[BC] Re: Providing schematics

[Mike McCarthy]

Read my second item....

MM

At 12:06 PM 10/5/2007 -0500, Gary Glaenzer wrote
>but the BT stuff is NOT 'UL listed', because it uses a separate PS that is 
>itself UL
>listed
>
>
>----- Original Message -----
>From: "Mike McCarthy" <Towers at mre.com>
>To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
>Sent: Friday, October 05, 2007 11:16 AM
>Subject: Re: [BC] Re: Providing schematics
>
>
> > In two words...product liability.  Anything which is UL listed is voided
> > should the box be repaired by anyone by the certifying vendor.  That has
> > HUGE liability implications to the general public.  Hence the reason why
> > APC won't supply schematics or root software for programming their UPS's.
> >
> > Also, in the case of non-UL listed equipment, there is also the dynamic of
> > modification or ill-advised repairs which further damages or creates
> > unexpected operation and could either harm or hinder the functional
> > operation of/by the user.  In this case, phone systems are really touchy.
> >
> > Proprietary design is a distant third when it comes to the two above
> > liability issues.
> >
> > MM
> >
> > At 09:01 AM 10/5/2007 -0700, k7cr wrote
> > >I loved reading this thread -
> > >I suspect there are a number of reasons for folks not wanting to provide
> > >schematics, the main one is the fear that someone will simply copy their
> > >work and become a competitor.   I recall dealing with telephone system
> > >vendors a while back, with a lot of cash on the table.  I told them all
> > >that I had to have schematics
> > >and they - ALL  - told me that this was a deal breaker.
> > >
> > >Another factor is that there are a whole lot fewer folks out there that -
> > >can- repair equipment to the component level these days.
> > >Or has the time to do so!
> > >
> > >Then there is the use of LSI that pretty much precludes bench repair.
> > >
> > >Some of this stuff is so cheap today that it's simply thrown away when it
> > >breaks, because it's cheaper than spending the time to research the
> > >problem, order parts, install and hope etc.
> > >I hate to say it, but this has become normal. (The older you
> > >are the harder this is to understand)
> > >And Yes I remember Sams - I recall vividly the invitations to come over
> > >for dinner...........and bring your tool box.  Come to think of it, those
> > >U-Test-Um tube testers seem to be missing at the grocery stores.
> > >
> > >Clay Freinwald
> > >
> > >_______________________________________________
> > >
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> >
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> >
> >
>
>_______________________________________________
>
>The BROADCAST [BC] list is sponsored by SystemsStore On-Line Sales
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