Nortel Networks 400 4.0, BCM200 manual Remove the BCM400 redundant power supply screws

294Chapter 23 Replacing or upgrading a power supply

Warning: When the power is on, wait several seconds before removing the power supply module completely from the power supply cage to ensure complete electrical discharge.

8Disconnect the power supply cables from the I/O card, media bay backplane, and hard disk.

9Unfasten the cable clamp that holds the power and IDE cables in place. The cable clamp is located under the top cover of the platform base chassis.

10Run all cables to the rear exterior of the main unit.

11Remove the four power supply chassis screws from the rear of the main unit (see Figure 155). Place the screws in a safe location.

Figure 155 Remove the BCM400 redundant power supply screws

Remove power supply

mounting screws

12Unfasten the exterior and interior power supply support bracket mounting screws (see Figure 143). Place the screws in a safe location.

13Remove the redundant power supply cage and support bracket out and away from the BCM400 main unit (see Figure 156). Place the power supply in a safe, clean, and static-free location.

Note: Remove the power supply carefully. Ensure the power supply cables are not entangled or connected to any internal components.

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