1 db-9p com port connector, Db-9p com port connector, Table 1-6 – ADLINK MXE-200i User Manual
Page 27: Db-9p com port pin assignment, Figure 1-7, Db-9p com port
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Introduction
13
MXE-200
1.7.1
DB-9P COM Port Connector
2 serial ports connect via DB-9P connectors.
COM1 supports RS-232, and the other selectively supports RS-
232/ RS-422/ RS-485 mode by BIOS setting.
Figure 1-7: DB-9P COM Port
Table 1-6: DB-9P COM Port Pin Assignment
Pin
Signal
RS-232
RS-422
RS-485
1
N/C
TXD422-
485DATA-
2
RXD
TXD422+
485DATA+
3
TXD
RXD422+
N/C
4
N/C
RXD422-
N/C
5
GND
N/C
N/C
6
N/C
N/C
N/C
7
RTS#
N/C
N/C
8
CTS#
N/C
N/C
9
N/C
N/C
N/C
1
5
6
9
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