CMTS是什么?他的作用是什么,详细一点谢谢

2025-03-24 18:15:39
推荐回答(2个)
回答1:

cmts :头端调制解调系统,用于 广电HFC网络提供宽带增值业务的

回答2:

在CM端,CM通过CMCI(CM to CPE interface)与用户设备连接,实现与用户之间的数据交互。通过CMTRI(CM Telco Return Interface)与PSTN(Public Switched Telephone Network))网络相连,可以利用PSTN网进行语音及数据业务的传输。通过射频接口(RF Interface)与HFC网络相连。实现上下行数据的传输。
在CMTS端,CMTS通过CMTS-NSI(CMTS Network Side Interface)与外部的骨干网连接,可以控制HFC网络中的数据与外部网络的数据之间的交互。通过BPI(Baseline Privacy Interface)与安全接入控制设备相连,实现接入控制以及数据的加密等处理。通过DOCS-OSSI(Data-Over-Cable System to Operations Support System Interface)与运行支撑系统连接,接收支撑系统的管理。此外,通过上下行射频接口(RF Interface)与CM端的设备连接,进行上下行数据的传输。
CMTS主要的工作主要有:
 在后台管理,不断地告诉CM在上行方向如何进行数据传输;
 从互联网传送流量到连接至CM的PC
 将连接至CM的PC发送的数据传输到互联网
 可以通过管理接口配置CM的工作方式

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