Page 3 DESCRIPTION
Terminal blocks:
+ 12Vdc power supply input or 12Vdc output (max. 100mA,
if present Esse-ti power supply)
- Negative pole
AI Given alarm indicator light
AR Received alarm indicator light
+12 12Vdc output (max. 100mA)
C Common terminal for inputs AL1 and IN1
- Negative pole
AL1 Alarm input 1
AL2 Alarm input 2
IN1 Filter input
ALT2 Output for connecting loudspeaker of passive handsfree
terminal
MIC2 Input for connecting microphone of passive handsfree or
single microphone
MIC3 Input for connecting microphone of passive handsfree or
single microphone
- Negative pole
TEL Local Telephone
RL1 Relay
Ground terminal for telephone line
LTI Telephone line input
- Negative pole
V + Pit active handsfree