JT/T 1076-2016 English PDF (JTT1076-2016)

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JT/T 1076-2016: GNSS system for operating vehicles - Technical specification for onboard video terminals
JT/T 1076-2016
JT
TRANSPORTATION INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 03.220.20; 33.160.99
M 32
Registration No..
GNSS System for Operating Vehicles -
Technical Specifications for Vehicle Video Terminal
ISSUED ON. OCTOBER 21, 2016
IMPLEMENTED ON. JANUARY 1, 2017
Issued by. Ministry of Transport of the People’s Republic of China
Table of Contents
Foreword ... 4 
1 Scope ... 5 
2 Normative References ... 5 
3 Terms, Definitions and Abbreviations ... 6 
3.1 Terms and Definitions ... 6 
3.2 Abbreviations ... 6 
4 General Requirements ... 7 
4.1 Basic Requirements ... 7 
4.2 Terminal Composition ... 7 
5 Functional Requirements ... 8 
5.1 Basic Requirements ... 8 
5.2 Requirements of Audio and Video Recording ... 8 
5.3 Requirements of Local Search, Playback and Data Backup ... 13 
5.4 Requirements of alarm ... 13 
5.5 Requirements of data security ... 14 
5.6 Requirements of network function ... 15 
5.7 Requirements of image analysis ... 16 
5.8 Functional Requirement of Reading SIM Card Number ... 17 
5.9 Functional Requirement of TCP Link Timeout Value Setting ... 17 
5.10 Technical Requirements of Camera ... 17 
5.11 Technical Requirements of Pickup ... 18 
6 Performance Requirements ... 19 
6.1 Requirements of Electrical Performance ... 19 
6.2 Requirements of Environmental Adaptability ... 19 
6.3 Requirements of Electromagnetic Compatibility ... 19 
7 Installation Requirements ... 19 
8 Test Methods ... 19 
8.1 Test Conditions ... 19 
8.2 Functional Test ... 20 
8.3 Electrical Performance Test ... 25 
8.4 Environmental Adaptability Test ... 25 
8.5 Electromagnetic Compatibility Test ... 25 
Appendix A (Normative) Interface Form of Simulated Camera Audio-video
Connector and Disaster Backup Storage Device Connector on the Video
Terminal ... 26 
Appendix B (Normative) Minimum Performance Requirements and Test
Methods for Disaster Protection of Disaster Backup Storage Device ... 29 
Appendix C (Normative) Mechanical Environment Adaptability Test under the
Operating State when Main Storage Device is Hardware ... 31 
GNSS System for Operating Vehicles -
Technical Specifications for Vehicle Video Terminal
1 Scope
This Standard specifies the general requirements, functional requirements,
performance requirements, installation requirements and test methods of vehicle video
terminal of GNSS system for operating vehicles.
This Standard is applicable to the design, manufacture, inspection and installation of
main engine, camera and other external equipment of vehicle video terminal of GNSS
system for operating vehicles.
2 Normative References
The following documents are indispensable to the application of this Standard. In terms
of references with a specified date, only versions with a specified date are applicable
to this Standard. The latest version (including all the modifications) of references
without a specified date is applicable to this Standard.
GB/T 2423.5 Environmental Testing for Electric and Electronic Products - Part 2.
Test Methods - Test Ea and Guidance. Shock
GB/T 2423.10 Environmental Testing for Electric and Electronic Products - Part 2.
Test Methods - Test Fc and Guidance. Vibration (Sinusoidal)
GB/T 15865 Video Cameras (PAL/SECAM/NTSC) - Methods of Measurement -
Part 1. Non-broadcast Single-sensor Cameras
GB/T 19056-2012 Vehicle Travelling Data Recorder
GB/T 20090.2 Information Technology - Advanced Coding of Audio and Video -
Part 2. Video
GB 20815-2006 Digital Video Record Equipment of Video Surveillance System in
Security and Protection Systems
GB/T 25724 Technical Specifications for Surveillance Video and Audio Coding for
Public Security
GJB 367A General Specifications for Military Communication Equipment
JT/T 325-2013 Type Dividing and Class Rating for Commercial Motor - Vehicles
f) Disaster backup storage device interface for real-time mirror image recording;
g) USB Host 2.0 or above standard interface.
The main engine should include Ethernet interface and WIFI module.
4.2.2 External equipment
External equipment shall comply with the stipulation in 4.1.2 in JT/T 794-2011; it shall
also include the following devices.
a) Vehicle-mounted camera;
b) Pickup;
c) Main storage device, which is removable.
Real-time mirror image disaster backup storage device, passenger counting device
and driving behavioral analysis device are optional external equipment.
4.2.3 Form of interface
Please refer to A.1 for the form of audio and video connector interface of video terminal.
Please refer to A.2 for the form of connector interface of disaster backup storage device.
5 Functional Requirements
5.1 Basic Requirements
5.1.1 The functions of the terminal shall satisfy stipulations in Chapter 5, other than
5.4.8 and 5.4.9 in JT/T 794-2011; specifically speaking, the mode of communication
should also support TD-LTE or FDD-LTE, etc.
5.1.2 The overall performance of the terminal shall comply with the stipulation in 6.1 in
JT/T 794-2011.
5.1.3 The performance of the terminal’s satellite positioning module shall comply with
the stipulation in 6.2 in JT/T 794-2011.
5.1.4 The performance of the terminal’s wireless communication module shall comply
with the stipulation in 6.3 in JT/T 794-2011.
5.2 Requirements of Audio and Video Recording
5.2.1 Audio and video signal compression mode
The adopted audio and video signal compression mode shall be clearly indicated in
Image resolution (pixel) shall at least be 704 x 576 (D1). One route shall adopt 1,280
x 720 (720P) or above; horizontal resolution shall be more than or equals to 400 TVL.
5.2.4 Requirements of playback image quality
5.2.4.1 Subjective evaluation indexes
The playback image screen information shall not manifest obvious defects, frozen
pictures or frame losses. When an object is moving, the edges of the image shall not
manifest obvious jags, trailing, mosaics or breakages, etc.
5.2.4.2 Objective evaluation indexes
In terms of system with multi-channel audio and video acquisition, the resolution of
playback video of various channels shall be clearly indicated in product’s technical
documents. The local playback image’s horizontal resolution of corresponding
resolution shall comply with the following requirements.
a) In terms of playback image whose resolution (pixel) is 704 x 576 (D1), the
horizontal resolution shall be more than or equals to 400 TVL;
b) In terms of playback image whose resolution (pixel) is 960 x 576, the horizontal
resolution shall be more than or equals to 500 TVL;
c) In terms of playback image whose resolution (pixel) is 1,280 x 720, the
horizontal resolution shall be more than or equals to 650 TVL;
d) In terms of playback image whose resolution (pixel) is 1,920 x 1,080, the
horizontal resolution shall be more than or equals to 800 TVL.
5.2.5 Requirements of total resources of video recording
Under the circumstance when all cameras and one route pickup that the equipment
practically supports are initiated for recording, the vehicle-mounted terminal shall have
the capability of at least 150 h of video recording. In addition, the image playback shall
comply with the stipulation in 5.2.4.1 and 5.2.4.2.
Total resources of video recording have the following specific requirements.
a) Be equipped with multi-channel audio and video acquisition system; the coded
video frame rate of Channel 2 shall at least be ...