NEN-EN 50136-2-4
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
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 January 1998 |
| Status: | inactive |
| Page Count: | 10 |
| ICS Code (Alarm and warning systems): | 13.320 |
| ICS Code (Transmission systems): | 33.040.20 |
scope:
Specifies the requirements for equipment used in voice communicator systems utilising the Public Switched Telephone Network.
Document History
NEN-EN 50136-2-4
January 1, 1998
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
Specifies the requirements for equipment used in voice communicator systems utilising the Public Switched Telephone Network.
October 1, 1996
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
Specifies the requirements for equipment used in voice communicator systems utilising the Public Switched Telephone Network.