The HLI-ET2 Ethernet linking module provides a dual LAN interface to connect to other HelixNet main stations. Up to three stations can be connected over a LAN. Once connected, stations share party-line channels and program audio and makes available to any station and belt pack on the linked system. All labels are transferred across the network automatically. HelixNet main stations accepts linking as well as two-wire and four-wire optional interface modules, offers seamless connectivity to LAN and virtually all common two-wire and four-wire audio systems.