Cisco 7600-SIP-400 - SPA Interface Processor 400 User Manual

5-118
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the PEM
Figure 5-115 DC-Input PEM Terminal Block Screws
Step 4 Connect the DC-input wires to the terminal block in the following order:
• Negative (–)
• Positive (+)
Note For a Cisco 7603-S router with 1500W DC power supply, the size of the holes on the PEM into which
the DC wires are input, is 0.6-inch in diameter.
Step 5 After ensuring that all wire connections are secure, install the PEM in the bay.
Step 6 Tighten the power supply captive installation screws (Figure 5-116).
Figure 5-116 DC-Input PEM
Caution In a system with dual power supplies, connect each power supply to a separate input line. In case of a
line failure, the second source will most likely still be available.
Step 7 Remove the tape from the circuit breaker switch handle, and restore power by moving the circuit breaker
switch handle to the On (|) position.
Step 8 Verify power supply operation by checking that the power supply front panel LEDs are in the following
states:
• INPUT OK LED is green
• FAN OK LED is green
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68154
DC PEM 1
Cable clips
DC PEM 1
terminal block
screws
DC PEM 2
Captive installation screws
191813
-48 TO -60V
50A MAX
PEM-DC
-48 TO -60V
50A MAX
PEM-DC
-48 TO -60V
25A MAX
PEM-DC/3
Captive installation screws
Captive installation screws
Cisco 7603 Router DC PEM
Cisco 7606 Router DC PEM Cisco 7603-S Router DC PEM

Cisco 7600-SIP-400 - SPA Interface Processor 400 Specifications

General

Brand	Cisco
Model	7600-SIP-400 - SPA Interface Processor 400
Category	Network Router
Language	English