AXIOMTEK eBOX620-841-FL Series, User Manual

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eBOX620-841-FL Series U
ser’s Manual
Jumper Setting & Connector
27
3.2.5 COM2 Data/Power Selection (JP11)
The COM2 port has +5V level power capability on DCD and +12V level on RI by
setting this jumper. When this port is set to +5V or +12V level, please make sure its
communication mode is RS-232. You can change the communication mode (RS-
232/422/485) via BIOS setting.
Function Setting
Power: Set COM2 pin 1 to +5V level 1-3 close
Data: Set COM2 pin 1 to DCD (Default) 3-5 close
Power: Set COM2 pin 8 to +12V level 2-4 close
Data: Set COM2 pin 8 to RI (Default) 4-6 close
3.2.6 COM1 Data/Power Selection (JP12)
The COM1 port has +5V level power capability on DCD and +12V level on RI by
setting this jumper. When this port is set to +5V or +12V level, please make sure its
communication mode is RS-232. You can change the communication mode (RS-
232/422/485) via BIOS setting.
Function Setting
Power: Set COM1 pin 1 to +5V level 1-3 close
Data: Set COM1 pin 1 to DCD (Default) 3-5 close
Power: Set COM1 pin 9 to +12V level 2-4 close
Data: Set COM1 pin 9 to RI (Default) 4-6 close