Protech Systems PA-6822 User Manual page 64

4-1 DRW1-2 Port (Only for PA-6822RC)
DRW1 is used by default. If you need a second port, adopt either way
below.
Step.1
DRW1 includes two groups of
GPIO pins. The second group is
normally unused but can be
enabled by the jumper.
Set the pin-header jumper JP37
as 1-2 connected if necessary.
.
JP37: DRW1-2 control connector
SELECTION JUMPER SETTING
DRW1-2
Open
GND
Note: Manufacturing Default is GND.
PA-6822 Series User Manual
Chapter 2 System Configuration
GPIO2
JP37
GPIO1
JUMPER ILLUSTRATION
1-2
2-3
DRW1-1
(Connect
with
Y-cable)
DRW1
6
5
4
3
DRW1-2
2
1
3
1
JP37
3
1
JP37
6
5
4
3
2
1
6
5
4
3
2
1
Page 63