To Switch The Internal Sw8 According To The Placement - Advantech UNO-3483G Series User Manual

2.2.4

To switch the internal SW8 according to the placement

SW8
 COM2 RS422 Tx and RS485 D+/D- termination (pin1-pin8)
UNO-3483G User Manual
Figure 2.4 SW8 Location
Figure 2.5 With termination (default)
Figure 2.6 Without termination
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