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TFM-PCIV92A User’s Guide
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- 15 - Rev.1.00.2.1.34
3. Make sure the data speed is not faster than your computer capability. Operating too many applications
at the same time may cause communication problem. Close unnecessary application in your system.
Problem: Modem exhibits poor voice recording or playback
Possible solutions:
1. Make sure the correct modem type is selected in the Voice/FAX software. Volume adjustment is
available in control panel.
2. Make sure your computer is fast enough to handle voice operations (38.4 Kbps). Voice operations are
CPU intensive and require a better CPU sharing when running under Windows.
Problem: No dial tone
Possible solutions:
1. Ensure that the telephone cord it securely connected at both modem and wall outlet.
2. Unplug the telephone cord from the computer and connect it directly to a telephone from the wall outlet.
Check for a dial tone. If there is none, the problem is in the telephone cord or system. Call your
telephone service provider.
3. Double-check your country setting. Different country setting will cause different modem performance.
Please select the correct country as you located.
4. Check modem performance with a direct line from your telephone company. Some PBXs may cause the
telephone line condition change and affect modem performance.
Problem: The modem does not answer incoming calls
Possible solutions:
1. Ensure that the automatic answer parameter is set to one of the enabled options, using the ATS0
command (ATS0=1 to answer after one ring, and so on).
2. Ensure that no other devices, such as fax or answering machines, are answering calls before the
modem does.
If you cannot resolve your situation after reading this section, contact your dealer or vendor for assistance.
TFM-PCIV92A User’s Guide
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- 16 - Rev.1.00.2.1.34
Appendix 1 Modem Specifications
Modulation standards : V.92, V.90, V.34, V.32bis, V.32, V.29, V.27ter, V.22bis, V.23,V.22, V.21,V.17,
Bell212/103
Compression : V.44, V.42bis, MNP Class 5
Error Correction : V.42, MNP Class 2-4
Host Interface : PCI bus
FAX Group : Group III
FAX Command : EIA/TIA 578 class 1