Nortel Meridian Meridian 1 Maintenance Manual page 200

188 Chapter 4: Diagnosing faults
Diagnostic procedure 7
Dial-up problem (continued)
operational? See
ÒTesting the modemÓ
Testing the modem
Make a telephone call to
the modem. You should
hear a high-pitched tone
when the modem answers.
553-3211-510 Standard 1.0 October 1998
7.1
Is the modem
box.
YES
Go to
7.2
NO
continuous ringback
Log in as maint and
use the resetmodem
command.
Restart the system.
See Procedure 2:
SBC restart.
One of the following
items is defective and
should be replaced:
¥ External modem
¥ MVME712 card
¥ Application Module
¥IPE Module
Do you hear
(fast busy)?
YES