TERMINAL BLOCKS
Page 3
TERMINAL BLOCKS
+
Power supply input 12 Vdc
-
Negative
AI
Given alarm indicator light
AR
Received alarm indicator light
+12
12 Vdc output (max. 100 mA)
C
Common terminal
(1)
for inputs AL1 and IN1
-
Negative
AL1
Alarm input
(2)
1
AL2
Alarm input
(2)
2 / Auxiliary input
(2)
/ Reset input
(2)
IN1
Filter input
(2)
/ Reset input
(2)
ALT2
Output for connecting loudspeaker of passive speaker unit
MIC2
Input for connecting microphone of passive speaker unit or single
microphone
MIC3
Input for connecting microphone of passive speaker unit or single
microphone
-
Negative
TEL
Local telephone
RL1
Relay
(3)
RL1
Relay
(3)
Ground terminal for telephone line
LTI
PSTN-line or universal gateway input
LTI
PSTN-line or universal gateway input
BUS+
Bus for connecting 2W
speaker units
BUS
-
Bus for connecting 2W speaker units
(1)
:
can be connected to a block
–
, to the block +12 or to an external reference
(2)
:
allows to connect voltage free contact pushbuttons (NO or NC) or powered pushbuttons
(3)
:
free contact NO
