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.
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.