Nortel Networks manual Removing a fan from the BCM1000e

202 Chapter 17 Adding or replacing a cooling fan

4Connect the power supply cables for each fan to the SSM board. Refer to Figure 105 on page 199.

Note: Piggy-backed redundant fan

Connect the redundant power supply cable to the power cable adapter. Refer to Figure 109.

Then connect the power cable adapter to an available power supply cable.

Figure 109 Connect the redundant fan cable to the adapter

Redundant fan connector

Redundant fan adapter

Spare power supply connector

5Replace the cover.

6Restore the unit to operation. For details, refer to “Restarting the system” on page 170.

The Business Communications Manager system starts up when you connect the ac power cord. This takes several minutes to complete.

Removing a fan from the BCM1000e

The BCM1000e comes either with one fan or a redundant fan set. The single-fan unit is not upgradeable.

Follow these steps to remove a malfunctioning fan:

1Shut down the system following the directions in “Removing a fan from the BCM1000” on page 198.

2Disconnect the fan power cable from the hub card.

Note: If the unit has redundant fans, each fan has a connector on the hub board.

3Locate the screws that fasten the fan casing to the unit back wall and remove them. Refer to Figure 110.

4Remove the four screws that hold the fan to the BCM1000e.

5Lift the failed fan out of the unit.

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