Nortel Networks 400 4.0 manual Installing a BCM200 standard power supply

278Chapter 23 Replacing or upgrading a power supply

11Remove the four power supply chassis screws from the back of the main unit (see Figure 136). Place the screws in a safe location.

Figure 136 Remove the BCM200 power supply screws

12Separate the power supply cable from the hard disk cable. Cut the tie-wrap that secures the power supply cable to the hard disk cable (see Figure 138).

13Remove the power supply from the interior of the main unit.

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

Installing a BCM200 standard power supply

Use this procedure to install a functional standard power supply in a BCM200 main unit. The I/O card must be removed from the main unit before you perform this procedure. The base function tray 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 BCM200 standard power supply

1Obtain and use only the power supply recommended by Nortel.

2Place the new power supply into the main unit.

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