Apparatus including a transceiver

An apparatus comprising:

• an input for receiving a stream comprising a plurality of data transmission units;
• a filter configured to identify, in the stream, at least one data transmission unit having control data of a predetermined type and wherein said apparatus is configured to at least remove said control data of the predetermined type from the identified at least one data transmission unit to increase an idle time between packets of the stream and thereby generate a second stream of data transmission units comprising said first stream with the control data of the predetermined type removed;
• a protocol module configured to receive said second stream from the parser and identify, in the second stream, at least one data transmission unit of a predetermined type and add protocol information to ends of the at least one data transmission unit of the predetermined type;
• and
• wherein the apparatus being configured to remove said control data of the predetermined type from said identified at least one data transmission unit provides time in said second stream for the addition of the protocol information;
• and
• wherein the apparatus includes a transceiver configured to output signals representative of said data transmission units of the second stream with said protocol information added to a transmission medium.