IEC-60839-5-2 Complete Document History
Alarm and electronic security systems - Part 5-2: Alarm transmission systems - Requirements for supervised premises transceiver (SPT)

Complete Current Edition:
   EDITION 2.0 - Requirements for supervised premises transceiver (SPT) - Feb. 1, 2016

Obsolete Revision Information:
   EDITION 1.0 - Alarm systems - Part 5: Requirements for alarm transmission - Jan. 1, 1991