SS EN 50136-2-4 Ed. 1 (1998)被替代
Alarm Systems - Alarm Transmission Systems And Equipment - Part 2-4: Requirements For Equipment Used In Systems With Voice Communicators Using The Public Switched Telephone Network
出版：Standardiserings-Kommissionen I Sverige
專家解讀視頻
基本信息
標準編號： SS EN 50136-2-4 Ed. 1 (1998)
發布時間：1998/5/29 0:00:00
標準類別：Standard
出版單位：Standardiserings-Kommissionen I Sverige
標準頁數：9
標準簡介
Defines the requirements for equipment for voice communicator systems using the Public Switched Telephone Network, additional to those defined in EN 50136-2.
替代本標準的新標準
