FibRSol FS-4G-2X-L3 DP EPON is self-developed Compact 1U EPON OLT equipment, meeting the requirements of IEEE802.3ah and meets the EPON OLT equipment requirements of YD/T 1945-2006 Technical requirements for access network based on Ethernet Passive Optical Network and Telecom EPON technical requirements 3.0, possessing super EPON access capacity, carrier-class reliability and the complete security function. It can satisfy long-distance optical fiber access requirement on account of its excellent management, maintenance and monitoring capability, abundant service features and flexible network mode. FS-4G-2X-L3 DP EPON-L3 OLT can be used with NMS3000 network management system so as to provide users with the perfect solution.