Front-end device: a transmission control unit that links a number of communication lines to a computer system.
前端设备：一种把一些通信线路与计算机系统联接起来的传输控制单元。
2
Media Access Control address is assigned to each network device identification number only.
媒体访问控制地址是分配给每个网络设备的惟一识别号。
3
The first design is by a large number of peripherals and CPU on a chip in the computer system, smaller, more easily integrated into a complex and demanding on the volume controldevice which.