Advantech MIO-5251 User Manual page 63

CN21
Part Number
Footprint
Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MIO-5251 User Manual
COM3/COM4
1653004793
HD_10x2P_79_23N685B-20M10
BOX HEADER 10x2P 2.0mm 180D(M)SMD 23N685B-20M10B
Pin Name
422TX3-/485D3-/DCD3#
DSR3#
422TX3+/485D3+/RXD3
RTS3#
422RX3+/TXD3
CTS3#
422RX3-/DTR3#
RI3#
GND
GND
422TX4-/485D4-/DCD4#
DSR4#
422TX4+/485D4+/RXD4
RTS4#
422RX4+/TXD4
CTS4#
422RX4-/DTR4#
RI4#
GND
GND
54