|
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
|
|
|
|
|
|
使用配线载波系统的分配自动化.第4-33部分:数据通信协议.数据链层.连接取向协议
Distribution automation using distribution line carrier systems. Part 4-33 : data communication protocols. Data link layer. Connection oriented protocol.
参考页数:29P.;A4
|
|
|
|
|
|
道路运输和交通远程信息处理技术.专用短程通信(DSRC).DSRC数据链路层:媒体访问控制和逻辑链路控制
Road transport and traffic telematics - Dedicated Short Range Communication (DSRC) - DSRC data link layer : medium access and logical link control.
参考页数:53P.;A4
|
|
|
|
|
|
使用配线载波系统的分配自动化.第4部分:数据通信协议.第32节:数据链层.逻辑链层控制
Distribution automation using distribution line carrier systems. Part 4 : data communication protocols. Section 32 : data link layer. Logical link control (LLC).
参考页数:39P.;A4
|
|
|
|
|
|
信息处理系统.数据通信.多链路规程
Information processing systems. Data communication. Multilink procedures.
参考页数:12P.;A4
|
|
|
|
|
|
工业通信网络. 现场总线规格. 第4-14部分: 数据链路层协议规格. 14型要素
Industrial communication networks - Fieldbus specifications - Part 4-14 : data-link layer protocol specification - Type 14 elements
参考页数:40P.;A4
|
|
|
|
|
|
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
|
|
|
|
|
|
工业通信网络.现场总线规范.第3-21部分:数据链路层设备定义.21型元件
Industrial communication networks - Fieldbus specifications - Part 3-21 : data-link layer service definition - Type 21 elements
参考页数:49P;A4
|
|
|
|
|
|
工业通信网络.现场总线规范.第4-21部分:数据链路层协议规范.21型元件
Industrial communication networks - Fieldbus specifications - Part 4-21 : data-link layer protocol specification - Type 21 elements
参考页数:117P;A4
|
|
|
|
|
|
电量测量.电表读数、电费和负载控制的数据交换.第46部分:使用HDLC协议的数据链路层
Electricity metering - Data exchange for meter reading, tariff and load control - Part 46 : data link layer using HDLC protocol.
参考页数:73P.;A4
|
|
|
|
|