MH/T 4050-2018 in English
VALIDThe configuration specification of civil aviation AFTN/SITA communication system
- Issued on:2018-12-14
- Implemented on:2019-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$175.00
| Standard No: | MH/T 4050-2018 |
| Document status: | VALID |
| Title in English: | The configuration specification of civil aviation AFTN/SITA communication system |
| Title in Chinese: | 民用航空自动转报系统配置规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2018-12-14 |
| Implemented on: | 2019-04-01 |
| Professional Classification: | MH-Civil Aviation |
| Related Keywords: | civil aviation aftn/sita communication system introduction interpretation
standard configuration dimensions class monthly master-slave system switchover transmission system configuration specification |
| Related Topics: | mh/t
Automatic matching System Configuration Scheme degree system configuration Automatic acid preparation General purpose for aviation automatic test system mh/t 4049-2018 Aviation automation Automatic sample matching Call Home QB/T 4050 |
Introduction
Interpretation of the core content of the standard
| Configuration dimensions | Class I nodes | Class II nodes | Class III nodes |
|---|---|---|---|
| Processing capacity (shares/hour) | ≥50,000 | ≥20,000 | ≥10,000 |
| Number of synchronous interfaces | ≥32 | ≥16 | Optional |
| Storage period | 6 months | 6 months | 30 days |
Key Technical Requirements
The system must meet the requirements of GPS clock synchronization and dual power redundancy, including:
- Switchover time: The switchover between the primary and backup systems must be controlled within 5 minutes
- Communication protocol: The synchronous interface supports X.25/X.75, and the asynchronous interface must be compatible with the RS232 standard
- Scalability: ATN/AMHS network access capability must be reserved
Implementation Suggestions
Typical deployment plan
Take the first-class node of Capital Airport as an example: configure 2 sets of IBM Power Systems server cluster, using Cisco Nexus switches to build a dual-fiber ring network, and achieving triple routing assurance through MPLS VPN+satellite links.
Operation and maintenance key points
- Monthly master-slave system switchover drills
- Routing table capacity utilization rate controlled below 80%
- Establish interface protocol conversion test environment
Standard evolution analysis
Compared with the 2008 version of the standard, the 2018 version mainly strengthens the following:
- Added IP user access ratio requirements (Class I nodes ≥ 32)
- Specified that the transmission system must support FR frame relay and MPLS technologies
- Detailed three types of node configuration flexibility solutions
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