Winco DSE7300 Series - Manual (Page 68)

DSE7200 / 7300 Series Operators Manual
68
Example 1 continued – Modem diagnostics
NOTE:- Modem diagnostic screens are available on 7300 module versions 5 and above only. The
modem screens appear only when the module has been configured for use with a modem.
Modem diagnostic screens are included; press when viewing the Serial Port instrument to cycle the
available screens. If you are experiencing modem communication problems, this information will aid
troubleshooting.
Serial Port
RTS DTR
CTS DCD
DSR
Line Description
RTS Request To Send Flow control
CTS Clear To Send Flow control
DSR Data Set Ready Ready to communicate
DTR Data Terminal Ready Ready to communicate
DCD Data Carrier Detect Modem is connected
Modem Commands
Rx: OK
TX: AT+IPR=9600
Rx: OK
Shows the state of the modem communication lines. These can
help diagnose connection problems.
Example :
RTS A dark background shows the line is active.
RTS a grey background shows that the line is toggling high and
low.
RTS No background indicates that the line is inactive
Shows the last command sent to the modem and the result of
the command.