Nortel 7400 - Installing a Power Supply into a Multiservice Switch 7480

Chapter 39 Hardware procedures 301
Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Installing a power supply into a Multiservice Switch 7480
Install a power supply into a Nortel Networks Multiservice Switch 7480 to
provide minimum or redundant power for the shelf.
Prerequisites
• You need a power supply with one of the following PECs:
—NTBP09
—NTBO52
•Follow “Avoiding damage from static electricity” (page 208) to protect
the unit from damage by ESD or from transferring ESD to other
hardware.
Procedure steps
1 If necessary remove the power supply filler (blank) from the power supply
bay. Fillers are removed and installed using the same procedure as for
power supplies.
2 Toggle to the standby position the power control on the power supply
faceplate. See the figure
“Unlocked power supply on a Multiservice
Switch 7480 with the power control in the standby position” (page 476).
3 Use a 1/4-in. flat-head screwdriver to turn the locking screw on the power
supply faceplate to the unlocked (vertical) position.
4 Pull the faceplate handle down so that the handle is at a 90-degree angle
to the faceplate.
WARNING
Risk of personal injury
Power supplies weigh 6.6 kg (14.5 lb) each. Handle
carefully and avoid dropping.
WARNUNG
Verletzungsgefahr
Die Stromversorgungsgeräte haben ein Gewicht von
jeweils 6,6
kg. Seien Sie vorsichtig beim Umgang mit
dem Gerät, und vermeiden Sie, es fallenzulassen.