IEI Technology PPC-5190GS, User Manual

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PPC-5190 Flat Panel PC
Page 50
3.5.4 COM2 Port RS232/422/485 Selection (JP10, JP20)
The COM Port jumper configures the COM2 serial port.
JP10 JP20 DESCRIPTION
1-2,4-5,7-8,10-11 closed 1-3 closed RS232 (default)
2-3,5-6,8-9,11-12 closed 3-5, 2-4 closed RS422
2-3,5-6,8-9,11-12 closed 3-5, 4-6 closed RS485
Table 3-4: COM2 Port Jumper Settings
3.5.5 COM port RI and Voltage Selection
Use JP7 and JP9 to set pin 9 of COM1 as signal RI or voltage source.
JP9 DESCRIPTION
2-3 closed COM1 RI PIN Use RI
1-2 closed COM1 RI PIN Use Voltage
Table 3-5: COM1 RI and Voltage Selection Jumper
JP7 DESCRIPTION
2-3 closed COM1 RI PIN Use V12V
1-2 closed COM1 RI PIN Use V5V
Table 3-6: COM1 RI Voltage Selection Jumper
NOTE:
The use of pin 2-3 or pin 1-2 of JP7 does not make any difference when pin 2-3
of JP9 is in use.
Use JP6 and JP8 to set pin 9 of COM2 as signal RI or voltage source.