
发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
点击量:0
Environmental Engineering (EE); Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (V2.2.1)
Voltage Levels for DC-Powered Equipment Used in the Telecommunications Environment
本标准规定了通信用240V直流供电系统配电设备的产品组成、技术要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于通信用240V直流供电系统配电设备(以下简称配电设备
Distribution equipments of 240V direct current power supply for telecommunications
Environmental Engineering (EE) - Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (Endorsement of the English version EN 300 253 V2.2.1 (2015-06) as German standard)
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的定义、分类、要求、测试方法及设备的标志、包装、运输和存储。 本标准适用于通过通信线缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于TNV电路的远供系统
DC Remote Feeding Power System for Telecommunication Equipment
Environmental Engineering (EE) - Power supply interface at the input to telecommunications equipment - Part 3 : operated by rectified current source, alternating current source or direct current source up to 400 V (v1.2.1).
Contains requirements for the output performance of the power equipment at the interface A3, and the input of the telecommunications equipment
Environmental Engineering (EE); Power supply interface at the input to telecommunications equipment Part 3: Operated by rectified current source, alternating current source or direct current source up to 400 V
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的术语和定义、组成和分类、要求、试验方法、检验规则,以及标志、包装、运输和贮存。 本标准适用于通过电力电缆、通信电缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于采用TNV电路供电的远供系统
DC remote feeding power system for telecommunication equipment
Environmental Engineering (EE); Power supply interface at the input to telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc) (V2.5.1)
This standard addresses the installation of dc power systems within controlled or limited access areas that convert commercial ac to dc voltages
DC Power Systems - Telecommunications Environment Protection
本标准规定了电信设备运行的大电信中心、小电信中心、室外环境和用户环境四种电磁环境下的,电磁环境参数,环境特征和环境参数的特征严酷度。 本标准适用于运行在电信中心、室外场所和用户环境的电信设备
Classification of electromagnetic environmental conditions for telecommunication equipments
Environmental Engineering (EE) - Power supply interface at the input telecommunications and datacom (ICT) equipment - Part 2 : operated by -48 V direct current (dc) (V2.4.6).
Environmental Engineering (EE); Transient voltages at Interface "A" on telecommunications direct current (dc) power distributions (V2.2.1)
Environmental Engineering (EE); Transient Voltages at Interface"A" on Telecommunications Direct Current (dc) Power Distributions V2.1.1
Environmental Engineering (EE); Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (V2.2.1)
Voltage Levels for DC-Powered Equipment Used in the Telecommunications Environment
本标准规定了通信用240V直流供电系统配电设备的产品组成、技术要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于通信用240V直流供电系统配电设备(以下简称配电设备
Distribution equipments of 240V direct current power supply for telecommunications
Environmental Engineering (EE) - Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (Endorsement of the English version EN 300 253 V2.2.1 (2015-06) as German standard)
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的定义、分类、要求、测试方法及设备的标志、包装、运输和存储。 本标准适用于通过通信线缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于TNV电路的远供系统
DC Remote Feeding Power System for Telecommunication Equipment
Environmental Engineering (EE) - Power supply interface at the input to telecommunications equipment - Part 3 : operated by rectified current source, alternating current source or direct current source up to 400 V (v1.2.1).
Contains requirements for the output performance of the power equipment at the interface A3, and the input of the telecommunications equipment
Environmental Engineering (EE); Power supply interface at the input to telecommunications equipment Part 3: Operated by rectified current source, alternating current source or direct current source up to 400 V
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的术语和定义、组成和分类、要求、试验方法、检验规则,以及标志、包装、运输和贮存。 本标准适用于通过电力电缆、通信电缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于采用TNV电路供电的远供系统
DC remote feeding power system for telecommunication equipment
Environmental Engineering (EE); Power supply interface at the input to telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc) (V2.5.1)
This standard addresses the installation of dc power systems within controlled or limited access areas that convert commercial ac to dc voltages
DC Power Systems - Telecommunications Environment Protection
本标准规定了电信设备运行的大电信中心、小电信中心、室外环境和用户环境四种电磁环境下的,电磁环境参数,环境特征和环境参数的特征严酷度。 本标准适用于运行在电信中心、室外场所和用户环境的电信设备
Classification of electromagnetic environmental conditions for telecommunication equipments
Environmental Engineering (EE) - Power supply interface at the input telecommunications and datacom (ICT) equipment - Part 2 : operated by -48 V direct current (dc) (V2.4.6).
Environmental Engineering (EE); Transient voltages at Interface "A" on telecommunications direct current (dc) power distributions (V2.2.1)
Environmental Engineering (EE); Transient Voltages at Interface"A" on Telecommunications Direct Current (dc) Power Distributions V2.1.1








