Maple Systems Windows Embedded CE 6.0 Pro Edition - Manual (Page 14)

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 +