International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 50136-2-1:1998
Title Alarm systems - Alarm transmission systems and equipment - Part 2-1: General requirements for alarm transmission equipment
Project Number 4979
Abstract/Scope This standard specifies the general requirements for alarm transmission equipment used in alarm transmission systems. This standard does not specify the equipment used to display the information at the alarm receiving centre or the installation of equipment. Additional requirements for specific types of alarm transmission equipment are given in separate documents as parts of this standard. This does not preclude the use of any alarm transmission equipment not covered by one of these specific documents, provided that it meets these general requirements


Current Stage code 6060
Current Stage code date 1998-01-06
Current Stage code deadline 1998-08-01
Deadline date for vote  


Order Voucher  


IEC Technical Body  
Reference Document  
ICS 13.320 - Alarm and warning systems
Keywords Alarm system; Transmission; Equipment requirement
Note Corrigendum to EN issued April 1998 * Superseded by EN 50136-2:2013
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 1998-01-06 1998-08-01 export to doc file  EN
6020 1997-08-01 1997-11-01  
5099 1997-07-01 1997-08-01  
5062 1997-04-10 1997-07-01  
5020 1996-09-10 1997-03-15  
3090 1994-05-18 1996-12-31  
3020 1993-12-20 1994-04-30  
2020 1993-06-30 1993-12-30  

Implementation Dates

date of Ratification (DOR) (1) 1997-07-01
date of Availability (DAV) (2) 1998-01-06
date of Announcement (DOA) (3) 1998-02-01
date of Publication (DOP) (4) 1998-08-01
date of Withdrawal (DOW) (5) 2002-08-01


Superseded by EN 50136-2:2013
Normative reference (6)  

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.