Commell LE-575 Manual de usuario Pagina 36

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LE-575 User’s Manual
36
2.14 <Serial Port Jumper Setting >
The board provides six RS232 serial ports, with jumper selectable RS422/485 for COM2.
Connector: CN_COM2
Type: 10-pin (5 x 2) header
Pin Description Pin Description
1 DCD/422TX-/485- 2 RXD/422TX+/485+
3 TXD/422RX+ 4 DTR/422RX-
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N/C
Jumper: JCSEL1/2
Type: onboard 12-pin and 6-pin header
CN_COM2
JCSEL2
JCSEL1
6 2
5 1
1
2
9
10
11 1
12 2
11
1
12
2
5
1
6
2
RS232 RS485 RS422
JCSEL1
JCSEL2
Default setting
11
1
12
2
5
1
6
2
11
1
12
2
5
1
6
2
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