DSE DSE8610 - Page 67

Viewing The Instrument Pages
67
Example 1 continued – Modem diagnostics
Modem diagnostic screens are included; press when viewing the RS232 Serial Port instrument to cycle the
available screens. If you are experiencing modem communication problems, this information will aid
troubleshooting.
Serial Port
Serial PortSerial Port
Serial Port
RTS
RTSRTS
RTS
CTS
CTSCTS
CTS
DSR
DSRDSR
DSR
DTR
DTRDTR
DTR
DCD
DCDDCD
DCD
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
Modem CommandsModem Commands
Modem Commands
Rx: OK
Rx: OKRx: OK
Rx: OK
Tx: AT+IPR=960
Tx: AT+IPR=960Tx: AT+IPR=960
Tx: AT+IPR=9600
00
0
Rx: OK
Rx: OKRx: OK
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.
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