NEM Instructions Updated on February 19th, 2026 Various instructions and app notes for the NEM System.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