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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter3 Installing the Cisco ASR 903 Router
Installing the Power Supply
Warning
This product requires short-circuit (over current) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Installing the AC Power Supply Module
Follow these steps to install the power supply module:
Step1 Ensure that the system (earth) ground connection has been made. For ground connection installation
instructions, see the “Installing the Chassis Ground Connection” section on page3-7.
Step2 If necessary, remove the blank power supply filler plate from the chassis power supply bay opening by
loosening the captive installation screws.
Step3 Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as
shown in Figure3-23. Slide the power supply into the power supply bay. Make sure that the power
supply is fully seated in the bay.
Figure3-23 Installing the AC Power Supply
Step4 Tighten the captive installation screws of the power supply. The recommended maximum torque is 5.5
in.-lb (.62 N-m).
Warning
Power supply captive installation screws must be tight to ensure protective grounding continuity.
Activating the AC Power Supply
Follow these steps to activate the AC power supply:
Step1 Plug the power cord into the power supply.
Step2 Connect the other end of the power cord to an AC-input power source.
Step3 Verify power supply operation by checking that the power supply LEDs are in the following states:
INPUT OK LED is green
GE-0 GE-1 GE-2 GE-3 GE-4 GE-5 GE-6 GE-7
PWR
STAT
GE-0 GE-1 GE-2 GE-3 GE-4 GE-5 GE-6 GE-7
PWR
STAT
GE-0 GE-1 GE-2 GE-3 GE-4 GE-5 GE-6 GE-7
PWR
STAT
PWR
STAT
L 0 S L 1 S L 2 S L 3 S L 4 S L 5 S L 6 S L 7 S
PWR
STAT
L 0 S L 1 S L 2 S L 3 S L 4 S L 5 S L 6 S L 7 S
PWR
STAT
L 0 S L 1 S L 2 S L 3 S L 4 S L 5 S L 6 S L 7 S
344750
RUDY RSP
MEM TOD BITS MGMT
ENET
1PPS
IN
1PPS
OUT
1OMHZ
OUT
1OMHZ
IN
CONSOLE
SYNC
ACT
PWR
STAT
ALARM
FAN TEMP
CRIT MAJ MIN