Section |
Page |
Site Preparation Guide |
1 |
Site Preparation Guide |
1 |
Site Preparation Guide |
1 |
HP Integrity rx8620 Server |
1 |
Fourth Edition |
1 |
Manufacturing Part Number: A7026-96032 |
1 |
October 2006 |
1 |
Prined in the U.S.A. |
1 |
Prined in the U.S.A. |
1 |
© Copyright 2006 |
1 |
© Copyright 2006 |
1 |
Legal Notices |
2 |
Legal Notices |
2 |
The information in this document is subject to change without notice. |
2 |
Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limi... |
2 |
Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limi... |
2 |
Restricted Rights Legend. |
2 |
Restricted Rights Legend. |
2 |
HEWLETT-PACKARD COMPANY 3000 Hanover Street Palo Alto, California 94304 U.S.A. |
2 |
Copyright Notices. |
2 |
Copyright Notices. |
2 |
Reproduction, adaptation, or translation of this document without prior written permission is pro... |
2 |
Revision History |
2 |
Revision History |
2 |
First Edition |
2 |
First Edition |
2 |
Initial release, September 2003. Part number was A7026-96004. |
2 |
Second Edition |
2 |
Second Edition |
2 |
Minor updates, November 2003. |
2 |
Third Edition |
2 |
Third Edition |
2 |
Minor updates, May 2004. |
2 |
Fourth Edition |
2 |
Fourth Edition |
2 |
Updated system power requirements information in Chapter 1. October 2006. |
2 |
1 System Specifications |
9 |
1 System Specifications |
9 |
This chapter describes the basic system configuration and its physical specifications and require... |
9 |
This chapter describes the basic system configuration and its physical specifications and require... |
9 |
Dimensions and Weights |
10 |
Dimensions and Weights |
10 |
This section provides dimensions and weights of the server and server components. |
10 |
dimensions and weights |
10 |
cell board |
10 |
<TABLE> |
10 |
Table11 HP Integrity rx8620 Server Dimensions and Weights |
10 |
<TABLE HEADING> |
10 |
<TABLE ROW> |
10 |
Stand-alone |
10 |
Packaged |
10 |
<TABLE BODY> |
10 |
<TABLE ROW> |
10 |
Height - Inches (centimeters) |
10 |
29.55 (75.00) |
10 |
86.50 (219.70) |
10 |
<TABLE ROW> |
10 |
Width - Inches (centimeters) |
10 |
17.50 (44.50) |
10 |
40.00 (101.60) |
10 |
<TABLE ROW> |
10 |
Depth - Inches (centimeters) |
10 |
30.00 (76.20) |
10 |
48.00 (122.00) |
10 |
<TABLE ROW> |
10 |
Weight - Pounds (kilograms) |
10 |
368.00 (166.92) |
10 |
813.00 (368.77) |
10 |
Table12 |
10 |
Table12 |
10 |
<TABLE> |
10 |
Table12 HP Integrity rx8620 Server Component Weights |
10 |
<TABLE HEADING> |
10 |
<TABLE ROW> |
10 |
Quantity |
10 |
Description |
10 |
Weight (lb./kg.) |
10 |
<TABLE BODY> |
10 |
<TABLE ROW> |
10 |
1 |
10 |
1 |
10 |
Chassis |
10 |
Chassis |
10 |
131.00 (59.42) |
10 |
131.00 (59.42) |
10 |
<TABLE ROW> |
10 |
1 |
10 |
System backplane |
10 |
System backplane |
10 |
system backplane |
10 |
<TABLE ROW> |
10 |
1 |
10 |
PCI-X card cage assembly |
10 |
20.40 (9.25) |
10 |
<TABLE ROW> |
10 |
2 |
10 |
PCI-X power supply |
10 |
5.00 (2.27) each |
10 |
<TABLE ROW> |
10 |
6 |
10 |
Bulk power supply |
10 |
12.00 (5.44) each |
10 |
<TABLE ROW> |
10 |
1 |
10 |
Mass storage backplane |
10 |
Mass storage backplane |
10 |
backplane:mass storage |
10 |
<TABLE ROW> |
10 |
1 - 4 |
10 |
1 - 4 |
10 |
Cell board |
10 |
27.80 (12.61) each |
10 |
27.80 (12.61) each |
10 |
<TABLE ROW> |
10 |
1 - 4 |
10 |
1 - 4 |
10 |
Hard disk drive |
10 |
Hard disk drive |
10 |
1.60 (0.73) each |
10 |
1.60 (0.73) each |
10 |
<TABLE ROW> |
10 |
1 - 2 |
10 |
1 - 2 |
10 |
Removable media disk drive |
10 |
Removable media disk drive |
10 |
2.20 (1.00) each |
10 |
2.20 (1.00) each |
10 |
electrical specifications |
11 |
electrical specifications |
11 |
electrical specifications |
11 |
This section provides electrical specifications for the HP Integrity rx8620 Server. |
11 |
electrical specifications |
11 |
grounding |
11 |
grounding |
11 |
grounding |
11 |
The site building shall provide a safety ground and protective earth for each AC service entrance... |
11 |
Install a protective earthing (PE) conductor that is identical in size, insulation material, and ... |
11 |
circuit breaker |
11 |
circuit breaker |
11 |
circuit breaker |
11 |
The Marked Electrical for the HP Integrity rx8620 Server is 15 amps per line cord. The recommende... |
11 |
circuit breaker |
11 |
The HP Integrity rx8620 Server contains four C20 power receptacles located at the bottom rear bul... |
11 |
System |
11 |
System |
11 |
power cords |
11 |
power cords |
11 |
power cords |
11 |
Table13 |
11 |
Table13 |
11 |
<TABLE> |
11 |
Table13 Power Cords |
11 |
<TABLE HEADING> |
11 |
<TABLE ROW> |
11 |
Part Number |
11 |
Part Number |
11 |
Description |
11 |
Description |
11 |
Where Used |
11 |
Where Used |
11 |
<TABLE BODY> |
11 |
<TABLE ROW> |
11 |
8120-6895 |
11 |
8120-6895 |
11 |
Stripped end, 240 volt |
11 |
Stripped end, 240 volt |
11 |
International - Other |
11 |
International - Other |
11 |
<TABLE ROW> |
11 |
8120-6897 |
11 |
Male IEC309, 240 volt |
11 |
Male IEC309, 240 volt |
11 |
International |
11 |
International |
11 |
<TABLE ROW> |
11 |
8121-0070 |
11 |
8121-0070 |
11 |
Male GB-1002, 240 volt |
11 |
China |
11 |
<TABLE ROW> |
11 |
8120-6903 |
11 |
8120-6903 |
11 |
Male NEMA L6-20, 240 volt |
11 |
Male NEMA L6-20, 240 volt |
11 |
North America/Japan |
11 |
North America/Japan |
11 |
System Power Specifications |
12 |
System Power Specifications |
12 |
power requirements:component;component:power requirements |
12 |
power requirements:component;component:power requirements |
12 |
Table14 |
12 |
<TABLE> |
12 |
Table14 Power Requirements |
12 |
<TABLE HEADING> |
12 |
<TABLE ROW> |
12 |
Requirements |
12 |
Value |
12 |
Comments |
12 |
<TABLE BODY> |
12 |
<TABLE ROW> |
12 |
Nominal input voltage |
12 |
200–240 VAC |
12 |
<TABLE ROW> |
12 |
Minimum operating voltage |
12 |
Minimum operating voltage |
12 |
180 VAC |
12 |
180 VAC |
12 |
<TABLE ROW> |
12 |
Maximum operating voltage |
12 |
Maximum operating voltage |
12 |
269 VAC |
12 |
269 VAC |
12 |
<TABLE ROW> |
12 |
Frequency range (minimum - maximum) |
12 |
50/60 Hz |
12 |
<TABLE ROW> |
12 |
Number of phases |
12 |
1 |
12 |
<TABLE ROW> |
12 |
Rated line current |
12 |
Rated line current |
12 |
15 A |
12 |
15 A |
12 |
Per line cord |
12 |
Per line cord |
12 |
<TABLE ROW> |
12 |
Maximum inrush current |
12 |
54 A peak for 20 ms |
12 |
Per line cord |
12 |
<TABLE ROW> |
12 |
Dropout carry-through time at minimum line voltage |
12 |
Dropout carry-through time at minimum line voltage |
12 |
20 ms |
12 |
20 ms |
12 |
<TABLE ROW> |
12 |
Circuit breaker rating |
12 |
Circuit breaker rating |
12 |
20A |
12 |
20A |
12 |
Per line cord |
12 |
Per line cord |
12 |
<TABLE ROW> |
12 |
Power factor correction |
12 |
>0.98 >0.95 |
12 |
At all loads of 50%–100% of supply rating At all loads 0f 25%–50% of supply rating |
12 |
<TABLE ROW> |
12 |
Ground leakage current (mA) |
12 |
<3.0 (ma) |
12 |
Per line cord |
12 |
<TABLE> |
12 |
Table15 System Power Requirements |
12 |
<TABLE HEADING> |
12 |
<TABLE ROW> |
12 |
Power Required (50 - 60 Hz) |
12 |
Watts |
12 |
Watts |
12 |
VA |
12 |
Comments |
12 |
<TABLE BODY> |
12 |
<TABLE ROW> |
12 |
Maximum Theoretical Power |
12 |
5292 |
12 |
5292 |
12 |
5400 |
12 |
See #1 below |
12 |
<TABLE ROW> |
12 |
Marked Electrical Power |
12 |
Marked Electrical Power |
12 |
--- |
12 |
--- |
12 |
5400 |
12 |
5400 |
12 |
30A @ 180 VAC, see note #2 |
12 |
30A @ 180 VAC, see note #2 |
12 |
<TABLE ROW> |
12 |
Typical Maximum Power |
12 |
Typical Maximum Power |
12 |
3724 |
12 |
3724 |
12 |
3800 |
12 |
See note #3 |
12 |
See note #3 |
12 |
1. “Maximum theoretical power” is used to describe input power at the ac input. It is expressed... |
12 |
1. “Maximum theoretical power” is used to describe input power at the ac input. It is expressed... |
12 |
2. “Marked electrical power” is the input power measured at the ac input expressed in Volt-Amps... |
12 |
3. “Typical maximum power” is the input power measured at the ac input expressed in Watts and V... |
13 |
environmental specifications |
14 |
environmental specifications |
14 |
environmental specifications |
14 |
This section provides the environmental, power dissipation, noise emission, and air flow specific... |
14 |
temperature |
14 |
temperature |
14 |
temperature |
14 |
The cabinet is actively cooled using forced convection in a Class C1-modified environment. The re... |
14 |
operating environment |
14 |
operating environment |
14 |
operating environment |
14 |
The system is designed to run continuously and meet reliability goals in an ambient temperature o... |
14 |
cell board |
14 |
cell board |
14 |
Environmental Temperature Sensor |
14 |
To ensure that the system is operating within the published limits, the ambient operating tempera... |
14 |
Non-Operating Environment |
14 |
Non-Operating Environment |
14 |
The system is designed to withstand ambient temperatures between -40° C to 70° C under non-operat... |
14 |
cooling |
14 |
cooling |
14 |
cooling |
14 |
Internal Chassis Cooling |
14 |
Internal Chassis Cooling |
14 |
The cabinet incorporates front-to-back airflow across the system backplane. Nine 120-mm fans moun... |
14 |
system backplane |
14 |
backplane:system |
14 |
Each fan is controlled by a smart fan control board embedded in the fan module plastic housing. T... |
14 |
Bulk Power Supply Cooling |
14 |
Bulk Power Supply Cooling |
14 |
Cooling for the bulk power supplies (BPS) is provided by two 60-mm fans contained within each BPS... |
14 |
PCI/Mass Storage Section Cooling |
15 |
PCI/Mass Storage Section Cooling |
15 |
Six 92-mm fans located between the mass storage devices and the PCI card cage provide airflow thr... |
15 |
Standby Cooling |
15 |
Standby Cooling |
15 |
Several components within the chassis consume significant amounts of power while the system is in... |
15 |
Typical Power Dissipation and Cooling |
15 |
Typical Power Dissipation and Cooling |
15 |
Table16 |
15 |
Table16 |
15 |
<TABLE> |
15 |
Table16 Typical HP Integrity rx8620 Server Configurations |
15 |
<TABLE HEADING> |
15 |
<TABLE ROW> |
15 |
Cell Board |
15 |
Cell Board |
15 |
Memory per Cell Board |
15 |
Memory per Cell Board |
15 |
PCI Cards (assumes 10W each) |
15 |
DVDs |
15 |
Hard Disk Drives |
15 |
Core I/O |
15 |
Bulk Power Supplies |
15 |
Typical Power |
15 |
Typical Cooling |
15 |
<TABLE ROW> |
15 |
Qty |
15 |
Qty |
15 |
GBytes |
15 |
Qty |
15 |
Qty |
15 |
Qty |
15 |
Qty |
15 |
Qty |
15 |
Watts |
15 |
BTU/hour |
15 |
<TABLE BODY> |
15 |
<TABLE ROW> |
15 |
4 |
15 |
4 |
15 |
16 |
15 |
16 |
15 |
16 |
15 |
2 |
15 |
4 |
15 |
2 |
15 |
6 |
15 |
3800 |
15 |
12973 |
15 |
<TABLE ROW> |
15 |
4 |
15 |
4 |
15 |
8 |
15 |
8 |
15 |
16 |
15 |
2 |
15 |
4 |
15 |
2 |
15 |
6 |
15 |
3395 |
15 |
11591 |
15 |
<TABLE ROW> |
15 |
4 |
15 |
4 |
15 |
4 |
15 |
4 |
15 |
8 |
15 |
0 |
15 |
2 |
15 |
2 |
15 |
6 |
15 |
3177 |
15 |
10846 |
15 |
<TABLE ROW> |
15 |
2 |
15 |
16 |
15 |
16 |
15 |
16 |
15 |
16 |
15 |
2 |
15 |
2 |
15 |
4 |
15 |
4 |
15 |
2 |
15 |
2 |
15 |
4 |
15 |
4 |
15 |
2241 |
15 |
2241 |
15 |
7651 |
15 |
7651 |
15 |
<TABLE ROW> |
15 |
2 |
15 |
2 |
15 |
8 |
15 |
8 |
15 |
8 |
15 |
8 |
15 |
0 |
15 |
0 |
15 |
2 |
15 |
2 |
15 |
2 |
15 |
2 |
15 |
4 |
15 |
4 |
15 |
1936 |
15 |
1936 |
15 |
6610 |
15 |
6610 |
15 |
<TABLE ROW> |
15 |
2 |
15 |
2 |
15 |
4 |
15 |
4 |
15 |
8 |
15 |
8 |
15 |
0 |
15 |
0 |
15 |
2 |
15 |
2 |
15 |
2 |
15 |
2 |
15 |
4 |
15 |
4 |
15 |
1880 |
15 |
1880 |
15 |
6418 |
15 |
6418 |
15 |
<TABLE ROW> |
15 |
1 |
15 |
1 |
15 |
4 |
15 |
4 |
15 |
8 |
15 |
8 |
15 |
0 |
15 |
0 |
15 |
1 |
15 |
1 |
15 |
1 |
15 |
1 |
15 |
3 |
15 |
3 |
15 |
1228 |
15 |
1228 |
15 |
4192 |
15 |
4192 |
15 |
The air-conditioning data in |
15 |
• Watts x (0.860) = kcal/hour |
15 |
• Watts x (0.860) = kcal/hour |
15 |
• Watts x (3.414) = Btu/hour |
15 |
• BTU/hour divided by 12,000 = tons of refrigeration required |
15 |
NOTE When determining power requirements, you must consider any peripheral equipment that will be... |
15 |
NOTE When determining power requirements, you must consider any peripheral equipment that will be... |
15 |
Acoustic Noise Specification |
16 |
Acoustic Noise Specification |
16 |
The acoustic noise specification for the HP Integrity rx8620 Server is |
16 |
Air Flow |
16 |
Air Flow |
16 |
The recommended HP Integrity rx8620 Server cabinet air intake temperature is between 68° F and 77... |
16 |
Figure11 |
16 |
Figure11 |
16 |
Figure11 Airflow Diagram |
16 |
Figure11 Airflow Diagram |
16 |
air ducts:illustrated |
17 |
Power Distribution Unit |
17 |
The server may ship with a power distribution unit (PDU). There are two 60A PDUs available for th... |
17 |
The 60A NEMA |
17 |
The 60A IEC PDU has four 16A circuit breakers and is constructed for International use. Each of t... |
17 |
Each PDU is 3U high and is rack-mounted in the server cabinet. |
17 |
Documentation for installation will accompany the PDU. The documentation can also be found at the... |
17 |
The PDU installation kit contains the: |
17 |
• PDU with cord and plug |
17 |
• PDU with cord and plug |
17 |
• Mounting hardware |
17 |
• Installation instructions |
17 |
Weight |
18 |
Weight |
18 |
To determine overall weight, follow the example in |
18 |
<TABLE> |
18 |
Table17 Example Weight Summary |
18 |
<TABLE HEADING> |
18 |
<TABLE ROW> |
18 |
Component |
18 |
Quantity |
18 |
Multiply By |
18 |
Weight (kg) |
18 |
<TABLE BODY> |
18 |
<TABLE ROW> |
18 |
Cell Board |
18 |
4 |
18 |
27.8 lb. (12.16) |
18 |
107.20 lb. (48.64) |
18 |
<TABLE ROW> |
18 |
PCI Card (varies - used sample value) |
18 |
4 |
18 |
0.34 lb. (0.153) |
18 |
1.36 lb. (0.61) |
18 |
<TABLE ROW> |
18 |
Power Supply (BPS) |
18 |
Power Supply (BPS) |
18 |
6 |
18 |
12 lb. (5.44) |
18 |
12 lb. (5.44) |
18 |
72 lb. (32.66) |
18 |
72 lb. (32.66) |
18 |
<TABLE ROW> |
18 |
DVD Drive |
18 |
DVD Drive |
18 |
2 |
18 |
2 |
18 |
2.2 lb. (1.0) |
18 |
4.4 lb. (2.0) |
18 |
4.4 lb. (2.0) |
18 |
<TABLE ROW> |
18 |
Hard Disk Drive |
18 |
Hard Disk Drive |
18 |
4 |
18 |
4 |
18 |
1.6 lb. (0.73) |
18 |
6.40 lb. (2.90) |
18 |
6.40 lb. (2.90) |
18 |
<TABLE ROW> |
18 |
Chassis with skins and front bezel cover |
18 |
1 |
18 |
131 lb. (59.42) |
18 |
131 lb. (59.42) |
18 |
<TABLE ROW> |
18 |
Total weight |
18 |
322.36 lb. (146.22) |
18 |
<TABLE> |
18 |
Table18 Weight Summary |
18 |
<TABLE HEADING> |
18 |
<TABLE ROW> |
18 |
Component |
18 |
Quantity |
18 |
Multiply By |
18 |
Weight (kg) |
18 |
<TABLE BODY> |
18 |
<TABLE ROW> |
18 |
Cell Board |
18 |
27.8 lb. (12.16) |
18 |
lb. () |
18 |
<TABLE ROW> |
18 |
PCI Card |
18 |
varies lb. (varies) |
18 |
lb. () |
18 |
<TABLE ROW> |
18 |
Power Supply (BPS) |
18 |
Power Supply (BPS) |
18 |
12 lb. (5.44) |
18 |
12 lb. (5.44) |
18 |
lb. () |
18 |
lb. () |
18 |
<TABLE ROW> |
18 |
DVD Drive |
18 |
DVD Drive |
18 |
2.2 lb. (1.0) |
18 |
2.2 lb. (1.0) |
18 |
lb. () |
18 |
lb. () |
18 |
<TABLE ROW> |
18 |
Hard Disk Drive |
18 |
Hard Disk Drive |
18 |
1.6 lb. (0.73) |
18 |
1.6 lb. (0.73) |
18 |
lb. () |
18 |
lb. () |
18 |
<TABLE ROW> |
18 |
Chassis with skins and front bezel cover |
18 |
131 lb. (59.42) |
18 |
lb. () |
18 |
<TABLE ROW> |
18 |
Total weight |
18 |
lb. () |
18 |
2 General Site Preparation Guidelines |
19 |
2 General Site Preparation Guidelines |
19 |
The following information provides general principles and practices to consider before the instal... |
19 |
The following information provides general principles and practices to consider before the instal... |
19 |
Electrical Factors |
20 |
Electrical Factors |
20 |
NOTE Electrical practices and suggestions in this guide are based on North American practices. Fo... |
20 |
NOTE Electrical practices and suggestions in this guide are based on North American practices. Fo... |
20 |
An example would be the recommendation that the protective earthing (PE) conductor be green with ... |
20 |
Local authority has jurisdiction (LAHJ) and should make the final decision regarding adherence to... |
20 |
Proper design and installation of a server power distribution system requires specialized skills.... |
20 |
In general, a well-designed power distribution system exceeds the requirements of most electrical... |
20 |
A detailed discussion of power distribution system design and installation is beyond the scope of... |
20 |
The electrical factors discussed in this section are: |
20 |
• Computer room safety |
20 |
• Computer room safety |
20 |
• Computer room safety |
20 |
• Power Consumption |
20 |
• Power Consumption |
20 |
• Electrical load requirements (circuit breaker sizing) |
20 |
• Electrical load requirements (circuit breaker sizing) |
20 |
• Power quality |
20 |
• Power quality |
20 |
• Distribution hardware |
20 |
• Distribution hardware |
20 |
• System installation guidelines |
20 |
• System installation guidelines |
20 |
Computer Room Safety |
20 |
Computer Room Safety |
20 |
Inside the computer room, fire protection and adequate lighting (for equipment servicing) are imp... |
20 |
computer room safety:fire protection |
20 |
Fire Protection |
20 |
Fire Protection |
20 |
The National Fire Protection Association’s Standard for the Protection of Electronic Computer Dat... |
20 |
electrical and environmental guidelines:computer room safety:fire protection |
20 |
fire protection |
20 |
Most computer room installations are equipped with the following fire protection devices: |
20 |
• Smoke detectors |
20 |
• Smoke detectors |
20 |
• Smoke detectors |
20 |
• Fire and temperature alarms |
20 |
• Fire and temperature alarms |
20 |
• Fire extinguishing system |
20 |
• Fire extinguishing system |
20 |
Additional safety devices are: |
20 |
• Circuit breakers |
21 |
• Circuit breakers |
21 |
• Circuit breakers |
21 |
• An emergency power cutoff switch |
21 |
• An emergency power cutoff switch |
21 |
• Devices specific to the geographic location (such as earthquake protection) |
21 |
• Devices specific to the geographic location (such as earthquake protection) |
21 |
Lighting Requirements for Equipment Servicing |
21 |
Lighting Requirements for Equipment Servicing |
21 |
Adequate lighting and utility outlets in a computer room reduce the possibility of accidents duri... |
21 |
electrical and environmental guidelines:lighting requirements |
21 |
For example, adequate lighting reduces the chances of connector damage when cables are installed ... |
21 |
The minimum recommended illumination level is 70-foot candles (756 lumens per square meter) when ... |
21 |
Working Space for Server Access |
21 |
Working Space for Server Access |
21 |
The recommended working space for performing maintenance on the server is three feet. The work sp... |
21 |
Power Consumption |
21 |
Power Consumption |
21 |
When determining power requirements, you must consider any peripheral equipment that will be inst... |
21 |
Electrical Load Requirements (Circuit Breaker Sizing) |
21 |
Electrical Load Requirements (Circuit Breaker Sizing) |
21 |
NOTE LAHJ and should make the final decision regarding adherence to country-specific electrical c... |
21 |
NOTE LAHJ and should make the final decision regarding adherence to country-specific electrical c... |
21 |
lighting requirements |
21 |
lighting requirements |
21 |
• To avoid nuisance tripping from load shifts or power transients, circuit protection devices sho... |
21 |
• To avoid nuisance tripping from load shifts or power transients, circuit protection devices sho... |
21 |
• To avoid nuisance tripping from load shifts or power transients, circuit protection devices sho... |
21 |
• Safety agencies derate most power connectors to 80% of their RMS current ratings. |
21 |
• Safety agencies derate most power connectors to 80% of their RMS current ratings. |
21 |
Power Quality |
21 |
Power Quality |
21 |
The server is designed to operate over a wide range of voltages and frequencies. The server is te... |
21 |
electrical and environmental guidelines:power quality |
22 |
power quality |
22 |
Sources of Voltage Fluctuations |
22 |
Sources of Voltage Fluctuations |
22 |
Voltage fluctuations, sometimes called glitches, affect the quality of electrical power. Common s... |
22 |
sources of electrical disturbances |
22 |
electrical and environmental guidelines:power quality:sources of electrical disturbances |
22 |
• Fluctuations occurring within the facility’s distribution system |
22 |
• Fluctuations occurring within the facility’s distribution system |
22 |
• Fluctuations occurring within the facility’s distribution system |
22 |
• Utility service low-voltage conditions (such as sags or brownouts) |
22 |
• Utility service low-voltage conditions (such as sags or brownouts) |
22 |
• Wide and rapid variations in input voltage levels |
22 |
• Wide and rapid variations in input voltage levels |
22 |
• Wide and rapid variations in input power frequency |
22 |
• Wide and rapid variations in input power frequency |
22 |
• Electrical storms |
22 |
• Electrical storms |
22 |
• Large inductive sources (such as motors and welders) |
22 |
• Large inductive sources (such as motors and welders) |
22 |
• Faults in the distribution system wiring (such as loose connections) |
22 |
• Faults in the distribution system wiring (such as loose connections) |
22 |
• Microwave, radar, radio, or cell phone transmissions |
22 |
• Microwave, radar, radio, or cell phone transmissions |
22 |
Power System Protection |
23 |
Power System Protection |
23 |
The server can be protected from the sources of many of these electrical disturbances by using: |
23 |
power system protection |
23 |
computer system:power system protection |
23 |
• A dedicated power distribution system |
23 |
• A dedicated power distribution system |
23 |
• A dedicated power distribution system |
23 |
• Power conditioning equipment |
23 |
• Power conditioning equipment |
23 |
• Over- and under-voltage detection and protection circuits |
23 |
• Over- and under-voltage detection and protection circuits |
23 |
• Screening to cancel out the effects of undesirable transmissions |
23 |
• Screening to cancel out the effects of undesirable transmissions |
23 |
• Lightning arresters on power cables to protect equipment against electrical storms |
23 |
• Lightning arresters on power cables to protect equipment against electrical storms |
23 |
Precautions have been taken during power distribution system design to provide immunity to power ... |
23 |
• Dedicated power source—Isolates a server power distribution system from other circuits in the f... |
23 |
• Dedicated power source—Isolates a server power distribution system from other circuits in the f... |
23 |
• Dedicated power source—Isolates a server power distribution system from other circuits in the f... |
23 |
• Missing-phase and low-voltage detectors—Shuts equipment down automatically when a severe power ... |
23 |
• Missing-phase and low-voltage detectors—Shuts equipment down automatically when a severe power ... |
23 |
• Online uninterruptible power supply (UPS)—Keeps input voltage to devices constant and should be... |
23 |
• Online uninterruptible power supply (UPS)—Keeps input voltage to devices constant and should be... |
23 |
Distribution Hardware |
23 |
Distribution Hardware |
23 |
This section describes wire selection and the types of raceways (electrical conduits) used in the... |
23 |
power distribution:hardware |
23 |
Wire Selection |
23 |
Wire Selection |
23 |
Use copper conductors instead of aluminum, as aluminum’s coefficient of expansion differs signifi... |
23 |
Raceway Systems (Electrical Conduits) (LAHJ) |
23 |
Raceway Systems (Electrical Conduits) (LAHJ) |
23 |
Raceways (electrical conduits) form part of the protective ground path for personnel and equipmen... |
23 |
Any of the following types may be used: |
23 |
• Electrical metallic tubing (EMT) thin-wall tubing |
23 |
• Electrical metallic tubing (EMT) thin-wall tubing |
23 |
• Rigid (metal) conduit |
23 |
• Liquidtight with RFI shield grounded (most commonly used under raised floors) |
23 |
Building Distribution |
23 |
Building Distribution |
23 |
All building feeders and branch circuitry should be in rigid metallic conduit with proper connect... |
23 |
Grounding Systems |
24 |
Grounding Systems |
24 |
IT Power System |
24 |
This product has not been evaluated for connection to an IT power system (an AC distribution syst... |
24 |
A server requires two methods of grounding: |
24 |
electrical and environmental guidelines:grounding systems |
24 |
grounding systems |
24 |
• Power distribution safety grounding |
24 |
• Power distribution safety grounding |
24 |
• Power distribution safety grounding |
24 |
• High-frequency intercabinet grounding |
24 |
• High-frequency intercabinet grounding |
24 |
Power Distribution Safety Grounding (LAHJ) |
24 |
Power Distribution Safety Grounding (LAHJ) |
24 |
The power distribution safety grounding system consists of connecting various points in the power... |
24 |
power distribution:safety grounding |
24 |
electrical and environmental guidelines:power distribution safety grounding |
24 |
Power distribution systems consist of several parts. HP recommends that these parts be solidly in... |
24 |
Main Building Electrical Ground |
24 |
Main Building Electrical Ground |
24 |
The main electrical service entrance equipment should have an earth ground connection, as require... |
24 |
electrical and environmental guidelines:main building electrical ground |
24 |
Electrical Conduit Ground |
24 |
All electrical conduits should be made of rigid metallic conduit that is securely connected toget... |
24 |
grounding systems:electrical conduit ground |
24 |
Power Panel Ground |
24 |
Each power panel should be grounded to the electrical service entrance with green (green/yellow) ... |
24 |
electrical and environmental guidelines:power panel grounds |
24 |
NOTE The green wire ground conductor mentioned above might be a black wire marked with green tape... |
24 |
NOTE The green wire ground conductor mentioned above might be a black wire marked with green tape... |
24 |
Computer Safety Ground |
24 |
Computer Safety Ground |
24 |
Ground all computer equipment with the green (green/yellow) wire included in the branch circuitry... |
24 |
electrical and environmental guidelines:main building electrical ground |
24 |
Dual Power Source Grounding |
24 |
When dual power sources are utilized, strong consideration should be given to measure voltage pot... |
24 |
Dual power sources might originate from two different transformers or two different UPS devices. ... |
24 |
Cabinet Performance Grounding (High-Frequency Ground) |
25 |
Cabinet Performance Grounding (High-Frequency Ground) |
25 |
Signal interconnects between system cabinets require high-frequency ground return paths. Connect ... |
25 |
NOTE In some cases, power distribution system green (green/yellow) wire ground conductors are too... |
25 |
NOTE In some cases, power distribution system green (green/yellow) wire ground conductors are too... |
25 |
Power panels located in close proximity to the computer equipment should also be connected to the... |
25 |
Raised Floor “High-Frequency Noise” Grounding |
26 |
Raised Floor “High-Frequency Noise” Grounding |
26 |
If a raised floor system is used, install a complete signal reference grid (SRG) for maintaining ... |
26 |
NOTE Regardless of the grounding connection method used, the raised floor should be grounded as a... |
26 |
NOTE Regardless of the grounding connection method used, the raised floor should be grounded as a... |
26 |
HP recommends the following approaches: |
26 |
• Excellent—Add a grounding grid to the subfloor. The grounding grid should be made of copper str... |
26 |
• Excellent—Add a grounding grid to the subfloor. The grounding grid should be made of copper str... |
26 |
• Excellent—Add a grounding grid to the subfloor. The grounding grid should be made of copper str... |
26 |
Connect each pedestal to four strips using 1/4-in (6.0-mm) bolts tightened to the manufacturer’s ... |
26 |
• Better—A grounded #6 AWG minimum copper wire grid mechanically clamped to floor pedestals and p... |
26 |
• Good—Use the raised floor structure as a ground grid. In this case, the floor must be designed ... |
26 |
• Good—Use the raised floor structure as a ground grid. In this case, the floor must be designed ... |
26 |
Figure21 Raised Floor Metal Strip Ground System |
27 |
Figure21 Raised Floor Metal Strip Ground System |
27 |
raised floor:ground system, illustrated |
28 |
Equipment Grounding Implementation Details |
28 |
Connect all HP equipment cabinets to the site ground grid as follows: |
28 |
Step 1. Attach one end of each ground strap to the applicable cabinet ground lug. |
28 |
Step 1. Attach one end of each ground strap to the applicable cabinet ground lug. |
28 |
Step 2. Attach the other end to the nearest pedestal base (raised floor) or cable trough ground... |
28 |
Step 3. Check that the braid contact on each end of the ground strap consists of a terminal and... |
28 |
Step 4. Check that the braid contact connection points are free of paint or other insulating ma... |
28 |
System Installation Guidelines |
28 |
System Installation Guidelines |
28 |
This section contains information about installation practices. Some common pitfalls are highligh... |
28 |
system installation guidelines |
28 |
electrical and environmental guidelines:system installation guidelines |
28 |
NOTE In domestic installations, the proper receptacles should be installed before the arrival of ... |
28 |
NOTE In domestic installations, the proper receptacles should be installed before the arrival of ... |
28 |
Wiring Connections |
28 |
Wiring Connections |
28 |
Expansion and contraction rates vary among different metals. Therefore, the integrity of an elect... |
28 |
wiring:connections |
28 |
system installation guidelines:wiring connections |
28 |
CAUTION Connections that are too loose or tight can have a high impedance that cause serious prob... |
28 |
CAUTION Connections that are too loose or tight can have a high impedance that cause serious prob... |
28 |
Wiring connections must be properly torqued. Many equipment manufacturers specify the proper conn... |
28 |
Ground connections must only be made on a conductive, non-painted surface. When equipment vibrati... |
28 |
Data Communications Cables |
28 |
Data Communications Cables |
28 |
Power transformers create high-energy fields in the form of electromagnetic interference (EMI). H... |
28 |
data communications cables |
29 |
Environmental Elements |
29 |
The following environmental elements can affect a server installation: |
29 |
computer system:environmental elements |
29 |
environmental elements |
29 |
• Computer room preparation |
29 |
• Computer room preparation |
29 |
• Computer room preparation |
29 |
• Cooling requirements |
29 |
• Cooling requirements |
29 |
• Humidity level |
29 |
• Humidity level |
29 |
• Air-conditioning ducts |
29 |
• Air-conditioning ducts |
29 |
• Dust and pollution control |
29 |
• Dust and pollution control |
29 |
• ESD prevention |
29 |
• ESD prevention |
29 |
• Acoustics (noise reduction) |
29 |
• Acoustics (noise reduction) |
29 |
Computer Room Preparation |
29 |
Computer Room Preparation |
29 |
The following guidelines are recommended when preparing a computer room for a server: |
29 |
environmental elements:computer room considerations |
29 |
• Locate the computer room away from the exterior walls of the building to avoid the heat gain fr... |
29 |
• Locate the computer room away from the exterior walls of the building to avoid the heat gain fr... |
29 |
• Locate the computer room away from the exterior walls of the building to avoid the heat gain fr... |
29 |
• When exterior windows are unavoidable, use windows that are double- or triple-glazed and shaded... |
29 |
• When exterior windows are unavoidable, use windows that are double- or triple-glazed and shaded... |
29 |
• Maintain the computer room at a positive pressure relative to surrounding spaces. |
29 |
• Maintain the computer room at a positive pressure relative to surrounding spaces. |
29 |
• Use a vapor barrier installed around the entire computer room envelope to restrain moisture mig... |
29 |
• Use a vapor barrier installed around the entire computer room envelope to restrain moisture mig... |
29 |
• Caulk and vapor seal all pipes and cables that penetrate the envelope. |
29 |
• Caulk and vapor seal all pipes and cables that penetrate the envelope. |
29 |
• Use at least a 12-inch raised floor system for minimum favorable room air distribution system (... |
29 |
• Use at least a 12-inch raised floor system for minimum favorable room air distribution system (... |
29 |
• Ensure a minimum clearance of 12 in. between the top of the server cabinet and the ceiling to a... |
29 |
• Ensure a minimum clearance of 12 in. between the top of the server cabinet and the ceiling to a... |
29 |
• Allow 18 in. (or local code minimum clearance) from the top of the server cabinet to the fire s... |
29 |
Cooling Requirements |
29 |
Cooling Requirements |
29 |
Air-conditioning equipment requirements and recommendations are described in the following sections. |
29 |
cooling requirements |
29 |
environmental elements:cooling requirements |
29 |
Basic Air-Conditioning Equipment Requirements |
29 |
Basic Air-Conditioning Equipment Requirements |
29 |
The cooling capacity of the installed air-conditioning equipment for the computer room should be ... |
29 |
air-conditioning:requirements |
29 |
environmental elements:air-conditioning equipment requirements |
29 |
• Air filtration |
29 |
• Air filtration |
29 |
• Air filtration |
29 |
• Cooling or dehumidification |
29 |
• Cooling or dehumidification |
29 |
• Humidification |
29 |
• Humidification |
29 |
• Reheating |
29 |
• Reheating |
29 |
• Air distribution |
30 |
• Air distribution |
30 |
• System controls adequate to maintain the computer room within specified operating ranges. |
30 |
• System controls adequate to maintain the computer room within specified operating ranges. |
30 |
Lighting and personnel must also be included. For example, a person dissipates about 450 BTUs per... |
30 |
At altitudes above 10,000 feet (3048 m), the lower air density reduces the cooling capability of ... |
30 |
Air-Conditioning System Guidelines |
30 |
Air-Conditioning System Guidelines |
30 |
The following guidelines are recommended when designing an air-conditioning system and selecting ... |
30 |
environmental elements:air-conditioning recommendations |
30 |
• The computer room air-conditioning system should be capable of operating 24 hours a day, 365 da... |
30 |
• The computer room air-conditioning system should be capable of operating 24 hours a day, 365 da... |
30 |
• The computer room air-conditioning system should be capable of operating 24 hours a day, 365 da... |
30 |
• Consider the long-term value of server availability, redundant air-conditioning equipment, or c... |
30 |
• Consider the long-term value of server availability, redundant air-conditioning equipment, or c... |
30 |
• The system should be capable of handling any future server expansion. |
30 |
• The system should be capable of handling any future server expansion. |
30 |
• Air-conditioning equipment air filters should have a minimum rating of 45% (based on “ASHRAE St... |
30 |
• Air-conditioning equipment air filters should have a minimum rating of 45% (based on “ASHRAE St... |
30 |
• Introduce only enough outside air into the system to meet building code requirements (for human... |
30 |
• Introduce only enough outside air into the system to meet building code requirements (for human... |
30 |
Air-Conditioning System Types |
30 |
Air-Conditioning System Types |
30 |
The following three air-conditioning system types are listed in order of preference: |
30 |
air-conditioning:system recommendations |
30 |
• Complete self-contained package units with remote condensers. These systems are available with ... |
30 |
• Complete self-contained package units with remote condensers. These systems are available with ... |
30 |
• Complete self-contained package units with remote condensers. These systems are available with ... |
30 |
• Chilled water package unit with remote chilled water plant. These systems are available with up... |
30 |
• Chilled water package unit with remote chilled water plant. These systems are available with up... |
30 |
• Central station air-handling units with remote refrigeration equipment. These systems are usual... |
30 |
• Central station air-handling units with remote refrigeration equipment. These systems are usual... |
30 |
Basic Air-Distribution Systems |
30 |
Basic Air-Distribution Systems |
30 |
A basic air-distribution system includes supply air and return air. |
30 |
basic air-distribution systems |
30 |
electrical and environmental guidelines:air-distribution system |
30 |
environmental elements:air-distribution systems |
30 |
An air-distribution system should be zoned to deliver an adequate amount of supply air to the coo... |
30 |
• Ceiling supply system—From 55° F (12.8° C) to 60° F (15.6° C) |
30 |
• Ceiling supply system—From 55° F (12.8° C) to 60° F (15.6° C) |
30 |
• Ceiling supply system—From 55° F (12.8° C) to 60° F (15.6° C) |
30 |
• Floor supply system—At least 60° F (15.6° C) |
30 |
• Floor supply system—At least 60° F (15.6° C) |
30 |
If a ceiling plenum return air system or a ducted ceiling return air system is used, the return a... |
30 |
The following three types of air distribution systems are listed in order of recommendation: |
30 |
air-distribution system:room space return air |
30 |
• Under floor air distribution system—Down flow air-conditioning equipment located on the raised ... |
30 |
• Under floor air distribution system—Down flow air-conditioning equipment located on the raised ... |
30 |
• Under floor air distribution system—Down flow air-conditioning equipment located on the raised ... |
30 |
Return air from an under floor air-distribution system can be ducted return air (DRA) above the c... |
31 |
Perforated floor panels (available from the raised floor manufacturer) should be located around t... |
31 |
• Ceiling plenum air distribution system—Supply air is ducted into the ceiling plenum from upflow... |
31 |
• Ceiling plenum air distribution system—Supply air is ducted into the ceiling plenum from upflow... |
31 |
The ceiling construction should resist air leakage. Place perforated ceiling panels (with down di... |
31 |
Return air should be ducted back to the air-conditioning equipment though the return air duct abo... |
31 |
• Above ceiling ducted air-distribution system—Supply air is ducted into a ceiling diffuser syste... |
31 |
• Above ceiling ducted air-distribution system—Supply air is ducted into a ceiling diffuser syste... |
31 |
Return air from an above ceiling ducted air-distribution system can be ducted return air (DRA) ab... |
31 |
Adjust the supply air diffuser system grilles to direct the cooling air downward around the front... |
31 |
Air-Conditioning System Installation |
31 |
Air-Conditioning System Installation |
31 |
All air-conditioning equipment, materials, and installation must comply with any applicable const... |
31 |
Air-Conditioning Ducts |
31 |
Air-Conditioning Ducts |
31 |
Use separate computer room air-conditioning duct work. If it is not separate from the rest of the... |
31 |
air-conditioning:ducts |
31 |
Humidity Level |
31 |
Maintain proper humidity levels at 40 to 55% relative humidity (RH). High humidity causes galvani... |
31 |
humidity level |
31 |
environmental elements:humidity level |
31 |
CAUTION Low humidity contributes to undesirably high levels of electrostatic charges. This increa... |
31 |
CAUTION Low humidity contributes to undesirably high levels of electrostatic charges. This increa... |
31 |
Low humidity levels are often the result of the facility heating system and occur during the cold... |
31 |
Dust and Pollution Control |
31 |
Dust and Pollution Control |
31 |
Computer equipment can be adversely affected by dust and microscopic particles in the site enviro... |
31 |
environmental elements:dust and pollution control |
32 |
electrical and environmental guidelines:dust and pollution control |
32 |
Specifically, disk drives, tape drives, and some other mechanical devices can have bearing failur... |
32 |
Smaller particles can pass though some filters and, over time, cause problems in mechanical parts... |
32 |
Other sources of dust, metallic, conductive, abrasive, and microscopic particles can be present. ... |
32 |
• Subfloor shedding |
32 |
• Subfloor shedding |
32 |
• Raised-floor shedding |
32 |
• Ceiling-tile shedding |
32 |
These particulates are not always visible to the naked eye. A good check to determine their possi... |
32 |
The computer room should be kept clean. The following guidelines are recommended: |
32 |
• Smoking—Establish a no-smoking policy. Cigarette smoke particles are eight times larger than th... |
32 |
• Smoking—Establish a no-smoking policy. Cigarette smoke particles are eight times larger than th... |
32 |
• Smoking—Establish a no-smoking policy. Cigarette smoke particles are eight times larger than th... |
32 |
• Printer—Locate printers and paper products in a separate room to eliminate paper particulate pr... |
32 |
• Printer—Locate printers and paper products in a separate room to eliminate paper particulate pr... |
32 |
• Eating or drinking—Establish a no-eating or drinking policy. Spilled liquids can cause short ci... |
32 |
• Eating or drinking—Establish a no-eating or drinking policy. Spilled liquids can cause short ci... |
32 |
• Tile floors—Use a dust-absorbent cloth mop rather than a dry mop to clean tile floors. |
32 |
• Tile floors—Use a dust-absorbent cloth mop rather than a dry mop to clean tile floors. |
32 |
Special precautions are necessary if the computer room is near a source of air pollution. Some ai... |
32 |
Metallic Particulate Contamination |
32 |
Metallic Particulate Contamination |
32 |
Metallic particulates can be especially harmful around electronic equipment. This type of contami... |
32 |
Over time, very fine whiskers of pure metal can form on electroplated zinc, cadmium, or tin surfa... |
32 |
Although this problem is relatively rare, it can be an issue within your computer room. Since met... |
32 |
ESD Prevention |
33 |
ESD Prevention |
33 |
Static charges (voltage levels) occur when objects are separated or rubbed together. The voltage ... |
33 |
environmental elements:electrostatic discharge:prevention |
33 |
• Types of materials |
33 |
• Types of materials |
33 |
• Types of materials |
33 |
• Relative humidity |
33 |
• Relative humidity |
33 |
• Rate of change or separation |
33 |
• Rate of change or separation |
33 |
<TABLE> |
33 |
Table21 Effect of Humidity on ESD Charge Levels |
33 |
<TABLE HEADING> |
33 |
<TABLE ROW> |
33 |
Personnel Activity |
33 |
Humidityand Charge Levels (voltages) |
33 |
<TABLE ROW> |
33 |
26% |
33 |
32% |
33 |
40% |
33 |
50% |
33 |
<TABLE ROW> |
33 |
Person walking across a linoleum floor |
33 |
6,150 V |
33 |
5,750 V |
33 |
4,625 V |
33 |
3,700 V |
33 |
<TABLE BODY> |
33 |
<TABLE ROW> |
33 |
Person walking across a carpeted floor |
33 |
18,450 V |
33 |
17,250 V |
33 |
13,875 V |
33 |
11,100 V |
33 |
<TABLE ROW> |
33 |
Person getting up from a plastic chair |
33 |
24,600 V |
33 |
23,000 V |
33 |
18,500 V |
33 |
14,800 V |
33 |
Static Protection Measures |
33 |
Static Protection Measures |
33 |
Follow these precautions to minimize possible ESD-induced failures in the computer room: |
33 |
environmental elements:static protection measures |
33 |
• Maintain recommended humidity level and airflow rates in the computer room. |
33 |
• Maintain recommended humidity level and airflow rates in the computer room. |
33 |
• Maintain recommended humidity level and airflow rates in the computer room. |
33 |
• Install conductive flooring (conductive adhesive must be used when laying tiles). |
33 |
• Install conductive flooring (conductive adhesive must be used when laying tiles). |
33 |
• Use conductive wax if waxed floors are necessary. |
33 |
• Use conductive wax if waxed floors are necessary. |
33 |
• Ensure that all equipment and flooring are properly grounded and are at the same ground potential. |
33 |
• Ensure that all equipment and flooring are properly grounded and are at the same ground potential. |
33 |
• Use conductive tables and chairs. |
33 |
• Use conductive tables and chairs. |
33 |
• Use a grounded wrist strap (or other grounding method) when handling circuit boards. |
33 |
• Use a grounded wrist strap (or other grounding method) when handling circuit boards. |
33 |
• Store spare electronic modules in antistatic containers. |
33 |
• Store spare electronic modules in antistatic containers. |
33 |
Acoustics |
34 |
Acoustics |
34 |
Computer equipment and air-conditioning blowers cause computer rooms to be noisy. Ambient noise l... |
34 |
environmental elements:acoustics |
34 |
• Dropped ceiling—Cover with a commercial grade of fire-resistant, acoustic-rated, fiberglass cei... |
34 |
• Dropped ceiling—Cover with a commercial grade of fire-resistant, acoustic-rated, fiberglass cei... |
34 |
• Dropped ceiling—Cover with a commercial grade of fire-resistant, acoustic-rated, fiberglass cei... |
34 |
• Sound deadening—Cover the walls with curtains or other sound deadening material. |
34 |
• Sound deadening—Cover the walls with curtains or other sound deadening material. |
34 |
• Removable partitions—Use foam rubber models for most effectiveness. |
34 |
• Removable partitions—Use foam rubber models for most effectiveness. |
34 |
Facility Characteristics |
35 |
Facility Characteristics |
35 |
This section contains information about facility characteristics that must be considered for the ... |
35 |
facility characteristics |
35 |
facility guidelines:characteristics |
35 |
• Floor loading |
35 |
• Floor loading |
35 |
• Floor loading |
35 |
• Windows |
35 |
• Windows |
35 |
• Altitude effects |
35 |
• Altitude effects |
35 |
Floor Loading |
35 |
Floor Loading |
35 |
The computer room floor must be able to support the total weight of the installed server as well ... |
35 |
Floor loading is usually not an issue in nonraised floor installations. The information presented... |
35 |
NOTE An appropriate floor system consultant should verify any floor system under consideration fo... |
35 |
NOTE An appropriate floor system consultant should verify any floor system under consideration fo... |
35 |
Raised Floor Loading |
35 |
Raised Floor Loading |
35 |
Raised floor loading is a function of the manufacturer’s load specification and the positioning o... |
35 |
floor loading:raised floor |
35 |
The following guidelines are recommended: |
35 |
• Because many raised floor systems do not have grid stringers between floor stands, the lateral ... |
35 |
• Because many raised floor systems do not have grid stringers between floor stands, the lateral ... |
35 |
• Because many raised floor systems do not have grid stringers between floor stands, the lateral ... |
35 |
• Larger floor grids (bigger panels) are generally rated for lighter loads. |
35 |
• Larger floor grids (bigger panels) are generally rated for lighter loads. |
35 |
CAUTION Do not position or install any equipment cabinets on the raised floor system until you ha... |
35 |
CAUTION Do not position or install any equipment cabinets on the raised floor system until you ha... |
35 |
Floor Loading Terms |
35 |
Floor Loading Terms |
35 |
. |
35 |
<TABLE> |
35 |
Table22 Floor Loading Term Definitions |
35 |
<TABLE HEADING> |
35 |
<TABLE ROW> |
35 |
Term |
35 |
Definition |
35 |
<TABLE BODY> |
35 |
<TABLE ROW> |
35 |
Dead load |
35 |
The weight of the raised panel floor system, including the understructure. Expressed in lb/ft2 (k... |
35 |
<TABLE ROW> |
35 |
Live load |
35 |
The load that the floor system can safely support. Expressed in lb/ft2 (kg/m2). |
35 |
<TABLE ROW> |
36 |
Concentrated load |
36 |
The load that a floor panel can support on a 1-in2 (6.45-cm2) area at the panels weakest point (t... |
36 |
<TABLE ROW> |
36 |
Ultimate load |
36 |
The maximum load (per floor panel) that the floor system can support without failure. Failure exp... |
36 |
<TABLE ROW> |
36 |
Rolling load |
36 |
The load a floor panel can support (without failure) when a wheel of specified diameter and width... |
36 |
<TABLE ROW> |
36 |
Average floor load |
36 |
Computed by dividing total equipment weight by the area of its footprint. This value is expressed... |
36 |
Average Floor Loading |
36 |
Average Floor Loading |
36 |
The average floor load value is not appropriate for addressing raised floor ratings at the floor ... |
36 |
Typical Raised Floor Site |
36 |
Typical Raised Floor Site |
36 |
This section contains an example of a computer room raised floor system that is satisfactory for ... |
36 |
facility guidelines:typical raised floor site |
36 |
Based on specific information provided by HP, Tate Access Floors has approved its Series 800 all-... |
36 |
In the event that the flooring is being replaced or a new floor is being installed, Tate Access F... |
36 |
NOTE If the specific floor being evaluated or considered is other than a Tate Series 800 floor, t... |
36 |
NOTE If the specific floor being evaluated or considered is other than a Tate Series 800 floor, t... |
36 |
The following table lists specifications for the Tate Access Floors Series 800 raised floor system. |
36 |
<TABLE> |
36 |
Table23 Typical Raised Floor Specifications |
36 |
<TABLE HEADING> |
36 |
<TABLE ROW> |
36 |
Item |
36 |
Rating |
36 |
<TABLE BODY> |
36 |
<TABLE ROW> |
36 |
Dead load |
36 |
7 lb/ft 2 (34.2 kg/m2) |
36 |
<TABLE ROW> |
36 |
Live load |
36 |
313 lb/ft 2 (1528.3 kg/m2) |
36 |
<TABLE ROW> |
36 |
Concentrated load |
36 |
1250 lb (567 kg) |
36 |
<TABLE ROW> |
37 |
Ultimate load |
37 |
4000 lb (1814 kg) per panel |
37 |
<TABLE ROW> |
37 |
Rolling load |
37 |
400 lb (181 kg) |
37 |
<TABLE ROW> |
37 |
Average floor load |
37 |
500 lb (227 kg) |
37 |
Windows |
37 |
Windows |
37 |
Avoid housing computers in a room with windows. Sunlight entering a computer room can cause probl... |
37 |
facility guidelines:windows |
38 |
Space Requirements |
38 |
This section contains information about space requirements for the server. This data should be us... |
38 |
space requirements |
38 |
Delivery Space Requirements |
38 |
Delivery Space Requirements |
38 |
There should be enough clearance to move equipment safely from the receiving area to the computer... |
38 |
space requirements:delivery space requirements |
38 |
Delivery plans should include the possible removal of walls or doors. |
38 |
Operational Space Requirements |
38 |
Operational Space Requirements |
38 |
Other factors must be considered in addition to the basic equipment dimensions. Reduced airflow a... |
38 |
facility guidelines:operational space requirements |
38 |
The locations of lighting fixtures and utility outlets affect servicing operations. Plan equipmen... |
38 |
Clearance around the cabinets must be provided for proper cooling airflow through the equipment. |
38 |
If other equipment is located so that it exhausts heated air near the cooling air intakes of the ... |
38 |
<TABLE> |
38 |
Table24 Computer Room Environment |
38 |
<TABLE HEADING> |
38 |
<TABLE ROW> |
38 |
Parameter |
38 |
Parameter |
38 |
Operating Limits |
38 |
Operating Limits |
38 |
Recommended Operating Range |
38 |
Maximum Rate of Change (per hour) |
38 |
Non-Operating Ranges |
38 |
Non-Operating Ranges |
38 |
<TABLE BODY> |
38 |
<TABLE ROW> |
38 |
Temperature |
38 |
41°–95° F (5°–35° C) |
38 |
41°–95° F (5°–35° C) |
38 |
68°–77° F (20°–25° C) |
38 |
9° F repetitive, 36° F non-repetitive (5° C repetitive, 20° C non-repetitive) |
38 |
-40° C to +70° C |
38 |
<TABLE ROW> |
38 |
Humidity |
38 |
15–80% with no condensation (40–55% recommended) |
38 |
40–55% RH non-condensing |
38 |
6% |
38 |
90% RH non-condensing at 65° C (149° F) |
38 |
Space planning should also include the possible addition of equipment or other changes in space r... |
38 |
• Channels or fixtures used for routing data cables and power cables |
38 |
• Channels or fixtures used for routing data cables and power cables |
38 |
• Channels or fixtures used for routing data cables and power cables |
38 |
• Access to air-conditioning ducts, filters, lighting, and electrical power hardware |
39 |
• Access to air-conditioning ducts, filters, lighting, and electrical power hardware |
39 |
• Power conditioning equipment |
39 |
• Power conditioning equipment |
39 |
• Cabinets for cleaning materials |
39 |
• Cabinets for cleaning materials |
39 |
• Maintenance area and spare parts |
39 |
• Maintenance area and spare parts |
39 |
Floor Plan Grid |
39 |
Floor Plan Grid |
39 |
A floor plan grid is used to plan the location of equipment in the computer room. In addition to ... |
39 |
facility guidelines:floor-plan grid |
39 |
• Air-conditioning vents |
39 |
• Air-conditioning vents |
39 |
• Air-conditioning vents |
39 |
• Lighting fixtures |
39 |
• Lighting fixtures |
39 |
• Utility outlets |
39 |
• Utility outlets |
39 |
• Doors |
39 |
• Doors |
39 |
• Access areas for power wiring and air-conditioning filters |
39 |
• Access areas for power wiring and air-conditioning filters |
39 |
• Equipment cable routing |
39 |
• Equipment cable routing |
39 |
Power Plug Configuration |
40 |
Power Plug Configuration |
40 |
Several different power cables are designed for use with HP servers. The region the server ships ... |
40 |
Female End of Power Cable |
40 |
The female end of the HP server is a C19 plug that mates with the C20 receptacle in each power su... |
40 |
Figure22 C20 Male Receptacle (at power supply) |
40 |
Figure22 C20 Male Receptacle (at power supply) |
40 |
<GRAPHIC> |
40 |
Figure23 C19 Female Plug (on one end of the power cord) |
40 |
<GRAPHIC> |
40 |
The male plug on the other end of the power cable will vary depending on the region to where the ... |
40 |
NOTE Several examples follow, though this list is not meant to be all-inclusive nor is this list ... |
41 |
NOTE Several examples follow, though this list is not meant to be all-inclusive nor is this list ... |
41 |
Figure24 Unterminated Plug |
41 |
Figure24 Unterminated Plug |
41 |
<GRAPHIC> |
41 |
Figure25 L6-20 Plug |
41 |
<GRAPHIC> |
41 |
Figure26 IEC 309 Plug |
41 |
<GRAPHIC> |
41 |
Figure27 CEE 7-7 Plug |
41 |
<GRAPHIC> |
42 |
Figure28 L6-30 Plug |
42 |
<GRAPHIC> |
42 |
Figure29 NEMA 5-20P Plug |
42 |
<GRAPHIC> |
42 |
Figure210 ISI 32 Plug |
42 |
<GRAPHIC> |
42 |
Figure211 GB 1002 Plug |
42 |
<GRAPHIC> |
43 |
The power cable length and configuration varies based on the region to where the server ships. Th... |
43 |
Figure212 L6-20 Power Cable |
43 |
Figure212 L6-20 Power Cable |
43 |
<GRAPHIC> |
44 |
Conversion Factors and Formulas |
44 |
The conversion factors provided in this appendix are intended to ease data calculation for system... |
44 |
Conversion Factors |
44 |
• Refrigeration |
44 |
• Refrigeration |
44 |
• Refrigeration |
44 |
— 1 watt = 0.86 kcal/h |
44 |
— 1 watt = 0.86 kcal/h |
44 |
— 1 watt = 0.86 kcal/h |
44 |
— 1 watt = 3.412 Btu/h |
44 |
— 1 watt = 3.412 Btu/h |
44 |
— 1 watt = 2.843 x 10-4 tons |
44 |
— 1 watt = 2.843 x 10-4 tons |
44 |
— 1 ton = 200 Btu/min. |
44 |
— 1 ton = 200 Btu/min. |
44 |
— 1 ton = 12,000 Btu/h |
44 |
— 1 ton = 12,000 Btu/h |
44 |
— 1 ton = 3,517.2 W |
44 |
— 1 ton = 3,517.2 W |
44 |
• Metric Equivalents |
44 |
• Metric Equivalents |
44 |
— 1 centimeter = 0.3937 in |
44 |
— 1 centimeter = 0.3937 in |
44 |
— 1 centimeter = 0.3937 in |
44 |
— 1 meter = 3.28 ft. |
44 |
— 1 meter = 3.28 ft. |
44 |
— 1 meter = 1.09 yds |
44 |
— 1 meter = 1.09 yds |
44 |
— 1 in. = 2.54 cm |
44 |
— 1 in. = 2.54 cm |
44 |
— 1 ft. = 0.305 m |
44 |
— 1 ft. = 0.305 m |
44 |
— 1 CFM = 1.7m3/h |
44 |
— 1 CFM = 1.7m3/h |
44 |
• kVA Conversions |
44 |
• kVA Conversions |
44 |
Three phase |
44 |
kVA = V ¥ A ¥ ÷3 ⁄ 1000 |
44 |
kVA = V ¥ A ¥ ÷3 ⁄ 1000 |
44 |
• Single phase |
44 |
Formulas |
44 |
• kVA = Voltage x Current (amps) |
44 |
• kVA = Voltage x Current (amps) |
44 |
• Watts = VA x PF |
44 |
• Btu = Watts x 3.41 |
44 |
Example of an Installation Schedule |
45 |
Example of an Installation Schedule |
45 |
The following schedule lists the sequence of events for a typical system installation: |
45 |
example installation schedule |
45 |
computer system:sample installation schedule |
45 |
example installation schedule |
45 |
• 60 days before installation |
45 |
• 60 days before installation |
45 |
• 60 days before installation |
45 |
— Floor plan design completed and mailed to HP (if required to be an HP task) |
45 |
— Floor plan design completed and mailed to HP (if required to be an HP task) |
45 |
— Floor plan design completed and mailed to HP (if required to be an HP task) |
45 |
• 30 days before installation |
45 |
• 30 days before installation |
45 |
• 30 days before installation |
45 |
— Primary power and air-conditioning installation completed |
45 |
— Primary power and air-conditioning installation completed |
45 |
— Primary power and air-conditioning installation completed |
45 |
— Telephone and data cables installed |
45 |
— Telephone and data cables installed |
45 |
— Fire protection equipment installed |
45 |
— Fire protection equipment installed |
45 |
— Major facility changes completed |
45 |
— Major facility changes completed |
45 |
— Special delivery requirements defined |
45 |
— Special delivery requirements defined |
45 |
— Site inspection survey completed |
45 |
— Site inspection survey completed |
45 |
— Delivery survey completed |
45 |
— Delivery survey completed |
45 |
— A signed copy of the site inspection and delivery survey mailed to HP |
45 |
— A signed copy of the site inspection and delivery survey mailed to HP |
45 |
— Site inspection and pre-delivery coordination meeting arranged with a HP representative to revi... |
45 |
— Site inspection and pre-delivery coordination meeting arranged with a HP representative to revi... |
45 |
• 7 days before installation |
45 |
• 7 days before installation |
45 |
— Final check made with an HP site preparation specialist to resolve any last minute problems |
45 |
— Final check made with an HP site preparation specialist to resolve any last minute problems |
45 |
— Final check made with an HP site preparation specialist to resolve any last minute problems |
45 |
NOTE Not all installations follow a schedule like the one previously noted. Sometimes a server is... |
45 |
NOTE Not all installations follow a schedule like the one previously noted. Sometimes a server is... |
45 |
• Site Preparation—schedule with the customer as soon as possible after the order is placed. |
45 |
• Site Preparation—schedule with the customer as soon as possible after the order is placed. |
45 |
• Site Verification—schedule with the customer a minimum of one to two days before the product is... |
45 |
Sample Site Inspection Checklist |
46 |
Sample Site Inspection Checklist |
46 |
<TABLE> |
46 |
Table25 Customer and HP Information |
46 |
<TABLE HEADING> |
46 |
<TABLE ROW> |
46 |
Customer Information |
46 |
<TABLE BODY> |
46 |
<TABLE ROW> |
46 |
Name: |
46 |
Phone Number: |
46 |
<TABLE ROW> |
46 |
Street Address: |
46 |
City or Town: |
46 |
<TABLE ROW> |
46 |
State or Province: |
46 |
Country |
46 |
<TABLE ROW> |
46 |
Zip or postal code: |
46 |
<TABLE ROW> |
46 |
Primary customer contact: |
46 |
Phone Number: |
46 |
<TABLE ROW> |
46 |
Secondary customer contact: |
46 |
Phone Number: |
46 |
<TABLE ROW> |
46 |
Traffic coordinator: |
46 |
Phone Number: |
46 |
<TABLE ROW> |
46 |
HP information |
46 |
<TABLE ROW> |
46 |
Sales representative |
46 |
Order Number: |
46 |
<TABLE ROW> |
46 |
Representative making survey |
46 |
Date: |
46 |
<TABLE ROW> |
46 |
Scheduled delivery date |
46 |
<TABLE> |
46 |
Table26 Site Inspection Checklist |
46 |
<TABLE HEADING> |
46 |
<TABLE ROW> |
46 |
Please check either Yes or No. If No, include comment number or date |
46 |
Comment or Date |
46 |
<TABLE BODY> |
46 |
<TABLE ROW> |
46 |
Computer room |
46 |
<TABLE ROW> |
46 |
Number |
46 |
Area or condition |
46 |
Yes |
46 |
No |
46 |
<TABLE ROW> |
46 |
1. |
46 |
Is there a completed floor plan? |
46 |
<TABLE ROW> |
46 |
2. |
46 |
Is there adequate space for maintenance needs? Front 36 in. (91.4 cm) minimum, rear 36 in. (91.4 ... |
46 |
<TABLE ROW> |
46 |
3. |
46 |
Is access to the site or computer room restricted? |
46 |
<TABLE ROW> |
46 |
4. |
46 |
Is the computer room structurally complete? Expected date of completion? |
46 |
<TABLE ROW> |
46 |
5. |
46 |
Is a raised floor installed and in good condition? |
46 |
<TABLE ROW> |
46 |
6. |
46 |
6. |
46 |
Is the raised floor adequate for equipment loading? |
46 |
Is the raised floor adequate for equipment loading? |
46 |
<TABLE ROW> |
47 |
7. |
47 |
Are there channels or cutouts for cable routing? |
47 |
<TABLE ROW> |
47 |
8. |
47 |
Is there a network line available? |
47 |
<TABLE ROW> |
47 |
9. |
47 |
Is a telephone line available? |
47 |
<TABLE ROW> |
47 |
10. |
47 |
Are customer supplied peripheral cables and LAN cables available and of the proper type? |
47 |
<TABLE ROW> |
47 |
11. |
47 |
11. |
47 |
Are floor tiles in good condition and properly braced? |
47 |
Are floor tiles in good condition and properly braced? |
47 |
<TABLE ROW> |
47 |
12. |
47 |
12. |
47 |
Is floor tile underside shiny or painted? If painted, judge the need for particulate test. |
47 |
Is floor tile underside shiny or painted? If painted, judge the need for particulate test. |
47 |
<TABLE ROW> |
47 |
Power and lighting |
47 |
<TABLE ROW> |
47 |
Number |
47 |
Area or condition |
47 |
Yes |
47 |
No |
47 |
<TABLE ROW> |
47 |
13. |
47 |
Are lighting levels adequate for maintenance? |
47 |
<TABLE ROW> |
47 |
14. |
47 |
Are there AC outlets available for servicing needs? (for example, laptop) |
47 |
<TABLE ROW> |
47 |
15. |
47 |
Does the input voltage correspond to equipment specifications? |
47 |
<TABLE ROW> |
47 |
15A |
47 |
15A |
47 |
Is dual source power used? If so, identify types and evaluate grounding. |
47 |
Is dual source power used? If so, identify types and evaluate grounding. |
47 |
<TABLE ROW> |
47 |
16 |
47 |
Does the input frequency correspond to equipment specifications? |
47 |
<TABLE ROW> |
47 |
17. |
47 |
Are lightning arrestors installed inside the building? |
47 |
<TABLE ROW> |
47 |
18. |
47 |
Is power conditioning equipment installed? |
47 |
<TABLE ROW> |
47 |
19. |
47 |
Is there a dedicated branch circuit for equipment? |
47 |
<TABLE ROW> |
47 |
20. |
47 |
Is the dedicated branch circuit less than 75 feet (22.86 meters)? |
47 |
<TABLE ROW> |
47 |
21. |
47 |
Are the input circuit breakers adequate for equipment loads? |
47 |
<TABLE ROW> |
47 |
Safety |
47 |
<TABLE ROW> |
47 |
Number |
47 |
Area or condition |
47 |
Yes |
47 |
No |
47 |
<TABLE ROW> |
47 |
22. |
47 |
Is there an emergency power shutoff switch? |
47 |
<TABLE ROW> |
47 |
23. |
47 |
Is there a telephone available for emergency purposes? |
47 |
<TABLE ROW> |
48 |
24. |
48 |
Is there a fire protection system in the computer room? |
48 |
<TABLE ROW> |
48 |
25. |
48 |
Is antistatic flooring installed? |
48 |
<TABLE ROW> |
48 |
26. |
48 |
Are there any equipment servicing hazards (loose ground wires, poor lighting, and so on)? |
48 |
<TABLE ROW> |
48 |
Cooling |
48 |
<TABLE ROW> |
48 |
Number |
48 |
Area or condition |
48 |
Yes |
48 |
No |
48 |
<TABLE ROW> |
48 |
27. |
48 |
Can cooling be maintained between 5°C and 35°C (up to 5000 ft)? Derate 1 °C/1000 ft above 5000 ft... |
48 |
<TABLE ROW> |
48 |
28. |
48 |
Can temperature changes be held to 5 °C per hour with tape media? Can temperature changes be held... |
48 |
<TABLE ROW> |
48 |
29. |
48 |
Can humidity level be maintained at 40% to 55% at 35 °C noncondensing? |
48 |
<TABLE ROW> |
48 |
30. |
48 |
Are air-conditioning filters installed and clean? |
48 |
<TABLE ROW> |
48 |
Storage |
48 |
<TABLE ROW> |
48 |
Number |
48 |
Area or condition |
48 |
Yes |
48 |
No |
48 |
<TABLE ROW> |
48 |
31. |
48 |
Are cabinets available for tape and disc media? |
48 |
<TABLE ROW> |
48 |
32. |
48 |
Is shelving available for documentation? |
48 |
<TABLE ROW> |
48 |
Training |
48 |
<TABLE ROW> |
48 |
Number |
48 |
Number |
48 |
Area or condition |
48 |
<TABLE ROW> |
48 |
33 |
48 |
33 |
48 |
Are personnel enrolled in the System Administrator’s Course? |
48 |
<TABLE ROW> |
48 |
34 |
48 |
34 |
48 |
Is on-site training required? |
48 |
Delivery Survey |
49 |
Delivery Survey |
49 |
The delivery survey forms list delivery or installation requirements. If any of the items on the ... |
49 |
Special instructions or recommendations should be entered on the special instructions or recommen... |
49 |
• Packaging restrictions at the facility, such as size and weight limitations |
49 |
• Packaging restrictions at the facility, such as size and weight limitations |
49 |
• Packaging restrictions at the facility, such as size and weight limitations |
49 |
• Special delivery procedures |
49 |
• Special delivery procedures |
49 |
• Special equipment required for installation, such as tracking or hoists |
49 |
• Special equipment required for installation, such as tracking or hoists |
49 |
• What time the facility is available for installation (after the equipment is unloaded) |
49 |
• What time the facility is available for installation (after the equipment is unloaded) |
49 |
• Special security requirements applicable to the facility, such as security clearance |
50 |
• Special security requirements applicable to the facility, such as security clearance |
50 |
Figure213 Delivery Survey (Part 1) |
50 |
Figure213 Delivery Survey (Part 1) |
50 |
<GRAPHIC> |
51 |
Figure214 Delivery Survey (Part 2) |
51 |
<GRAPHIC> |
53 |
Site Preparation Glossary |
53 |
A-B |
53 |
A-B |
53 |
Apparent power |
53 |
Apparent power |
53 |
A value of power for AC circuits that is calculated as the product of RMS current times RMS volta... |
53 |
A value of power for AC circuits that is calculated as the product of RMS current times RMS volta... |
53 |
ASHRAE Standard 52-76 |
53 |
ASHRAE Standard 52-76 |
53 |
Industry-standard term for air filtration efficiency set forth by the American Society of Heating... |
53 |
Industry-standard term for air filtration efficiency set forth by the American Society of Heating... |
53 |
ASL |
53 |
ASL |
53 |
Above sea level. |
53 |
Above sea level. |
53 |
board |
53 |
board |
53 |
A printed circuit assembly (PCA). Also called a card or adapter. |
53 |
A printed circuit assembly (PCA). Also called a card or adapter. |
53 |
Btu/h |
53 |
Btu/h |
53 |
British thermal units. The amount of heat required to raise one pound of water 1° F/hr, a common ... |
53 |
British thermal units. The amount of heat required to raise one pound of water 1° F/hr, a common ... |
53 |
C |
53 |
C |
53 |
CompactPCI |
53 |
CompactPCI |
53 |
The newest specification for PCI-based industrial computers is called CompactPCI. It is electrica... |
53 |
The newest specification for PCI-based industrial computers is called CompactPCI. It is electrica... |
53 |
CFM |
53 |
CFM |
53 |
Cubic feet per minute, commonly used to measure the rate of air flow in an air-conditioning system. |
53 |
Cubic feet per minute, commonly used to measure the rate of air flow in an air-conditioning system. |
53 |
Chilled water system |
53 |
Chilled water system |
53 |
A type of air-conditioning system that has no refrigerant in the unit itself. The refrigerant is ... |
53 |
A type of air-conditioning system that has no refrigerant in the unit itself. The refrigerant is ... |
53 |
D-K |
53 |
D-K |
53 |
Dehumidification |
53 |
Dehumidification |
53 |
The process of removing moisture from the air within a critical space. |
53 |
The process of removing moisture from the air within a critical space. |
53 |
Derate |
53 |
Derate |
53 |
To lower the rated capability of an electrical or mechanical apparatus. |
53 |
To lower the rated capability of an electrical or mechanical apparatus. |
53 |
Downflow |
53 |
Downflow |
53 |
Refers to a type of air-conditioning system that discharges air downward, directly beneath a rais... |
53 |
Refers to a type of air-conditioning system that discharges air downward, directly beneath a rais... |
53 |
EIA unit |
53 |
EIA unit |
53 |
The Electronic Industries Association (EIA) defines this unit of measurement to be 1.75 in. in he... |
53 |
The Electronic Industries Association (EIA) defines this unit of measurement to be 1.75 in. in he... |
53 |
Humidification |
53 |
Humidification |
53 |
The process of adding moisture to the air within a critical space. |
53 |
The process of adding moisture to the air within a critical space. |
53 |
Inrush current |
53 |
Inrush current |
53 |
The peak current flowing into a power supply the instant AC power is applied. This peak is usuall... |
53 |
The peak current flowing into a power supply the instant AC power is applied. This peak is usuall... |
53 |
KVA |
53 |
KVA |
53 |
Kilovolt-amperes. (1000 x volt-amperes) |
53 |
Kilovolt-amperes. (1000 x volt-amperes) |
53 |
L-N |
54 |
L-N |
54 |
Latent cooling capacity |
54 |
Latent cooling capacity |
54 |
The capability of an air-conditioning system to remove heat from the air. |
54 |
The capability of an air-conditioning system to remove heat from the air. |
54 |
Leakage current |
54 |
Leakage current |
54 |
A term relating to current flowing between the AC supply wires and earth ground. The term does no... |
54 |
A term relating to current flowing between the AC supply wires and earth ground. The term does no... |
54 |
Maximum input current |
54 |
Maximum input current |
54 |
The operating current of the product equal to the maximum load divided by the minimum input voltage. |
54 |
The operating current of the product equal to the maximum load divided by the minimum input voltage. |
54 |
NEBS |
54 |
NEBS |
54 |
All electronic equipment has the potential to interfere with other electronic equipment. Interfer... |
54 |
All electronic equipment has the potential to interfere with other electronic equipment. Interfer... |
54 |
O-R |
54 |
O-R |
54 |
PCA |
54 |
PCA |
54 |
Printed Circuit Assembly; also referred to as a printed circuit board (PCB). |
54 |
Printed Circuit Assembly; also referred to as a printed circuit board (PCB). |
54 |
PCI |
54 |
PCI |
54 |
Currently, the most popular local I/O bus, the Peripheral Component Interconnect (PCI) bus was de... |
54 |
Currently, the most popular local I/O bus, the Peripheral Component Interconnect (PCI) bus was de... |
54 |
PICMG |
54 |
PICMG |
54 |
A consortium of companies involved in utilizing PCI for embedded applications. The PCI Industrial... |
54 |
A consortium of companies involved in utilizing PCI for embedded applications. The PCI Industrial... |
54 |
Power factor |
54 |
Power factor |
54 |
The ratio of true power to apparent power in an AC circuit. In power conversion technology, power... |
54 |
The ratio of true power to apparent power in an AC circuit. In power conversion technology, power... |
54 |
RMS |
54 |
RMS |
54 |
Root-mean-square. Term that refers to the most common mathematical method of defining the effecti... |
54 |
Root-mean-square. Term that refers to the most common mathematical method of defining the effecti... |
54 |
S-T |
54 |
S-T |
54 |
Theoretical maximum power consumption |
54 |
Theoretical maximum power consumption |
54 |
Maximum wattage of a given configuration, assuming worst-case conditions (thermal tolerances, wor... |
54 |
Maximum wattage of a given configuration, assuming worst-case conditions (thermal tolerances, wor... |
54 |
Tonnage |
54 |
Tonnage |
54 |
The unit of measure used in air-conditioning to describe the heating or cooling capacity of a sys... |
54 |
The unit of measure used in air-conditioning to describe the heating or cooling capacity of a sys... |
54 |
True power |
55 |
True power |
55 |
In an AC circuit, true power is the actual power consumed. It is distinguished from apparent powe... |
55 |
In an AC circuit, true power is the actual power consumed. It is distinguished from apparent powe... |
55 |
Typical input current |
55 |
Typical input current |
55 |
The operating current of the product measured using a typical load and target voltage. |
55 |
The operating current of the product measured using a typical load and target voltage. |
55 |
Typical power consumption |
55 |
Typical power consumption |
55 |
Represents the expected power consumption of a given configuration. The typical value is the appr... |
55 |
Represents the expected power consumption of a given configuration. The typical value is the appr... |
55 |
U-Z |
55 |
U-Z |
55 |
Vapor seal |
55 |
Vapor seal |
55 |
A vapor seal is an essential part of preventing moisture infiltration into or migration out of a ... |
55 |
A vapor seal is an essential part of preventing moisture infiltration into or migration out of a ... |
55 |
Watt |
55 |
Watt |
55 |
A unit of electricity consumption representing the product of amperage and voltage. When the powe... |
55 |
A unit of electricity consumption representing the product of amperage and voltage. When the powe... |
55 |
A Templates |
57 |
A Templates |
57 |
This appendix contains blank floor plan grids and equipment templates. Combine the necessary numb... |
57 |
This appendix contains blank floor plan grids and equipment templates. Combine the necessary numb... |
57 |
Figure A1 on page52 |
58 |
Figure A1 on page52 |
58 |
FigureA1 HP Integrity rx8620 Server Space Requirements |
58 |
FigureA1 HP Integrity rx8620 Server Space Requirements |
58 |
<GRAPHIC> |
59 |
Equipment Footprint Templates |
59 |
Equipment footprint templates are drawn to the same scale as the floor plan grid (1/4 inch = 1 fo... |
59 |
The service areas shown on the template drawings are lightly shaded. |
59 |
The equipment templates should be used with the floor plan grid to define the location of the equ... |
59 |
NOTE Photocopying typically changes the scale of drawings copied. If any templates are copied, th... |
59 |
NOTE Photocopying typically changes the scale of drawings copied. If any templates are copied, th... |
59 |
Computer Room Layout Plan |
60 |
Computer Room Layout Plan |
60 |
Use the following procedure to create a computer room layout plan: |
60 |
Step 1. Remove several copies of the floor plan grid. |
60 |
Step 1. Remove several copies of the floor plan grid. |
60 |
Step 1. Remove several copies of the floor plan grid. |
60 |
Step 2. Cut and join them together (as necessary) to create a scale model floor plan of your co... |
60 |
Step 2. Cut and join them together (as necessary) to create a scale model floor plan of your co... |
60 |
Step 3. Remove a copy of each applicable equipment footprint template. |
60 |
Step 3. Remove a copy of each applicable equipment footprint template. |
60 |
Step 4. Cut out each template selected in step 3; then place it on the floor plan grid created ... |
60 |
Step 4. Cut out each template selected in step 3; then place it on the floor plan grid created ... |
60 |
Step 5. Position pieces until the desired layout is obtained; then fasten the pieces to the gri... |
60 |
Step 5. Position pieces until the desired layout is obtained; then fasten the pieces to the gri... |
60 |
NOTE Attach a reduced copy of the completed floor plan to the site survey. See |
61 |
NOTE Attach a reduced copy of the completed floor plan to the site survey. See |
61 |
FigureA2 HP Integrity rx8620 Server Cabinet Template |
61 |
FigureA2 HP Integrity rx8620 Server Cabinet Template |
61 |
<GRAPHIC> |
62 |
FigureA3 Planning Grid |
62 |
<GRAPHIC> |
63 |
FigureA4 Planning Grid |
63 |
<GRAPHIC> |
64 |
FigureA5 Planning Grid |
64 |
<GRAPHIC> |
65 |
FigureA6 Planning Grid |
65 |
<GRAPHIC> |
66 |
FigureA7 Planning Grid |
66 |
<GRAPHIC> |
67 |
A |
67 |
B |
67 |
C |
67 |
D |
67 |
E |
67 |
F |
67 |
G |
67 |
H |
67 |
L |
67 |
M |
67 |
N |
67 |
O |
67 |
P |
67 |
R |
68 |
S |
68 |
T |
68 |