T/r option, Rs232 communication, Rs232 jumper configurations – Digi-Star RD 2500 User Manual
Page 4: Rs232 terminal block connections, Default remote communication, Default jumper configurations, Default terminal block connections
RD
2500
T/R Option
The RD2500 can be equipped with a T/R Radio Control feature.
This option allows the operator to “Advance Ingredient” or “Tare”
the indicator using a hand held remote control.
RS232 Communication
The RD2500 can be equipped to communicate via RS232
instead of the default remote communications method.
RS232 Jumper Configurations
JP4 open
JP5 installed
9600 Baud
JP3 open
1200 Baud
JP3 installed
RS232 Terminal Block Connections:
1 Red/Orange
12V DC
2 White
No Connection
3 Green
No Connection
4 Yellow
Data
5 Black/Blue
Gnd
NOTE: Wire colors for RS232 may not match PCB labeling
Default Remote Communication
Default Jumper Configurations
JP4 installed
JP5 open
Default Terminal Block Connections:
1 Red/Orange
12V DC
2 White
Remote Zero
3 Green
Segment
4 Yellow
Clock
5 Black/Blue
Gnd