Rugged Science Cortex vX series, Руководство пользователя

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33
Getting to Know Your Cortex vX
2.3.4 Serial Port COM2
LAN4 LAN6
LAN3 LAN5
COM2 COM4
COM1 COM3
Isolated DIO
+
Power Switch
On / Off
(+)
Serial port 2 can be configured for RS-232, RS-422, or RS-
485 with auto flow control communication. Serial Port 2
default setting is RS-232 . T o use RS-422 or RS- 485, you
can change the setting in BIOS.
BIOS Setting Function
COM2
RS-232
RS-422 (5-wire)
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
The pin assignments are shown in the following table:
Serial
Port
Pin No. RS-232 RS-422
(5-Wire)
RS-422
(9-Wire)
RS-485
(3-Wire)
2
1 DCD TXD- TXD- DATA-
2 RXD TXD+ TXD+ DATA+
3 TXD RXD+ RXD+ -----------
4 DTR RXD- RXD- -----------
5 GND GND GND GND
6 DSR ----------- RTS- -----------
7 RTS ----------- RTS+ -----------
8 CTS ----------- CTS+ -----------
9 RI ----------- CTS- -----------
2.3.5 Serial Port COM1/COM3 / COM4
LAN4 LAN6
LAN3 LAN5
COM2 COM4
COM1 COM3
Isolated DIO
+
Power Switch
On / Off
(+)