TB/T 3368-2018 in English
VALIDTechnical specification for network management system of optical repeater of Global System Mobile communications-Railway(GSM-R)
- Issued on:2018-01-11
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$408.00
| Standard No: | TB/T 3368-2018 |
| Document status: | VALID |
| Title in English: | Technical specification for network management system of optical repeater of Global System Mobile communications-Railway(GSM-R) |
| Title in Chinese: | 铁路数字移动通信系统（GSM-R）光纤直放站网络管理系统技术条件 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2018-01-11 |
| Implemented on: | 2018-07-01 |
| Professional Classification: | TB-Railway Transport |
| Related Topics: | gsm-r
Direct Network Repeater Direct light system TB/T 3474.2-2018 tb/t3539-2018 |
Introduction
Interpretation of the core content of the standard
The TB/T 3368-2018 standard specifies the technical requirements for the GSM-R fiber optic repeater network management system, covering the monitoring and management of the near-end unit and remote-end unit, and is an important basis for the manufacture of railway communication equipment.
System Architecture and Functions
| Components | Functional Requirements | Technical Indicators |
|---|---|---|
| Network Management Center | Configuration/Fault/Performance Management | Support ≤500 nodes |
| Monitoring Module | Data Collection and Reporting | Alarm Delay ≤10s |
Key Communication Protocols
Four-layer protocol architecture is adopted:
- Bearer layer: UDP protocol (port 10000/20000)
- Access layer: escape processing and CRC check
- Network layer: unique identification of device number
- Application layer: command/data object definition
Typical implementation case
Scenario: When a digital fiber repeater is deployed on a high-speed railway line, the following is achieved through the network management system:
- Remote monitoring of FPGA version (data object 0x0080)
- Automatic reporting of optical module switching (report type 6)
- Northbound interface connected to railway integrated network management
Technology evolution analysis
Main improvements compared to earlier versions:
- Added special parameters for digital repeaters (such as 0x0381 digital signal abnormality alarm)
- Refined the environmental monitoring interface (YD/T 1363.2 compatible)
- Strengthened network security (user authority classification)
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