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34 en | NurseCall Relay Unit
F.01U.252.722 | V1 | 2011.12 User Manual Bosch Security Systems
A.5 Connectors
A.5.1 LINE socket (unit bottom)
A.5.2 Power socket (unit bottom)
A.5.3 RS-232 socket (Relay Plus Unit rear)
A.5.4 RS-485 socket (unit rear)
LINE socket Wiring
1. Flash Data GND
2. Not used
3. Not used
4. Not used
5. Not used
6. Flash Data IN/OUT
1
23
4 5
6
10V AC socket Wiring
1. Not used
2. AC-1 10-12VAC
3. AC-2
4. GND
1
23
4
RS-232 socket Wiring
1. ---
2. TXD (RXD)
3. RXD (TXD)
4. ---
5. GND
6. ---
7. ---
8. ---
9. ---
123
4
5
6
879
RS-485 socket Wiring
1. Relay output (a)
2. RS485 (A)
3. Termination = RS485 (A)
4. RS485(A) when jumper end line is placed
5. RS485 (B)
6. Relay Output (b)
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