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Alarm systems - Part 5- Requirements for alarm transmission systems - Section 5- Requirements for digital communicator systems using the public switched telephone network. CEI/IEC 60839-5-5:1991. Original standard IEC 60839-5-5-1991 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Alarm systems - Part 5- Requirements for alarm transmission systems - Section 6- Requirements for voice communicator systems using the public switched telephone network. CEI/IEC 60839-5-6:1991. Original standard IEC 60839-5-6-1991 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Alarm systems - Part 7-1- Message formats and protocols for serial data interfaces in alarm transmission systems - General. IEC 60839-7-1:2001. Original standard IEC 60839-7-1-2001 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Alarm systems - Part 7-11- Message formats and protocols for serial data interfaces in alarm transmission systems - Serial protocol for use by digital communicator systems using ITU-T Recommandation V.23 signalling at interfaces with the PSTN. CEI/IEC 60839-7-11:2001. Original standard IEC 60839-7-11-2001 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Alarm systems - Part 7-12- Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling. CEI/IEC 60839-7-12:2001. Original standard IEC 60839-7-12-2001 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Alarm systems - Part 7-2- Message formats and protocols for serial data interfaces in alarm transmission systems - Common application layer protocol. CEI/IEC 60839-7-2:2001. Original standard IEC 60839-7-2-2001 in PDF full version. Additional info + preview on request

Document status: Withdrawn