Hi Tassos.
I would think that putting them on the receiver side would be best. This way
they will attenuate the noise along with the signal.
John
John Souvestre - Southern Star & Integrated Data Systems - www.sstar.com
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:cisco-nsp-
> [EMAIL PROTECTED] On Behalf Of Tassos Chatzithomaoglou
> Sent: Friday, October 26, 2007 8:31 AM
> To: cisco-nsp
> Subject: [c-nsp] Where do you put the optical attenuators?
>
> Does anyone know if in-line optical attenuator have to be connected on the
> receiver side only?
>
> For example in the following link
>
>
> A---------------------C
> SW1 SW2
> B---------------------D
>
> SW1 is transmitting through A and receiving through B
> SW2 is transmitting through D and receiving through C
>
> Where is the best place to put the attenuators? B & C?
> Can i put them on A & B?
>
> I did some tests putting them on every possible side (as long as there is one
> on each fiber strand) and all of them worked, but i
> was wondering if there is a best practice about them.
>
> --
> Tassos
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