Nortel Networks 1000M warranty Optional four-feed wiring, Damage to Equipment

Page 118 of 456 Installing DC power

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

Cable-tie saddle	Cable restraint bar	Cable-tie saddle
		553-AAA0468

A readily accessible disconnect device for input power is required.

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).

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.

NN43021-310 Standard 02.01 December 2007