Table 1 defines each status or alarm bit position.
Table 1: Status or alarm binary codes
Status or alarm | Bit position | Bit value and description | |
character |
|
|
|
position |
|
|
|
a or f | 19 | Not used | |
|
|
| |
| 18 | Not used | |
|
|
| |
| 16 and 17 | Remote control bits: | |
|
| 0:0 = Autoswitch/don’t care | |
|
| 0:1 = Channel A selected | |
|
| 1:0 = Channel B selected | |
|
| 1:1 = Not used | |
|
|
| |
b or g | 15 and 14 | Front panel switch control bits: | |
|
| 0:0 = Autoswitch/don’t care | |
|
| 0:1 = Channel A selected | |
|
| 1:0 = Channel B selected | |
|
| 1:1 = Not used | |
|
|
|
|
| 13 | 0 | = Channel A active input |
|
| 1 | = Channel B active input |
|
|
|
|
| 12 | 1 | = Cannot lock to input B |
|
|
|
|
c or h | 11 | 1 | = Cannot lock to input A |
|
|
|
|
| 10 | 1 | = Autoswitch occurred |
|
|
|
|
| 9 | 1 | = Power supply 2 fault |
|
|
|
|
| 8 | 1 | = Power supply 1 fault |
|
|
|
|
d or i | 7 | 1 | = output 8 failed |
|
|
|
|
| 6 | 1 | = output 7 failed |
|
|
|
|
| 5 | 1 | = output 6 failed |
|
|
|
|
| 4 | 1 | = output 5 failed |
|
|
|
|
e or j | 3 | 1 | = output 4 failed |
|
|
|
|
| 2 | 1 | = output 3 failed |
|
|
|
|
| 1 | 1 | = output 2 failed |
|
|
|
|
| 0 | 1 | = output 1 failed |
|
|
|
|
12 | 3: Monitoring the 4092A |
