RE: Standalone CCTV DVRs

[Paul Gordon <paul_gordon@xxxxxxxxxxx>]

Indeed, I shall go & do some research on those components. I'd have to
say =
though, that just the mention of the name Belkin gives me pause... I've
had=
some fairly dissapointing experiences with their kit in the past.

=20

Paul G


=20
> To: ukha_d@xxxxxxx
> From: groups2@xxxxxxx
> Date: Mon, 8 Jun 2009 09:15:27 +0100
> Subject: RE: [ukha_d] Standalone CCTV DVRs
>=20
> That's interesting Martyn.
>=20
> Do the ports properly retain their com port numbering properly over a
num=
ber of reboots? That was the problem I found when using a number of simple
=
USB to serial converters. I guess your hardware is very different in
operat=
ion though.=20
>=20
> Paul.
>=20
> > -----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
> >=20
> > 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).
> >=20
> > 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.
> >=20
> > 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:
> >=20
> > 3 * Quasar temp sensor boards
> > 2 * serial controlled kit (cctv switcher and video switcher)
> > 1 * Nokia 6210 (sms use)
> >=20
> > On the other Belkin USB ports I'll shortly be migrating:
> >=20
> > USB weather station
> > USB RFXCOM 434 RX
> > USB RFXCOM 434 TX
> > USB RFXCOM 868 RX
> >=20
> > All will be accessed under different VMs in theory.
> >=20
> > 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....
> >=20
> > Might be something to consider?
> >=20
> >=20
> > Martyn
> >=20
> >=20
> > ----- 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
> >=20
> >=20
> >=20
> > D'oh! - ignore me, I'm being a dunce!...
> >=20
> >=20
> >=20
> > 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...
> >=20
> >=20
> >=20
> > 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!
> >=20
> >=20
> >=20
> > Paul G.
> >=20
> >=20
> >=20
> > > 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
> > > >
> > > >
> > > >
> > >
> > >
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> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
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> Yahoo! Groups Links
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