Re: 56Kb modem/phone line test

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Article #18181

#18181

From: Graham E Kinns
Date: Tue, 19 Nov 1996 00:00

23 lines
1563 bytes

Fred Hartley <fredkwh@incubus.demon.co.uk> wrote:
>I have been puzzling why my USR 28800 Courier V.34 Data Fax Modem
>never achieves 28800 when connecting to Demon. My last connection to
>Demon at 14:40 hrs today was at 21600. I dialled the above number at
>15:01hrs and 15:15hrs and both times connected at 28800.
>
>It seems to me that low connecting speeds in my case are not due to
>modem init strings, housewiring,  local BT lines or my digital
>exchange, but something at Demon's end.

And the frequency response from the Netcom test doesn't show anything?

>For what it is worth, the Netcom test said that x2 was ok.

I think all that checks is that you have an entirely digital route 
between Netcom and your local exchange, and suitable analogue local 
loop.  x2/K56Plus should still work on a line that won't train to
28.8k - you just won't get 56kbit/sec out of it ...

Cheers, Graham.
-- 
----[ Graham E. Kinns ]----==========----< Graham@grempc.demon.co.uk >----

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From: Graham E Kinns <Graham@grempc.demon.co.uk>
Subject: Re: 56Kb modem/phone line test
Date: 1996/11/19
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