Aaeon SBC-357, Руководство пользователя

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20 SBC-357 User Manual
Serial port connectors (CN7, CN8, CN9,
CN11)
The SBC-357 offers three RS-232 serial ports, and one RS-232/
422/485 serial port. You can select or disable the address for
each port with the BIOS Peripheral Setup program.
The card mounting bracket holds COM1(CN8), the DB-9 serial
port connector for the first port. The COM port connectors on
the SBC-357 board are CN7 (COM2), CN9 (COM3), CN11
(COM4). The COM2 can be assigned as RS-232 I/F or RS-422/
485 I/F. The following sections describe how to make connec-
tions.
RS-232 connector (CN8, CN9, CN11)
The following table shows the pin assignments for the card's RS-
232 port:
RS-232 connector (CN8, CN9, CN11)
Pin Signal
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
10 NC