HP3000-L Archives

March 2007, Week 4

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From:
John Lee <[log in to unmask]>
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Date:
Thu, 22 Mar 2007 10:48:54 -0600
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And a special modem to go between locations.

John Lee
Vaske Computer Solutions



At 09:01 AM 3/22/07 +0000, Robert Mills wrote:
>Dave,
>
>If you MUST retain your serial connections then you are going to have to
>purchase a DTC.
>
>regards,
>
>Robert W.Mills
>Systems Development Manager
>Pinnacle Arvato
>(020) 8309 3604
>
>
>-----Original Message-----
>From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On
>Behalf Of Jeff Kell
>Sent: 21 March 2007 17:47
>To: [log in to unmask]
>Subject: Re: [HP3000-L] datacomm questions - two buildings
>
>Dave Powell, MMfab wrote:
> > So the first question is how much extra $ to allow for datacomm.  We
> > don't really need to know HOW to make thinks work yet, just approx how
>
> > much two-building communications will cost (both phone system and
> > computers), so management will know how big the rent savings need to
> > be.  My experience has all been within one building, so I am pretty
>clueless here.
>
>First you need connectivity, obviously.  Are these buildings far enough
>apart that you are going to contract with a utility for the runs (T1,
>Fiber, Metro Ethernet, etc?) or is this on your own ground where you can
>run your own links?
>
> > Just for reference:
> > Phone system has a T1 and a bunch of plain-old lines.  The warehouse
> > might have about 10 extensions.
> > Our computer datacomm is just one cheapo dsl line.
> > Approx 40+ total computer users, mixed serial dumb terminals and
> > network PCs
>
>Maintaining your serial connectivity is going to be a pain.  I would try
>to bury that dead horse now, or at least try to keep all the serial
>needs in one place.  If you need serial "remotely" it will be a problem.
>
>We have done this a few times for temporary office buildings, and you
>can get away with most needs with a T1 and a couple of AdTran muxes.
>Run your phones off half the T1 (if your PBX does digital), data off the
>other half (or split accordingly).
>
> > We do cross-network tape backups, which we would like to keep but
> > could work around.
>
>To keep that up and cross buildings, you'll need a lot of patience or a
>lot more bandwidth :-)
>
>Other than that, you're not looking at much recurring expense other than
>the link, but you will have some up-front infrastructure costs.
>
>Jeff
>
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