Specification for cables on board rolling stock - Part 3: Cables for communication networks
1 Scope
This part of TB/T 1484 specifies the service conditions, technical requirements, inspection methods, inspection rules, RAMS requirements, marking, packaging, transportation and storage of cables for communication networks for train communication network (TCN) on board rolling stocks and trains.
This part is applicable to TCN cables for communication networks for rolling stocks, and may also serve as a reference for other urban rail vehicles.
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 2951.11 Common test methods for insulating and sheathing materials of electric cables and optical cables - Part 11: Methods for general application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties (GB/T 2951.11-2008, IEC 60811-1-1: 2001, IDT)
GB/T 2951.12 Common test methods for insulating and sheathing materials of electric and optical cables - Part 12: Methods for general application - Thermal ageing methods (GB/T 2951.12-2008, IEC 60811-1-2: 1985, IDT)
GB/T 2951.13-2008 Common test methods for insulating and sheathing materials of electric and optical cables - Part 13: General application -Methods for determining the density - Water absorption tests - Shrinkage test (IEC 60811-1-3: 2001, IDT)
GB/T 2951.14 Common test methods for insulating and sheathing materials of electric and optical cables - Part 14: Methods for general application - Test at low temperature (GB/T 2951.14-2008, IEC 60811-1-4: 1985, IDT)
GB/T 2951.21 Common test methods for insulating and sheathing materials of electric and optical cables - Part 21: Methods specific to elastomeric compounds - Ozone resistance, hot set and mineral oil immersion tests (GB/T 2951.21-2008, IEC 60811-2-1: 2001, IDT)
GB/T 2951.42 Common test methods for insulating and sheathing materials of electric and optical cables - Part 42: Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrapping test after conditioning at elevated temperature - Wrapping test after thermal ageing in air - Measurement of mass increase - Long-term stability test - Test method for copper-catalyzed oxidative degradation (GB/T 2951.42-2008, IEC 60811-4-2: 2004, IDT)
GB/T 3048.4 Test methods for electrical properties of electric cables and wires - Part 4: Test of DC resistance of conductors
GB/T 4909.2 Test methods for bare wires - Part 2: Measurement of dimensions
GB/T 4909.3 Test methods for bare wires - Part 3: Tensile test
GB/T 4910-2009 Tinned round copper wire
GB/T 6995.1-2008 Markings for electric wires and cables - Part 1: General requirements
GB/T 6995.3 Markings for electric cables and wires - Part 3: Identifications of cables and wires
GB/T 11327.1-1999 Low-frequency telecommunication cables and wires with PVC insulation and PVC sheath - Part 1: General jest and measuring methods
GB/T 17650.1 Test on gases evolved during combustion of materials from cables - Part 1: Determination of the amount of halogen acid gas (GB/T 17650.1-1998, idt IEC 60754-2: 1991)
GB/T 17650.2 Test on gases evolved during combustion of materials from cables - Part 2: Determination of degree of acidity of gases by measuring pH and conductivity (GB/T 17650.2-1998, idt IEC 60754-2: 1991
GB/T 17651.2 Measurement of smoke density of cables burning under defined conditions - Part 2: Test procedure and requirements (GB/T 17651.2-1998, idt IEC 61034-2: 1997)
GB/T 18015.1-2007 Multicore and symmetrical pair/quad cables for digital communications - Part 1: Generic specification (IEC 61156-1: 2002, IDT)
GB/T 18380.12 Tests on electric and optical fibre cables under fire conditions - Part 12: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1kW pre-mixed flame (GB/T 18380.12-2008, IEC 60332-1-2: 2004, IDT)
GB/T 18380.22 Tests on electric and optical fibre cables under fire conditions - Part 22: Test for vertical flame propagation for a single insulated wire or cable - Procedure for diffusion flame (GB/T 18380.22-2008, IEC 60332-2-2: 2004, IDT)
IEC 61156-1: 2009 Multicore and symmetrical pair/quad cables for digital communications - Part 1: Generic specification
IEC 62153-4-3 Metallic communication cable test methods - Part 4-3: Electromagnetic compatibility (EMC)-Surface transfer impedance - Triaxial method
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.10-2013 and the following apply.
3.1
pair or one side of a quad
a pair of wires in two conductors in a twist quad or a quad
3.2
resistance unbalance
see Equation (1) for the definition of resistance unbalance between two conductors in a pair:
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Cable classification 4.1 Classification by purpose 4.2 Classification by oil resistance 5 Code 6 Specification 7 Service conditions 7.1 Environmental conditions 7.2 Maximum operating frequency of cables 8 Construction 8.1 Conductors 8.2 Insulation 8.3 Cable pair 8.4 Cable pair color sequence 8.5 Cable core 8.6 Shield 8.7 Sheath 8.8 Length of cable manufacturing 9 Technical requirements 9.1 Minimum bending radius 9.2 Physical and mechanical properties 9.3 Environmental performance 9.4 Electrical performance 9.5 Safety performance 10 Inspection method 10.1 General 10.2 Test method of structure 10.3 Test method for mechanical property 10.4 Environmental performance test method 10.5 Electrical property test method 10.6 Safety performance test method 11 Inspection rules 11.1 Inspection classification 11.2 Delivery inspection 11.3 Type inspection 11.4 Inspection items 12 Marking, packaging, transportation and storage 12.1 Marking 12.2 Packaging 12.3 Transportation and storage Annex A (Informative) Product code recommendation Annex B (Informative) Schematic diagram of A-end arrangement of cable core Bibliography
Specification for cables on board rolling stock - Part 3: Cables for communication networks
1 Scope
This part of TB/T 1484 specifies the service conditions, technical requirements, inspection methods, inspection rules, RAMS requirements, marking, packaging, transportation and storage of cables for communication networks for train communication network (TCN) on board rolling stocks and trains.
This part is applicable to TCN cables for communication networks for rolling stocks, and may also serve as a reference for other urban rail vehicles.
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 252 General diesel fuels
GB/T 2900.10-2013 Electrotechnical terminology - Electromagnetic compatibility (IEC 60050-461: 1984, IDT)
GB/T 2951.11 Common test methods for insulating and sheathing materials of electric cables and optical cables - Part 11: Methods for general application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties (GB/T 2951.11-2008, IEC 60811-1-1: 2001, IDT)
GB/T 2951.12 Common test methods for insulating and sheathing materials of electric and optical cables - Part 12: Methods for general application - Thermal ageing methods (GB/T 2951.12-2008, IEC 60811-1-2: 1985, IDT)
GB/T 2951.13-2008 Common test methods for insulating and sheathing materials of electric and optical cables - Part 13: General application -Methods for determining the density - Water absorption tests - Shrinkage test (IEC 60811-1-3: 2001, IDT)
GB/T 2951.14 Common test methods for insulating and sheathing materials of electric and optical cables - Part 14: Methods for general application - Test at low temperature (GB/T 2951.14-2008, IEC 60811-1-4: 1985, IDT)
GB/T 2951.21 Common test methods for insulating and sheathing materials of electric and optical cables - Part 21: Methods specific to elastomeric compounds - Ozone resistance, hot set and mineral oil immersion tests (GB/T 2951.21-2008, IEC 60811-2-1: 2001, IDT)
GB/T 2951.42 Common test methods for insulating and sheathing materials of electric and optical cables - Part 42: Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrapping test after conditioning at elevated temperature - Wrapping test after thermal ageing in air - Measurement of mass increase - Long-term stability test - Test method for copper-catalyzed oxidative degradation (GB/T 2951.42-2008, IEC 60811-4-2: 2004, IDT)
GB/T 3048.4 Test methods for electrical properties of electric cables and wires - Part 4: Test of DC resistance of conductors
GB/T 4909.2 Test methods for bare wires - Part 2: Measurement of dimensions
GB/T 4909.3 Test methods for bare wires - Part 3: Tensile test
GB/T 4910-2009 Tinned round copper wire
GB/T 6995.1-2008 Markings for electric wires and cables - Part 1: General requirements
GB/T 6995.3 Markings for electric cables and wires - Part 3: Identifications of cables and wires
GB/T 11327.1-1999 Low-frequency telecommunication cables and wires with PVC insulation and PVC sheath - Part 1: General jest and measuring methods
GB/T 17650.1 Test on gases evolved during combustion of materials from cables - Part 1: Determination of the amount of halogen acid gas (GB/T 17650.1-1998, idt IEC 60754-2: 1991)
GB/T 17650.2 Test on gases evolved during combustion of materials from cables - Part 2: Determination of degree of acidity of gases by measuring pH and conductivity (GB/T 17650.2-1998, idt IEC 60754-2: 1991
GB/T 17651.2 Measurement of smoke density of cables burning under defined conditions - Part 2: Test procedure and requirements (GB/T 17651.2-1998, idt IEC 61034-2: 1997)
GB/T 18015.1-2007 Multicore and symmetrical pair/quad cables for digital communications - Part 1: Generic specification (IEC 61156-1: 2002, IDT)
GB/T 18380.12 Tests on electric and optical fibre cables under fire conditions - Part 12: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1kW pre-mixed flame (GB/T 18380.12-2008, IEC 60332-1-2: 2004, IDT)
GB/T 18380.22 Tests on electric and optical fibre cables under fire conditions - Part 22: Test for vertical flame propagation for a single insulated wire or cable - Procedure for diffusion flame (GB/T 18380.22-2008, IEC 60332-2-2: 2004, IDT)
IEC 61156-1: 2009 Multicore and symmetrical pair/quad cables for digital communications - Part 1: Generic specification
IEC 62153-4-3 Metallic communication cable test methods - Part 4-3: Electromagnetic compatibility (EMC)-Surface transfer impedance - Triaxial method
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.10-2013 and the following apply.
3.1
pair or one side of a quad
a pair of wires in two conductors in a twist quad or a quad
3.2
resistance unbalance
see Equation (1) for the definition of resistance unbalance between two conductors in a pair:
Contents of TB/T 1484.3-2017
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Cable classification
4.1 Classification by purpose
4.2 Classification by oil resistance
5 Code
6 Specification
7 Service conditions
7.1 Environmental conditions
7.2 Maximum operating frequency of cables
8 Construction
8.1 Conductors
8.2 Insulation
8.3 Cable pair
8.4 Cable pair color sequence
8.5 Cable core
8.6 Shield
8.7 Sheath
8.8 Length of cable manufacturing
9 Technical requirements
9.1 Minimum bending radius
9.2 Physical and mechanical properties
9.3 Environmental performance
9.4 Electrical performance
9.5 Safety performance
10 Inspection method
10.1 General
10.2 Test method of structure
10.3 Test method for mechanical property
10.4 Environmental performance test method
10.5 Electrical property test method
10.6 Safety performance test method
11 Inspection rules
11.1 Inspection classification
11.2 Delivery inspection
11.3 Type inspection
11.4 Inspection items
12 Marking, packaging, transportation and storage
12.1 Marking
12.2 Packaging
12.3 Transportation and storage
Annex A (Informative) Product code recommendation
Annex B (Informative) Schematic diagram of A-end arrangement of cable core
Bibliography
