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1 com2 rs-422 and rs-485 pinouts, Figure 4-19: com 2 function select jumper location, Table 4-6: com 2 function select jumper settings – IEI Integration PPC-37xx-N270 v2.00 User Manual

Page 60: Table 4-7: rs-422 pinouts, Table 4-8: rs-485 pinouts

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PPC-37xx-N270 Panel PC

Page 46

Short 5-6

RS-485

Table 4-6: COM 2 Function Select Jumper Settings

The COM 2 Function Select jumper location is shown in Figure 4-19.

Figure 4-19: COM 2 Function Select Jumper Location

4.10.6.1 COM2 RS-422 and RS-485 Pinouts

The pinouts for RS-422 and RS-485 operation of external serial port COM 2 are detailed

below.

COM 2

RS-422 Description

Pin 1

TX-

Pin 2

TX+

Pin 6

RX-

Pin 7

RX+

Table 4-7: RS-422 Pinouts

COM 2

RS-485 Description

Pin 1

Data-

Pin 2

Data+

Table 4-8: RS-485 Pinouts