HARDWARE DESCRIPTION
Page 3
Terminal blocks
BATT
12Vdc power supply input
AR
Received alarm indicator light
AI
Given alarm indicator light
+12
Output 12Vdc (max. 100mA)
AL1
Alarm input 1
AL2
Alarm input 2
COM
Common terminal for inputs IN1, Reset
IN1
Alarm filter input
Reset
Reset input
VV2+
Output Handsfree 2
VV2-
Common Handsfree 2
VV1+
Output Handsfree 1
VV1-
Common Handsfree 1
TEL
Local Telephone
Optional PSTN-line board
LTI
PSTN-line or universal GSM gateway input
Ground terminal
Optional relay board
RL1
Relay contact 1
RL2
Relay contact 2
Remark: for the correct operation of IN1 and Reset inputs a diode
is required between ter12 and COM (inserted by
factory).