● All-aluminum alloy 19-inch shell with heat dissipation pattern, good heat dissipation characteristics, gold oxide anodic oxidation process, IP40 protection level, designed for harsh and harsh industrial environments;
● It can support 24 Gigabit ethernet ports and 4 Gigabit optical COMBO interfaces;
● Each ethernet 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, broadcast storm suppression;
● Support Web, CLI, Telnet management functions;
● Power down alarm, loop alarm;
● Provide Console debugging;
● Can support POE (POE+) equipment;
● Management functions:
● Support CLI, WEB, SNMP management methods
● Support port speed limit based on ingress/egress, support half-duplex back pressure flow control and 802.3X full-duplex flow control
● Support storm suppression based on broadcast, multicast and unknown unicast
● Support IEEE 802.1Q 4K VLAN, support QINQ
● Support port mirroring, support Syslog, support Ping command, etc.
● Support COS, DSCP, 8 queues, support WRR, SP, WFQ scheduling mode, policy QOS
● Support port traffic statistics, online upgrade
● Support STP/RSTP, MSTP, support EAPS, ERPS
● Support IGMP Snooping V1/V2/V3, support GMRP
● Support manual aggregation, support static/dynamic LACP protocol
● Support one relay alarm, support RMON management, TRAP alarm
● Support DHCP Snooping, Option 82, support 802.1X
● Support user hierarchical management, support ACL access control list
● Support DDOS, support port-based MAC filtering/binding
● Ethernet interface with three-level lightning protection, radar protection to GB/T17626.5 (IEC61000-4-5) short-circuit current wave 10/700μs, open-circuit peak output voltage 6KV standard;
● A variety of power supply options: AC220V, DC-48V/DC+24V/ DC+12V, etc.; support AC+DC; AC+AC; DC+DC and other dual power backup