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数字加强式无线通讯系统 (DECT); 通用接口 (CT). 第2部分: 物理层 (PHL) (V2.6.1)
Digital enhanced cordless telecommunications (DECT) - Common interface (CI) - Part 2 : physical Layer (PHL) (V2.6.1)
参考页数：74P.;A4
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工业通信网络. 现场总线规范. 第2部分: 物理层规范和工作定义
Industrial communication networks - Fieldbus specifications - Part 2 : physical layer specification and service definition
参考页数：550P.;A4
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电量测量.电表读数、电费和负载控制的数据交换.第42部分:定向连接异步数据交换的物理层服务和程序
Electricity metering - Data exchange for meter reading, tariff and load control - Part 42 : physical layer services and procedures for connection-oriented asynchronous data exchange.
参考页数：32P.;A4
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近场通信.接口和协议(NFCIP-1)(V1.1.1)
Near Field Communication - Interface and Protocol (NFCIP-1) (V1.1.1).
参考页数：6P.;A4
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信息技术.开放系统互连.实际服务定义
Information technology - Open Systems Interconnection - Physical Service Definition.
参考页数：31P.;A4
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仪表的远程读数用通信系统.第2部分:物理层和链路层
Communication systems for and remote reading of meters - Part 2 : physical and link layer.
参考页数：32P.;A4
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传输和多路传送(TM).2048 Kbit/s异步传送式信号的物理层用户网络接口
Transmission and Multiplexing (TM) - Physical layer User Network Interface (UNI) for 2 048 kbit/s Asynchronous Transfer Mode (ATM) signals.
参考页数：35P.;A4
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仪表和仪表远程读数用通信系统.第4部分:无线仪表读数(SRD频带上运行的无线电表读数)
Communication systems for meters and remote reading of meters - Part 4: wireless meter readout (Radio meter reading for operation in SRD bands)
参考页数：70P;A4
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信息技术.系统间远程通信和信息交换.双扭线多点互连
Information technology.Telecommunications and information exchange between systems.Twisted pair multipoint interconnections
价格：￥0.00
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电子收费 专用短程通信 第1部分:物理层
Electronic toll collection--Dedicated short range communication--Part 1:Physical layer
价格：￥0.00
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