User's Guide

Troubleshooting 27
80-67736-1 Rev. X1
TROUBLESHOOTING
PROBLEM SOLUTION
No dial tone • Verify that the telephone is plugged into the NIU.
• Verify that the antenna is connected and not
cross-threaded.
• Verify that the power cables are properly
connected.
• Verify that the NIU is receiving a sufficiently
strong signal from the service provider. Dial
#91951# and adjust the position of the antenna or
NIU to maximize the beep rate.
• If none of these solutions solve the problem,
contact your service provider.
Dialed telephone
number does not
connect
• Check the dialed number again for misdialed or
incorrect digits.
• If there is a rejection tone, the call type is
restricted.
• If there is a busy tone, the network system may be
busy. Wait a few minutes and dial again.
Data call or fax
transmission is
not successful
• Verify services are available from your provider.
• Recheck your hardware connections and software
configuration.
– Is the correct modem port selected?
– Is the baud rate set to 19200 or lower?
• Was the phone number you dialed a data number?
• Did you add #3282 (#DATA) to the data phone
number?
– Try to call a known data number.
• Did you add #329 (#FAX) to the fax phone
number?
niu.book Page 27 Friday, January 8, 1999 11:04 AM