Qtech continues to develop the GEPON equipment line and introduces new QSW-9011-xxXB series GEPON terminals.These OLTs are designed to be installed in standard 19" telecommunication cabinets and racks.Chassis height - 1U.New optical line terminals provide high performance and meet all modern requirements for network reliability and security.The main difference from previous models is the presence of a BBU (Battery Backup Unit), which will save data in the event of an unexpected power outage.The equipment successfully operates in Triple-play broadcasting networks, IP video surveillance systems, corporate local area networks and the Internet of things.GEPON terminals differ in the number of uplink interfaces and EPON ports, as well as supported ONUs.In addition, various modifications (04XB/08XB/16XB) are represented by models with different power supply options: AC-AC, AC-DC, DC-DC.• QSW-9011-04XB-xx-xx - one USB interface, four combo GE ports, 2×10 Gb/s uplink interface and four EPON ports.Support for 256 ONUs with a split ratio of 1:64 per port;• QSW-9011-08XB-xx-xx - one USB interface, four combo GE ports, 4×10 Gb/s uplink interface and eight EPON ports.Support 512 ONUs with a split ratio of 1:64 per port;• QSW-9011-16XB-xx-xx - one USB interface, four combo GE ports, 2×10 Gb/s uplink interface and 16 EPON ports.Support for 1024 ONUs with a split ratio of 1:64 per port.• EPON management: DBA, ONU authorization, ACL, QOS;