CAS (communication Automation system) includes cabling system, broadbandnetworksystem, mobile phone coverage system, cable TV and digital communication system.
CAS通信自动化系统,综合布线、宽频网路、移动电话楼内覆盖系统、有线电视及数字程控电话系统。
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In the third chapter, HFC broadbandnetworksystem technology is introduced and the billing system model and the system data follow are given according to NDM-U model.
In this paper, we will introduce the design of one high speed Ethernet switch, SW224, with the background of Community BroadbandNetworkSystem with Integrated Services.