IEC 60839-7-20:2001
Withdrawn
Alarm systems - Part 7-20: Message formats and protocols for serial data interfaces in alarm transmission systems - Terminal interfaces employing ITU-T Recommendation V.24/V.28 signalling
Hardcopy , PDF
English, English - French
03-09-2001
10-14-2022
FOREWORD
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Layer 7 - Application functions
6 Layer 4 - Transport
7 Layer 2 - Data link
7.1 Configuration
7.2 Transmission system failure
7.3 Unsuccessful transmission
7.4 Connection integrity
8 Layer 1 - Physical
8.1 Transmitted octets
8.2 Signal levels
8.3 Transmission rate
Specifies the requirements for standard interfaces between the terminal transceiver of an alarm transmission system and the annunciation equipment. Employs signalling in accordance with ITU-T Recommendation V.24/V.28.
| Committee |
TC 79
|
| DevelopmentNote |
Stability Date: 2017. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Withdrawn
|
| IEC 60839-7-1:2001 | Alarm systems - Part 7-1: Message formats and protocols for serial data interfaces in alarm transmission systems - General |
| IEC 60839-7-2:2001 | Alarm systems - Part 7-2: Message formats and protocols for serial data interfaces in alarm transmission systems - Common application layer protocol |
| IEC 60839-7-3:2001 | Alarm systems - Part 7-3: Message formats and protocols for serial data interfaces in alarm transmission systems - Common data link layer protocol |
| IEC 60839-7-1:2001 | Alarm systems - Part 7-1: Message formats and protocols for serial data interfaces in alarm transmission systems - General |
| IEC 60839-7-4:2001 | Alarm systems - Part 7-4: Message formats and protocols for serial data interfaces in alarm transmission systems - Common transport layer protocol |
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