On Mon, Oct 12, 2015 at 10:46:59PM +0200, Baldur Norddahl wrote: > Here is a small secret: If you attenuate the PON port so the signal level > at the OLT is as low as possible, your network will be more robust against > people connecting P2P fiber media converters to your network. This is > because these devices typically have TX power that is significantly less > than your ONUs. By attenuate the signal you can bring the rogue signal > below the detection threshold of the OLT. > > In my experience one way to do this is to always use 1:128 splits. Even if > you are only going to connect less than 32 ONUs, you will find that 1:128 > can be more robust. In fact I discovered this little trick after we started > using 1:128 splits (for flexibility, not because we actually connect that > many clients). Because the fiber plant is shared with other service
Wouldnt a 1:32 splitter + a 9dB attenuation be the same? From the price/performance the 1:128 splitter should be much more expensive. We have seen happening the same converting a former p2p footprint to GPON and somebody got a left over p2p device connected. But this was a single incident so far. Flo -- Florian Lohoff f...@zz.de We need to self-defend - GnuPG/PGP enable your email today!
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