old modems & a packet switcher

From: Sam Ismail <dastar_at_ncal.verio.com>
Date: Mon Aug 3 11:49:30 1998

On Mon, 3 Aug 1998, Julian Richardson wrote:

> just a thought, but were these modems ever designed to connect to a
> public network? I've got a couple of old BT modems that seem to be
> designed to only work on a private, internal network (at least that's
> what the manuals imply), so maybe line voltages are different or
> whatever...

Line voltages would not (and could not) differ unless it was some short
haul modem. The higher layer protocols might though.

Sam Alternate e-mail: dastar_at_siconic.com
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Received on Mon Aug 03 1998 - 11:49:30 BST

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