Pinouts

Base Station rear connectors

ClosedDECT SYNC (connector E)

S
  Sync In Sync Out
Pin 1 DECTSYNC + DECTSYNC +
Pin 2 DECTSYNC -DECTSYNC -
Pin 3 8 KHZ+ 8 KHZ+
Pin 6 8 KHZ- 8 KHZ-

ClosedPartyline (connectors F)

Pin Description
Pin 1 Ground (shield)
Pin 2 Power
Pin 3 Audio

Closed4-wire intercom (connectors G)

ClosedGPIO/DB15 connector (K)

GPIO pinouts

Pin Description
Pin 1 Relay 1 COM
Pin 2 Relay 1 NC
Pin 3 Relay 1 NO
Pin 4 Relay 2 COM
Pin 5 Relay 2 NC
Pin 6 Relay 2 NO
Pin 7 Input 1 (Ground to activate)
Pin 8 GND
Pin 9 Relay 3 COM
Pin 10 Relay 3 NC
Pin 11 Relay 3 NO
Pin 12 Relay 4 COM
Pin 13 RELAY 4 NC
Pin 14 RELAY 4 NO
Pin 15 Input 2 (Ground to activate)