Table of Contents
Advertisement
Chapter 1
Product Overview
Table 1-18
DC-Power Supply Module LEDs
DC OK
Off
Green
For information about replacing a power supply module, wiring a DC power supply module, and module
specifications, see
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
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
MO DE
1
2
For information about installing a fan module and the module specifications, see
Supply and Fan Module Installation,"
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
Switch Power Supply Module LEDs (continued)
Description
No DC input power.
DC input power present.
Chapter 3, "Power Supply and Fan Module Installation,"
shows the airflow patterns for the 12-, 24-, and 48-port switches. The blue arrow shows cool
24- and 48-Port Switch Airflow Patterns
CON SOL
E
SYS T
XPS
EN
STA T
S-PW R
SPE ED
DUP LX
MAS T
STA CK
PoE
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
PS OK
Off
Green
Red
C3 KX -N
M- 10 G
5
6
7
8
9
10
11 12
1
2
3
4
5
6
7
8
9
10
Ca tal ys
11 12
t 37 50 -X
Po E+ 48
G1
G2 /TE 1
G3
and
Appendix A, "Technical Specifications."
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
Rear Panel Description
Description
Output is disabled, or input is
outside operating range (DC LED
is off).
Power output to switch active.
Output has failed.
and
Appendix A, "Technical
NE TW OR
K
MO DU LE
G4 /TE 2
Chapter 3, "Power
1-21
Advertisement
Table of Contents
