Advantech UNO-1150 User Manual download pdf (Page 19)

2.3.4 RS-232/422/485 Selection

COM2 and COM3 support 9-wire RS-232, RS-422 or RS-485 interfaces,

and you can set corresponding jumpers to select serial ports as RS-232 or

RS-422/485 interfaces shown in Table 2.2. Please note to reset the system

to adapt this configuration change

The system detects RS-422 or RS-485 signals automatically in RS-422/

485 mode.

Jumper Setting for RS-422/485 Interface: (Default Setting)

Figure 2.5: RS-422/485 Jumper Settings

Jumper Setting for RS-232 Interfaces:

Figure 2.6: RS-232 Jumper Settings

Table 2.2: Selecting RS-232/422/485 (COM2&3)

Serial Port Corresponding Jumper to Select RS-232/422/485

COM2 CN11

COM3 CN4

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 47 48

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Advantech UNO-1150 User Manual Page 19