5-57
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Figure 5-61
DC-Input Wires on Left Side
Installing a PWR-2700-DC Power Supply in a Cisco 7606-S Router
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Follow these steps to install a DC-input power supply:
Step 1
Ensure that the system (earth) ground connection has been made. For ground connection installation
instructions, see the
“System Ground Connection” section on page 3-19
.
Step 2
Remove the plastic bag attached to the front panel and put aside. This bag contains two plastic terminal
block barriers, two cable ties, and two cable holder covers.
Step 3
Verify that power is off to the DC circuit connected to the power supply you are installing.
Grasp both power supply handles, as shown in
Figure 5-62
. Slide the power supply into the power supply
bay. Make sure that the power supply is fully seated in the bay.
119950
PWR-2700-DC/6
CHASSIS
GROUND
INPUT1
OK
48V-60V
=40A
INPUT2
OK
48V-60V
=40A
FAN
OK
OUTPUT
FAIL
ALL F
ASTENERS M
UST BE FULL
Y ENGA
GED
PRIOR T
O OPERA
TING THE
POWER SUPPL
Y