Standard
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AS 1367:2023
[Current]Coaxial cable and optical fibre systems for the RF distribution of digital television, radio and in-house analogue television signals in single and multiple dwelling installations
AS 1367:2023 specifies requirements and guidelines for the design, installation, electrical safety aspects, working performance, final commissioning and maintenance of radio frequency (RF) distribution systems using passive and active components that enable the high quality distribution of off-air, in-house television and radio signals in single and multiple unit dwellings.
Published: 29/09/2023
Pages: 132
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Terms and definitions
1.5 Documentation provided with the system
1.6 Services
1.6.1 General
1.6.2 DVB-T and DVB-T2
1.6.3 DVB-S and DVB-S2 TV
1.6.4 FM radio
1.6.5 DAB+ radio
1.7 Locations
1.7.1 Dwelling categories
1.7.2 Service entry locations
1.7.3 Variations in equipment specifications
1.7.4 Provision of free-to-air digital services
1.7.4.1 Provision for FTA Digital TV services
1.7.4.2 Provision for DAB+ Radio services
1.7.4.3 Provision for FM Radio services
1.7.4.4 FTA antennas selection, location and impulsive noise consideration
1.7.4.5 System outlet signal characteristics
1.7.4.6 Legacy system structures
1.7.4.7 Subscription Pay TV and FTA TV services
1.7.4.8 Selecting free channel space
1.7.5 Component quality and aging
1.7.6 Documentation and labelling
2 Safety requirements
2.1 Application and general requirements
2.1.1 Application
2.1.2 General requirements
2.2 Antennas
2.2.1 General
2.2.2 Antenna earthing
2.3 Powering of cabled distribution system
2.3.1 Line powered
2.3.2 Remote powering and control signals via the outlet
2.3.3 Mains connected devices
2.4 Environmental protection
2.5 Transient and fault protection
2.5.1 General
2.5.2 Protection method choice
2.5.3 Equipotential bonding
2.5.3.1 General
2.5.3.2 Equipotential bonding technique
2.5.3.3 Installation of communications earth terminal (CET)
2.5.3.4 Bonding conductors
2.5.3.5 Component earthing cable
2.5.3.6 Fault current capacity
2.5.3.7 Earth loops
2.5.4 Mains isolation
2.5.4.1 General
2.5.4.2 Outlets
2.5.4.3 Single dwellings
2.5.4.4 Multiple dwellings
2.6 Proximity to and segregation from other systems
2.6.1 General
2.6.2 Segregation
3 Electromagnetic compatibility (EMC) requirements
3.1 General
3.1.1 Introduction
3.1.2 Application
3.1.3 Electromagnetic compatibility regulation
3.1.4 Specification
3.1.5 Theoretical basis
3.1.5.1 General
3.1.5.2 Sources of unwanted interference
3.2 Emission from a system (environment)
3.2.1 General
3.2.2 Measurement method
3.2.2.1 General
3.2.2.2 Configuration
3.2.2.3 Test signal
3.2.2.4 Measurement
3.2.2.5 Calibration
3.2.3 Emission field strength limits
3.3 Emission from a system (conduction)
3.4 Immunity of a system (environment)
3.4.1 General
3.4.2 System immunity limits from other transmitted services
3.4.3 Maximum unwanted interfering field strength
3.4.4 System immunity from impulsive noise
3.4.5 Method of measurement of the external immunity of a system
3.4.5.1 General
3.4.5.2 Operating conditions
3.4.5.3 Immunity measurement procedure
3.4.5.4 Interpretation of results
3.5 Immunity of a system (conduction)
3.5.1 General
3.5.2 Limits
3.5.2.1 Mains lead conduction
3.5.2.2 Non-mains lead conduction
4 Active distribution equipment
4.1 General
4.2 Environment
4.3 Electromagnetic compatibility
4.3.1 Emission from equipment
4.3.2 Immunity of equipment
4.4 Equipment earthing
4.5 Frequency range
4.6 Nominal impedance
4.6.1 General
4.6.2 Return loss
4.7 Gain
4.7.1 Gain and gain range
4.7.2 Frequency dependant gain (slope)
4.8 Amplitude flatness
4.8.1 General
4.8.2 Specification
4.8.2.1 Wideband flatness
4.8.2.2 Narrowband flatness
4.8.3 Conditions
4.9 Test points
4.10 Group delay — DVB-T, DVB-S, DVB-C, DAB+ and FM radio
4.11 Noise figure
4.12 Radio frequency isolation
4.12.1 Equipment with multiple outputs
4.12.2 Equipment catering for multiple trunks
4.13 Maximum output level capability
4.13.1 General
4.13.2 Methods of rating output level capability
4.13.3 Rating definitions
4.13.4 MOL rating methods
4.13.4.1 General
4.13.4.2 Second order distortion (IM2)
4.13.4.3 Third order distortion (IM3)
4.13.5 Conversion of MOL to DSR
4.13.5.1 General
4.13.5.2 De-rating of MOL rating by channel loading
4.13.5.3 Progressive de-rating of device DSR with cascaded active devices
4.13.6 DSR direct measurement with a single digital service
4.13.6.1 General
4.13.6.2 Service type and application IM
4.13.6.3 Derived DSR
4.13.7 DSR direct measurement by 1 dB compression of a loaded channel spectrum
4.13.7.1 General
4.13.7.2 Measurement detail
4.13.8 DSR direct measurement by wideband noise and a frequency notch
4.13.8.1 General
4.13.8.2 Measurement method
4.13.8.3 DSR method measurement criteria
4.13.8.4 Measurement implementation
4.14 Channel power measurement bandwidths
4.15 Automatic gain control (AGC)
4.15.1 Range
4.15.2 Variation
4.15.3 AGC response time
4.16 Screening effectiveness of equipment
4.17 Trunk path d.c. current capability of satellite IF amplifiers
4.18 Power supply
4.18.1 Rating
4.18.2 Supply voltages and power consumption
4.18.3 Supply power indicator
4.19 Labelling
5 Passive equipment
5.1 General
5.1.1 Application
5.1.2 Interpretation
5.2 Environment
5.3 Electromagnetic compatibility
5.3.1 General
5.3.2 Emission from equipment
5.3.3 Immunity of equipment
5.4 Equipment earthing
5.5 Nominal impedance
5.6 System outlet flylead
5.6.1 General
5.6.2 Connectors
5.6.3 Cable return loss
5.6.3.1 Flylead return loss
5.6.3.2 Structural return loss (SRL)
5.6.4 Attenuation
5.6.5 Screening
5.6.6 Dielectric
5.7 System outlet (wallplate)
5.7.1 General
5.7.2 TV/satellite diplexer
5.7.3 TV/FM radio diplexer
5.7.4 Connectors
5.7.5 Return loss
5.7.5.1 General
5.7.5.2 Wallplate — Barrel only
5.7.5.3 TV/SAT diplexer
5.7.5.4 TV/FM diplexer
5.7.6 RF isolation
5.7.7 Screening
5.7.8 A.C. mains isolation
5.8 Splitters, directional couplers and distribution taps
5.8.1 General
5.8.2 Return loss
5.8.3 Splitter amplitude loss
5.8.4 Specified loss
5.8.5 Loss difference between outputs
5.8.6 Amplitude versus frequency response
5.8.6.1 Wideband flatness
5.8.6.2 Narrowband flatness
5.8.7 RF mutual isolation
5.8.8 RF isolation between multiple devices in the same package
5.8.9 Directivity
5.8.10 Screening
5.8.11 DC current capability for splitters for use in satellite IF systems
5.8.12 Port and trunk path d.c. current capability for taps for use in satellite IF systems
5.9 Satellite IF high pass filters
5.10 Other passive devices
5.10.1 General
5.10.2 Return loss (RL)
5.10.3 Amplitude loss
5.10.4 Amplitude flatness
5.10.4.1 Wideband flatness
5.10.4.2 Narrowband flatness
5.10.5 Screening
5.10.6 DC current capability for other passive devices for use in satellite IF systems
5.11 Coaxial cable
5.11.1 Construction
5.11.2 Cable selection
5.11.2.1 General
5.11.2.2 Underground installation
5.11.2.3 Aerial installation
5.11.2.4 Common areas requiring fire retardant materials
5.11.3 Physical dimensions of cables
5.11.4 DC. requirements
5.11.4.1 Resistance
5.11.4.2 Current carrying capacity
5.11.5 Screening
5.11.6 Characteristic impedance
5.11.7 Structural return loss (SRL)
5.11.8 Attenuation characteristics
5.11.9 Attenuation equations for design purposes
5.11.9.1 General
5.11.9.2 RG6 cable
5.11.9.3 RG11 cable
5.11.10 Cable velocity of propagation
5.12 Coaxial connectors
5.12.1 Type
5.12.2 Return loss
5.12.3 Screening
5.12.4 Compatibility
5.13 Labelling
6 Headend equipment
6.1 General
6.2 Environment
6.3 Electromagnetic compatibility
6.3.1 General
6.3.2 Emission from equipment
6.3.3 Immunity of equipment
6.4 Equipment earthing
6.5 Antennas
6.5.1 General
6.5.2 Satellite service antennas
6.5.3 Terrestrial service antennas
6.5.4 Location of antennas for DVB-T reception
6.5.4.1 General
6.5.4.2 Multipath levels
6.5.4.3 Reception within SFN areas
6.5.4.4 Impulsive noise interference
6.5.4.5 RF spurious interference
6.5.4.6 Diversity reception
6.5.5 Location of antennas for DVB-S reception
6.5.6 Location of antennas for sound broadcast reception
6.5.7 Combining of DAB+ with analogue TV and digital TV
6.5.8 Antenna amplifier (for terrestrial FTA DTV)
6.5.8.1 General
6.5.8.2 Gain
6.5.8.3 Return loss (RL)
6.5.8.4 Noise figure (NF)
6.5.8.5 Maximum output level
6.5.8.6 Spurious signals and stability
6.5.8.7 Shielding against ingress of impulsive noise and spurious
6.6 Filtering for rejection of LTE signals
6.7 RF signal generation and modulation equipment
6.7.1 Input and output ports
6.7.1.1 Connectors
6.7.1.2 Impedance
6.7.1.3 Return loss
6.7.2 Out of channel spurious
6.7.3 Digital TV modulators (for in-house systems)
6.7.3.1 General
6.7.3.2 All-in-one DVB-T modulators
6.7.3.3 Modulator Setup
6.7.3.4 Modulated channel characteristics
6.7.3.5 Carrier frequency and stability
6.7.3.6 Out of channel spurious
6.7.3.7 MPEG transport stream (TS) data rate
6.7.3.8 DVB-T/DVB-T2 MPEG service information (SI)
6.7.4 QAM modulators
6.7.5 FM radio modulator RF performance
6.7.5.1 Frequency accuracy and stability
6.7.5.2 Out of channel spurious
6.7.5.3 FM deviation
6.7.5.4 Amplitude response
6.7.5.5 Stereo crosstalk
6.7.5.6 Total harmonic distortion
6.7.5.7 Signal to noise
6.7.5.8 Distortion products in an FM radio channel
6.7.6 FTA DTV channel processors
6.7.6.1 General
6.7.6.2 Frequency accuracy and stability
6.7.6.3 Output level stability
6.7.6.4 Out of channel spurious
6.7.6.5 Output level stability
6.7.7 Amplifier and frequency converter intermodulation distortion
6.7.8 Noise figure
6.7.8.1 Devices without AGC
6.7.8.2 Devices with AGC
6.8 Multiplexer and modulator input signals and interfaces
6.8.1 General
6.8.2 Digital signals and interfaces
6.8.3 Analogue signals and interfaces
6.9 Control Data interface
6.10 Power supply
6.10.1 Rating
6.10.2 Supply voltages and power consumption
6.10.3 Supply power indicator
6.11 Labelling
7 Optical equipment
7.1 Scope
7.2 Environment
7.3 Electromagnetic compatibility
7.3.1 General
7.3.2 Emission from equipment
7.3.3 Immunity of equipment
7.4 Equipment earthing
7.5 Application
7.5.1 RF frequency range
7.5.2 Operating bands
7.5.3 Optical mode
7.5.4 Nominal wavelength
7.5.5 Optical modulation
7.5.6 Connector
7.5.7 Fibre connection
7.5.8 Fibre type
7.6 Overall RF performance of optical system
7.6.1 General
7.6.2 Amplitude frequency response
7.6.2.1 Wideband
7.6.2.2 Narrowband flatness
7.6.3 Carrier to noise ratio
7.6.4 Maximum output level
7.6.5 Safety
7.6.6 Marking
7.7 Active equipment — Optical transmitters
7.7.1 General
7.7.2 RF input port
7.7.3 Optical return loss
7.7.4 Alarms and indicators
7.8 Active equipment — Optical receivers
7.8.1 General
7.8.2 Optical return loss
7.8.3 RF output port
7.9 Optical amplifiers
7.10 Multiplexers, splitters, directional couplers and isolators
7.11 Power supply
7.11.1 Rating
7.11.2 Supply voltages and power consumption
7.11.3 Supply power indicator
7.12 Labelling
7.13 Safety and handling
7.14 Optical equipment
8 Satellite systems and equipment
8.1 General
8.2 Environment
8.3 Electromagnetic compatibility
8.3.1 General
8.3.2 Emission from equipment
8.3.3 Immunity of equipment
8.4 Equipment earthing
8.5 Satellite antenna
8.6 Isolation of satellite IF bands from the FTA bands
8.7 Transmodulators
8.8 Low noise block (LNB) converter
8.8.1 Operating voltages
8.8.2 Local oscillator frequency
8.8.3 Return loss
8.8.4 Gain
8.8.5 Noise figure (NF) or noise temperature
8.9 Multiswitches
8.9.1 Frequency range
8.9.2 Return loss
8.9.3 Insertion loss or gain
8.9.3.1 General
8.9.3.2 Terrestrial side path
8.9.3.3 Satellite IF side path
8.9.4 Amplitude slope and flatness
8.9.4.1 General
8.9.4.2 Satellite
8.9.4.3 Terrestrial
8.9.4.4 Trunk path
8.9.5 Isolation between frequency bands
8.9.5.1 Satellite IF to terrestrial band isolation
8.9.5.2 Terrestrial band to satellite IF band isolation
8.9.6 RF switch isolation between input ports
8.9.7 RF mutual isolation between output ports
8.9.8 Directivity of output ports
8.9.9 RF trunk isolation
8.9.10 Maximum output level
8.9.11 Minimum output level
8.9.11.1 General
8.9.11.2 Output noise level
8.9.12 Multiswitch d.c. switching voltages
8.9.12.1 Polarization switching voltage
8.9.12.2 Satellite selection — 22 kHz
8.9.12.3 Satellite selection — DiSEqC
8.9.12.4 Minimum supply voltages to LNB
8.9.12.5 Receiver derived range of voltages required for multiswitch system
8.9.13 Port and satellite IF trunk path d.c. current capability
8.9.14 DC current consumption
8.10 Power supply
8.10.1 Rating
8.10.2 Supply voltages and power consumption
8.10.3 Supply power indicator
8.11 Labelling
9 System performance
9.1 General
9.1.1 Application
9.1.2 Interpretation
9.2 Environment
9.3 Electromagnetic compatibility
9.4 Maximum carrier levels
9.5 Nominal impedance
9.6 Quality of signals at system input (headend)
9.7 System wallplate outlet levels
9.8 Channel level differences at a system outlet
9.8.1 General
9.8.2 Wanted services definition
9.9 System amplitude response at a system outlet
9.9.1 General
9.9.2 DVB-T
9.9.3 DVB-S
9.9.4 DVB-C
9.9.5 DAB+
9.9.6 Analogue TV
9.9.7 FM radio
9.10 Carrier to noise ratios in amplified systems
9.10.1 General
9.10.2 DVB-T
9.10.3 DVB-T2
9.10.4 DVB-S and DVB-S2
9.10.5 DVB-C
9.10.6 DAB+
9.10.7 FM stereo and monoaural radio
9.10.8 In-house analogue TV
9.11 Digital signal quality at system outlets
9.11.1 General
9.11.2 Ratio characteristics measured in digital systems
9.12 In-house analogue TV vision to sound carrier ratios
9.12.1 General
9.12.2 Single sound carrier
9.12.3 Dual sound carrier
9.13 Radio frequency mutual isolation between system outlets
9.13.1 Band 45 MHz to 862 MHz
9.13.2 Band 950 MHz to 2 400 MHz
9.14 Distribution system self-induced interference/distortion
9.14.1 General
9.14.2 Carrier wave or narrowband interference
9.14.2.1 General
9.14.2.2 Analogue TV
9.14.2.3 FM carrier
9.14.2.4 DVB-S
9.14.3 Intermodulation, cross-modulation or broadband interference
9.14.3.1 General
9.14.3.2 In-house analogue TV
9.14.3.3 DVB-T
9.14.3.4 DVB-C
9.14.3.5 DVB-S
9.14.4 Analogue TV baseband distortion
9.14.4.1 Differential gain
9.14.4.2 Differential phase
9.14.5 Group delay distortion
9.14.5.1 DVB-T
9.14.5.2 DVB-C
9.14.5.3 DVB-S and DVB-S2
9.14.5.4 DAB+
9.14.5.5 Analogue TV
9.14.6 Hum modulation
9.14.6.1 Analogue TV
9.14.6.2 Analogue TV sound
Appendix A
Appendix B
B.1 General
B.2 Minimum documentation
B.3 Schematic diagrams
B.4 Operating system parameters and levels
B.5 Published equipment specifications
B.6 Equipment and system labelling
B.7 Optical systems — Safety precautions
Appendix C
Appendix D
D.1 General
D.2 Excluded configurations
Appendix E
E.1 General
E.2 Recommended practices
E.3 Non-conforming practices
Appendix F
F.1 General
F.2 Modulation characteristics
F.3 Analogue input signals
F.3.1 Impedance
F.3.2 Connectors
F.3.2.1 For composite systems
F.3.2.2 For component systems
F.3.2.3 Signal levels
Bibliography
Cited references in this standard
ITU-T Recommendation G.984.5 (02/2022)
Digital sections and Digital line system – Optical line systems for local and access networks – Gigabit-capable passive optical networks (G-PON): Enhancement band
ITU-T Recommendation G.983.3 Amendment 2 (07/2005)
Digital sections and digital line system – Optical line systems for local and access networks – A broadband optical access system with increased service capability by wavelength allocation
ITU-T Recommendation G.983.3 Amendment 1 (06/2002)
Digital sections and digital line system – Optical line systems for local and access networks – A broadband optical access system with increased service capability by wavelength allocation
ITU-T Recommendation G.983.3 (03/2001)
Digital sections and digital line system – Optical line systems for local and access networks – A broadband optical access system with increased service capability by wavelength allocation
EN 50083
Cable networks for television signals, sound signals and interactive services
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