Re: SIA, Contact ID, 4/2, 3/1

["Roland Moore" <nospam@xxxxxxxxxx>]

I thought he mentioned it was a family business? Didn't Robert have "pole
climbers"? In an emergency I bet his plan was to send one of  the kids up
there with a butt set to find a good cable pair to use.

"Frank Olson" <use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:5TuSi.92423$Da.66865@xxxxxxxxxxxx
> Mark Leuck wrote:
> > "Robert L Bass" <RobertLBass@xxxxxxxxxxx> wrote in message
> > news:NMqSi.884$uE4.355@xxxxxxxxxxx
> >> "Michael" wrote:
> >>> One thing I have thought about it is, that using the latest higher
> >>> speed transmission format has it's own problem. How long does it
> >>> take
> >>> two modern modems to negotiate a connection? 5-10 seconds? It seems
> >>> (from what I've noticed over the years), that the faster the
> >>> overall
> >>> transmission speed, the longer it takes to actually negotiate the
> >>> connection and sync the signals...
> >> There's a reason for that.  If you're using a multi-format receiver,
> >> it sends each possible handshake tone, waits a second or two, tries
> >> again (or not) and then sends the next one, repeating until the
> >> communicator hears a tone it likes and begins transmitting.  I used a
> >> number of different receivers over the years.  The last ones were O/H
> >> QuickAlert II.  Because we used almost exclusively Ademco CID once it
> >> became available, I had O/H make us a set of custom chips.  Our
> >> receivers would first try Contact ID, then pulse, etc.  This shaved a
> >> few seconds off the connect time for newer systems.
> >
> > Ancient technology, SurGard's MLR-2000 and System III remember the last
> > working format then gives it as the first handshake the next time the
panel
> > calls
> >
> > "custom chips"? LOL!
>
> He obviously doesn't eat at McDonald's.
>
>
> >
> >> BTW, I said "receivers" as in two of them.  We were small.  We only
> >> needed one 4-line receiver and another for backup.
> >
> > How cheap, a backup receiver but no backup central station tsk tsk
>
>
> Of course he had a "backup".  If the "primary" central went down, he'd
> unplug the receiver on his nightstand and "hot foot transfer" it to the
> garage telephone outlet.