User`s manual

SBC84833 Series All-In-One Capa Board User’s Manual
JUMPERS AND CONNECTORS
15
2.3.7 COM2 Mode Selection Jumper (JP9)
The jumper selects the DCD and RI mode of CN15 COM2 port.
Description Function Jumper Setting
COM2 CN15
Pin 1=5V
CN15
Pin 1=DCD
(Default)
CN15
Pin 8=12V
CN15
Pin 8=RI
(Default)