LAN and Telecom Cabling New techniques

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Subject Author Date
New techniques alodoiska 04-26-05
Posted by alodoiska on April 26, 2005, 7:37 am
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Hello everybody,

I would be grateful if someone could upgrade my knowledge on new
techniques to lay down fiber cable in urban areas, either in sewerage,
water conduit or directly in their own protective duct.

Are there any new techniques which enable minimum digging and damage to
streets and urban facilities to lay down fiber optic cable?

Thanks,

Antony



Posted by James Knott on April 26, 2005, 9:49 pm
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alodoiska wrote:

> Hello everybody,
>
> I would be grateful if someone could upgrade my knowledge on new
> techniques to lay down fiber cable in urban areas, either in sewerage,
> water conduit or directly in their own protective duct.
>
> Are there any new techniques which enable minimum digging and damage to
> streets and urban facilities to lay down fiber optic cable?

There used to be a company in Canada, called Stream Communications, who ran
fibre through sewer lines. They developed robots, that cleaned the line
and then attached the fibre to the wall. However, IIRC, they went under,
during that big bust a few years back.



Posted by alodoiska on April 27, 2005, 1:46 am
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Dear James,

What are new ways, what about electric utility network or else?

My area is a combination of urban area with narrow streets and highways
in between.

Antony



Posted by Justin Time on April 27, 2005, 8:27 am
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Among the issues of running fiber on electrical utility poles is the
cable support mechanism. Some of the newer fiber packages are using a
totally nonconductive construction allowing the fiber to be placed
within the required exclusion area for mounting other services to
utility poles. This is important in areas where you do have access to
the utility poles, but the density of electrical service lines would
cause a traditional fiber with either a metallic messenger wire or
strength strand to be mounted with less than the minimum clearance
under the fiber strand.



Posted by James Knott on April 27, 2005, 10:20 pm
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Justin Time wrote:

> Among the issues of running fiber on electrical utility poles is the
> cable support mechanism. Some of the newer fiber packages are using a
> totally nonconductive construction allowing the fiber to be placed
> within the required exclusion area for mounting other services to
> utility poles. This is important in areas where you do have access to
> the utility poles, but the density of electrical service lines would
> cause a traditional fiber with either a metallic messenger wire or
> strength strand to be mounted with less than the minimum clearance
> under the fiber strand.

Several years ago, I worked for a telecommunications company. We often ran
fibre into a building via electrical ducts. We could never have done that
with copper cables. Also, in some areas, the electical utility will run
fibre to customers, along side the AC power feeds.




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New techniques April 26, 2005, 7:37 am