[AusNOG] Simon Hackett's presentation from Comms Day yesterday - NBN fibre on copper prices

[Andrew Jones]

On 22.07.2013 15:11, Karl Auer wrote:
> On Mon, 2013-07-22 at 14:36 +0930, Brad Gould wrote:
>> On 22/07/2013 1:42 PM, Christopher Mclean wrote:
>> > Actually the way the fibre system is done may make it a bit harder 
>> to
>> > attack. Can’t ringbark and alligator clip fibre.
>>
>> Actually, you can. Depending on the scenario, you can do it and not
>> damage/mark the sheath at all.
>
> OK, I'll bite. How do you get light through the sheath of a fibre
> without damaging or marking it? Or are you stipulating access to the
> ends or a join?
>
> Regards, K.

 From https://en.wikipedia.org/wiki/Fiber_tapping :
Test equipment can simply put a bend in the fibre and extract 
sufficient light to identify a fibre or determine if a signal is 
present.

Presumably if that method can be used for getting light out of the 
fibre, you could also use it to inject light in. Whether it would be 
easy to put enough light to cause interference through the sheath is 
another question.