Intel Computer Hardware half-size single board computer Manual de usuario Pagina 32

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HS-872P Users Manual Hardware Setup
Serial Port Jumper Setting 32
2.12 <Serial Port Jumper Setting >
The board supports one RS232 serial port and one jumper selectable RS232/422/485 serial
ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating modes for
COM2.
Connector: CN_COM1/2
Type: 10-pin (5 x 2) 2.54mm x 2.54mm-pitch header for COM2
Pin Description Pin Description
1 DCD/422RX-/485- 2 RXD/422RX+/485+
3 TXD/422TX+ 4 DTR/422TX-
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N/C
JCSEL1 JCSEL2
RS-232
RS-485
RS-422
2
1
12
11
6
2
5
1
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