Nortel Networks 1000M Manual de usuario Pagina 118

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Page 118 of 456 Installing DC power
NN43021-310 Standard 02.01 December 2007
The four breakers (one for each module) in the existing DC PDU
(NT4N50AA) are rated at 18 A each. The same breakers in the four-feed
PDU are rated at 28 A.
Figure 41
Optional four-feed wiring
A readily accessible disconnect device for input power is required.
Circuit breakers must be located next to each other and labeled to show that
both must be shut off to remove all power to the system.
CAUTION
Damage to Equipment
DC power for the NT7D09 pedestal must be provided
with circuit protection of 30 A for the -BAT 0/1 and
-BAT 2/3 feeds (see Figure 42 on page 119).
Cable-tie saddle
Cable-tie saddle
Cable restraint bar
553-AAA0468
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