Actually it seems to depend on the brand of RJ-45 jacks.
I used to work in an office that routinely plugged RJ-11s plugged into RJ-45 jacks.  
They had tested
various brand RJ-45 jacks and used those that were tolerent of having RJ-11's plugged 
in.
However, I agree that its in general a bad idea.

Jim

James H. Thompson
[EMAIL PROTECTED]

----- Original Message -----
From: "Mike Ciholas" <[EMAIL PROTECTED]>
To: "Scott Lambert" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, August 20, 2003 10:01 AM
Subject: Re: [Asterisk-Users] Is Asterisk ready for "real" use?


>
> On Wed, 20 Aug 2003, Scott Lambert wrote:
>
> > RJ11 plugs work in RJ45 jacks most of the time.
>
> Yuck!  I was told, and I have verified, that when RJ11 goes into
> RJ45, it overbends pin 1 and 8 contact wires so they don't
> "relax" back to their original form.  This happens because there
> is no "slot" in an RJ11 connector for those contacts, so the
> plastic bends those wires much more than the others.  This causes
> loss of contact pressure when a real RJ45 plug is inserted.  You
> can tell when this happens by looking at an empty RJ45 socket.
> If pins 1 and 8 don't line up with the others, someone has
> plugged in an RJ11 into it.
>
> Sounds like a way to have flakey RJ45 jacks all over the place,
> and ethernet does use pin 1!
>
> This must be a FAQ somewhere...
>
> --
> Mike Ciholas                            (812) 476-2721 voice
> CIHOLAS Enterprises                     (812) 476-2881 fax
> 2626 Kotter Ave, Unit D                 [EMAIL PROTECTED]
> Evansville, IN 47715                    http://www.ciholas.com
>
>
> _______________________________________________
> Asterisk-Users mailing list
> [EMAIL PROTECTED]
> http://lists.digium.com/mailman/listinfo/asterisk-users
>
>

_______________________________________________
Asterisk-Users mailing list
[EMAIL PROTECTED]
http://lists.digium.com/mailman/listinfo/asterisk-users

Reply via email to