RE: Standalone CCTV DVRs

[Paul Gale <groups2@xxxxxxxxxxxxxxxx>]

That's interesting Martyn.

Do the ports properly retain their com port numbering properly over a
numbe=
r of reboots? That was the problem I found when using a number of simple
US=
B to serial converters. I guess your hardware is very different in
operatio=
n though.=20

Paul.

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of Martyn Wendon
> Sent: 07 June 2009 23:12
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Standalone CCTV DVRs
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> I've had similar requirements with RS232 ports that you do and have
> gone for
> a Belkin 5-port USB Network hub (55 notes from Amazon) coupled with a
> Quatech 8-port USB->Serial port adapter (15 notes off eBay, they
come
> up
> from time to time).
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> The Belkin presents USB connected equipment over ethernet to their
> driver
> software on the PC (or in my case the VM) and then you can use the
> hardware
> as if it were locally attached.
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> I've only had this setup for a week or so and initial impressions are
> good -
> hooked up to the 8-port serial port adapter (via 1 port on the Belkin)
> are:
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> 3 * Quasar temp sensor boards
> 2 * serial controlled kit (cctv switcher and video switcher)
> 1 * Nokia 6210 (sms use)
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> On the other Belkin USB ports I'll shortly be migrating:
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> USB weather station
> USB RFXCOM 434 RX
> USB RFXCOM 434 TX
> USB RFXCOM 868 RX
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> All will be accessed under different VMs in theory.
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> The RS232 stuff all seems to work ok, I can't see why the other USB
> stuff
> won't as although they're all USB they all install as virtual comm
> ports....
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> Might be something to consider?
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> Martyn
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> ----- Original Message -----
> From: "Paul Gordon" <paul_gordon@xxxxxxx>
> To: "UKHA Group" <ukha_d@xxxxxxx>
> Sent: Sunday, June 07, 2009 6:27 PM
> Subject: RE: [ukha_d] Standalone CCTV DVRs
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> D'oh! - ignore me, I'm being a dunce!...
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> Of course, the host machine wouldn't need to know about the COM ports,
> - the
> virtual COM port drivers would just be installed directly into the
> guests...
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> So this is a solution that would be technically feasible - provided
the
> emulated COM ports were "good" - and worked with all the
physical
> devices
> and the various bits of software that need to access them... - I guess
> it
> just depends on whether or not such a solution is economically
> feasible... -
> =A3500-odd for a serial-over-IP box would pretty much rule it out of
> contention unless & until I win the lottery!
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> Paul G.
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> > To: ukha_d@xxxxxxx
> > From: paul_gordon@xxxxxxx
> > Date: Sun, 7 Jun 2009 18:19:09 +0100
> > Subject: RE: [ukha_d] Standalone CCTV DVRs
> >
> >
> > That's something I'd not thought of, - I've used these in the dim
&
> > distant...
> >
> >
> >
> > Wouldn't I probably have that same problem with driver support
> though? -
> > don't such devices generally require a driver on the machine
> accessing the
> > ports over the LAN to emulate a virtual COM port?
> >
> >
> >
> > The other thing I'd imagine is probably the case, is that I bet
an 8-
> port
> > network RS232 server would be considerably more expensive than an
8-
> port
> > PCI card...
> >
> >
> >
> > Obviously I was hoping to re-utilise the PCI RS232 card that I
> already
> > have, but I wouldn't be averse to purchasing some other card /
> external
> > box, provided it was a sensible price, and that it's guaranteed
to
> work as
> > required.
> >
> >
> >
> > Paul G.
> >
> >
> >
> >
> >
> > > To: ukha_d@xxxxxxx
> > > From: yahoogroupskh@xxxxxxx
> > > Date: Sun, 7 Jun 2009 17:59:43 +0100
> > > Subject: Re: [ukha_d] Standalone CCTV DVRs
> > >
> > > Paul Gordon wrote:
> > > > My original plan was to use ESXi, but I'm almost
certain this is
> a
> > > > non-starter because of the 8-port serial card that I
*need* to
> support
> > > > the various devices that Homeseer talks to (I'd prefer
not to go
> down
> > > > the USB-RS232 converter route).
> > > Is it possible you could use an Ethernet serial server with
say 8
> ports
> > > perhaps ?
> > >
> > > K
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
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> [Non-text portions of this message have been removed]
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> Yahoo! Groups Links
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> Yahoo! Groups Links
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