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Article #820

Re: Bank of paralleled RJ11s

#820
From: Rod Speed
Date: Fri, 03 May 2002 18:14
57 lines
3711 bytes
Nick Andrew <nick@zeta.org.au> wrote in message
news:aatr8f$iiv$1@godzilla.zeta.org.au...
> Rod Speed <rod_speed@yahoo.com> wrote

>> What I really need is a set of RJ11 sockets all wired in parallel,
>> like an RJ11 double or triple adapter, but with say 5-10 sockets.

> I should point out that you're all wrong, even the mighty Rod Speed...

We'll see.

> RJ11 is the little 4-pin connector which is used to link
> the handpiece with the telephone unit. RJ12 is the
> slightly bigger 6-pin connector you are talking about.

Fraid not. RJ11 usually called 6P4C, 6 positions, 4 conductors.
RJ12 is 6P6C, all 6 pins with wires connected to them.

The smaller handset jack is a 4P4C, forget the RJ number.

> Dick Smith sells RJ12 triple adapters, but you
> can't gang them without using other connectors.

Yeah, thats what I'm currently using and commented on
that problem that you cant stack them into yet another
triple adapter or even a double. Basically lousy design there.

> I recommend:

> 1 x RJ12 triple adapter, 3 x 8cm length of phone cable,
> and 2 x RJ12 double adapters with sockets all around.

Yeah, thats what I was planning to do if I couldnt find the more
elegant long strip of about 10 RJ11s all wired in parallel.

Its obviously possible with punchdown RJ11s but you've still got
the problem with mounting the RJ11s themselves somehow.

Obviously a standard patch panel plate would be fine,
but it again isnt that elegant to mount when there isnt a
rack to put it in, and the whole thing aint cheap compared
with say 10 pcb mount RJ11s and a pcb to parallel the pins.

The top entry pcb mount RJ11 sockets would be best too.

> The RJ12 triple adapter is the type with 1 plug and 3 sockets,
> as Dickie sells. The 3 lengths of cable you can buy or make,
> generally it's cheaper to just buy them. Plug each into the triple
> adapter. Then on the ends of the cable, plug the RJ12 double
> adapters. You've now got 6 sockets to plug phones and stuff into,

Yeah, but its not as mechanically tidy as say 10 RJ11s on a pcb.

> and Ringer Equivalence limits be damned!

Yeah, dont give a stuff about that with modern electronic phone devices.
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From: "Rod Speed" <rod_speed@yahoo.com>
Newsgroups: alt.comp.hardware,aus.comms,aus.computers,aus.computers.ibm-pc,aus.net.access
Subject: Re: Bank of paralleled RJ11s
Date: Sat, 4 May 2002 04:14:01 +1000
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