BS EN 50136-1-3:1998 Alarm systems - Alarm transmission systems and equipment - Requirements for systems with digital communicators using the public switched telephone network
This standard specifies the requirements for digital communicator systems utilizing the Public Switched Telephone Network which are in addition to those specified in EN 50136-1-1.
It covers switched connections providing event driven signalling between an alarm system and a remote centre. The information will be transmitted using digitized signals to automatic receiving centre transceivers at remote centres. A facility may be included to provide an audio channel.
The remote centre will normally be an alarm receiving centre but may be a remote centre with onward transmission using an alarm transmission system meeting the requirements of EN 50136-1-2.
BS EN 50136-1-3:1998 history
2012BS EN 50136-1:2012 Alarm systems. Alarm transmission systems and equipment General requirements for alarm transmission systems
1998BS EN 50136-1-3:1998 Alarm systems - Alarm transmission systems and equipment - Requirements for systems with digital communicators using the public switched telephone network