[184623] in North American Network Operators' Group
Re: GPON Optical Levels
daemon@ATHENA.MIT.EDU (Colton Conor)
Mon Oct 12 11:58:02 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <CAMDdSzNWSfhVFY0Bde9xn=iT5epsxFtizjM9778MWx4=C+gTew@mail.gmail.com>
Date: Mon, 12 Oct 2015 10:57:58 -0500
From: Colton Conor <colton.conor@gmail.com>
To: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
Here is the link to the attachment as it looks like the list does not allow
uploading attachment:
https://drive.google.com/file/d/0B7sFULLCnLvFdllHQUl6dnJfZ00/view?usp=sharing
On Mon, Oct 12, 2015 at 10:47 AM, Colton Conor <colton.conor@gmail.com>
wrote:
> We are deploying our first GPON network, and are trying to get a sense of
> what is a good optical level per ONT. The equipment install guide says the
> following:
>
> Measure the levels of the 1550 dBm and 1490 dBm receive optical inputs
> using
>
> an optical power meter. The input range should be between -27.0 dBm to -8
>
> dBm.
>
>
> Attached are the measurements I can see and graph from the ONT side.
> Trying to get a sense of what range we would graph as good
> (green) measured within the clear, what we could consider yellow as working
> but out of optimal range, and what we could consider poor (red) range.
>
>
> What about the Laser Bias Current, Optics Module Voltage, and Optics
> Module temperature?
>
>
