TROUBLESHOOTINGTROUBLESHOOTING
- 19 -TROUBLESHOOTING
This section lists the common problems and possible causes and/or solutions. You may find the answer to your problem here.
Problem Solution
NO DIAL TONE !Check the phone connection on both sides of the cable.
!Ensure the telephone is an Analog line not Digital line.
!Check the telephone line by connecting a standard telephone,
listen to the normal house hold dial tone.
!Bypass Dial tone detection, add >X3' to the init string.
Cannot hear
modem speaker
!Check the computer volume setting.
!In Terminal Mode send >ATL3M1' command to the modem, this
will enable modem sound until its connection to a remote
modem with the highest volume.
The selected COM
port is either not
supported or is
being used by
other devices.
!Disable Auto-receive in the FAX program.
!Check the COM Port I/O address and IRQ setting.
Click on: Main Group => Control Panel => Ports => COM x
(x=com port 1-4)
!Ensure that only one program is using the modem.
Cannot type >>AT==
in terminal mode.
!Check the IRQ setting in your application program, make sure
that it matches the setting from the device driver.
!Some program may not support IRQ higher than 7.
Failed to connect !Check your modem choice.
!Try adding the \N1 as the last command to the init string.
Modem doesn==t fit !Make sure the computer has Type II or Type III slot.
!Check the User=s manual for the PC Card=s slot location.
Can==t Send or
Receive fax
!Ensure you select the right fax Class for the modem
or try selecting fax Class 1 with CTS/RTS (Hardware) flow
control.
Unreadable
character on the
screen
!Check and make sure the communication parameters match the
remote location, i.g., Data Bit, Parity, Stop Bit
Cannot find
modem
! Use PC Card driver utility >Cardinfo= or >PCMinfo= to make sure
modem is configured.
!Using MSD to verify that you have an additional COM port after