in further electrical communication with the multiplexer 40 and the demultiplexer 42 for generating a first block transport signal 55 to select the mux block transport mode and the demux block transport mode in response to the selected time period expiring in addition the first ellf module 54 may be in electrical communication with the first llf module 32 and the multiplexer 40 for detecting a first near end link disconnection between the first near end communication port 14 and the first near end phy module 28 in response to detecting the first near end link disconnection the first ellf module 54 generates the first links off signal 56 to disable the first near end communication port 14 and the first far end communication port 22 the error on the communication network 12 is based on at least one of a percentage of corrupted packets 18 20 received by at least one of the first near end communication port 14 and the second near end communication port 16 and a transmission signal level of the communication network 12 a similar second ellf module 58 is in electrical communication with the second near end phy module 30 for determining an error on the communication network 12 in response to determining an error the second ellf module 58 generates.