DC fiber cut: field report

Fri Jul 18 23:08:23 UTC 1997

Correct you are! Having spent 7 years of my career doing large OSP (OSP in 
this case is Outside Plant) installations around the country including 
direct buried, ducted and aerial I can confirm that these techniques are 
routinely employed. That makes 2 cable weenies!

-S

-----Original Message-----
From:	Jay R. Ashworth [SMTP:jra at scfn.thpl.lib.fl.us]
Sent:	Friday, July 18, 1997 2:38 PM
To:	Owen DeLong
Cc:	Dave O'Shea; stephen at clark.net; nanog at merit.edu
Subject:	Re: DC fiber cut: field report

On Fri, Jul 18, 1997 at 11:59:11AM -0700, Owen DeLong wrote:
> Gee, makes a good case for putting innerduct inside conduit and putting
> gas through it just to discourage BIFF. :-)

Am I the only one who's a cables and switches weenie enough to know
that the telco's _already do this_?  Large numbers of local multi-pair
trunking cables are pressurized with nitrogen, and they put pressure
drop alarms on them, so they know if one takes a hit.

Cheers,
-- jra
--
Jay R. Ashworth                                                jra at bayli  
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