rakh at dangerclan.net
Guest
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 Posted: Sat May 17, 2008 7:46 pm Post subject: [asterisk-users] Using a Loopback Plug for an RJ-45 Ethernet |
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Thank you very much for your replies!,
And thanks Alexander for the T1 loopback pins schema 
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
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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
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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
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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
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RFC
'87
647
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