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1 com3 rs-422 and rs-485 pinouts, Table 3-8: rs-422 pinouts – IEI Integration POC-17i_19i-Series_IEI User Manual

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POC-17i/19i Series

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Short 5-6

RS-422/485

Short 8-9

RS-422/485

Short 11-12

RS-422/485

Table 3-7: COM3 RS-232/422/485 Serial Port Select Jumper Settings

The COM3 RS-232/422/485 Serial Port Select jumper location is shown in Figure 3-7.

Figure 3-7: COM3 RS-232/422/485 Serial Port Select Jumper Location

3.6.6.1 COM3 RS-422 and RS-485 Pinouts

The pinouts for RS-422 and RS-485 operation of external serial port COM 3 are detailed

below.

COM 3

RS-422 Description

Pin 1

TX-

Pin 2

TX+

Pin 6

RX-

Pin 7

RX+

Table 3-8: RS-422 Pinouts

See also other documents in the category IEI Integration Computers: