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Figure 151 – Nortel Networks BCM200/400 User Manual

Page 298

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298

Chapter 23 Replacing or upgrading a power supply

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Figure 151 Remove the power supply knockout bracket

7

Remove both power supply modules from the redundant power supply cage before you install
the power supply in the main unit (see

“Removing a power supply module” on page 305

).

8

Place the redundant power supply (top down) on a flat surface. Place the power supply support
bracket on the bottom surface of the power supply.

9

Insert a tie-wrap in the power supply support bracket lanclet.

10 Gather together and route the motherboard 20-pin power cable (P1), the +12v power cable

(P9), the 3.3v load cable (PB), and the PS monitor cable (PA) to the tie-wrap.

11 Secure the cables to the power supply support bracket with the tie-wrap (see

Figure 152

).

Figure 152 Fasten the power supply support bracket cables

12 Install the power supply support bracket in the BCM400 main unit (see

Figure 146

).

Remove this bracket to
accommodate redundant
power supply

Rear view

5

Secure the cables to the
power supply bracket with
the tie-wrap

Insert a tie-wrap in the
power supply support
bracket

3

Gather and route the
cables to the tie-wrap

4

Place power supply top side
down on flat surface

1

2

Place the support
bracket on the power
supply