Highway Gateway: It is used to interface data highway network with LCN(Local Control Network).The data highway boxes includes BC (Basic Controller),MC (Multifunction Controller), AMC (Advanced Multifunction Controller) etc
NIM: It means Network Interface Module.It is used to interface UCN (Universal Control Network) network with LCN(Local Control Network).The UCN nodes includes LM(Logic Manager),PM(Process Manager), HPM(High-Performance Process Manager),FSC(fail Safe Controller) etc…
LCN: It means Local Control Network.It is a broadcast type of Local control network.Types of LCN nodes: Universal Station / GUS History Module Application Module / APP / PHD Network Interface Module Computer Gateway Network Gateway Hiway Gateway / EPLCG UCN:Universal Control Network
Nework Gateway: It is used to connect two different LCN Networks.