... non-blocking wire-speed switch, support 1.25G EPON optical fiber access.Ø 2.5U height, adopt full front-wiring, ... small size, high capacity, maximum EPON optical fiber interfaces reach up to 16.Ø Provide single main control ... VLANStrong VLAN extension functions, support VLAN Stacking/Trunk/Translation and flexible QinQ, etcRSTPSupport STP, RSTPIGMPSupport IGMPv1/v2 protocol, support IGMP ...