USB to RS-422 & RS-485 Adapter
-6-
Terminal Block
Pin#
Definition
Description
1. TX+
2.
TX
TX-
3. RX+
4.
RX
RX-
5.
G
GND
1 TX+
RX+ 3
2 TX-
RX- 4
3 RX+
TX+ 1
4 RX-
TX- 2
5 GND
GND 5
1.
D+(TX)
D+(TX)
1
2.
D-(RX)
D-(RX)
2
D+(TX)
3
D-(RX)
4
Pin#
Definition
Description
1. D+(TX)
2.
1
D-(RX)
3. D+(TX)
4.
2
D-(RX)
5.
G
GND
1 D+(TX)
2 D-(RX)
3 D+(TX)
D+(TX)
3
4 D-(RX)
D-(RX)
4
UTS-422TB
RX TX
G
-
+
-
+
5 4 3 2 1
UTS-485TB
2 1
G
-
+
-
+
5 4 3 2 1