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Rear Panel Description
StackWise Ports
The Catalyst 3750-X switch ships with a 0.5-meter StackWise cable (CAB-STACK-50CM) that you can
use to connect the StackWise ports.
Use only approved cables (CAB-STACK-50CM, CAB-STACK-1M, CAB-STACK-3M,
Caution
CAB-STACK-50CM-NH,CAB-STACK-1M-NH, or CAB-STACK-3M-NH), and connect only to similar
Cisco equipment. Equipment might be damaged if connected to nonapproved Cisco cables or equipment.
You can order these StackWise cables from your Cisco sales representative:
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Power Supply Modules
The switch is powered through one or two internal power supply modules.
Supported power supply modules:
Description
350 W AC
715 W AC
1100 W AC
440 W DC
1. These power supplies have an extended tab at the connector end that is designed to protect the system and the
The switch has two internal power supply module slots. You can use two AC modules, two DC modules,
a mixed configuration of one AC and one DC power supply module, or one power supply module and a
blank module.
The switch can operate with either one or two active power supply modules or with power supplied by
an XPS 2200. A Catalyst 3750-X switch that is in a StackPower stack can operate with power supplied
by other switches in the stack.
Table 1-1
supply modules (except the blank modules) have internal fans. All switches ship with a blank power
supply module in the second power supply slot.
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
1-20
CAB-STACK-50CM (0.5-meter cable)
CAB-STACK-1M= (1-meter cable)
CAB-STACK-3M= (3-meter cable)
CAB-STACK-50CM-NH= (0.5-meter cable, nonhalogen)
CAB-STACK-1M-NH= (1-meter cable, nonhalogen)
CAB-STACK-3M-NH= (3-meter cable, nonhalogen)
Model
PWR-C1-350WAC
C3KX-PWR-350WAC
PWR-C1-715WAC
C3KX-PWR-715WAC
PWR-C1-1100WAC
C3KX-PWR-1100WAC
PWR-C1-440WDC
C3KX-PWR-440WDC
power supply from damage if the power supply is installed incorrectly. Otherwise, these power supplies are
functionally compatible with the C3KX-PWR power supplies.
and
Table 1-2
show the power supply modules that ship with each switch model. All power
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Chapter 1
Product Overview
OL-19593-03
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