2.2.3 JP19 Internal / External Power selection
The OME-DB-889D requires single +5V power supply. the connector CN5 are used for the external power supply connection. The OME-A-82X series multi-function card offers +5V power from the 37 pin connector , The OME-DB-889D can be directly from the PC I/O bus by connecting the OME-A-82Xseries multi-function card.
JP19
From PC’s +5V Power  | From the CN5 input External +5V power  | 
Default Setting  |    | 
2.2.4 JP18 Local / Remote Gain control
The OME-DB-889D provides local and remote control and the selection depends on the setting of the switch SW1.
JP18
L  | R  | L  | R  | 
   |    | 
Remote Gain Control  | Local Gain Control  | 
Default Setting  |    |    | 
Note:
“L” Local Gain control : “R” Remote Gain control : control
from OME-DB-889D on board dip switch setting from OME-A-82X series A/D card digital output
OME-DB-889D User’s Manual | 6  |