There are more and more IP services in the 4G network, so the transport network should be a packet network adapted to IP services. Although the packet network has various technologies, the operators represented by CMCC choose PTN technology to build a 4G transmission network. Because PTN network is oriented to connection Ethernet technology, its powerful OAM function guarantees network manageability, abundant protection means guarantees network reliability, and flexible Qos function meets various business transmission requirements.

4G backhaul

    ChenXiao Technology's PTN series devices build L2 VPN network to carry the traffic of 4G. At the same time, it provides powerful OAM and protection functions to enhance the reliability, novelty and stability of the network.

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