Com1~2 Mode Selection Jumpers (Jp6, Jp5) - AXIOMTEK SHB211 Series User Manual

SHB211 Socket P Half-Size SBC User's Manual

2.3.3 COM1~2 Mode Selection Jumpers (JP6, JP5)

These jumpers select the COM1, COM2 ports' DCD and RI mode.
Description
COM1 DCD & RI
Voltage Selection
(JP6)
12
Function
Pin 1=12V
Pin 1=5V
*Pin 1=DCD
(Default)
Pin 8=12V
Pin 8=5V
*Pin 8=RI
(Default)
Jumper Setting
Jumpers and Connectors