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Removing a Round-Hole Cage Nut Clip Nut, Removing a Square-Hole Cage Nut

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g040638 Dell PowerConnect J-Series J-EX8208 Ethernet Switch Hardware Guide To remove the power cord tray: 1. Use the appropriate Phillips (+) screwdriver to remove the four mounting screws-and washers if you installed the power cord tray with cage nuts-that hold the power cord tray in the rack. 2. Remove the power cord tray and store it in the original switch accessory box for later use. 3. If you installed the power cord tray with cage nuts, remove the cage nuts from the rack. Use Figure 89 on page 176 and Figure 90 on page 176 to help you with cage-nut removal. Figure 89: Removing a Round-Hole Cage Nut (Clip Nut) Figure 90: Removing a Square-Hole Cage Nut Related • Installing the Power Cord Tray in a Rack or Cabinet for a J-EX8200 Switch on page 98 Documentation 176 g040635

Section	Page
Table of Contents	7
About This Guide	13
How to Use This Guide	13
Downloading Software	14
Documentation Conventions	14
Repair and Warranty	15
Requesting Technical Support	15
Part 1: Switch and Components Overview and Specifications	17
Chapter 1: Dell PowerConnect J-Series J-EX8208 Switch Overview	19
J-EX8208 Switch Hardware Overview	19
Software	19
Chassis Physical Specifications	20
Routing Engines and Switch Fabric	21
Line Cards	21
Cooling System	21
Power Supplies	21
J-EX8208 Switch Configurations	22
Chassis Physical Specifications of a J-EX8208 Switch	23
Understanding J-EX8208 Switch Component and Functionality Redundancy	25
Hardware Components That Provide Redundancy	25
Routing Engine and Control Redundancy	26
Switch Fabric Redundancy	26
Slot Numbering for a J-EX8208 Switch	27
Slot Numbering for SRE and SF Module Slots and Line Card Slots	27
Slot Numbering for the Power Supply Slots	29
Chapter 2: Component Descriptions	31
LCD Panel in a J-EX8200 Switch	31
LCD Panel Modes	32
LCD Panel Menus	33
Chassis Status LEDs in a J-EX8200 Switch	36
Field-Replaceable Units in a J-EX8208 Switch	37
Switch Fabric and Routing Engine (SRE) Module in a J-EX8208 Switch	38
SRE Module LEDs in a J-EX8208 Switch	39
Management Port LEDs in J-EX8200 Switches	41
Switch Fabric (SF) Module in a J-EX8208 Switch	41
SF Module LEDs in a J-EX8208 Switch	42
8-port SFP+ Line Card in a J-EX8200 Switch	43
48-port SFP Line Card in a J-EX8200 Switch	44
48-port RJ-45 Line Card in a J-EX8200 Switch	45
Line Card LEDs in a J-EX8200 Switch	46
Network Port LEDs in a J-EX8200 Switch	47
AC Power Supply in a J-EX8200 Switch	50
AC Power Supply Description	50
N+1 Redundancy Configuration of AC Power Supplies	51
N+N Redundancy Configuration of AC Power Supplies	52
AC Power Supply LEDs in a J-EX8200 Switch	53
Cooling System and Airflow in a J-EX8208 Switch	54
Backplane in a J-EX8208 Switch	57
Chapter 3: Component Specifications	59
USB Port Specifications for a J-EX Series Switch	59
Console Port Connector Pinout Information for a J-EX Series Switch	59
Management Port Connector Pinout Information for a J-EX8200 Switch	60
Optical Interface Support in J-EX8200 Switches	61
Grounding Cable and Lug Specifications for J-EX8200 Switches	69
Part 2: Planning for Switch Installation	71
Chapter 4: Site Preparation	73
Site Preparation Checklist for a J-EX8200 Switch	73
General Site Guidelines for J-EX Series Switches	74
Site Electrical Wiring Guidelines for J-EX Series Switches	75
Environmental Requirements and Specifications for J-EX Series Switches	76
Chapter 5: Rack and Cabinet Requirements	79
Rack Requirements for a J-EX8208 Switch	79
Cabinet Requirements and Specifications for a J-EX8208 Switch	82
Clearance Requirements for Airflow and Hardware Maintenance for a J-EX8208 Switch	83
Chapter 6: Cable Requirements	87
Cables Connecting the J-EX8200 Switch to Management Devices	87
Understanding J-EX8200 Switch Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion	88
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable	88
Attenuation and Dispersion in Fiber-Optic Cable	88
Chapter 7: Planning Power Requirements	91
AC Power Specifications for J-EX8200 Switches	91
Power Requirements for J-EX8208 Switch Components	92
AC Power Cord Specifications for a J-EX8200 Switch	92
Calculating Power Requirements for a J-EX8208 Switch	95
Calculating the Power Consumption of Your J-EX8208 Switch Configuration	95
Calculating System Thermal Output for Your J-EX8208 Switch Configuration	97
Calculating the Number of Power Supplies Required for Your J-EX8208 Switch Configuration	97
Calculating the J-EX8200 Switch Fiber-Optic Cable Power Budget	100
Calculating the J-EX8200 Switch Fiber-Optic Cable Power Margin	101
Part 3: Installing and Connecting the Switch and Switch Components	103
Chapter 8: Installing the Switch	105
Installing and Connecting a J-EX8208 Switch	105
Unpacking a J-EX8200 Switch	106
Parts Inventory (Packing List) for a J-EX8208 Switch	108
Installing Adjustable Mounting Brackets in a Rack or Cabinet for a J-EX8200 Switch	111
Installing the Power Cord Tray in a Rack or Cabinet for a J-EX8200 Switch	114
Mounting a J-EX8208 Switch on a Rack or Cabinet	117
Mounting a J-EX8208 Switch on a Rack or Cabinet Using a Mechanical Lift	120
Mounting a J-EX8208 Switch on a Rack or Cabinet Without Using a Mechanical Lift	123
Chapter 9: Installing Switch Components	129
Installing and Removing J-EX8208 Switch Hardware Components	129
Installing an AC Power Supply in a J-EX8200 Switch	130
Installing a Fan Tray in a J-EX8208 Switch	132
Installing an SRE Module in a J-EX8208 Switch	134
Installing an SF Module in a J-EX8208 Switch	136
Unpacking a Line Card Used in a J-EX8200 Switch	137
Installing a Line Card in a J-EX8200 Switch	138
Installing a Transceiver in a J-EX Series Switch	141
Connecting a Fiber-Optic Cable to a J-EX Series Switch	142
Chapter 10: Connecting the Switch	145
Connecting Earth Ground to a J-EX Series Switch	145
Connecting Earth Ground to a J-EX8208 Switch	146
Connecting AC Power to a J-EX8200 Switch	146
Powering On a J-EX8200 Switch	149
Connecting a J-EX Series Switch to a Management Console	151
Connecting a J-EX Series Switch to a Modem	152
Setting the Serial Console Speed for the Switch	153
Configuring the Modem	154
Connecting the Modem to the Console Port	155
Connecting a J-EX Series Switch to a Network for Out-of-Band Management	156
Chapter 11: Performing Initial Configuration	159
J-EX8200 Switch Default Configuration	159
Connecting and Configuring a J-EX Series Switch (CLI Procedure)	160
Connecting and Configuring a J-EX Series Switch (J-Web Procedure)	162
Part 4: Removing the Switch and Switch Components	165
Chapter 12: Removing the Switch	167
Powering Off a J-EX8200 Switch	167
Removing a J-EX8208 Switch from a Rack or Cabinet	168
Removing a J-EX8208 Switch from a Rack or Cabinet Using a Mechanical Lift	170
Removing a J-EX8208 Switch from a Rack or Cabinet Without Using a Mechanical Lift	172
Chapter 13: Removing Switch Components	177
Removing an AC Power Supply from a J-EX8200 Switch	177
Removing a Fan Tray from a J-EX8208 Switch	179
Taking the SRE Module Offline in a J-EX8208 Switch	181
Taking an SRE Module Offline in a Switch with Redundant SRE Modules	181
Taking an SRE Module Offline in a Switch With One SRE Module	182
Removing an SRE Module from a J-EX8208 Switch	183
Taking the SF Module Offline in a J-EX8208 Switch	184
Removing an SF Module from a J-EX8208 Switch	185
Removing a Line Card from a J-EX8200 Switch	186
Disconnecting a Fiber-Optic Cable from a J-EX Series Switch	188
Removing a Transceiver from a J-EX Series Switch	189
Removing the Power Cord Tray from a Rack or Cabinet for a J-EX8200 Switch	191
Part 5: Switch and Component Maintenance	193
Chapter 14: Routine Maintenance	195
Handling and Storing Line Cards in J-EX8200 Switches	195
Holding a Line Card	196
Storing a Line Card	198
Maintaining Line Card Cables in J-EX8200 Switches	198
Maintaining Fiber-Optic Cables in J-EX Series Switches	199
Part 6: Returning Hardware	201
Chapter 15: Getting Help	203
Obtaining Assistance	203
Online Services	204
Automated Order-Status Service	205
Support Service	205
Dell Enterprise Training and Certification	205
Problems With Your Order	205
Product Information	205
Returning Items for Warranty Repair or Credit	205
Before You Call	206
Diagnostics Checklist	206
Contacting Dell	207
Locating a J-EX Series Switch Component Serial Number and Agency Labels	207
Locating the Serial Number on a J-EX8200 Switch or Component	208
Locating the Chassis Serial Number and Agency Labels	208
Locating the Serial Number ID Labels on FRUs in a J-EX8200 Switch	209
Packing a J-EX8208 Switch or Component for Shipping	213
Packing a J-EX8208 Switch for Shipping	214
Packing J-EX8208 Switch Components for Shipping	217
Packing a Line Card Used in a J-EX8200 Switch	218
Dell Support	219
Part 7: Safety Information	221
Chapter 16: General Safety Information	223
General Safety Guidelines and Warnings for J-EX Series Switches	223
Definitions of Safety Warning Levels for J-EX Series Switches	224
Fire Safety Requirements for J-EX Series Switches	226
Qualified Personnel Warning for J-EX Series Switches	227
Warning Statement for Norway and Sweden for J-EX Series Switches	228
Chapter 17: Radiation and Laser Warnings	229
Laser and LED Safety Guidelines and Warnings for J-EX Series Switches	229
General Laser Safety Guidelines	229
Class 1 Laser Product Warning	229
Class 1 LED Product Warning	230
Laser Beam Warning	230
Radiation from Open Port Apertures Warning for J-EX Series Switches	232
Chapter 18: Installation and Maintenance Safety Information	235
Installation Instructions Warning for J-EX Series Switches	235
Chassis Lifting Guidelines for J-EX8200 Switches	236
Ramp Warning for J-EX Series Switches	237
Rack-Mounting and Cabinet-Mounting Warnings for J-EX Series Switches	237
Grounded Equipment Warning for J-EX Series Switches	241
Maintenance and Operational Safety Guidelines and Warnings for J-EX Series Switches	242
Battery Handling Warning	242
Jewelry Removal Warning	244
Lightning Activity Warning	245
Operating Temperature Warning	246
Product Disposal Warning	248
Chapter 19: Power and Electrical Safety Information	251
General Electrical Safety Guidelines and Warnings for J-EX Series Switches	251
Prevention of Electrostatic Discharge Damage on J-EX Series Switches	252
AC Power Electrical Safety Guidelines for J-EX Series Switches	254
AC Power Disconnection Warning for J-EX Series Switches	255
Multiple Power Supplies Disconnection Warning for J-EX Series Switches	256
TN Power Warning for J-EX Series Switches	256
In Case of Electrical Accident: Action to Take on a J-EX Series Switch	257
Part 8: Compliance Information	259
Chapter 20: Compliance Information	261
Agency Approvals for J-EX Series Switches	261
Compliance Statements for EMC Requirements for J-EX Series Switches	262
Canada	262
European Community	263
Japan	263
United States	263
FCC Part 15 Statement	263
Non-Regulatory Environmental Standards	264
Compliance Statements for Acoustic Noise for J-EX Series Switches	264
Declarations of Conformity for J-EX8208 Switches	265
Part 9: Index	267
Index	269
Symbols	269
A	269
B	269
C	269
D	270
E	270
F	271
G	271
H	271
I	271
J	271
L	271
M	272
N	272
O	272
P	272
R	273
S	274
T	275
U	275

Match case Limit results 1 per page

To remove the power cord tray:

Use the appropriate Phillips (+) screwdriver to remove the four mounting screws—and

washers if you installed the power cord tray with cage nuts—that hold the power cord

tray in the rack.

Remove the power cord tray and store it in the original switch accessory box for later

use.

If you installed the power cord tray with cage nuts, remove the cage nuts from the

rack.

Use Figure 89 on page 176 and Figure 90 on page 176 to help you with cage-nut removal.

Figure 89: Removing a Round-Hole Cage Nut (Clip Nut)

g040638

Figure 90: Removing a Square-Hole Cage Nut

g040635

Documentation

Installing the Power Cord Tray in a Rack or Cabinet for a J-EX8200 Switch on page 98

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176

Dell PowerConnect J-Series J-EX8208 Ethernet Switch Hardware Guide