Com1 Data/Power Selection (Jp7); Com3 Data/Power Selection (Jp8); Com2 Data/Power Selection (Jp11); Com4 Data/Power Selection (Jp12) - AXIOMTEK CAPA110 User Manual

CAPA110/111 AMD Embedded G-Series Processor Capa Board with LVDS
2.3.5

COM1 Data/Power Selection (JP7)

The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper. When COM1 is set to +5V or +12V level, please make sure the
communication mode is RS-232 (see section 2.3.4).
Function
Power: Set COM1 pin 1/CN8 pin 1 to +5V level
Data: Set COM1 pin 1/CN8 pin 1 to DCD (Default)
Power: Set COM1 pin 9/CN8 pin 8 to +12V level
Data: Set COM1 pin 9/CN8 pin 8 to RI (Default)
2.3.6

COM3 Data/Power Selection (JP8)

The COM3 port has +5V level power capability on DCD and +12V on RI by setting this
jumper.
Function
Power: Set CN7 pin 1 to +5V level
Data: Set CN7 pin 1 to DCD (Default)
Power: Set CN7 pin 8 to +12V level
Data: Set CN7 pin 8 to RI (Default)
2.3.7

COM2 Data/Power Selection (JP11)

The COM2 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper.
Function
Power: Set CN9 pin 1 to +5V level
Data: Set CN9 pin 1 to DCD (Default)
Power: Set CN9 pin 8 to +12V level
Data: Set CN9 pin 8 to RI (Default)
2.3.8

COM4 Data/Power Selection (JP12)

The COM4 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper.
Function
Power: Set CN7 pin 11 to +5V level
Data: Set CN7 pin 11 to DCD (Default)
Power: Set CN7 pin 18 to +12V level
Data: Set CN7 pin 18 to RI (Default)
Board Layout and Pin Assignments
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
Setting
1-3 close
3-5 close
2-4 close
4-6 close
11