数据电路暨数字调制解调器(dsu)由本公司供租与维护。用户终端设备(CPE)由用户自备与维护。
Data Circuit and Data Service Unit (DSU) are provided and maintained by CHT while the customer Premises Equipment (CPE) is provided and maintained by the customer.
配置在电缆两端的模块通过幻象电路配置内的两对导线为一个靠近数据设备的电话机与一个PBX之间的电话信号提供一个幻象通路。
Modules at each end of the cable provide a phantom path for telephony signals between a telephone near the data set and a PBX, through both conductor pairs in a phantom circuit arrangement.
被称为电路交换机的交换设备没有存储或控制用户送往终点路由的数据的能力。
The switches, called circuit switches, have no capability of storing or manipulating user's data on their way to the destination.
主要是：遥控设备的三化、研制遥控专用集成电路、遥控数据安全和分包遥控等。
They are as follow:Generalization, Serieslization and Combination of TC devices on board; development and manufacture of ASIC for space TC; Security of TC data and Packet TC etc.
所有可用于数据处理和数据通信的设备、场地、线路、电路和软件等。
Research and Development of Data Processing and Device Driven System for Rapid Prototyping Based on MDT;
钳位电路用于某些数据设备可使接收器输出为常量，并且可在没有收到数据信号时避免噪音干扰。
A clamp is used in some data sets to hold receiver output constant and avoid troublesome noise interference when no data signals are being received.
钳位电路用于某些数据设备可使接收器输出为常量，并且可在没有收到数据信号时避免噪音干扰。
A clamp is used in some data sets to hold receiver output constant and avoid troublesome noise interference when no data signals are being received.
应用推荐