The LAN Servers are Plug-and-Play data concentrators for Energy Meter, Network Analyzer and Power Meter products. The LAN Server allows an easy and reliable connection of several instruments to a data communication network. It is an innovative product designed to implement fast data communication between a supervisory PC and a set of measurement instruments connected through LAN, WAN or Internet. Instruments may be of different kinds and are automatically recognized through a unique coding. This Plug-and-Play product collects the measurement data from different devices connected via a Modbus serial bus. Data are made available on LAN, WAN or Intranet through an HTTP interface and are accessible using simultaneously a standard browser or a Modbus/TCP Application.