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USB to RS-422/485 Serial Adapter
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2
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8
9
10
7
Default jumper setting is Open (disconnect 120
ohms termination resistor across the two wires)
DP 2-Port RS422/485 PCI Adapter Card
Figure 3: ID-P20111-S1 Pin Layout
J10
J9
1
...
...
5
6
7
8
9
...
...
20
