Do the ONU support dying gasp functionality? Where they can send back a I just 
lost power message?

> On Feb 20, 2019, at 7:53 AM, Chris Fabien <[email protected]> wrote:
> 
> Your first troubleshooting step is look at customers down and why they are 
> down. Most OLTs will track whether an ONU is offline due to power loss vs 
> signal loss. 
> 
> When you get to finding an actual break, if the fiber is dark from the 
> customer end you ban use a normal otdr. They also make otdr that can run 
> trace on an active PON by using a high wavelength like 1650nm.
> 
> 
> 
>> On Wed, Feb 20, 2019, 7:22 AM Matt Hoppes 
>> <[email protected]> wrote:
>> With wireless - it's very easy to determine where the source of an 
>> outage is.... can I access the local side?  If so, then dispatch to 
>> remote side..... if not, then dispatch to local side.
>> 
>> How do you do that with fiber?  Especially GPON?  How do I know if an 
>> outage is caused by "power out to end points" or if something just 
>> "drove through/dug through my fiber lines", without dispatching someone 
>> first to the local side to shoot an OTDR?
>> 
>> Basically, how do you efficiently dispatch to resolve an issue in a 
>> timely fashion with fiber?  Is there a way to shoot an OTDR from an SFP 
>> optic so you know if it's a break or a remote end issue before even 
>> dispatching a tech?
>> 
>> -- 
>> AF mailing list
>> [email protected]
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
> -- 
> AF mailing list
> [email protected]
> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
-- 
AF mailing list
[email protected]
http://af.afmug.com/mailman/listinfo/af_af.afmug.com

Reply via email to