Removing and Replacing a DC Power Supply in Cisco ASR 1004 Router
2
3
4
*For information about
the DB-25 alarm
connector, how it works,
and Cisco ASR 1000
route processor LEDs, see
the xref "How Cisco
ASR1000-RP Alarm
Monitoring Works"
section on page 2-20.
Note: Shielded cables
must be used to connect
to the DB-25 alarm
connector on both the AC
and DC power supplies,
in order to comply with
FCC/EN55022/CISPR22
Class A emissions
requirements.
Removing the DC Power Supply from the Cisco ASR 1004 Router
Before you can remove a DC power supply from the Cisco ASR 1004 Router, you must remove power from
the power supply. Follow these steps to remove power and the DC power supply from the chassis.
SUMMARY STEPS
1. Make certain that the chassis ground is connected before you begin removing the DC power supply.
2. Switch the power supply circuit breaker switch to Off (O).
3. Locate the terminal block on the rear of the chassis on the power supply. The following figure shows the
DC power supply terminal block.
4. Remove the slotted plastic cover from the terminal block.
5. Locate the power supply ground stud (see xref fig). Remove the ground (GND) cable from the DC power
supply.
6. Loosen and remove the Kepnut screw, washer, and ground lug in that order.
7. Loosen the captive screws on the DC power supply.
8. Grasping the power supply handles, pull the power supply from the chassis.
9. Replace the DC power supply within five minutes.
Cisco ASR 1000 Series Router Hardware Installation Guide
560
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
DC power supply LEDs
6
DB-25 alarm connector*
7
DC power supply fan
—
DC power supply On (|)/
Off (O)
DC power supply handle
—