A bit array that contains the value of the
fan status. This is a packed bit string. The
status of each fan is encoded into one bit.
bit value meaning
--------- -------
0 fan failure.
1 fan good.
There are two fans per VLAN Switch chassis in this release.
The following shows the meaning of each bit:
(bit 0 is the least significant bit).
bit position meaning
------------ -------
4-31 reserved
3 fan4 status
2 fan3 status
1 fan2 status
0 fan1 status