N+1 Optical cross protection system is a kind of matrix switch protection system which uses a backup light-emitting device to protect more than one main light-emitting device. In optical fiber transmission system, if there are 8 light-emitting devices and one of them is backup, when any of light-emitting devices breaks down but the backup works normally, the optical cross protection equipment will switch to the backup within milliseconds to keep the system working.

Features
· Low insertion loss, fast switching.
· Hot backup of double power supply, support hot-plugging.
· LED display panel. Visual display, convenient operation.
· Transparent transmission signal. High stability and reliability.
· One backup that multi-channel shares.
· Support WEB、SNMP、TELNET、SSH, FTP log download,etc.