Hardware and system checklist
Modem
Refer to the online help files for Appendix C and D.
Problem | Procedure |
Communication | Make sure the computer’s internal modem |
software can’t | settings are correct. Refer to Phone and Modem |
initialize modem | Properties in the Control Panel. |
You can hear a dial tone but can’t make a call
If the call is going through a PBX machine, make sure the communication application’s tone dial detection feature is disabled.
You can also use the ATX command. Refer to the online help files for Appendix C, AT Commands.
You place a call, | Make sure the settings are correct in your |
but a connection | communications application. |
can’t be made |
|
|
|
After making a call | Make sure the tone or pulse selection in your |
you can’t hear a ring | communications application is set correctly. |
| You can also use the ATD command. Refer to |
| the online help files for Appendix C, AT Com- |
| mands. |
|
|
Communication is | The computer will automatically cut off |
cut off unexpectedly | communication when connection with the carrier |
| is not successful for a set time interval. Try |
| lengthening this time interval. |
A CONNECT display | Check the error control setting in your |
is quickly replaced by | communications application. |
NO CARRIER |
|
| You can also use the AT\N command. Refer to |
| the online help files for Appendix C, AT Com- |
| mands. |
|
ROUBLESHOOTINGT
