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Appendix A
Troubleshooting
n the event you encounter a problem using your Telenetics modem,
refer to the troubleshooting information in this appendix.
,
IMPORTANT
If you encounter a problem with your modem, be sure
the switches on the bottom of the modem are set to the
appropriate positions. If a switch is halfway between
an on and off setting, the modem will not operate
properly.
Problem Solving
Table A-1 offers troubleshooting solutions for modem problems.
Table A-1. Troubleshooting Suggestions
If… Perform These Procedures…
Modem does not respond to
the attached DTE and the all
LEDs are off.
Check the power supply input for your
specific model (see page 27).
Modem does not receive data,
and the DCD and RxD LEDs
are off.
The receive line pair may be
disconnected from the modem. Make
sure the transmission line connection
to the modem is accurate and secure.
The receive signal level may be below
the CD threshold. Set SW1-5 ON to
see whether configuring the modem
for a −43 dBm threshold resolves the
I
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