Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 161

Chapter 5 Removal and Replacement Procedures
The 6000 W DC-input power supply provides voltages of 2800 W, 4500 W, or 6000 W for single and
Note
redundant configurations. Some configurations require cable tie-wraps, depending on available DC input
pairs. For more information, refer to
Cisco 7609-S Router, page
Disconnect the DC-input wires from the terminal block in this order:
Step 5
Positive (+)
•
Negative (-)
•
Disconnect the PWR-6000-DC power supply ground.
Step 6
Warning When installing the unit, the ground connection must always be made first and disconnected last.
Figure 5-36
Power leads
attached to
terminal block
( - ) Negative
(+) Positive
( - ) Negative
(+) Positive
If you are not going to remove the IPM, skip steps 7 and 8 and go to step 9.
Note
Step 7 Loosen the IPM captive installation screws on the power supply. See
OL-4503-26
5-80.
DC-Input Wire Connections for 6000-W DC-Input Power Supply (2800W DC-input
shown)
Input power
module
Power
CI SC O SY
ST EM S, IN
C
switch
Captive
installation
screw
Installing a PWR-6000-DC Power Supply in a Cisco 7609 or a
Terminal
block cover
1
2
3
IN PU T
4
OK
FA N
OU TP UT
OK
FA IL
( ) Ground
Cisco 7600 Series Router Installation Guide
Removing and Replacing the Power Supply
Figure 5-35.
5-33