APC - AlphaCom Program & Clock Board
From Zenitel Wiki
Highlights
- System master clock (two-phase - 16.384 Mhz) and module reset
- Circuitry for 6 audio program feed channels
- Can be fed by any analog source
- Galvanic isolated input via 600 ohm transformer to avoid noise problems
- Adjustable sensitivity (gain)
- 6 alarm inputs
- 2 internal alarms
- Fan control
- Coded connector to ensure correct positioning in the module
- Power connector (6-pin socket source) for hot plug-in cable
- Reset button in front
