Table 2.21: D-Sub Conn 26P Pin Assignments - Advantech ARK-1388V User Manual

2.2.3.4 COM2~4
ARK-1388V provides one D-sub 26-pin connector, which offers 1 x RS-232 and 2 x
RS-232/422/485 serial communication interface ports. Default setting is RS-232, if
you want to use RS-422/485, you can find the jumper installation SW3/4/5/6 jumper
setting in 2.13.

Table 2.21: D-SUB CONN 26P pin assignments

Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
To connect with your devices, please use cable from package, P/N: 1700012535
which is D-sub 26pin to 3 x serial ports cable. COM2~3 support RS-232/422/485 but
COM4 supports RS-232 only.
ARK-1388V User Manual
signal name
DCD0#
RX0#
TX0#
DTR0#
DCD2#
RX2#
GND
CTS2#
RI2#
DSR1#
RTS1#
CTS1#
RI1#
TX1#
RTS0#
CTS0#
RI0#
DSR2#
RTS2#
TX2#
DTR2#
DCD1#
RX1#
TX1#
DTR1#
GND
22