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7 com3 tx function select jumper, Table 2-8: com3 rx function select jumper settings – IEI Integration AFL-W19A_17D_W15A-N270 v3.00 User Manual

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AFL-W19A/17D/W15A-N270 Panel PC

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The COM3 RX Function Select jumper sets the communication protocol used by the RX

serial communications port COM3 as RS-232, RS-422 or RS-485. The COM3 RX

Function Select jumper settings are shown in Table 2-8.

COM3 RX Function Select

Description

Short 3-4

RS-232

Short 1-2, 5-6

RS-422

Short 1-2, 7-8

RS-485

Table 2-8: COM3 RX Function Select Jumper Settings

The COM3 RX Function Select jumper location is shown in Figure 2-11.

Figure 2-11: COM3 RX Function Select Jumper Location

2.5.7 COM3 TX Function Select Jumper

Jumper Label:

JP11

Jumper Type:

6-pin header

Jumper Settings:

See Table 2-9

Jumper Location:

See Figure 2-12

The COM3 TX Function Select jumper configures the TX pin on COM3 serial port

connector as RS-422 as an RS-485. The COM3 TX Function Select jumper selection

options are shown in Table 2-9.