GETTING STARTED PAGE 3
3. GETTING STARTED
Description
The B1290 is housed in a metal case with plug-in terminal blocks and jacks for field wiring. Table 1 and Figure 1
show the connection points to the B1290. Figure 3 shows how wiring connections are made to the unit.
Table 1 ProTalk Wiring Connections
RADIO ALARMS
1Radio TX 1 Alarm 1 Input
2 Radio RX 2 Alarm 2 Input
3 PTT Output 3 Alarm 3 Input
4 COS Input 4 Alarm 4 Input
5 Ground 5 Alarm 5 Input
6 ACK Input 6 Alarm 6 Input
7 Ground 7 Alarm 7 Input
8 +11.5 to +28 power (Version 1) 8 Alarm 8 Input
+10 to +30V power (Version 2) 9 Ground
10 Ground
RELAYS
1 Relay 1 NC POWER
2 Relay 1 Common 2.1mm power, centre ground
3 Relay 1 NO
4 Relay 2 NC PHONE
5 Relay 2 Common RJ11 Line 1
6 Relay 2 NO
7 Relay 3 NC PGM
8 Relay 3 Common RJ11 Line 1
9 Relay 3 NO
10 Relay 4 NC EXP
11 Relay 4 Common 2.1 mm mono, centre data
12 Relay 4 NO
SERIAL – RS232 (Ver.1) SERIAL – USB (Ver.2)
2 RXD 1 VBus
3 TXD 2 D1
4DTR 3 D+
5 GND 4 GND
6DSR
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