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COMSPHERE 3800 Series Modems – Model 3830
A-2 August 1998 3830-A2-GB91-30
Table A-1
Modem Health
Symptom
Action
Modem did not pass
power-up self-test
Contact your customer service representative.
Power LED does
not light
Make sure the modem’s ON/Off switch is in
the ON position.
g
Make sure the ac power transformer is
connected to the ac power receptacle.
If the Power LED does not operate, contact
your customer service representative.
A problem is suspected
after the power-up
self-test
Perform a self-test using the AT&T9
command.
Perform a local analog loopback with a Pattern
test. If the modem consistently registers
errors contact your customer service
errors, contact your customer service
representative.
If the modem passes the above tests and a
problem still exists, then the problem is likely
not with your modem.