Two power supplies must be installed in the chassis at all times, with a minimum of one power supply connected
to the mains in order to power on the system and ensure sufficient cooling. The system fans are inside the power
supply units and must spin for cooling. Because all the system fans can be powered by one power supply, the
second power supply unit does not have to be powered on, but must be connected.
Note
If you remove a power supply from a system that has four power supplies that are connected and powered on,
the system can run only for a maximum of five minutes before shutting down. However, because the fans and
power elements are independent within the power supply, the replacement power supply does not have to be
energized within five minutes. The only requirement is that the power supply be installed in the chassis in order
to energize the fans and maintain proper system cooling.
Caution
Step 6 Grasping the power supply handles, pull the power supply from the chassis.
Step 7 Replace the AC power supply within five minutes.
What to do next
This completes the procedure for removing the AC power supply from the Cisco ASR 1006 chassis.
Replacing the AC Power Supply in Cisco ASR 1006 Router
This section provides information about installing an AC power supply in the Cisco ASR 1006 Router.
Never install an AC power module and a DC power module in the same chassis. Statement 1050
Warning
The following figure shows the ASR1006-PWR-AC power supply of the Cisco ASR 1006 Router.
Figure 38: Cisco ASR 1006 Router AC Power Supply (ASR1006-PWR-AC)
AC power supply handle5AC power supply fan1
AC power inlet6DB-25 alarm connector*2
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
59
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
Replacing the AC Power Supply in Cisco ASR 1006 Router
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