Interface Description - Ebyte NB144S User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.

3.2 Interface Description

serial
name
number
1 R S232-4
2 R S232-3
3 R S232-2
4 R S232-1
5 RS422-1-R+
6 RS422-1-R-
7 GND
Copyright ©2012，Chengdu Ebyte Electronic Technology Co., Ltd.
Function
Serial port 4 -RS232
interface
Serial port 3 -RS232
interface
Serial port 2 -RS232
interface
Serial port 1 -RS232
interface
Serial port 1-RS422
interface-R+
Serial port 1-RS422
interface-R-
Serial port 1 ground
illustrate
Standard DB9 female, 2 -TXD , 3 -RXD , 5-
GND
Standard DB9 female, 2 -TXD , 3 -RXD , 5-
GND
Standard DB9 female, 2 -TXD , 3 -RXD , 5-
GND
Standard DB9 female, 2 -TXD , 3 -RXD , 5-
GND
3.81mm Phoenix terminal
3.81mm Phoenix terminal
3.81mm Phoenix terminal
NB144S User Manual
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