NEM Instructions Updated on May 28th, 2026 Various instructions and app notes for the NEM System.Note: This station is discontinued and may no longer be supported. These instructions are provided to assist with operation and maintenance, and to guide upgrade paths.Download Download NEM and NDR Specification Sheets PC-359B (Add LE Series stations and speakers to NEM/NDR) NEM and NDRM Modifications NEM and NDR Wiring Diagrams NDR Instructions NEM Instructions NEM and NDRM Substations and Door Stations NEM and NDR Long Distance Station Instructions NEW-5 Instructions NEM-A Answering Station Specifications NE-JA Instructions N-20S, N-40AS Add On Selector Instructions N-EA Instructions NA-T/A Instructions LEF-5-NE/LEW-5-NE Instructions