| http://www.w3.org/ns/prov#value | - Still another technique in the prior art to transmit upstream data through a PON lies in the use of a broadband light source such as an LED contained in each ONU. The broadband source must be broad enough so that the router is transparent to some of the light, i.e. the router will pass one band of light going downstream and at least a portion of the light going upstream.
|
