Re: Disconnecting problem

Yohannes A Sulistyono (aries@idola.net.id)
Thu, 28 Aug 1997 09:05:34 +0700 (JAVT)

Do you know what modems are incompatible with AT&T?
Is US Robotic modem compatible with it?

Thanks,
aries

On Wed, 27 Aug 1997, John Storms wrote:

> At 07:47 PM 8/27/97 +0700, Yohannes A Sulistyono wrote:
> >I install Livingstone Portmaster PM2E and AT&T paradyne rack modem.
> >The problem is, when users dial in, they will be disconnected after a few
> >minutes.
> >Could you please tell me what's wron with my Portmaster?
>
> In this case chances are there is a conflict between protocols being
> negotiated between the AT&T paradyne and modems being used by the people
> dialing in.
>
> *At a previous job I observed that in general modems using AT&T chipsets
> did not interoperate well with more common chipsets such as Rockwell.
>
> * Also, if one modem is talking V.FC and the other modem V.34 and they are
> able to negotiate a connection you may find the line being dropped about
> 20-30 minutes into the call due to incompatability.
>
> * Excessive noise on the line can cause a connection to be dropped. Noise
> can result from bad wiring, unsheilded cables, bad connectors, power
> cables, old color TV's, etc.
>
> ---
> jstorms@livingston.com
> Diplomacy: The art of saying good doggie
> while seaching for a big rock.
>