Applications: DWDM transmission room backup storage backup disaster recovery backup channel IDC room pass each transmission bandwidth Ethernet transmission DWDM DWDM system (2U + 1U) 2U rack-dense wavelength division multiplexing DWDM equipment using flexible and scalable architecture, Support online upgrade modular, easy expansion and maintenance, and support the band, band network management, flexible management, rich equipment business interface, flexible configuration, network economy, reliable, efficient service to meet the new era of large particles metro transfer , convergence requirements. Features equipment capacity: DWDM-channel DWDM equipment rate up 10G, with a total capacity of up to 480G, C + L segment scalable and flexible networking equipment to 1600G: can form point to point, point to multipoint, chain, a ring, and other network topologies. Flexible and transparent access to multiple services: support for Ethernet, PDH, SDH, CATV and private network and other services; transfer rate: 125Mbps ~ 10Gbps support various rates. Transmission distance: 10 ~ 120km other distance; support relay, to achieve long distance transmission. Good scalability: DWDM DWDM equipment can be expanded to a maximum 48 waves. 1 + 1 multiplex section protection: optical path switching time ≤30ms, to ensure the safe and reliable line. Open architecture: Support for the interconnection of equipment from different manufacturers, interoperability, support for client devices for single and multi-mode, an optional power port powerful network management functions: support for SNMP-based network management, and support CLI, WEB, TELNET, etc. NMS 1 + 1 power Hot Backup: The device offers dual power 1 + 1 hot backup, hot swappable, AC and DC options. Loop, Bidirectional