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C1642M-A (1/05) 19
Figure 8.
RS-422 Data Communication Wiring
0
1
2
3
4
5
6
7
8
9
RS-422
DATA SELECTION
RS-422 DATA CONNECTIONS BETWEEN DEVICE A AND FR85011 RECEIVER
1 (TX+) DATA OUT+
2 (TX-) DATA OUT-
3 (RX+) DATA IN+
4 (RX-) DATA IN-
5
6
7
8
GND
RX+
RX-
TX+
TX-
FT85011
TRANSMITTER –
DATA CONNECTOR
0
1
2
3
4
5
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9
RS-422
DATA SELECTION
RS-422 DATA CONNECTIONS BETWEEN DEVICE B AND FT85011 TRANSMITTER
DEVICE B
RS-422
DEVICE A
FR85011
RECEIVER –
DATA CONNECTOR
1 (TX+) DATA OUT+
2 (TX-) DATA OUT-
3 (RX+) DATA IN+
4 (RX-) DATA IN-
5
6
7
8
GND
RX+
RX-
TX+
TX-
RS-422
C1642M-AFT85011.bookPage19Wednesday,January19,200512:46PM