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SDH数字交叉连接设备(SDXC)技术要求和测试方法
Specifications and Measurement Methods for SDH Digital Cross Connect Equipment (SDXC)
参考页数：116P.;A4
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2048kbit/s 数字信令转换设备技术要求和测试方法
Technical requirement and test method for digital signaling conversion equipment at 2048kbit/s
参考页数：21P.;A4
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数字交换机模拟接口测试方法及模拟接口（二线或四线）间传输特性的测试方法
Test method of digital exchange analog interfaces and test method of transmission characteristics between (2-wire or 4-wire) analog interfaces
参考页数：26P.;A4
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使用自适应差分脉冲编码调制(ADPCM)和数字话音插空(DSI)的数字电路倍增设备
Digital circuit multiplication equipment using ADPCM and DSI
参考页数：64P.;A4
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数字通信设备数字接口
Digital interfaces of digital communication equipment
参考页数：63P.;A4
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PCM 话路特性分析仪
Characteristic analyzer for PCM voice channels
参考页数：27P.;A4
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SDH数字传输分析仪校准规范
Specification for calibration of SDH digit transmission analyzer
参考页数：
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数字微波无线电传输系统使用设备的测量方法.卫星地面站和地面无线电中继系统的测量方法.传输性能
Methods of measurement for equipment used in digital microwave radio transmission systems - Measurements common to terrestrial radio-relay systems and satellite earth stations - Transmission performance
参考页数：22P.;A4
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信息技术.数据通信.25极数据终端设备/数据通信设备(DTE/DCE)接口连接器和触点号码分配
Information technology - Data communication - 25-pole DTE/DCE interface connector and contact number assignments
参考页数：28P.;A4
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数字微波无线电发射系统使用设备测量方法.卫星地面站测量.CSPC-PSK终端设备
Methods of measurement for equipment used in digital microwave radio transmission systems - Measurements on satellite earth stations - Terminal equipment SCPC-PSK
参考页数：36P;A4
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