Advantech PCM-9386 Manuel d'utilisateur télécharger pdf (Page 26)

EBPC-3500 User Manual 18

3.2 Jumper Setting for Rear COM Mode (RS-232/

422/485)

The COM port located on the rear plate can be configured to operate in RS-232, RS-

422 or RS-485 mode. It is not only set by the SBC but also set by the I/O board.

Please refer to the table as below to set the jumper, JP1 and JP2, to meet the mode

you need. (Please refer to the setting on the SBC by reading the PCM user manual.)

Figure 3.2 JP1 and JP2 jumper setting for RS-232 mode

Table 3.3: Jumper Setting for COM Mode (RS-232/422/485) on the I/O

Board

Mode Setting

RS-232 (default) JP1 and JP2 (1-2 closed, 4-5 closed)

RS-422 JP1 and JP2 (2-3 closed, 5-6 closed)

RS-485 JP1 and JP2 (2-3 closed, 5-6 closed)

JP2

JP1

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 37 38

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Advantech PCM-9386 Manuel d'utilisateur Page 26