Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 138

Removing and Replacing the Power Supply
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Removing PWR-950-DC Power Supply from a Cisco 7603 Router
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock,
Warning
keep hands and fingers out of the power supply bays and backplane areas.
Follow these steps to remove a DC-input power supply:
Verify that power is off to the DC circuit connected to the DC PEM for the power supply you are
Step 1
removing
Figure 5-8
terminal block
Loosen the captive installation screws on the power supply
Step 2
Cisco 7600 Series Router Installation Guide
5-10
Removing PWR-4500-DC Power Supply from a Cisco 7606-S Router, page 5-21
Removing a WS-CDC-2500W Power Supply from a Cisco 7613 Router, page 5-26
Removing a PWR-4000-DC Power Supply from a Cisco 7609 Router or a Cisco 7609-S Router, page
5-28
Removing a PWR-6000-DC Power Supply from a Cisco 7609 or a Cisco 7609-S Router, page 5-31
Removing a PWR-6000-DC Power Supply from a Cisco 7613 Router, page 5-38
(Figure 5-8).
PEM Location
DC PEM 1
DC PEM 1
screws
WS-X6 K-SUP 2-2GE
CONSOL E
PORT
MODE
CONSOL E
SUPER VISOR 2
OSM-4OC 12 POS-SI
4 PORT OC-12 POS
SM IR
OSM-4OC 12 POS-SI
4 PORT OC-12 POS
SM IR
DC PEM 2 Cable clips
Switch
Load
100%
PORT 1
PCMCIA
EJECT
1%
Chapter 5 Removal and Replacement Procedures
PORT 2
(Figure 5-9).
OL-4503-26