A physical layer (PHY) device including a first encoder, a second encoder, and a selector. The first encoder is configured to receive a first data stream at a first data rate, encode the first data stream using a first type of encoding, and output a first encoded data via a plurality of outputs. The...http://www.google.es/patents/US7994950?utm_source=gb-gplus-sharePatente US7994950 - 100BASE-FX serializer/deserializer using 1000BASE-X serializer/deserializer
100BASE-FX serializer/deserializer using 1000BASE-X serializer/deserializer
