An avionic communication unit with interface capabilities is provided. The communication unit includes at least one first type port, at least one second type port and a communication function. The at least one first type port is configured to couple a communication link using a first communication format to the communication unit. The at least one second type port is configured to couple a communication link using a second communication format to the communication unit. The communication function is configured to provide communications to and from an aircraft. The communication function is further configured to interface communications between the at least one first type port and the at least one second type port wherein avionic devices located on the aircraft and using different communication formats coupled to the respective ports can communicate.