If all the devices are on different pairs, a splitter won't work. (Unless
you find one with L1, L2, L3 outputs.) So unless you have the parts on hand
to kludge up a multi-keystone box, daisy-chaining vanilla boxes is the only
option. Trying to do a commercial-type drop with consumer-grade stuff can
be a PITA at times. Other than the over-priced faux LAN stuff at the borg,
retail places only seem to carry residential stuff, and most homeowners
would be clueless as how to order the 'real' parts online.
I have a speakerphone from Radio Shack. It's a phone with no ringer
and no dialing, so you need a regular phone too. It had an extra jack
on it for that purpose. However the built-in cord broke off a long
time ago (they do) so it has to be connected using that extra jack.
Since those 3 jacks were here before I bought the house, I don't know
what they were all used for. Maybe someone hadn't heard about the
multi-jack adapters. A lot of people don't know about such things.
Plus the computer for dial-up. There are big advantages to not
connecting the phone through the modem.
Plus, I have a device which permits unified redial and memory dial
from every touch-tone phone in the house. And other functions I don't
use. Mostly one presses two buttons in the same row or column, so
that he only gets one tone, instead of two, and that tone does things.
Plus, I used to use a neon light, so that when the bell was off, I
could tell if the phone was ringing. I turned the bell off because it
kept waking me up, but the light across the room doesn't.
Plus, I have a dialer, that will call me or a friend if my burglar
alarm goes off. And there are dialers that work with a pendant that
one wears around the neck, if he is old or sick.
Plus, I'm sure some answering machines don't have a second jack -- my
first one didn't -- or as in your example, the second jack on anything
Plus, if something is worthy saying, it's worth saying three times.
I have a few of those- I believe they are the phone co's older style
"point of presence" boxes that delineate (or used to) their stuff from
Now that covered RJ-plug style socket is in the box on the outside of
the house for residential service, and the box you see is on the
inside of businesses where only 1 or 2 lines are used.
PO probably had a business at some point.
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