B. Replacing system components
B-4
Alcatel-Lucent OmniAccess 8550 WSG Installation Guide, Release 2.0
September 2007
3HE03334AAAATQZZA Edition 02
4
Detach the 8550 WSG from the slide rails.
B.4
Replacing the power supply
Use this procedure to replace a faulty power supply.
Procedure B-3 To replace the power supply
1
Remove the faulty power supply.
i
Swing open the cable management arm at the rear of the
8550 WSG.
ii
Remove the faulty power cord from the 8550 WSG.
iii
Slide out the faulty power supply unit from its bay.
Warning —
To reduce the risk of personal injury or equipment damage,
ensure that the rack is adequately stabilized before extending the
8550 WSG from the rack.
Warning 1 —
Ensure you are properly grounded. See the mandatory
requirements chapter for the recommended grounding methods to
prevent electrostatic discharge.
Warning 2 —
To reduce the risk of electric shock or damage to the
equipment, do not connect the power cord to the power supply until
the power supply is installed.
Warning —
To reduce the risk of personal injury, electric shock, or
damage to the equipment, you must perform step
ii
before proceeding.