Muni Fiber Last Mile - a contrary opinion

Mon Dec 27 06:04:33 UTC 2010

On Dec 26, 2010, at 7:35 PM, Frank Bulk - iName.com wrote:

> 
>> -----Original Message-----
>> From: Owen DeLong [mailto:owen at delong.com]
>> Sent: Sunday, December 26, 2010 9:11 PM
>> To: Jared Mauch
>> Cc: NANOG
>> Subject: Re: Muni Fiber Last Mile - a contrary opinion
>> 
>> On Dec 26, 2010, at 4:37 PM, Jared Mauch wrote:
>> 
>>> You are likely already at the mercy of some local hut for your dialtone.
>> Very few things home run to the co these days. It's unlikely any hut has
>> more than 24 hours of battery.
>>> 
>> I know this is true where FTTN overlays have been built. However, in the
>> majority of California, at least, that is still more the exception than
>> the
>> rule and there is usually a Cat-3 Copper home-run for local dialtone.
> 
> [Frank Bulk]
> Here in the midwest each and every of the telcos that I've talked to or
> worked with feeds dialtone for their DSL customers from the same equipment
> that serves the DSL.  To do otherwise would require a splitter shelf in each
> node.
> 
In California, that is, by and large, the CO.

>> 
>>> I have talked to local techs that make the same trip each shift to fuel
>> the generator during regular or minor power outages. Anything major,
>> expect the service to die.
>>> 
>> If nothing else, I expect various other components in the system (trunk
>> overload, switch dialtone exhaustion, etc.)
>> in anything major anyway.
>> 
>> However, 24 hours of dialtone after something happens still exceeds the
>> average cablemodem duration after the
>> power flickers.
> 
> [Frank Bulk]
> Some MSOs (including ourselves) have power systems (e.g. Alpha) in place
> throughout the plant to provide backup power for at least some time.
> 

Does that back up the cablemodem in the residence? If not, game over.

Owen