Table - Advantech AIMB-253 Series User Manual

Table 2.6: J2 Pin Definition
Voltage Serial
Select Port
N/A COM2 1
JCOMP4 COM4 11
(page 2-
17)
AIMB-253 User Manual
PIN SIGNAL
422 RXD1# 2
3 422 RXD1
5 422 TXD1
7 422 TXD1# 8
9 GND
NDCD3#
13 NSIN3
15 NSOUT3
17 NDTR3
19 NDSR3#
21 NRTS3
23 NCTS3#
25 0V/5V/12V
20
PIN SIGNAL
422 RXD2# COM3 N/A
4 422 RXD2
6 422 TXD2
422 TXD2#
10 GND
12 NDCD4#
14 NSIN4
16 NSOUT4
18 NDTR4
20 NDSR4#
22 NRTS4
24 NCTS4#
26 0V/5V/12V
Serial Voltage
Port Select
COM5 JCOMP5
(page 2-
17)