Micro Technic Micronix RS485 - Manual (Page 5)

Users Manual & Installation Guide
PV- SERIES 4-P ORT RS232/RS422/RS485
Page 5 of 7
S
CHEMATIC
O
UTLINE
1. DCD
2. RxD
3. TxD
4. DTR
5. GND
6. DSR
7. RTS
8. CTS
9. RI
RS232
IRQ S
ELECT
(Pin column array)
I/O A
DDRESS
S
ELECT
(Rotary-switch)
RS485 (4),(2)
RS422
RS232
RS485 (2)
RS422
RS232
RS232
RS485(2)
RS232
RS485(2)
3. Tx-
4. Rx-
5. GND
8. Tx+
9. RX+
RS422
3. DATA-
4. RTS-
5. GND
8. DATA+
9. RTS+
RS485