
发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本标准规定了全国基准时钟(PRC)和区域基准时钟(LPR)设备的功能、性能和环境要求及测试方法。 本标准适用于在数字同步网一级节点中使用的一级基准时钟设备。以此为源头规划建设的数字同步网可以支持多种电信业务,并能满足SDH传送网
Technical requirements and testing methods of primary reference clock equipment
本标准规定了小型局站同步时钟设备(Mini-BITS)的构成、功能、性能和环境要求以及测试房法。符合本标准要求的小型局站同步时钟设备适用在骨干网的边缘网络节点、本地网内的小型端局和边缘网络节点、城域网汇聚层节点、接入网节点以及移动基站等。可以向数字交换设备、SDH设备、ATM设备和移动
Technical requirements and test method of Mini-BRTS equipment
Przedmiotem normy jest miernik czasu trwania po??czeń, przeznaczony do pracy w urz?dzeniach telekomunikacyjnych, sterowany impulsami pr?du sta?ego
Telecommunication e?uipment. Char- geable time clock
本标准规定了我国数字同步网所采用的同步方式、数字同步网的分级、各级时钟性能、接口以及可维护性性能。 本标准适用于国内公用数字同步网的规划、设计以及数字同步网内时钟和同步设备的研制、生产和设备引进
Requirements for clock and synchronization equipment used in the digital network
Timing characteristics of packet-based equipment clocks
本标准规定了数字程控交换设备时钟的频率准确度、牵引范围、抖动/漂移产生、抖动/漂移输入容限、抖动/漂移传递性、保持特性、相位瞬变/相位不连续性等性能的测试方法,以及监测、告警和控制功能的检测方法。 本标准适用于数字程控交换设备时钟
Test methods for the performances of switching equipment clocks in digital network
This Recommendation outlines minimum requirements for the timing functions of the Packet Slave Clocks as defined in G.8265. It supports frequency
Timing characteristics of packet-based equipment clocks (Study Group 15)
本标准概述了按同步数字体系(SDH)原理运行的同步网设备的定时装里的要求。这些要求适用于SDH设备的一般环境条件规定。正常运行的SDH设备包含一个可以限踪主基准时钟的从时钟,通常SDH设备时钟(SEC)有几个基准愉人。当主时钟和从时钟间的所有链路都失效时,SDH设备应能在规定的性能极限内维持运行(即
Technical requirement for SDH equipment - clock
Timing characteristics of a synchronous Ethernet equipment slave clock
Amendment 1 to Recommendation ITU-T G.8263/Y.1363 (2012) adds clarification to several clauses and introduces Appendix IV "Variable temperature
Timing characteristics of packet-based equipment clocks Amendment 1 (Study Group 15)
This Recommendation outlines minimum requirements for the timing functions of the packet slave clocks as defined in [ITU-T G.8265]. It supports
Timing characteristics of packet-based equipment clocks (Study Group 15)
Timing characteristics of packet-based equipment clocks; Amendment 2
本标准对数字交换设备时钟的下列性能规定了测试方法: a. 抖动和漂动性能; b. 牵引范围; c. 第二级、第三级时钟输出端的相位稳定性; d. 监测、告警和控制时钟输出端的相位稳定性; 本标准适用于数字交换设备的时钟出厂测试和数字网内新装各种数字交换设备的时钟
Measuring methods for the performances of switching equipment clocks in digital synchronous network
This Recommendation outlines minimum requirements for the timing functions of the packet slave clocks as defined in [ITU-T G.8265]. It supports
Timing characteristics of packet-based equipment clocks (Study Group 15)
Timing characteristics of packet-based equipment clocks (Study Group 15)
本标准规定了全国基准时钟(PRC)和区域基准时钟(LPR)设备的功能、性能和环境要求及测试方法。 本标准适用于在数字同步网一级节点中使用的一级基准时钟设备。以此为源头规划建设的数字同步网可以支持多种电信业务,并能满足SDH传送网
Technical requirements and testing methods of primary reference clock equipment
本标准规定了小型局站同步时钟设备(Mini-BITS)的构成、功能、性能和环境要求以及测试房法。符合本标准要求的小型局站同步时钟设备适用在骨干网的边缘网络节点、本地网内的小型端局和边缘网络节点、城域网汇聚层节点、接入网节点以及移动基站等。可以向数字交换设备、SDH设备、ATM设备和移动
Technical requirements and test method of Mini-BRTS equipment
Przedmiotem normy jest miernik czasu trwania po??czeń, przeznaczony do pracy w urz?dzeniach telekomunikacyjnych, sterowany impulsami pr?du sta?ego
Telecommunication e?uipment. Char- geable time clock
本标准规定了我国数字同步网所采用的同步方式、数字同步网的分级、各级时钟性能、接口以及可维护性性能。 本标准适用于国内公用数字同步网的规划、设计以及数字同步网内时钟和同步设备的研制、生产和设备引进
Requirements for clock and synchronization equipment used in the digital network
Timing characteristics of packet-based equipment clocks
本标准规定了数字程控交换设备时钟的频率准确度、牵引范围、抖动/漂移产生、抖动/漂移输入容限、抖动/漂移传递性、保持特性、相位瞬变/相位不连续性等性能的测试方法,以及监测、告警和控制功能的检测方法。 本标准适用于数字程控交换设备时钟
Test methods for the performances of switching equipment clocks in digital network
This Recommendation outlines minimum requirements for the timing functions of the Packet Slave Clocks as defined in G.8265. It supports frequency
Timing characteristics of packet-based equipment clocks (Study Group 15)
本标准概述了按同步数字体系(SDH)原理运行的同步网设备的定时装里的要求。这些要求适用于SDH设备的一般环境条件规定。正常运行的SDH设备包含一个可以限踪主基准时钟的从时钟,通常SDH设备时钟(SEC)有几个基准愉人。当主时钟和从时钟间的所有链路都失效时,SDH设备应能在规定的性能极限内维持运行(即
Technical requirement for SDH equipment - clock
Timing characteristics of a synchronous Ethernet equipment slave clock
Amendment 1 to Recommendation ITU-T G.8263/Y.1363 (2012) adds clarification to several clauses and introduces Appendix IV "Variable temperature
Timing characteristics of packet-based equipment clocks Amendment 1 (Study Group 15)
This Recommendation outlines minimum requirements for the timing functions of the packet slave clocks as defined in [ITU-T G.8265]. It supports
Timing characteristics of packet-based equipment clocks (Study Group 15)
Timing characteristics of packet-based equipment clocks; Amendment 2
本标准对数字交换设备时钟的下列性能规定了测试方法: a. 抖动和漂动性能; b. 牵引范围; c. 第二级、第三级时钟输出端的相位稳定性; d. 监测、告警和控制时钟输出端的相位稳定性; 本标准适用于数字交换设备的时钟出厂测试和数字网内新装各种数字交换设备的时钟
Measuring methods for the performances of switching equipment clocks in digital synchronous network
This Recommendation outlines minimum requirements for the timing functions of the packet slave clocks as defined in [ITU-T G.8265]. It supports
Timing characteristics of packet-based equipment clocks (Study Group 15)
Timing characteristics of packet-based equipment clocks (Study Group 15)








