[AusNOG] Water in Fibre cables

[Matthew Moyle-Croft]

On 09/03/2012, at 11:33 AM, XiTatiON wrote:

> http://blogs.cisco.com/wp-content/uploads/NBN-fibre-serving-area-550x388.jpg  (sorry not the best picture ever... couldn't find a better one though.)
> 
> So basically what happens is a single fiber runs from the OLT to a passive splitter that you will find in some of the old Telstra poles and pits around the place.  A single fiber is used for TX and RX using different wavelengths. 

Splitters are in roadside cabinets.  See this photo for an example:

http://1mmc.com/pub/nbn-roadside-cab.jpg

Top of the cabinet are the splitters - fibre connectors on the back panel are towards the customers.  

Moving customers around and connecting them is dead easy, just need a fibre cleaner.   You can see how easy it is to reposition customers between splitters if one runs out of bandwidth or you move to a new technology.

MMC
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