User`s manual

EP850 All-In-One EPIC Board User’s Manual
Jumpers and Connectors
12
2.3.5 COM1~COM2 Mode Selection Jumpers (JP11,
JP13)
These jumpers select the COM1, COM2 ports’ DCD and RI mode.
Description Function Jumper Setting
Pin 1=12V
Pin 1=5V
*Pin 1=DCD
(Default)
Pin 9=12V
Pin 9=5V
COM1 (JP13)
*Pin 9=RI
(Default)