Fiber Optic Power lvl

I own a 20" Imac (2006) for 3 years I have been using the fiber optic output to my receiver via a 3 port fiber optic switch shared with a windows cpu and my tv. It took me about 6 different types of switches that to find one that did not reduce the signal to the point it was inoperable.
About 6 months ago it just decided to stop working I assumed the cable had been damaged due to a 1 year old yanking on it. So I put off investigation until I got around to obtaining a new cable 10' (old was 10'as well) when I replaced the cable, however, it still would not work.
I figured my switch had gone bad or something so I then checked the other devices just to be sure they still worked. I even switched to the port the Imac was using with no problems (using the new and old cables that were for the Imac). I can bypass the fiber switch and plugged the Imac directly into the receiver with no problems. While not detrimental I used to enjoy not having to expose my fiber ends to potential danger of contamination or damage. Not to mention not having to reach behind my receiver when I want to switch devices.
I do realize my problem ma be a bit unique but has anyone heard or know if a update has recently lowered the power output of the Imac's TOSLink output port? Or if anyone knows of a better fiber switch with 3 ports that may have less loss I have tried 6 ranging from $9.99 to $78 the one I am using is
http://www.amazon.com/gp/product/B0014Z29RW/ref=pdlpo_k2_dp_sr_3?pf_rd_p=486539851&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0 00812QC6&pf_rd_m=ATVPDKIKX0DER&pf_rdr=11S9KZYH7K9B3BJ8QPHB
Any help or input would be greatly appreciated

I haven't heard of anything about an alternate power source for Digital Voice. I don't see how that is possible considering Digital Voice essentially works just like FiOS POTS does. The ONT still needs to be powered by the Battery Backup or AC Power, and that's all that would be to it.
Now that you have FiOS, it's going to be difficult to get the Copper service reconnected. Verizon will not normally reconnect the copper unless there's something extreme or there is a medical need that requires the assurance of a copper line. You can ask around to see if you can get it connected or not, but failing that, I would invest in a small generator (tiny camping one, power draw is basically idle run lol) to keep the ONT powered up as needed for the phone service, if it is at all possible to do. The Fiber Optic cabling will remain lit since the Central Office should remain powered off of Diesel Generators/Turbines/Batteries for quite a while.
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The first to bring me 1Gbps Fiber for $30/m wins!

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