Cisco WS-C3560X-48PF-L Hardware Installation Guide - Page 31

Fan Modules, XPS Connector, DC-Power Supply Module LEDs, DC OK, Description, PS OK

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Chapter 1 Product Overview Rear Panel Description Table 1-18 Switch Power Supply Module LEDs (continued) DC-Power Supply Module LEDs DC OK Description Off No DC input power. Green DC input power present. PS OK Off Green Red Description Output is disabled, or input is outside operating range (DC LED is off). Power output to switch active. Output has failed. For information about replacing a power supply module, wiring a DC power supply module, and module specifications, see Chapter 3, "Power Supply and Fan Module Installation," and Appendix A, "Technical Specifications." Fan Modules The switch has two internal hot-swappable 12-V fan modules, each with two fans. The air circulation system consists of the fan modules and the power supply modules. The airflow patterns vary depending on the power supply configuration. Figure 1-9 shows the airflow patterns for the 12-, 24-, and 48-port switches. The blue arrow shows cool air flow, and the red arrow shows warm air flow. When the fan modules are operating properly, a green LED is on at the top left corner of the fan assembly (viewed from the rear). If the fan fails, the LED turns to amber. Figure 1-9 24- and 48-Port Switch Airflow Patterns 253199 MODE CONSOLE SYST EN XPS S-PWR STAT MAST SPEED STACK DUPLX PoE 12 34 56 78 9 10 11 12 12 34 56 78 9 10 11 12 12 34 56 78 9 10 11 12 12 34 56 78 Catalys9 t 10 3750-X 11 12 PoE+48 C3KX-NM-10G NMEOTWDUOLREK G1 G2/TE1 G3 G4/TE2 For information about installing a fan module and the module specifications, see Chapter 3, "Power Supply and Fan Module Installation," and Appendix A, "Technical Specifications." XPS Connector Warning Attach only the following Cisco external power system to the switch: XPS 2200. Statement 387 The Cisco XPS 2200 is a expandable power system that can support nine network switches and provides power to one or two failed switches at a time. It senses when the power supply of a connected switch fails and provides power to the failed switch. OL-19593-02 Catalyst 3750-X and 3560-X Switch Hardware Installation Guide 1-21

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1-21
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-02
Chapter 1
Product Overview
Rear Panel Description
For information about replacing a power supply module, wiring a DC power supply module, and module
specifications, see
Chapter
3, “Power Supply and Fan Module Installation,”
and
Appendix
A, “Technical
Specifications.”
Fan Modules
The switch has two internal hot-swappable 12-V fan modules, each with two fans. The air circulation
system consists of the fan modules and the power supply modules. The airflow patterns vary depending
on the power supply configuration.
Figure 1-9
shows the airflow patterns for the 12-, 24-, and 48-port switches. The blue arrow shows cool
air flow, and the red arrow shows warm air flow. When the fan modules are operating properly, a green
LED is on at the top left corner of the fan assembly (viewed from the rear). If the fan fails, the LED turns
to amber.
Figure 1-9
24- and 48-Port Switch Airflow Patterns
For information about installing a fan module and the module specifications, see
Chapter 3, “Power
Supply and Fan Module Installation,”
and
Appendix A, “Technical Specifications.”
XPS Connector
Warning
Attach only the following Cisco external power system to the switch: XPS 2200.
Statement 387
The Cisco XPS 2200 is a expandable power system that can support nine network switches and provides
power to one or two failed switches at a time. It senses when the power supply of a connected switch
fails and provides power to the failed switch.
DC-Power Supply Module LEDs
DC OK
Description
PS OK
Description
Off
No DC input power.
Off
Output is disabled, or input is
outside operating range (DC LED
is off).
Green
DC input power present.
Green
Power output to switch active.
Red
Output has failed.
Table 1-18
Switch Power Supply Module LEDs (continued)
Cataly
s
t
3
750-X
PoE+4
8
S
Y
S
T
XP
S
S
TAT
S
PEED
DUPLX
EN
PoE
S
TACK
MA
S
T
S
-PWR
MODE
CON
S
OLE
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
C
3
KX-NM-10G
NETWORK
MODULE
G1
G2/TE1
G
3
G4/TE2
253199