4 rs-485 interface, 5 line interface, 6 power interface – Westermo TD-29P User Manual
Page 10
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GB.24
6611-2022
2-position
Screw terminal
Direction
Description
1
In/Out
2
In/Out
9-position
ITU-T V.11
Screw terminal Direrction Description Description
7
In/Out
A (T+)
Transmitter/Receiver
6
In/Out
B (T–)
Transmitter/Receiver
Connection
Description
Description
1
–
0 VDC
2
+
12–36 VDC
6.4 RS-485 Interface
5
6
7
8
9
4
3
2
1
The definition of R+/R–,T+T–
can vary between different
manufacturers.
6.5 Line Interface
1
2
Transmitter/Receiver
Transmitter/Receiver
6.6 Power Interface
1
2
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