Com4 Data/Power Selection (Jp7); Com3 Data/Power Selection (Jp8); Auto Power On (Jp10); Com2 Data/Power Selection (Jp11) - AXIOMTEK CAPA841 User Manual

2.3.5

COM4 Data/Power Selection (JP7)

The COM4 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper.
Function
Power: Set CN11 pin 11 to +5V level
Data: Set CN11 pin 11 to DCD (Default)
Power: Set CN11 pin 18 to +12V level
Data: Set CN11 pin 18 to RI (Default)
2.3.6

COM3 Data/Power Selection (JP8)

The COM3 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper.
Function
Power: Set CN11 pin 1 to +5V level
Data: Set CN11 pin 1 to DCD (Default)
Power: Set CN11 pin 8 to +12V level
Data: Set CN11 pin 8 to RI (Default)
2.3.7

Auto Power On (JP10)

If JP10 is enabled for AC power input, the system will be automatically power on without
pressing soft power button. If JP10 is disabled for AC power input, it is necessary to
manually press soft power button to power on the system.
Function
Disable auto power on (Default)
Enable auto power on
Note
2.3.8

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, see section 4.4.
Function
Power: Set COM2 pin 1 to +5V level
Data: Set COM2 pin 1 to DCD (Default)
Power: Set COM2 pin 8 to +12V level
Data: Set COM2 pin 8 to RI (Default)
Board and Pin Assignments
Setting
1-2 close
2-3 close
This function is similar to the feature of power on after power failure,
which is controlled by hardware circuitry instead of BIOS.
CAPA841/842 Capa Board
Setting
1-3 close
3-5 close
2-4 close
4-6 close
Setting
1-3 close
3-5 close
2-4 close
4-6 close
Setting
1-3 close
3-5 close
2-4 close
4-6 close
11