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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
