Ax93275 Jumper Settings; Com1 Data/Power Selection (Jp1) - AXIOMTEK PICO300 User Manual

PICO300 Pico-ITX Board
A.5

AX93275 Jumper Settings

Properly configure jumper settings on the AX93275 I/O board to meet your application purpose.
Below you can find a summary table of all jumpers and onboard default settings.
Once the default jumper setting needs to be changed, please do it under power-off
condition.
Note
Jumper Description
COM1 Data/Power Selection
JP1
Default: RS-232 Data
A.5.1

COM1 Data/Power Selection (JP1)

The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
JP1. When this port is set to +12V or +5V level, please make sure its communication
mode is RS-232 (see BIOS setting in section 4.4).
Function
Power: Set CN6B pin 1 to +5V level
Data: Set CN6B pin 1 to DCD (Default)
Power: Set CN6B pin 9 to +12V level
Data: Set CN6B pin 9 to RI (Default)
58
CN6B Pin 1: DCD
CN6B Pin 9: RI
Setting
1-3 close
3-5 close
2-4 close
4-6 close
Setting
3-5 Close
4-6 Close
I/O Boards (Optional)