RE: FN-FORUM Modem oddity

date posted 8th January 2001 16:47

Thanks David, and I would have to say that had I not seen and tested it I
would have said the same myself.

Further testing though has now shown it is related to the telco in use...
on BT line it gives the (expected) 28800 or less
on Cable London/Telewest it continues to give the high figure. I'm
wondering whether it is a protocol thing on Telewest's end using something
in the Hayes' encoding.

oh well. The person who busted the 'proper' card has said they'll buy a
replacement, so I should be able to give up worrying about it soon anyhow!

Rgds

Alison
-----Original Message-----
From: [EMAIL REMOVED]
[EMAIL REMOVED] Behalf Of David Nye
Sent: 08 January 2001 11:00
To: [EMAIL REMOVED]
Subject: RE: FN-FORUM Modem oddity


A 28800 bps modem cannot shift bits to another modem faster than 28800 - you
must be seeing the speed your o/s is using to talk to the modem card - which
is what Windows tends to show by default if the driver does not tell it
otherwise.

If it seems faster than the newer card, then this only suggests you were
never actually getting throughput of 44800 bps, but presumably something
less than 28800. Maybe the hardware compression works better on the old
card?

David Nye
http://dnye.com
Business Systems, Database & Internet Applications Design & Development.
Microsoft SQL Server, Access, ASP & VB Programming.


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