IEI Integration S12A v3.00 - Manual (Page 30)

SAILORPC-12A Panel PC
Page 20
Figure 3-7: CF Mode Selection Jumper Location
3.4.4 COM2 RS-232/422/485 Setup
Jumper Label: JP17 and JP18
Jumper Type: 3-pin and 12-pin headers
Jumper Settings: See Table 3-4 and Table 3-5
Jumper Locations:
See Figure 3-8
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 (Default)
2-3 RS-422/485
Table 3-4: COM2 RS-232/422/485 Setup (JP17)
Pin Description
1-2, 4-5, 7-8, 10-11 RS-232 (Default)
2-3, 5-6, 8-9, 11-12 RS-422
2-3, 5-6 RS-485
Table 3-5: COM2 RS-232/422/485 Setup (JP18)