Chengdu Ebyte Electronic Technology Co., Ltd.
NB144 User Manual
Copyright ©2012
,
Chengdu Ebyte Electronic Technology Co., Ltd.
12
terminal
8
RS422-1-T+/A
Serial port 1-RS422
interface-T+
Serial port 1-RS485
interface A
3.81mm Phoenix terminal
9
RS422-1-T-/B
Serial port 1-RS422
interface-T-
Serial port 1-RS485
interface B
3.81mm Phoenix terminal
10
GND
Serial port 1 ground
terminal
3.81mm Phoenix terminal
11
RS422-2-R+
Serial port 2-RS422
interface-R+
3.81mm Phoenix terminal
12
RS422-2-R-
Serial port 2-RS422
interface-R-
3.81mm Phoenix terminal
13
GND
Serial port 2 ground
terminal
3.81mm Phoenix terminal
14
RS422-2-T+/A
Serial port 2-RS422
interface-T+
Serial port 2-RS485
interface A
3.81mm Phoenix terminal
15
RS422-2-T-/B
Serial port 2-RS422
interface-T-
Serial port 2-RS485
interface B
3.81mm Phoenix terminal
16
GND
Serial port 2 ground
terminal
3.81mm Phoenix terminal
17
RS422-3-R+
Serial port 3-RS422
interface-R+
3.81mm Phoenix terminal
18
RS422-3-R-
Serial port 3-RS422
interface-R-
3.81mm Phoenix terminal
19
GND
Serial port 2 ground
terminal
3.81mm Phoenix terminal
20
RS422-3-T+/A
Serial port 3-RS422
interface-T+
Serial port 3-RS485
interface A
3.81mm Phoenix terminal
twenty
one
RS422-3-T-/B
Serial port 3-RS422
interface-T-
Serial port 3-RS485
interface B
3.81mm Phoenix terminal
twenty
two
GND
Serial port 3 ground
terminal
3.81mm Phoenix terminal
twenty
RS422-4-R+
Serial port 4-RS422
3.81mm Phoenix terminal