Azbil Networks Instrumentation Module Communication Adaptor, Terminal Adaptor Models NX-CB1, NX-CL1, NX-CR1, NX-TL1, and NX-TR1 Network Instrumentation Modules make optimal distributed configuration a reality. Distributed modules execute cooperative control using Ethernet connectivity. This instrumentation offers an excellent solution for productivity and energy conservation needs. The terminal adapter is used for Ethernet chain ring connections (using side connector) No power supply is needed.