Microsens RS-232 - Manual (Page 7)

6
2-3. Connector
SUB-DB9
Connector
Fig. 6: Female SUB-DB9 connector definition on cable
Fig. 7: Male SUB-DB9 connector definition on device
Fig. 8: Fiber Optic Network Connection
5 Signal Ground
4 Unused
3 RS232 TXD or RS422/485-4W TX-, 2W
TX/RX-
2 RS232 RXD or RS422/485-4W RX+
1 Unused
Unused 9
RS422/485-4W RX- 8
RS422/485-4W TX+ 7
or RS485-2W TX/RX+-
Unused 6
RS232
RS422
RS485
(SUB-DB9
or Terminal
Block)
Fiber Optic Wire RX
TX
RS485/422/232
Fiber Converter
RX
TX
1 Unused
2 RS232 RXD or RS422/485-4W RX+
3 RS232 TXD or RS422/485-4W TX-, 2W
TX/RX-
4 Unused
5 Signal Ground
Unused 6
RS422/485-4W TX+ 7
or RS485-2W TX/RX+-
RS422/485-4W RX- 8
Unused 9