Advantech MOS-1120Y Series, Руководство пользователя, Страница: 20 / 34

MOS-1120Y/1121Y Series User Manual 12
3.1 MOS-1120Y-0202E
The following table shows the pin assignments of the two male DB9 connectors on
the iDoor bracket for the MOS-1120Y-0202E card in RS-232 mode.
3.2 MOS-1121Y-0202E
The following table and figure shows the pin assignments of the two male DB9 con-
nectors on the iDoor bracket for the MOS-1121Y-0202E card in RS-422 and RS-485
modes.
Table 3.1: MOS-1120Y-0202E Male DB9 on iDoor Bracket
Pin RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Table 3.2: MOS-1121Y-0202E Male DB9 on iDoor Bracket
Pin RS-422 RS-485
1 Tx- Data-
2 Tx+ Data+
3 Rx+ -
4 Rx- -
5 GND GND
6 RTS- -
7 RTS+ -
8 CTS+ -
9 CTS- -