The most common were Ethernet, Token Ring, ARCNet, and LocalTalk. Late comers to the fray were FDDI and ATM. All these signaling schemes lost out, over time, to Ethernet, with the exception of ATM, ...
Large buildings and campuses are best protected by multiple panels that have been linked within a local area network and communicate via a proprietary protocol (BACnet, Arcnet, etc.). All integrated ...