NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 50136-2-4 ; VDE 0830-5-2-4:2000-04 [Withdrawn] references following documents:

Document number Edition Title
EN 50136-1-4 1998-01 Alarm systems - Alarm transmission systems and equipment - Part 1-4: Requirements for systems with voice communicators using the public switched telephone network More 
EN 50136-2-1 1998-01 Alarm systems - Alarm transmission systems and equipment - Part 2-1: General requirements for alarm transmission equipment More