Re: Acoustic couplers

worley@ariadne.com (Dale R. Worley) Sat, 05 January 2013 00:42 UTC

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In-reply-to: <A2EB5895-E8D7-4CD2-921A-22082631D0B5@shinkuro.com> (steve@shinkuro.com)
Subject: Re: Acoustic couplers
References: <20130102175839.2DDAE18C0BB@mercury.lcs.mit.edu> <01OOIM6DH1HW00008S@mauve.mrochek.com> <50E4AFAF.4000506@dcrocker.net> <01OOIXYRHRN000008S@mauve.mrochek.com> <50E59B43.8000702@dcrocker.net> <2877F05C-BF25-42DE-BF77-1854CC955A54@shinkuro.com> <600960B19F7C535FA242D982@JcK-HP8200.jck.com> <A2EB5895-E8D7-4CD2-921A-22082631D0B5@shinkuro.com>
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> From: Steve Crocker <steve@shinkuro.com>
> 
> I honestly don't remember whether the plugs were the clunky four pin
> or the then-modern RJ11.  I recall studying RJ11 and RJ45 plugs and
> sockets at some point and discovering that some plugs and sockets
> had six wires instead of only four or two.  I never did learn if
> they had a different number.  The form factor was the same.

Wikipedia has a long list:
http://en.wikipedia.org/wiki/Registered_jack It's probably not
complete.

Dale