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7

8

9

1010-1017 Rev. 00 14

COM1 [RS-485 2/4 W] Port, COM3[RS-485] Port

Pin out of DE9S (female) connector

Pin#

COM1 [RS-485

2W]

COM1 [RS-485

4W]

COM3[RS-485

2W]

1

TX/RX -

RX -

2

TX/RX +

RX +

3

TX -

4

TX +

5

Signal Ground

6

TX/RX -

7

8

9

TX/RX +