● All aluminum alloy shell, good heat dissipation characteristics, metal oxide oxidation process, IP40 protection grade;
● It can support 24 Gigabit Ethernet ports and 4 Gigabit combo interfaces;
● Each electrical port or optical port supports the standard ERPs ring network protocol, and the self-healing time is less than 20ms;
● Support port bandwidth limitation, port flow control and broadcast storm suppression;
● Support web, CLI and telnet management functions;
● Power off alarm and loop alarm;
● Provide console debugging;
● It can be used as Poe (POE +) equipment;
● Management function:
Support CLI, WEB, and SNMP management mode
It supports port speed limit based on inlet/outlet, half duplex back pressure flow control and 802.3x full duplex flow control
Support storm suppression function based on broadcast, multicast and unknown unicast
It supports IEEE 802.1Q 4K VLAN and QinQ
It supports port image, syslog and Ping commands
It supports cos, DSCP, 8 queue, WRR, SP, WFQ scheduling mode and policy QoS
Support port traffic statistics and online upgrade
It supports STP / RSTP, MSTP, EAPs and ERPs
It supports IGMP snooping V1 / V2 / V3 and GMRP
It supports manual aggregation and static/dynamic LACP protocol
Support one-way relay alarm, RMON management and trap alarm
It supports DHCP monitoring, option 82 and 802.1x
Support user hierarchical management and ACL access control list
It supports DDoS and port based MAC filtering/binding
● Ethernet interface with three-level lightning protection, lightning protection up to GB / t17626.5 (iec61000-4-5) short circuit current wave 10/700 μ s. Open circuit peak output voltage 6kV standard;
● Various power supply modes: AC220V, dc-48v / DC + 24V / DC + 12V, etc; Support AC + DC; AC+AC; DC + DC dual power backup mode