[App_rpt] Interface questions

Tue Jun 27 19:15:06 UTC 2006

Also, whatever the FXS device is, it needs to support Groundstart (for 
transmit side) (or DPO).

>From: Steve Rodgers <hwstar at rodgers.sdcoxmail.com>
>Reply-To: Asterisk Repeater Controler <app_rpt at lists.illiana.net>
>To: Asterisk Repeater Controler <app_rpt at lists.illiana.net>
>Subject: Re: [App_rpt] Interface questions
>Date: Tue, 27 Jun 2006 06:55:14 -0700
>MIME-Version: 1.0
>Received: from lists.illiana.net ([207.227.243.140]) by 
>bay0-mc3-f13.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2444); Tue, 
>27 Jun 2006 10:04:37 -0700
>Received: (qmail 8805 invoked from network); 27 Jun 2006 13:55:19 -0000
>Received: from localhost (HELO ?127.0.0.1?) (127.0.0.1)  by 0 with SMTP; 27 
>Jun 2006 13:55:19 -0000
>Received: (qmail 8791 invoked from network); 27 Jun 2006 13:55:16 -0000
>Received: from dukecmmtao03.coxmail.com (68.99.120.70)by 0 with SMTP; 27 
>Jun 2006 13:55:16 -0000
>Received: from steverod.sv.qrvc.com ([68.15.19.112])by 
>dukecmmtao03.coxmail.com(InterMail vM.6.01.05.02 201-2131-123-102-20050715) 
>with ESMTP 
>id<20060627135516.BVOU3326.dukecmmtao03.coxmail.com at steverod.sv.qrvc.com>for 
><app_rpt at lists.illiana.net>; Tue, 27 Jun 2006 09:55:16 -0400
>X-Message-Info: txF49lGdW42KTLyn7xGNYIwZf6O3xZJwBClcbvrfnGQ=
>Return-Path: <hwstar at rodgers.sdcoxmail.com>
>Delivered-To: mailman-app_rpt at lists.illiana.net
>User-Agent: KMail/1.9.1
>References: 
><20060622233150.GB1570 at unicomsystems.com><200606230736.32332.hwstar at rodgers.sdcoxmail.com><20060627034851.GA20217 at unicomsystems.com>
>X-BeenThere: app_rpt at lists.illiana.net
>X-Mailman-Version: 2.1.6
>Precedence: list
>List-Id: Asterisk Repeater Controler <app_rpt.lists.illiana.net>
>List-Unsubscribe: 
><http://lists.illiana.net/mailman/listinfo/app_rpt>,<mailto:app_rpt-request at lists.illiana.net?subject=unsubscribe>
>List-Archive: <http://lists.illiana.net/pipermail/app_rpt>
>List-Post: <mailto:app_rpt at lists.illiana.net>
>List-Help: <mailto:app_rpt-request at lists.illiana.net?subject=help>
>List-Subscribe: 
><http://lists.illiana.net/mailman/listinfo/app_rpt>,<mailto:app_rpt-request at lists.illiana.net?subject=subscribe>
>Errors-To: app_rpt-bounces at lists.illiana.net
>X-OriginalArrivalTime: 27 Jun 2006 17:04:39.0110 (UTC) 
>FILETIME=[C66EB660:01C69A0B]
>
>
>Jon,
>
>See responses below.
>
>Some questions for you:
>
>Will you be using this in an Amatuer Radio repeater system or a commercial
>system?
>
>Last time I checked,  Australia does not permit Amateur repeaters connect 
>to
>the phone system (via automatic phone patching or autopatching) is this 
>still
>the case? The reason I ask is that our systems in the US have this
>capability, and if we are linked together, would it be breaking the rules 
>if
>someone in the US did this and and we were linked to a system in Australia? 
>In
>this case, the phone conversation taking place on the US system would be
>rebroadcast on the Australian system.
>
>
>
> > Hrm, they certainly have plenty, and at a good price, but overseas UPS
> >shipping is a killer, about USD$100 to ship a dozen or so to Australia.
>
>
>I'm willing to send you 2 transformers with each board blank ordered for
>$5.00US extra plus shipping. Please contact me off list for details.
>
>
> > Is it hard to support different FXS devices? I'm not sure exactly how
> > entwined app_rpt is with driver code. The reason I ask is one possible
> > avenue for me is some clone TDM cards from http://www.openvox.com.cn
> > but it looks like their TDM1200P clone uses a different driver. Their
> > 400P uses the standard digium driver.
>
>As long as the FXS device is seen as a Zaptel device in Asterisk, it will 
>work
>with app_rpt. In our systems, we use ARIB cards with Digium TE110p/T100p T1
>cards and a channel bank. It doesn't matter which driver is required as 
>long
>is it is a Zaptel driver.
>
>
>
>
>On Monday 26 June 2006 20:48, jon+apprpt at unicomsystems.com wrote:
> > Hello Steve,
> >
> > On Fri, Jun 23, 2006 at 07:36:32AM -0700, Steve Rodgers wrote:
> > > Jon,
> > >
> > > See responses below.
> > >
> > > On Thursday 22 June 2006 16:31, jon+apprpt at unicomsystems.com wrote:
> > > > Hello all,
> > > >
> > > > First off, I must say that app_rpt looks like a very promising 
>project
> > > > and this style or repeater controller looks like the way of the 
>future.
> > > >
> > > > I have a few questions that I couldn't quite come up with an answer 
>for
> > > > myself with a high degree of certainty, using the existing material
> > > > online.
> > > > 1). Does the 4 port radio interface card allow for 4 duplex repeater
> > > > channels, or 2 duplex repeater channels?
> > >
> > > 4 duplex radio channels.
> >
> > Excellent, makes it the best value for money for > 2 channels.
> >
> > > > 2). The 600 ohm line transformer as used in the analogue radio
> > > > interface appears to be out of stock on Digikey. Does anyone have
> > > > alternative stockists or transformer models? Or even spares they'd 
>be
> > > > willing to sell?
> > >
> > > Last time we bought them form excesssolutions.com
> >
> > Hrm, they certainly have plenty, and at a good price, but overseas UPS
> > shipping is a killer, about USD$100 to ship a dozen or so to Australia.
> >
> > Does anyone have spare stock they want to sell or are willing to order
> > on my behalf and resend using USPS?
> >
> > > > 3). Is app_rpt compatible with the TDM1200P or similar?
> > >
> > > We haven't tested this but the chips used on the TDM1200p are exactly 
>the
> > > same as the ones used on the TDM400.
> >
> > Is it hard to support different FXS devices? I'm not sure exactly how
> > entwined app_rpt is with driver code. The reason I ask is one possible
> > avenue for me is some clone TDM cards from http://www.openvox.com.cn
> > but it looks like their TDM1200P clone uses a different driver. Their
> > 400P uses the standard digium driver.
> >
> > > > I also have a few more developmental/roadmap oriented questions,
> > > > namely, would it be possible for an interface to be developed that 
>used
> > > > a full duplex sound card and a serial or other data port to 
>interface
> > > > to a radio? Or could an interface be developed that had the 
>necessary
> > > > functions so that it only needed an FXO port on the Asterisk side,
> > > > seeing FXOs can be got from even basic devices like some winmodems?
> > >
> > > Too many sound cards out there to support and having to deal with all 
>of
> > > them is a burden we don't want to shoulder.
> >
> > Fair enough, and looking at the inadequacy and system specificness of
> > other repeater linking hardware systems around, this is a condition
> > I'm willing to live with.
> >
> > > > Note that I'm not trying to rubbish the project or its developers 
>with
> > > > these questions, I'm sure the current interfaces work very well, but
> > > > seeing as we're not interfacing phones, I thought it would've been
> > > > possible design a way to interface at an even lower price point,
> > > > opening access further, and further benefiting app_rpt with greater
> > > > uptake levels from all sorts of radio people around the world.
> > >
> > > Let's just say that we are aware of this issue, and that we are 
>working
> > > on a solution.
> >
> > Good to hear. I hope development on app_rpt will keep moving forward, I
> > can see it becoming a big player in the repeater controller arena as 
>well
> > as the area of repeater linking.
> >
> >
> > Regards,
> >
> > Jon
> > _______________________________________________
> > App_rpt mailing list
> > App_rpt at lists.illiana.net
> > http://lists.illiana.net/mailman/listinfo/app_rpt
>_______________________________________________
>App_rpt mailing list
>App_rpt at lists.illiana.net
>http://lists.illiana.net/mailman/listinfo/app_rpt