Winco DSE7300 Series - Manual (Page 62)

DSE Model 7000 Series Control and Instrumentation System Operators Manual
62 Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 5 15/10/2009 ADM
Example 1 continued – Modem diagnostics
NOTE:- Modem diagnostic screens are available on 73xx 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.
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
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.