Detail of JT/T 794-XXXX

Introduction of JT/T 794-XXXX

1 Scope This standard specifies the general requirements, functional requirements, performance requirements and installation requirements of BD compatible vehicle terminal (hereinafter referred to as terminal) of the GNSS system for operating vehicles. This standard is applicable to the BD compatible terminal equipment in GNSS system installed on vehicle. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 19056 Vehicle Travelling Data Recorder GB/T 19951 Road Vehicles - Test Methods for Electrical Disturbances from Electrostatic Discharge GB/T 21437.2-2008 Road Vehicles - Electrical Disturbances from Conduction and Coupling - Part 2: Electrical Transient Conduction along Supply Lines Only GB/T 21437.3-2012 Road Vehicles - Electrical Disturbances from Conduction and Coupling - Part 3: Electrical Transient Transmission by Capacitive and Inductive Coupling Via Lines other than Supply Lines GB/T 28046.3-2011 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment - Part 3: Mechanical Loads JT/T 766-2009 Technical Requirements for Shipborne Monitoring Equipment of Beidou Navigation Satellite System JT/T 825 IC Card License for Road Transportation JT/T 905.2 Taxi Service and Management Information System - Part 2: Special Operation Equipment JT/T 1076-2016 GNSS System for Operating Vehicles - Technical Requirements for On-board Video Terminal QC/T 413 Basic Technical Conditions for Electric Equipment of Vehicle QC/T 417.1 Wire Harness Connector for Vehicle - Part 1: Definition - Test Methods and General Performance Requirements QC/T 420 Fuse-links for Motor Vehicles QC/T 730 Road Vehicle - Low Tension Cables with Thin Wall Insulated YD/T 1050 Test Specification for 800 MHz CDMA Digital Celluar Mobile Telecommunication Network: Terminal Part YD/T 1214 Technical Requirement of 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network General Packet Radio Service (GPRS)Equipment: Mobile Stations YD/T 1367 Technical Requirements for User Equipment of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network YD/T 1547 Technical Requirements for 2GHz TD-SCDMA Digital Cellular Mobile Communication Network User Equipment (Phase 3) YD/T 1558 Technical Requirements of Mobile Station for 2GHz CDMA2000 Digital Cellular Mobile Communication Network YD/T 2575-2013 Technical Requirements for Users Equipment of TD-LTE Digital Cellular Mobile Telecommunications Network (Phase 1) YD/T 2577-2013 Technical Requirements for User Equipment of LTE FDD Digital Cellular Mobile Telecommunication Network (Phase 1) 3 Terms, Definitions and Abbreviation 3.1 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 firmware embedded software operating in terminal microprocessor 3.1.2 electronic travel permit electronic data including vehicle information and passenger/goods information 3.1.3 start time of travelling time of vehicle changing to traveling state (at the speed larger than 0 km/h for more than 10s) from static state

Contents of JT/T 794-XXXX

Foreword I 1 Scope 2 Normative References 3 Terms, Definitions and Abbreviation 3.1 Terms and Definitions 3.2 Abbreviation 4 General Requirements 4.1 Terminal Composition 4.2 Appearance 4.3 Nameplate 4.4 Character, Figure and Mark 4.5 Material 4.6 Enclosure Protection 5 Function Requirements 5.1 Self-inspection 5.2 Positioning 5.3 Communication 5.4 Information Acquisition 5.5 Traveling Records 5.6 Snooping 5.7 Talking 5.8 Sleep 5.9 Warning 5.10 Terminal Management 5.11 Man-machine Interaction 5.12 Information Service 5.13 Polycentric Access 5.14 Remote Diagnosis of Vehicle Faults 5.15 Locking before Use 5.16 Automatic Closing of Communication 5.17 Two-way Voice Call 5.18 ETC Function 5.19 Basic Functional Requirements on Different Types of Operating Vehicle Terminals 6 Performance Requirements 6.1 Overall Performance 6.2 Satellite Positioning Module 6.3 Wireless Communication Module 6.4 Electrical Adaptability 6.5 Environmental Adaptability 6.6 Electromagnetic Compatibility 7 Installation 7.1 General Requirements 7.2 Installation of Terminal Host 7.3 Antenna Installation 7.4 Wiring Installation 7.5 Installation of External Equipment 7.6 Test after Installation Annex A (Normative) Basic Functional Requirements for Different Types of Operating Vehicle Terminals