Acrosser AMB-IH61T3 (Mini-ITX) User Manual
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[14] RS485 Header (COM3, 3*1 Pin 2.54mm)
Location
Header
Pin
Definition
Pin
Definition
J_1
1
RS485-
2
GND
3
RS485+
[15] COM7-10Headers（20*2 Pin 2.00 mm）
Location
Header
Pin
Definition
Pin
Definition
J_COM7-10
1
COM7_DCD
2
COM7_RXD
3
COM7_TXD
4
COM7_DTR
5
GND
6
COM7_DSR
7
COM7_RTS
8
COM7_CTS
9
COM7_RI
10
GND
11
COM8_DCD
12
COM8_RXD
13
COM8_TXD
14
COM8_DTR
15
GND
16
COM8_DSR
17
COM8_RTS
18
COM8_CTS
19
COM8_RI
21
COM9_DCD
22
COM9_RXD
23
COM9_TXD
24
COM9_DTR
25
GND
26
COM9_DSR
27
COM9_RTS
28
COM9_CTS
29
COM9_RI
30
GND
31
COM10_DCD
32
COM10_RXD
33
COM10_TXD
34
COM10_DTR
35
GND
36
COM10_DSR
37
COM10_RTS
38
COM10_CTS
39
COM10_RI
40
GND