Removing a fan from the bcm1000e, Restore unit – Nortel Networks BCM1000 User Manual
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Chapter 18 Adding or replacing a cooling fan
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4
Connect the power supply cables for each fan to the SSM board. Refer to
5
Replace the cover.
6
Restore the unit to operation. For details, refer to
“Restarting the system” on page 240
.
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:
1
Shut down the system following the directions in
“Removing a fan from the BCM1000” on
2
Disconnect the fan power cable from the hub card.
3
Locate the screws that fasten the fan casing to the unit back wall and remove them. Refer to
.
4
Remove the four screws that hold the fan to the BCM1000e.
5
Lift the failed fan out of the unit.
Note:
Piggy-backed redundant fan
Connect the redundant power supply cable to the power cable adapter. Refer to
Then connect the power cable adapter to an available power supply cable.
Figure 126
Connect the redundant fan cable to the adapter
Note:
If the unit has redundant fans, each fan has a connector on the hub board.
Redundant fan adapter
Spare power supply connector
Redundant fan connector