TDM over PTN

    TDM over PTN is a subclass of PTN products. It was developed by Chengxiao Technology to reduce the cost of traditional operators running with TDM. Existing TDM devices can be seamlessly switched to a packet switching network for continued use. Protect the operator's investment. The main products of TDM over PTN are serviced for E1/T1, STM1/STM4 devices, help them to connected to the packet switching network.