18
ENGLISH
AUDIO INPUTS 1 ÷ 7
Removable 3-pin terminal block connector 3.5mm. Max. wire section: 0.75 mm².
Pins: ground, + hot, – cold
SYSTEM AND LOCAL BUS OVERRIDE AUDIO OUTPUTS
RJ-11 connector
Pins:
1 ground, 2 audio (+ hot), 3 audio (– cold), 4-5 relay contact
LT 7208 control
RJ-45 connector
Pins:
1 line 1 open collector control, 2 line 2 open collector control
3 line 3 open collector control, 4 line 4 open collector control
5 line 5 open collector control, 6 line 6 open collector control
7 line 7 open collector control, 8 line 8 open collector control
SYSTEM BUS AND LINK (linked together in parallel) AND LOCAL BUS
RJ-45 connector
Pins: 1 System/Local audio (+ hot) 2 System/Local audio (– cold)
3 Audio GND
4 Digital GND
5 +12V
6 +24V
7 Data
8 Data
CONTROL IN/OUT 1 ÷ 8
REMOVABLE 16-PIN SCREW TERMINAL STRIPS. MAX. WIRE SECTION: 2.5 mm².
Control input pins Control output pins
(from left to right)
1
Control 1
Control 1 (open collector)
2
+24 V
+24 V
3
Control 2
Control 2 (open collector)
4
+24 V
+24 V
5
Control 3
Control 3 (open collector)
6
+24 V
+24 V
7
Control 4
Control 4 (open collector)
8
+24 V
+24 V
9
Control 5
Control 5 (open collector)
10
+24 V
+24 V
11
Control 6
Control 6 (open collector)
12
+24 V
+24 V
13
Control 7
Control 7 (open collector)
14
+24 V
+24 V
15
Control 8
Control 8 (open collector)
16
+24 V
+24 V
RS-232 PORT
Pins 1
5 GND
2 Rx Data
6
3
Tx
Data
7
4
8
CONNECTORS
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