2 com ports, Com ports – ADLINK MXE-1300 Series User Manual
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Introduction
1.7.2
COM Ports
The MXE-1300 provides 4 COM ports on the rear panel in the
form of D-sub 9P connectors, configured as follows. COM1 &
COM2 ports can support RS232/RS422/RS485 mode as set in
BIOS, see “Serial Port 1~4 Configuration” on page 54..
X
2x Software-programmable RS-232/422/485 (COM1 &
COM2) by DB9 connectors
X
2x RS-232 (COM3 & COM4) by DB9 connectors
WARNING:
Please ensure that DC power supply is within the input voltage
range defined in the specification, stable and low-noise, and
provides sufficient operating current.
Over- or under-voltage, unstable, or insufficiently powered DC
power supply may cause system instability and physical dam-
age.
PIN
Signal name
RS-232
RS-422
RS-485
1
DCD#
RXD422n
485n
2
RXD
RXD422p
485p
3
TXD
TXD422p
N/S
4
DTR#
TXD422n
N/S
5
GND
N/S
N/S
6
DSR#
N/S
N/S
1
5
6
9