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Description:
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stackHealthMonitor OBJECT-TYPE
SYNTAX OCTET STRING (SIZE (256))
ACCESS read-only
STATUS mandatory
DESCRIPTION
"< FOR fh800u Dual-Speed Hub DEFINITION : >
There are two kinds of hubs: 12 ports
need (1+ 12 + 1 + 1 + 1 + 1 +1 +1 +1) 20 bytes
and 24 ports
need (1+ 24 + 1 + 1 + 1 + 1 +1 +1 +1) 32 bytes
The maximum size:
256 bytes (total for 8 hubs)=8 hub * (1+ 24 + 1 + 1 + 1 +1 +1 +1 +1) bytes
byte256 byte255......................byte2 byte1
bit7 bit6 ... bit1 bit0
Use the first byte of each hub to indicate whether 20 or 32 bytes is used.
BYTE 1: total number of ports on a hub
00001100 : 12 ports
bit7... bit0
00011000 : 24 ports
bit7... bit0
For 12-port hub
-- Lines deleted.
BYTE 32 : Hub Position(Hub ID)/Bus Termination
bit 0 - 3 : hub position
0000 - invalid
0001 - 1
0010 - 2
0011 - 3
0100 - 4
0101 - 5
0110 - 6
0111 - 7
1000 - 8
1001 to 1111 - reserved
bit 4 : termination status
0 - not end hub
1 - end hub in the stack
bit 5 - 7 : reserved"
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