DETAILED STEPS
Step 1 Make certain that the chassis ground is connected on the chassis before you begin installing the DC power supply as
shown in the xref “Attaching a Chassis Ground Connection” section.
Step 2 On the rear of the chassis next to the power supply bay PS1 as shown in the figure on page 5, make certain the power
supply switch is in Standby position.
Step 3 Turn off the circuit breaker to the power supply.
Removing DC Input Power from the Cisco ASR 1001 Router
This section describes how to remove a DC power supply from the Cisco ASR 1001 Router. Follow these
steps:
SUMMARY STEPS
1. Turn off the circuit breaker.
2. On the rear of the chassis, place the Standby switch in the Standby position (|).
3. Pull the terminal block plug connector out of the terminal block head in the power supply.
4. Unscrew the two power supply fasteners on the unit.
5. Grasping the power supply handle with one hand, pull the power supply out from the chassis, while at
the same time, supporting it with the other hand.
DETAILED STEPS
Step 1 Turn off the circuit breaker.
Step 2 On the rear of the chassis, place the Standby switch in the Standby position (|).
Step 3 Pull the terminal block plug connector out of the terminal block head in the power supply.
Step 4 Unscrew the two power supply fasteners on the unit.
Step 5 Grasping the power supply handle with one hand, pull the power supply out from the chassis, while at the same time,
supporting it with the other hand.
What to do next
This completes the procedure for removing the DC power supply from the ASR 1001 Router.
Wiring the DC Input Power Source
The Cisco ASR 1001 Router DC power supply has a connector plug that is installed into the power supply
terminal block header. The following figure shows a view of a DC power supply with a DC connector plug
inserted (no wires installed) into the power supply block header in power supply PS0 (on the left) and the
other power supply with no connector plug inserted into power supply PS1 (on the right).
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
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Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
Removing DC Input Power from the Cisco ASR 1001 Router