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Modem Disconnection from the Internet |
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Datec (PNG) Ltd |
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Problem |
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Calling any Datec internet number but the line is dropped |
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Calls get dropped after a few minutes of connection |
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Calls get dropped during login |
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Modems cannot connect at all because line condition is
so bad |
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Reason |
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Modem S10 register is set too low. Modem hangs up after
carrier loss. |
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Procedures |
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Some modems are shipped to wait only 1.4seconds before
dropping a call after a carrier loss. |
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Check that the S10 modem register is set to 6 seconds ,
this will allow the call to remain
connected after carrier loss. |
| 1. |
Reset the modem, or PC if it is an internal modem. |
| 2. |
If you're using Win 95 use the 'Hyper Terminal' to talk
to the modem. |
| 3. |
Take
Note of the Modem COM Port that your
modem is currently connected to.
Check this using Diagnostics Tab in
the Modem Properties |
| 4. |
To use the Hyper Terminal, click on Start , Programs, Accessories,
Hyper Terminal - Icon Hyper Terminal
. |
| 5. |
At the prompt for the new connection type in MODEM then
click Ok. |
| 6. |
In the Connect To box go to the box that has connect Using
and select the Com port that your
modem is configured on. Eg Com2 Don't
use the modem description otherwise
you have to type a telephone number. |
| 7. |
In the Port Settings window, click on Restore Defaults
then click OK. |
| 8. |
You should be looking at a blank Hyper Terminal Screen,
you are ready to talk to the modem
directly. |
| 9. |
To test if you are talking to the modem properly type in
the letters at then press
enter, you should see a response on
the next line down saying OK. |
| 10. |
Now we need to examine the S10 register. To do this type
in at s10?
and press enter. |
| 11. |
A number will appear on the next line down, make a note
of this number somewhere. It is the
tenths of a second that the modem
will wait before hanging up after
carrier loss. |
| 12. |
This number should be set to 60. To do this type at
s10=60 and press
enter. |
| 13. |
Now we need to store this number in the modems profile
so type in at &w
and press enter. |
| 14. |
Exit Hyper Terminal and try connecting to the Internet
again. |