The BK2000 Bus Coupler connects the Lightbus system to the electronic terminal blocks, which can be expanded in modular fashion. One unit consists of one Bus Coupler, any number of up to 64 terminals and one end terminal.
SCALANCE XB008 Unmanaged Industrial Ethernet Switch for 10/100 Mbit/s; for setting up small star and line topologies; LED diagnostics, IP20, 24 V AC/DC power supply, with 8x 10/100 Mbit/s twisted pair ports with RJ45 sockets; Manual available as a download .
Rockwell Allen Bradley 1783-LMS8 Stratix 2500 Lightly Managed EtherNet Switch, 8 x Fast Ethernet 10/100Mbps Copper Ports RJ45, 12-24V DC Power, DIN Rail Mounting, IP30