The Juniper Networks NetScreen-5000 Series is a line of purpose built, high-performance security systems designed to deliver a new level of high-performance capabilities for large enterprise, carrier, and data center networks. The NetScreen-5000 Series security systems integrate firewall, DoS and DDoS protection, VPN, and traffic management functionality in low profile modular chassis. Built around NetScreen's third generation security ASIC and distributed system architecture, the NetScreen-5000 Series offers excellent scalability and flexibility while providing high levels of security through NetScreen's custom operating system, NetScreen ScreenOS. The NetScreen- 5000 Series employs a switch fabric for data exchange and separate multi-bus channel for control information, delivering scalable performance for the most demanding environments.This is an NS-5200 System, No SPM or MGT modules, includes Fan Tray, Dual DC power supply, 19" Rack Mount, 0 VSYS.