TS-GSM1 is fine. But I have two problem with it:
- it's only GPRS so it's slow.
- we also need to send SMS through the modem. to do this with TS-GSM1
we'll have to manage multiplexing of the serial data, it is quite a
task. At least with USB stick the hardware supports 2 serial ports
physically.
On 19/04/11 01:12, pierrot lafouine wrote:
>
>
> Hi
> We use the TS-GSM1 as cell connection 24/7, trought HTTPS and it works
> pretty well. The reason it is stabe is because the TS-GSM1 hardware's
> use all UART signals from modem (HW flow control, Data Carrier Detect
> etc...). And this is pretty hard to find an implementation like this,
> most of the HW provider only connect Rx and Tx between modem and UART
> / CPU to save some I/O pins. With a good hardware implementation,
> some good basic script with pppd perform (re)connection when needed.
>
> Best regards,
>
> Pierre
>
> /Computers in the future may weigh no more than 1.5 tons
> (Popular Mechanics, 1949)/
>
>
>
>
> ------------------------------------------------------------------------
> To:
> From:
> Date: Mon, 18 Apr 2011 15:54:25 -0700
> Subject: Re: [ts-7000] industrial wireless options
>
> What are your data requirements? Do you need a constant connection to
> the system, or do you just need periodic reports of values (once per
> hour, daily summary, other?)
>
> Do you have cellular coverage and access to power in the area?
>
>
> On Mon, Apr 18, 2011 at 6:48 AM, Simon Leung <
> <>> wrote:
>
>
> On 18/04/11 14:35, Jason Stahls wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > On 04/18/11 08:17, Simon Leung wrote:
> >> Hi all,
> >>
> >> I came from a consumer background and am new to the industrial
> world.
> >> We're building a web enabled wireless control/monitoring unit
> based on
> >> ts7800. To me, GPRS/3G is the only viable way of doing this.
> However,
> >> it's a bit of challenge to keep the link stable.
> >> I'd like to ask you if there re any other options at all in an
> >> industrial environment?
> > There's _tons_ of industrial RF products out there. What exactly are
> > you doing?
> >
> > Unless you're in a remote area that you can't do a
> point-to-point link
> > with 3G is probably not the best idea. The cell network is basically
> > like using UDP/IP for everything, there's no guarantee anything
> will go
> > anywhere, nor when it will get there if it does go.
> >
> Thanks for the reply. I'm building a box that'll allow the user to
> remotely control a water quality analyser, through a web
> interface. Most
> of our application would have wired LAN access but there are cases
> where
> the machine is in a remote area. So basically the device will have to
> have TCP/IP wirelessly ( or I'm on a completely wrong direction ).
> Again
> I'm not used to industrial standard, etc. So if there is a remote
> wireless TCP/IP solution, I'm all ears.
>
>
>
>
>
>
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