Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 151

Chapter 5 Removal and Replacement Procedures
Grasp both power supply handles, as shown in
Step 7
of the chassis.
Figure 5-25
If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco part number
Note
800-28533-01) over the opening, and secure it with the captive installation screws
Removing a WS-CDC-2500W Power Supply from a Cisco 7609 Router
Warning 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,
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-input power supply you are removing.
Step 1
Turn the power switch to the Off (0) position on the power supply you are removing
Step 2
Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.
OL-4503-26
Handling a DC-Input Power Supply
RE MO VE
INS TA LL
SW ITC
H MU ST
BE IN
TO INS OF F "O
TA LL /RE
" PO SIT
MO VE
FA ST EN
PO WE
ER S MU R SU PP
ST BE PP LY. P PP LY PP P PP
PR IOR
TO OP FU LLY
EN GA
ER AT ING
PO WE
R SU PP
RE MO VE INS TA LL
SW ITC
H MU ST
BE IN
TO INS OF F "O
TA LL /RE
" PO SIT S SIT ION 40 A 40 A
MO VE ION
FA ST EN PO WE
ER S MU
R SU PP UP
ST BE PP LY PP LY P P P P PLY . LY. -V E- 3 -V E- 3 VE -3 VE -3
PR IOR FU LLY
TO OP
ER AT ING EN GA
GE D
PO WE
R SU PP
LY.
Removing and Replacing the Power Supply
Figure 5-25, and slide the power supply completely out
+V E- 1 +V E- 1
48 V- 60 48 V- 60
V V
40 A 40 A
-V E- 1 -V E- 1
+V E- 2 +V E- 2
48 V- 60 48 V- 60
V V
40 A 40 A
-V E- 2 -V E- 2
+V E- 3 +V E- 3
48 V- 60 48 V- 60
V V
40 A 40 A
-V E- 3 -V E- 3
I TIO N ION
PLY . P LY. LY.
GE D
LY.
P W R -4
5 0 0 -D C
INP UT 1
INP UT 2
OK
OK FA N
OU TP UT
OK
FA IL
P W R -4
5 0 0 -D C
INP UT 1
INP UT 2
OK
FA N
OK
OU TP UT
OK
FA IL
Cisco 7600 Series Router Installation Guide
(Figure 5-26).
5-23