[j-nsp] SDH interface strangeness.

[Dang Le Hai]

John,

Check manual for the max optical receive level at both ends. Seems that it's 
too strong, you make an attenuation when you pull it out a little bit.

So, you need opt attenuator it this case.

It's a common problem at layer 1.

Dang
----- Original Message ----- 
From: "John Senior" <js at irishbroadband.ie>
To: <juniper-nsp at puck.nether.net>
Sent: Saturday, April 02, 2005 12:42 AM
Subject: [j-nsp] SDH interface strangeness.


> Hi All,
>
> I have an M7i with a 4xSTM-1/OC3 SMIR PIC that I am having a little bit
> of difficulty with: When I push the SC connector home (with a click) the
> interface goes down, if I leave it pulled out a tiny bit it works fine.
> I have exactly the same setup at another site and all is well.  The
> router is connected to a Stratex SDH radio interface if that makes any
> difference.  This sounds to me as if I need to put some attenuation on
> this connection (it's the TX from the Radio).  Is this a common problem?
>
> All the best,
>
> John.
>
> --
> John Senior <js at irishbroadband.ie>
>
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