TAC NETWORK 8000 GCM Echelon Network Interface Module Manual

This document describes the Echelon Network Interface Module (NIM), an optional plug-in communication controller for the TAC NETWORK 8000 Global Control Module (GCM) series, providing peer-to-peer LonWorks-based LAN connectivity for building automation systems. It covers specifications, cable compliance, accessories, and the ability to connect GCM-86000 and GCM-84000 controllers for cost-effective system upgrades.