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[asterisk-users] Using a Loopback Plug for an RJ-45 EthernetInterface for testing a Digium Card


 
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rakh at dangerclan.net
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PostPosted: Sat May 17, 2008 7:46 pm    Post subject: [asterisk-users] Using a Loopback Plug for an RJ-45 Ethernet Reply with quote

Thank you very much for your replies!,

And thanks Alexander for the T1 loopback pins schema Smile
Alexander Lopez wrote:
Quote:
It will go Green if a PROPER loopback plug is inserted.

Pins 1 and 2 shorted to 4 ad 5

Pin 1 to 4
Pin 2 to 5

Leave the others open...



Quote:
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
bounces at lists.digium.com] On Behalf Of Jay R. Ashworth
Sent: Saturday, May 17, 2008 6:02 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] Using a Loopback Plug for an RJ-45
EthernetInterface for testing a Digium Card

On Sat, May 17, 2008 at 05:50:46PM -0400, Jose P. Espinal wrote:

Quote:
Someone told me about using a Loopback plug for RJ-45 for testing if

a

Quote:
Quote:
Digium Card gave him 'green' Alarm (for testing if the card had been
damaged by a strange voltage surge); would this have some bad side

effect?

Well, it's actually probably an RJ-48X interface, but who's counting.

If your question, though, is "would plugging a loopback-wired 8p8c

modular

Quote:
plug into the jack on the back of a T-1 card cause it any damage in
itself?", I can't imagine the answer would be "yes", no.

If you loop it and it stays in Red alarm, it's probably broken.

I can't speak to exactly what the alarm status stuff does if the port
you're looping expects to have a PRI plugged into it: I would expect
"Green, but no actual traffic", but I could be wrong, I'm a bit new on
that front.

Cheers,
-- jra
--
Jay R. Ashworth Baylink
jra at baylink.com
Designer The Things I Think

RFC

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Ashworth & Associates http://baylink.pitas.com

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St Petersburg FL USA http://photo.imageinc.us +1 727

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