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Auxiliary channel input (negative)AUXIN-9
Serial data input (negative)RXD-8
Serial data output (negative)TXD-7
Auxiliary channel output (negative)AUXOUT-6
Auxiliary channel input (positive)AUXIN+5
Serial data input (positive)RXD+4
Chassis groundGND3
Serial data output (positive)TXD+2
Auxiliary channel output (positive)AUXOUT+1
DESCRIPTIONSIGNALPIN
Figure 26 --- DS-200/300 connector definitions for RS-422/485
5
4
3
2
1
9
8
7
6
D-9 connector
(CN1 and CN2)
Figure 27 --- DS-200/300 Output connectors
7-7 Quatech Inc.