IEI Integration S12A v1.12 - Manual (Page 28)

SAILORPC-12A Panel PC
Page 18
Jumper Settings: See Table 3-2
This jumper sets the power mode to AT or ATX.
Pin Description
Closed ATX
Open AT
Table 3-2: AT/ATX Power
3.4.3 COM2 RS-232/422/485 Selection
Jumper Label: JP17 and JP18
Jumper Type: 3-pin and 12-pin headers
Jumper Settings:
See Table 3-3 and Table 3-4
This serial port can be set to use RS-232, RS-422 or RS-485 communication methods.
Set all the jumpers to the same settings.
Pin Description
1-2 RS-232
2-3 RS-422/485
Table 3-3: COM2 RS-232/422/485 Setup
Pin Description
1-2, 4-5, 7-8, 10-11 RS-232
2-3, 5-6, 8-9, 11-12 RS-422
2-3, 5-6 RS-485
Table 3-4: COM2 RS-232/422/485 Setup
The pinouts for RS-232, RS-422 and RS-485 communication are shown below.
Pin RS-232 Desc. RS-422 Desc. RS-485 Desc.
1 DCD TX- D-
2 RX TX+ D+
3 TX