
If the LEDs indicate a power problem, see the
section.
Recommended Power Sequence
For the system to boot properly, we recommend powering on the fan tray, followed by powering on the chassis.
If this sequence is not followed, the system goes for a power cycle and starts booting only after 2 minutes.
Fan 3 LED remains red until the system boots.
Note
Removing and Replacing the DC Power Supply
This section provides information about removing and replacing the DC power supply in the Cisco ASR 914
Router.
The Cisco ASR 914 Router power supplies are hot-swappable. If you have installed redundant power supply
modules, you can replace a single power supply without interrupting power to the router.
Note
To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power supply
has been removed or replaced.
Caution
Procedure
Step 1
Before servicing the power supply, switch off the circuit breaker in your equipment area. As an additional
precaution, tape the circuit-breaker switch in the Off position.
Step 2
Slip on the ESD-preventive wrist strap that was included in the accessory kit.
Step 3
Switch the power supply circuit-breaker switch to the Off (O) position.
Step 4
Pull the terminal block plug connector out of the terminal block head in the power supply.
Step 5
Loosen the captive screws on the DC power supply.
Step 6
Grasping the power supply handle with one hand, pull the power supply out from the chassis while supporting
it with the other hand.
Step 7
Replace the DC power supply within 5 minutes. If the power supply bay is to remain empty, install a blank
filler plate (Cisco part number A900-PWR-BLANK) over the opening, and secure it with the captive installation
screws.
Connecting the Cisco ASR 914 Router to the Network
The sections describe how to connect cables on the Cisco ASR 914 Router.
Installing the Cisco ASR 914 Router
31
Installing the Cisco ASR 914 Router
Recommended Power Sequence