Helixnet: What is the Four-wire interface module (HLI-4W2) for HelixNet?
Four-wire interface module (HLI-4W2):This is a two channel device that enables interoperability with the Eclipse digital matrix system
and other four-wire audio sources (telephone hybrids, AB-120/-100, PA (Public Address) /
SA (Stage Announce) systems. The module also enables HelixNet-to-HelixNet connections
using four-wire audio ports. Two four-wire connectors (Ethernet type RJ45 socket) are provided
with the following pin out: