Product features: Highly reliable case, strong adaptive capacity to environment 1u case, good shielding measures. Layer 2 aggregation switching Layer 2 wire-speed forwarding; support rich layer 2 protocols 4k mac address list Uplink port supports electronic port modules and optical port modules, which can be configured flexibly as required Perfect network management function Support gui based graphical interface¡¡ê Support in-band management, out-of-band management Support online upgrade of device software Strong qos function Support flexible dba, uplink and downlink traffic rate-limited Support ip tos, ieee802.1p Port based traffic control, traffic shaping¡¡ê Supports up to 256 llid. Rich oam function Support onu automatic identification, automatic finding, and automatic registration Support the function of automatic loop back test to single link Strong vlan function, including vlan stacking, trunk, translation Support flexible controllable multicasting, support igmp snooping Port features: 1 pon ports (1.25g) 1 uplink ports (1g) (electronic ports and optical ports options) 1 management ports (special software management) 1 console port Physical features: