IEC 60839-7-11:2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
10-14-2022
English, English - French
03-09-2001
FOREWORD
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Layer 7 - Application functions
6 Layer 4 - Transport
7 Notification of transmission errors
8 Monitoring of the interface to the PSTN
9 Layer 3 - Network
10 Layer 2 - Data link
11 Layer 1 - Physical
11.1 Transmitted octets
11.2 Signal levels
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