Cisco WS-C3560X-48PF-L Hardware Installation Guide - Page 29

StackWise Ports, Power Supply Modules

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Chapter 1 Product Overview 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. Caution Use only approved cables (CAB-STACK-50CM, CAB-STACK-1M, CAB-STACK-3M, 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: • 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) Power Supply Modules The 24- and 48-port switches are powered through one or two internal power supply modules. The "Switch Power Supply Modules" section on page 1-19 and Table 1-16 describe the supported power supply modules. Switch Power Supply Modules 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 and Table 1-2 show the power supply modules that ship with each switch model. All power supply modules (except the blank modules) have internal fans. All switches ship with a blank power supply module in the second power supply slot. Caution Do not operate the switch with one power supply module slot empty. For proper chassis cooling, both power supply module slots must be populated. The 350-W and 715-W AC power supply modules are autoranging units that support input voltages between 100 and 240 VAC. The 1100-W power supply module is an autoranging unit that supports input voltages between 115 and 240 VAC. The 440-W DC power supply module has dual input feeds (A and B) and supports input voltages between 36 and 72 VDC. The output voltage range is 51-57 V. Each AC power supply module has a power cord for connection to an AC power outlet. The 1100-W and 715-W modules use a 16-AWG cord (only North America). All other modules use an 18-AWG cord. The DC-power supply module must be wired to a DC-power source. OL-19593-02 Catalyst 3750-X and 3560-X Switch Hardware Installation Guide 1-19

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1-19
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-02
Chapter 1
Product Overview
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.
Caution
Use only approved cables (CAB-STACK-50CM, CAB-STACK-1M, CAB-STACK-3M,
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:
•
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)
Power Supply Modules
The 24- and 48-port switches are powered through one or two internal power supply modules. The
“Switch Power Supply Modules” section on page 1-19
and
Table 1-16
describe the supported power
supply modules.
Switch Power Supply Modules
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
and
Table 1-2
show the power supply modules that ship with each switch model. All power
supply modules (except the blank modules) have internal fans. All switches ship with a blank power
supply module in the second power supply slot.
Caution
Do not operate the switch with one power supply module slot empty. For proper chassis cooling, both
power supply module slots must be populated.
The 350-W and 715-W AC power supply modules are autoranging units that support input voltages
between 100 and 240 VAC. The 1100-W power supply module is an autoranging unit that supports input
voltages between 115 and 240 VAC. The 440-W DC power supply module has dual input feeds (A
and B)
and supports input voltages between 36 and 72 VDC. The output voltage range is 51–57 V.
Each AC power supply module has a power cord for connection to an AC power outlet. The 1100-W and
715-W modules use a 16-AWG cord (only North America). All other modules use an 18-AWG cord. The
DC-power supply module must be wired to a DC-power source.