290Chapter 23 Replacing or upgrading a power supply

Figure 150 Remove the power supply knockout bracket

Rear view

Remove this bracket to accommodate redundant power supply

7Remove 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 297).

8Place the redundant power supply (top down) on a flat surface. Place the power supply support bracket on the bottom surface of the power supply.

9Insert a tie-wrap in the power supply support bracket lanclet.

10Gather 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.

11Secure the cables to the power supply support bracket with the tie-wrap (see Figure 151).

Figure 151 Fasten the power supply support bracket cables

Place the support

2 bracket on the power supply

1

Place power supply top side down on flat surface

Insert a tie-wrap in the

3power supply support bracket

Gather and route the 4 cables to the tie-wrap

5Secure the cables to the

power supply bracket with the tie-wrap

12Install the power supply support bracket in the BCM400 main unit (see Figure 145).

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Nortel Networks 400 4.0, BCM200 manual Remove the power supply knockout bracket