TELECOM Digest OnLine - Sorted: 1A2 Help Requested

1A2 Help Requested

Matt (
6 May 2005 13:42:34 -0700


I googled this group and found some questions, slightly related to
mine, but not exactly, and all 3 or 4 years old. Also, I apologize if
I munge some terms.

So -- the story. The old 6 button western electric wink/blink/flash
business phones have always fascinated me. Don't ask me why ... I

Currently I don't have any "new" phones at home ... Over the years I
have found them all to be crap for one reason or another, regardless
of price, and have bought several of the old 60s/70s style phones to
replace them. I was amazed how much I prefer the sound of the old
style ringer to the glitzy electronic chirp I'd gotten used to.

So now, the grumpy old man in me is satisfied.

But the geek in me isn't.

So, on to the next step -- installing one of the 6 button business
phones at home. (I don't/won't have multiple lines. All 5 buttons will
tie to the same number, or perhaps I'll use some of them for intercom
functionality, etc. one day).

I'm bidding on some manuals that apparantly go very deeply into the
operation and wiring of this type system -- but in the chance I lose
the auction, I was hoping to get some help here.

Can anyone break down, at a high level, the components I will need to
get something like this working?

I know I need the phone itself, and it has to have the 25 pair amphenol
connector on it.

And I know I need a 1A2 Keyset Unit. And this is where things get fuzzy
for me.

When someone says 1A2 keyset unit -- does that automatically infer all
the pieces that go with it? For example, I know there are various
cards, which enable certain options, and so, there must also be a
power supply to power the cards. Is this all self contained within
what is called a KSU?

Are there other pieces to a 1A2 KSU I need to know about?

For example, do I need to get some punchdown blocks that go in between
the phones and the KSU?

I guess my problem is I don't know what to ask -- because I don't know
what I'm doing.

I'll continue searching the web to learn more, and in the meantime, if
anyone could provide some links (Surely I'm not the only one to do
this?), or perhaps offer comments, I'd be most appreciative.



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