Troubleshooting
290 372 SPU 780 01EMAN May 2002
S911 Hot Standby Status (S908)Word 66 Hex
(102 Decimal) The hot standby status is valid if a redundancy system is present. It show s if the unit
is reporting present and healthy and the word also indicates if the unit is the primary
or secondary controller.
Word 4 (4xxxx + 3) - S911/R911 Hot Standby Status
System State:
Binary Number Description
01 Offline
10 Primary
11 Secondary
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
S911/R911 present and healthy
0 = Controller set to A
1 = Controller set to B
0 = Controllers logic matches
1 = Controllers logic mismatches
Remote system state
Local system state