The PTN 7900E is a new-generation Terabit platform. It has ultra-large capacity, more than 100 GE bandwidth, intelligent service, and SDN-based metro packet transport equipment. It is mainly used for the core aggregation layer and provincial / national backbone network of the metropolitan transport network to build a bearer network for mobile services and VIP private line services.
The PTN 7900 series products support 40GE/50GE/100GE/200GE/400GE ultra-large ports, intelligent service monitoring, visualized traffic, measurable quality, and predictable capacity. The new SDN architecture supports 5G functions such as SR-TP and FlexE, effectively supporting the long-term development and evolution of carriers' 5G bearer networks.
The PTN 7900E is the largest PTN device in the industry and is the flagship product of the SPTN solution. It can build a next-generation SPTN network for customers and has been widely used in multiple networks of China Mobile.