Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 155

Chapter 5 Removal and Replacement Procedures
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Figure 5-30
Power leads
attached to
terminal block
( - ) Negative
(+) Positive
( ) Ground
Power
switch
Loosen the captive installation screws on the power supply
Step 5
Caution Use both hands to install and remove power supplies. Each WS-CDC-2500W DC-input power supply
weighs 22 pounds (9.9 kg).
Grasp the power supply handle with one hand and slide the power supply part of the way out of the
Step 6
chassis. Place your other hand underneath the power supply, as shown in
power supply completely out of the chassis.
OL-4503-26
DC-Input Wire Connections on the Terminal Block
DC-input cable
I
0
INP UT
FAN
OU TPU T
OK
OK
FAI L
Captive
installation
screw
Removing and Replacing the Power Supply
(Figure 5-30).
Figure 5-31, and slide the
Cisco 7600 Series Router Installation Guide
5-27