network communication system, lighting system, remote control for use in network communication system and coordinator for use in a network communication system

摘要

A network communication system (2) comprises: a controlled network device (11) comprising a communication facility (16) for receiving a command signal (Sc); at least one remote control (20) for controlling at least one of the network devices (11), the remote control comprising a communication facility (26) for receiving and transmitting signals; one coordinator (40) comprising a communication facility (46) for receiving and transmitting signals, and a network definition memory (47) containing network definition information defining the network and the relationship between network components. The remote control comprises a backup memory (27) containing a backup copy of the network definition information. The remote control is capable of operating in a restoration mode in which the remote control transmits a restoration signal (SR) containing the network definition information from the backup memory. The coordinator is responsive to the restoration signal by storing the received network definition information into its network definition memory.