LEF Series Architectural and Engineering Specifications Updated on January 28th, 2026 These are A&E (Architectural and Engineering) specifications for various LEF Series answering stations. https://static.helpjuice.com/helpjuice_production/uploads/upload/image/31962/direct/1769639563879/LEF-3C-Arch-Spec.dochttps://static.helpjuice.com/helpjuice_production/uploads/upload/image/31962/direct/1769639563873/LEF-10C-Arch-Spec.dochttps://static.helpjuice.com/helpjuice_production/uploads/upload/image/31962/direct/1769639563868/LEF-10-Arch-Spec.dochttps://static.helpjuice.com/helpjuice_production/uploads/upload/image/31962/direct/1769639563864/LEF-3-Arch-Spec.dochttps://static.helpjuice.com/helpjuice_production/uploads/upload/image/31962/direct/1769639559455/LEF-5-Arch-Spec.dochttps://static.helpjuice.com/helpjuice_production/uploads/upload/image/31962/direct/1769639559453/LEF-5C-Arch-Spec.doc LEF Series Architectural and Engineering Specifications