共找到 109 条与 光纤通信 相关的标准,共 8 页
There are two methods for measurement of spurious emissions described in this Annex. Method 2 is described in CISPR Publication No. 16. Care must be taken with Methods 1 and 2 that emissions from the test do not cause interference to systems in the enviro
Spectrum Management
Threshold levels of interference for the radio astronomy service, Earth exploration-satellite and meteorological-satellite services using passive sensors can be found in Recommendations ITU-RRA.769 and ITU-R SA.1029. This Annex summarizes the levels pro
Spectrum Management Supplement to SM Series - Parts 1 and 2; Study Group 1
TO assess the spectrum conserving properties of various design factors or technology options a computer model was designed. The relative SUE that can be achieved must be quantitatively evaluated. The concept of SUE can be extended and defined as
Spectrum Management
This Recommendation contains definitions of the relevant geometrical and transmissive parameters of single-mode optical fibres. It also contains both Reference Test Methods and Alternative Test Methods for characterizing these parameters.
Pre-published Definition and Test Methods for the Relevant Parameters of Single-Mode Fibres - Series G: Transmission Systems and Media, Digital Systems and Networks Transmission Media Characteristics - Optical Fibre Cables Study Group 15
The purpose of this Recommendation is to provide a framework for coordination among the various activities in ITU-T on Optical Transport Network (OTN), in order to ensure that Recommendations covering the various aspects of OTN be developed in a consist
Framework for Optical Transport Network Recommendations Series G: Transmission Systems and Media Digital Systems and Networks Digital Networks - Optical Transport Networks Study Group 15
The prices quoted in the catalogue, as well as in the separate lists of ITU-R and ITU-T Recommendations and the publication notices, distributed free of charge and visible on the Web at the address
Handbook on Computer-Aided Techniques for Spectrum Management Edition 1999
For future broadband (interactive) services optical fibres will be extensively introduced in subscriber networks realizing the concept of what is called FTTC, FTTO or FTTH. On the other hand, customers may wish to use various services provided by differen
Radio-Frequency Signal Transported Through Optical Fibres
Characteristics of a 50/125 Micrometer Multimode Graded Index Optical Fibre Cable - Series G: Transmission Systems and Media, Digital Systems and Networks - Transmission Media Characteristics - Optical Fibre Cables Study Group 15; 39 pp
Characteristics of a 50/125 Micrometer Multimode Graded Index Optical Fibre Cable - Series G: Transmission Systems and Media Digital Systems and Networks - Transmission Media Characteristics - Optical Fibre Cables Study Group 15; 39 pp
that administrations which intend to monitor broadband signals for certain applications should consider using an automated, DSP-based system with receivers with up to 20 MHz of instantaneous bandwidth.
Methods for Determining National Long-Term Stratagies for Spectrum Utilization
that the development of digital production facilities has resulted in the increasing use of serial digital interfaces
Serial Digital Fibre Transmission System for Signals Conforming to ITU-R BT.656, ITU-R BT.799 and ITU-R BT.1120
Test methods of optical time domain reflectometer
This Recommendation provides details of the parameters needed to characterize and the procedures to predict and calculate fibre optic system reliability, including reliability of the devices and availability of channels transmitted through the systems.
Parameters and Calculation Methodologies for Reliability and Availability of Fibre Optic Systems - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Parameters f
This Recommendation provides specifications for the transmission of optical signals based on both the 1544 kbit/s and 2048 kbit/s hierarchies.
Digital Line Systems Based on the 1544 kbit/s and the 2048 kbit/s Hierarchy on Optical Fibre Cables - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Digital L
Characteristics of Repeaterless Optical Fibre Submarine Cable Systems - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Fibre Submarine Cable Systems
Characteristics of Repeaterless Optical Fibre Submarine Cable Systems - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Fibre Submarine Cable Systems
Functional Characteristics of Interoffice and Long-Haul Line Systems Using Optical Amplifiers, Including Optical Multiplexing - Series G: Transmission Systems and Media, Digital Systems and Networks Transmission Media Characteristics - Characteristics of
Functional characteristics of interoffice and long-haul line systems using optical amplifiers including optical multiplexing Study Group 15; 39 pp
This Recommendation deals with the characteristics of an Optical Access Network (OAN) with the capability of transporting interactive services over the Optical Distribution Network (ODN) based on point-to-multipoint configuration using passive optical b
Optical Access Networks to Support Services Up to the ISDN Primary Rate or Equivalent Bit Rates - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Line
This Handbook describes the key elements of specuum management and the technical content is intended for the use of both developing and developed countries.
Handbook National Spectrum Management Study Group 1
Dissemination of information to the developing countries is a key element in the setting up of their own monitoring system.
Spectrum Monitoring Handbook Third Edition; Study Group 1
Digital Line Systems Based on the Synchronous Digital Hierarchy for Use on Optical Fibre Cables - Digital Sections and Digital Line Systems (Study Group 15) 25 pp
Digital Line Systems Based on the Synchronous Digital Hierarchy for Use on Optical Fibre Cables - Digital Sections and Digital Line Systems (Study Group 15) 25 pp
本标准规定了光通信设备的型号命名方法。 本标准适用于光通信产品的型号命名。
Type designation system for optical communication equipment
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