TB/T 3375-2018 in English
VALIDGlobal System for Mobile communications-Railway(GSM-R)-Cab integrated radio communication equipment
- Issued on:2018-07-16
- Implemented on:2019-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$388.00
| Standard No: | TB/T 3375-2018 |
| Document status: | VALID |
| Title in English: | Global System for Mobile communications-Railway(GSM-R)-Cab integrated radio communication equipment |
| Title in Chinese: | 铁路数字移动通信系统（GSM-R） 机车综合无线通信设备 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2018-07-16 |
| Implemented on: | 2019-02-01 |
| Professional Classification: | TB-Railway Transport |
| Related Keywords: | radio communication equipment introduction analysis
standard technical module key indicators test standards gsm-r voice unit complies gsm-r data service integration protection alarm system integration global system |
| Related Topics: | Wireless communication
digital signal path gsm-r wireless communication equipment wireless TB/T 3474.2-2018 tb/t3539-2018 |
Introduction
Analysis of the core content of the standard
| Technical module | Key indicators | Test standards |
|---|---|---|
| GSM-R voice unit | Complies with TB/T 3370.1-2018 Class I module | YD/T 1215 |
| Satellite positioning unit | Positioning accuracy ≤10m, capture time ≤60s | GB/T 21563 |
| 450MHz radio | Transmit power ≤ 5W, frequency tolerance ±1.5kHz | GB/T 28792-2012 |
Technology evolution background
This standard replaces the early railway wireless communication specifications, and the main upgrades are reflected in: GSM-R data service integration, dual-mode automatic switching mechanism and protection alarm system integration. Typical application cases include EMUs automatically switching to GSM-R/450MHz working mode through satellite positioning.
Implementation recommendations
Installation specifications
- Host dustproof grade: IP40 (GB/T 4208-2017)
- MMI waterproof grade: IP42 (vertical water protection)
- Antenna feeder bending radius ≥ 5 times the outer diameter
Maintenance strategy
It is recommended to replace the battery unit (capacity ≥ 3.3Ah) every 2 years and verify it regularly through the in-and-out inspection equipment:
- GPRS data channel status
- LBJ unit alarm function
- Recording interface level (-10±2dBm)
Electromagnetic compatibility requirements
The equipment must pass the stringent test specified in GB/T 24338.4:
- RF field immunity: 80MHz-1GHz 10V/m
- Electrostatic discharge: Contact discharge ±6kV
- Fast transient pulse group: ±2kV (power line)
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