[156933] in North American Network Operators' Group
Re: Angled Polish Connectors and DWDM
daemon@ATHENA.MIT.EDU (ML)
Sun Sep 30 13:16:06 2012
Date: Sun, 30 Sep 2012 13:15:44 -0400
From: ML <ml@kenweb.org>
To: Mikael Abrahamsson <swmike@swm.pp.se>
In-Reply-To: <alpine.DEB.2.00.1209301843090.13902@uplift.swm.pp.se>
Cc: nanog@nanog.org
Reply-To: ml@kenweb.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 9/30/2012 12:46 PM, Mikael Abrahamsson wrote:
> On Sun, 30 Sep 2012, ML wrote:
>
>> So far our PMD testing has come back clear.
>
> How have you done the PMD testing?
>
> For verifying PMD and CD through an actual wavelength (not per-fiber,
> but through all the ADMs etc), I haven't really been able to find a
> good solution. Suggestions welcome.
>
All tests done per span on dark fiber.
CDs via a Nettest FD440: 1520nm to 1640nm
PMD via a PerkinElmer* device: Just at 1550nm.
-ML
Couldn't find a model number in the test results. Just a reference to
PerkinElmer.
