EPL-4000 4 PON GEPON OLT with 4-Port 10/100/1000T + 4-Port Shared 1G/10G SFP+ Datasheet Application Firmware FeaturesGEPON Port4 SC-type GEPON OLT ports Up to 1.25Gbps upstream and downstreamMaximum transfer distance of up to 20kmEach PON port supports up to 64 ONUsFully compliant with IEEE 802.3ahPoint-to-multipoint network topology LED indicators for link statusUplink and Management Port4 1G/10G shared SFP+ interfaces4 100/1000BASE-T RJ45 interfacesMaximum transfer distance of up to 120km1 10/100BASE-TX RJ45 management portLayer 2 FeaturesDynamic bandwidth allocation (DBA) supportSupports VLANIEEE 802.1Q tagged VLANUp to 255 VLAN groups, out of 4094 VLAN IDsSupports up to 16K MAC addressesEnhanced IGMP featuresOLT ManagementUser-friendly GUI managementIPTV multicast creation and managementUp to 32 OLTs managed through single GUI Three user levels control2 control interfacesOut-of-Band IP – the management RJ45 portIn-Band IP – the four uplink portsSupports ONU authentication; averts illegal ONU access to networkEvent message logging to system logONU ManagementONU port controlONU multicast controlONU IGMP fastleaveONU VLAN mode