286 Chapter 39 Hardware procedures
NN10600-175 6.1S2
Installing a Multiservice Switch 7480
Install a Nortel Networks Multiservice Switch 7480 in a rack or cabinet
before installing any processor cards or cables.
Prerequisites
• You need a device with PEC NTJS62 (ac-powered) or NTJS63
(dc-powered).
• Ensure that the rack or cabinet is installed and grounded. If you are
installing a second device in a cabinet or rack, you must install the
cooling unit for the second device directly above the cable management
unit of the first device. For information about air flow requirements, see
NN10600-170 Nortel Networks Multiservice Switch 7400 Hardware
Description.
• Ground yourself to an appropriate anti-static discharge apparatus while
handling the shelf assembly (device).
Procedure steps
1 Remove the cooling unit and the air filter from the cooling unit chassis.
2 Gently insert the cooling unit chassis into the cabinet or rack as shown in
the figure
“Multiservice Switch 7480 cooling unit chassis” (page 288)
If you install this device above another device, leave approximately 5 cm
(2
in.) between the 2 devices. Insert the lowest screw that secures the
cooling unit chassis in the sixth available hole above the lower device.
WARNING
Risk of injury
The shelf assembly weighs 20.9 kg (46 lb). You need two
people to perform this procedure.
WARNUNG
Verletzungsgefahr
Die Regalkomponente wiegt 20,9 kg. Zur Montage sind
zwei Personen erforderlich.
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