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IBX-530B-270 Embedded System

Page 25

3.5.6 COM3 RX Function Select Jumper

Jumper Label: JP9

Jumper Type:

8-pin header

Jumper Settings:

See

Table 3-9

Jumper Location:

See

Figure 3-6

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 3-9.

COM3 RX Function Select Description

Short 3-4 RS-232 Default

Short 1-2, 5-6 RS-422

Short 1-2, 7-8 RS-485

Table 3-9: COM3 RX Function Select Jumper Settings

The COM3 RX Function Select jumper location is shown in Figure 3-6.

Figure 3-6: COM3 RX Function Select Jumper Location

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 132 133

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