Nortel Networks 400 4.0, BCM200 manual Installing a BCM400 standard power supply

284Chapter 23 Replacing or upgrading a power supply

11Unfasten the exterior and interior power supply support bracket mounting screws (see Figure 143). Place the screws in a safe location.

12Remove the power supply and support bracket out and away from the BCM400 main unit.

Figure 143 Remove the power supply and support bracket

1

Remove the power 2 supply and support

bracket from main unit

Cut the cable

3 tie-wrap away from

the power supply

support bracket.

Remove power

supply

Remove exterior and interior power supply support bracket mounting screws (power supply not shown) - Remove power supply support bracket

13Remove the tie-wrap from the power supply support bracket. Place the power supply in a safe, static-free location.

Installing a BCM400 standard power supply

Use this procedure to install a functional standard power supply in a BCM400 main unit. The base function and advanced function trays must be partially removed.

Warning: Protect the hardware components against damage from electrostatic discharge. Always wear a grounded wrist strap before you handle components. Always place the components in a static-free container.

Warning: Power supply cable management is critical. Loose or incorrectly positioned cables can result in cable damage.

To install a BCM400 standard power supply

1Ensure the new power supply is an auto-adjust power supply.

2Insert a tie-wrap in the power supply support bracket lanclet.

3Place the standard power supply (top down) on a flat surface. Place the power supply support bracket on the bottom surface of the power supply.

4Gather together and route the main card 20-pin power cable (P1) and the +12v power cable (P9) at the tie-wrap.

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