Stackwise Ports; Power Connectors; Internal Power Supply Connector - Cisco Catalyst 3750 Hardware Installation Manual

Chapter 1 Product Overview
Figure 1-26

1 StackWise ports

2 RJ-45 switch console port
3 RJ-45 controller console port 7 AC power connector
4 Fan exhaust
StackWise Ports
The Catalyst 3750 switch ships with a 0.5-meter StackWise cable (72-2632-XX CABASY) that you can
use to connect the StackWise ports.
Use only approved cables (CAB-STACK-50CM, CAB-STACK-1M, or CAB-STACK-3M), and connect
Caution
only to similar Cisco equipment. Equipment might be damaged if connected to other nonapproved Cisco
cables or equipment.
You can order these StackWise cables from your Cisco sales representative:
•
•
•

Power Connectors

The switch is powered through the internal power supply. Except on the Catalyst 3750G-12S-SD switch,
you can also connect the Cisco RPS 675 to provide backup power should the switch internal power
supply fail.
Note The Catalyst 3750 switch and the Cisco RPS 675 should be connected to the same AC power source.

Internal Power Supply Connector

The internal power supply is an autoranging unit that supports input voltages between 100 and 240 VAC.
Use the supplied AC power cord to connect the AC power connector to an AC power outlet.
OL-6336-06
Catalyst 3750G-24WS-S25 and 3750G-24WS-S50 Switches Rear Panel
CO NT RO
LLE R
CO NS OL
E
S TA C K
A
SW ITC H
S TA C K
B CO NS OL
E
2 3 4
1
CAB-STACK-50CM= (0.5-meter cable)
CAB-STACK-1M= (1-meter cable)
CAB-STACK-3M= (3-meter cable)
SE RV ICE
DC INP
UT S FO
R RE MO
PO WE R TE
SU PP LY
SP EC IFIE
D IN MA
NU AL
5 6 7
5 RPS connector
6 Service port
Catalyst 3750 Switch Hardware Installation Guide
Rear Panel Description
1-25