SHENZHEN ELSKY TECHNOLOGY
2.6.2 COM3~6 pin definition:
item:COM3~6 (2*20Pin,2.0mm)
pin
Definition
1
COM3_DCD
3
COM3_TXD
5
GND
7
COM3_RTS
9
COM3-RI
11
COM4_DCD
13
COM4_TXD
15
GND
17
COM4_RTS
19
COM4-RI
21
COM5_DCD
23
COM5_TXD
25
GND
27
COM5_RTS
29
COM5-RI
31
COM6_DCD
33
COM6_TXD
35
GND
37
COM6_RTS
39
COM6-RI
2.6.3
The RS422/RS485 definition of the COM1 pin
item::COM1 (2*5Pin,2.54mm)
Signal
RS485
1(S485-)
RS422
1(TXD-)
3(RXD+)
2.7 USB pin
definition
item::F_USB1/ F_USB2(2*5Pin,2.54mm)
pin
Definition
1
VCC+5V
3
DATA0-
5
DATA0+
7
GND
9
NC
pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
Pin definition
2(S485+)
2(TXD+)
4(RXD-)
:
pin
2
4
6
8
10
- 15 -
CO.,LTDwww.miniboard.cn
Definition
COM3_RXD
COM3_DTR
COM3_DSR
COM3_CTS
NC
COM4_RXD
COM4_DTR
COM4_DSR
COM4_CTS
NC
COM5_RXD
COM5_DTR
COM5_DSR
COM5_CTS
NC
COM6_RXD
COM6_DTR
COM6_DSR
COM6_CTS
NC
:
Definition
VCC+5V
DATA1-
DATA1+
GND
GND
Pin item picture
Pin item picture