EXP Computer ThinCom PCMCIA Ethernet Modem Adapter - Manual (Page 23)

TROUBLESHOOTING TROUBLESHOOTING
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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