It's single-mode fibre, so is OK for long runs - but the installer might have 
been
trying to use the tech-speak to justify doing a lazy installation.
NBN's standards allow for  around 40m of flexible fibre inside the premises from
memory as a "standard install"  - or longer if needed to replicate an existing 
copper
telecommunications connection inside your home or business. If the homeowner 
wants the
NTU installed somewhere that requires longer fibre run internally they are 
supposed to
do it after confirming you'll pay for a non-standard connection fee.

See
http://nbnco.com.au/get-an-nbn-connection/home-and-business/connecting-fibre/fibreinstallation.html

Sounds like there is a lot of snow from installers trying to get away with the 
fewest
minutes on-site as they can get away with, irrespective of NBNCo's standards.



 


On 28/04/2014 11:56 AM, Scott Howard wrote:
> On Sun, Apr 27, 2014 at 6:38 PM, Rachel Polanskis <[email protected]>wrote:
>
>> Also, when it comes to the internal fibre link from the wall outside,
>> we were told it is Single Mode Fibre and so is only suitable for short
>> runs.
>>
> You probably mean Multi-mode fiber, which is only good for runs up to about
> 500 metres (but can do more depending on the wavelengths used).
>
> Single-mode fiber is good for runs measured in the 10's of kilometres or
> more.
>
>   Scott
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