YD/T 1258.2-2003.The series of indoor optical fibre cables part 2: single-fibre optical cable.1范围YD/T 1258.2规定了室内用单芯光缆(以下简称光缆)的产品分类和命...
YD/T 627-1993.1主题内容 与适用范围YD/T 627规定了数字交换机进入电信网时,必须满足的2048 kbit/s数字中继接口的参数和在一个交换机内必须达到...
YD/T 615-1993.1主题内容与适用范围YD/T 615规定了64、2048、8448、34368kbit/s相位抖动测试仪的技术要求、试验方法、检验规则和标志、包装、运输、...
YD/T 599-1992.1主题内容与适用范围YD/T 599规定了2048.8 448 kbit/s误码分析仪的术语、技术要求、试验方法、检验规则和标志、包装、运输、贮伴。...
GY/T 144-2000.Specification for management protocol interface of broadcast and TV SDH backbone network.3.8 被管对象managed object ( MO )从管理角度的电信资源，它可由代...
YD/T 512-1992.1主题内容与适用范围YD/T 512规定了电报电源设备为适应电报通信设备的发展、更新和配套所必需具备的技术条件。YD/T 512适用于向...
YDC 022-2008.Test Specification of Base Station Subsystem (BSS) for 800MHz CDMA 1X Digital Cellular Mobile Communication Network.1范围YDC 022文件规定了800MHz CDMA 1X数字蜂窝...
GY/T 143-2000.Specifications and methods of measurement on AM optical transmitter and receiver used in CATV systems.1范围GY/T 143规定了有线电视系统正向(主)通道残留边...
YD/T 897.2-1998.Coaxial cable for access network Part 2: Generic requirements for coaxial distribution cable.1范围1.1YD/T 897.2规定了接入网用同轴配线电缆的产品分类...
GA 233.2-1999.Basic data interchange format of hotel public order administration information system Part 2 :Basic data interchange format of hotel information.1范围GA 233.2规定了...
