Browse Standards

标准2.6/9.5 mm 同轴线对上8 MHz (1800路) 载波通信系统总技术要求

General specification for 8MHz (1800ch) carrier systems on standardized 2.6/9.5mm coaxialcable pairs

数字交换机的时钟和同步设备进入数字网的兼容性测试方法

Compatibility test procedures of clock and synchronization equipment of digital switch introducedinto digital network

机载多普勒导航系统通用技术条件

General specification for airborne doppler navigation systems

120路海底同轴电缆载波电话设备技术要求

Performance requirements for 120-channel submarine coaxial cable carrier telephone equipment

增量调制终端设备技术要求

Performance requirement of the delta medulation equipment

数字通信设备的可靠性要求和试验方法

Reliability requirements and test methods for digital communication equipment

24路海底同轴电缆载波电话设备技术要求

Performance requirements for 24-channel submarine coaxial cable carrier telephone equipment

120路海底同轴电缆载波电话设备测试方法

Measurement methods for 120-channel submarine coaxial cable carrier telephone equipment

24路海底同轴电缆载波电话设备测试方法

Measurement for 24-channel submarine coaxial cable carrier telephone equipment

增量调制终端设备测量方法

Methods of measurement for the delta modulation equipment

数字微波接力通信设备通用技术条件

Generic specification for digital microwave radio relay communication equipment

数字通信设备环境试验方法

Environmental test methods for digital communication equipments

高保真头戴耳机最低性能要求

Minimum performance requirements on high fidelity head phones

纤维光学调制器 第一部分:总规范 (可供认证用)

Fibre optic modulators--Part 1:Generic specification

纤维光学分路器 第三部分:分规范 1至n个波长复用器／解复用器 (可供认证用)

Fiber optic branching devices--Part 3:Sectional specification--One-to-n wavelength multiplexer/demultiplexer

纤维光学分路器 第一部分:总规范 (可供认证用)

Fibre optic branching devices--Part 1:Generic speci-fication

微波通信系统远程监控设备技术条件

Specification for microwave communication system remote supervisory and control equipment

4 GHz微波联络机技术条件

Specification for 4GHz band microwave service channel equipment

2048kbit/s 30路脉码调制分插设备技术要求与测试方法

Performance andtest methods of 30-channel pulse code modulation drop/insert equipment at 2048kbit/s

移动通信设备 运输包装

Mobile communication equipments--Transport package