● 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:
1. Support CLI, WEB, and SNMP management mode
2. It supports port speed limit based on inlet/outlet, half duplex back pressure flow control and 802.3x full duplex flow control
3. Support storm suppression function based on broadcast, multicast and unknown unicast
4. It supports IEEE 802.1Q 4K VLAN and QinQ
5. It supports port image, syslog and Ping commands
6. It supports cos, DSCP, 8 queue, WRR, SP, WFQ scheduling mode and policy QoS
7. Support port traffic statistics and online upgrade
8. It supports STP / RSTP, MSTP, EAPs and ERPs
9. It supports IGMP snooping V1 / V2 / V3 and GMRP
10. It supports manual aggregation and static/dynamic LACP protocol
11. Support one-way relay alarm, RMON management and trap alarm
12. It supports DHCP monitoring, option 82 and 802.1x
13. Support user hierarchical management and ACL access control list
14. 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