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3. connector sub-db9 – Microsens RS-232 User Manual

Page 7

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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

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