1.3.2.4 Set of alarms, resets and commands
1.3.2.4.1 Alarms
The RMAB can receive 5 alarms:
- one from the system CPU,
- 4 external ones.
Note:
The two system CPU alarms are configured in wired OR.
1.3.2.4.2 Resets
The RMA board can send a reset to each of the CPUs (main and standby).
Note:
One reset per CPU board.
These two resets are inhibited during reset of the RMAB.
1.3.2.4.3 Commands
Two commands carried out by relay contact are available.
The current loop must not exceed 1A/30V or 400mA/60V.
Caution:
The maximum switching voltage is 60V at relay contact level.
1.3.2.5 External interface
This module comprises:
- DIN 96 pin connector (V24, alarms, Resets, commands, APA),
- two metric connectors for board power supply,
- one EMI protection for the V24 ports.
1.3.2.6 Power supply
The power supply for the board is provided by the PABX -48V.
The converter delivers the 5V/1.8A and 12V/60mA required for its operation.
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