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Each of the three fan units cools an overlapped area in the hub covering 8 slots.
The slots covered by each fan unit are:
•
Fan 1 - slots 1-8
•
Fan 2 - slots 6-13
•
Fan 3 - slots 10-17
These 3 areas have their own temperature sensors. Also, integrated into each
fan unit is a sensor that detects a stopped or slow fan condition.
The Controller module continually monitors all the sensors via the SCI. You can
display the status of the fans and the temperature of the 8260, using the
following DMM command:
SHOW HUB
An example of the output from this command is shown in Figure 61.
Hub Information:
Hub Type: 58G5801
Backplane Information:
Backplane Type Revision
-------------- --------
Load-Sharing Power Distribution Board 0
Enhanced TriChannel Backplane 0
Ring Backplane 0
Power Supply Information:
Power Supply Status Model Number
------------ ------ ------------
1 OKAY 6000PS
2 OKAY 6000PS
3 OKAY 6000PS
4 REMOVED
Temperature Information:
Probe Location Temperature
----- -------- -----------
1 FAN_1 27 Degrees Celsius
2 FAN_2 29 Degrees Celsius
3 FAN_3 27 Degrees Celsius
Fan Information:
Fan Status
--- ------
1 OKAY
2 OKAY
3 OKAY
8260>
Figure 61. Output from Show Hub Command
92 8260 Multiprotocol Intelligent Switching Hub