Plastic Optical Fiber bandwidth spec ?

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Bandwidth of an optical fiber(pof) is specified as Mhz-Km and typically a plastic optical fiber (pof - used in toslink cables) is about 5 Mhz-Km. I suppose that means if the pof was 1 Km long then the most bandwidth you can get is 5Mhz. But does that mean if the pof was only 1m long then its bandwidth is 500Mhz ? (or alteast in that order of magnitude – like 100+Mhz) ?
 
It would be a typical toslink receiver/transmitter for spdif.
Now if its the receiver or transmitter that sets the data rate limit and if that is ~25Mb/s then that should be ample for cdda over toslink, correct ?
 
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