SSH EN 50136-2-3:1998

Alarm systems - Alarm transmission systems and equipment - Part 2-3: Requirements for equipment used in systems with digital communicators using the public switched telephone network

Scope

This standard specifies in addition to the requirements specified in EN 50136-2-1, the requirements for equipment used in digital communicator systems utilising the Public Switched Telephone Network. The remote centre will normally be an alarm receiving centre but may be a satellite station with onward transmission using an alarm transmission system meeting the requirements of EN 50136-1-2. NOTE: a satellite station is a normally unmanned connection point to which one or several alarm transceivers are connected for onward connection to an alarm receiving centre