24x100/1000Base-X SFP + 4x GE Combo (SFP+RJ-45) Ethernet switch
UL60950-1, CE, FCC, Rail Traffic EN50121-4 certified
Redundancy isolated low voltage 24/48VDC, or/and isolated High voltage AC/DC (110/220 VAC/VDC) power inputs
Industrial Grade EMS, EMI, EN61000-6-2, EN61000-6-4 certified
STP, RSTP, MSTP, ITU-T G.8032 Ethernet Ring Protection Switching (ERPS) for redundant cabling
Provides 5 instances that each can support μ-Ring, u-Chain or Sub-Ring type for flexible uses
Supports up to 5 rings in one device
μ-Ring for Redundant Cabling, recovery time<10ms in 250 devices
DHCP Server/Client/Relay/Snooping/Snooping option 82/Relay option 82
QoS, Traffic classification QoS, CoS, bandwidth control for Ingress and Egress, Storm Control, DiffServ
IEEE802.1q VLAN, MAC based VLAN, IP subnet based VLAN, Protocol based VLAN, VLAN translation, GVRP, MVR
Dynamic IEEE 802.3ad LACP Link Aggregation, Static Link Aggregation
IGMP snooping V1/V2/V3, IGMP Filtering/ Throttling, IGMP query, IGMP proxy reporting, MLD snooping V1/V2
Security: Port based and MAC based IEEE802.1X, RADIUS, ACL, TACACS+, HTTP/HTTPS, SSL/SSH v2
Software upgrade via TFTP and HTTP, redundant firmware to avoid in case of upgrade failure
Supports IEEE1588 PTP V2 for precise time synchronization to operate in Ordinary-Boundary, Peer to Peer Transparent Clock, End to End Transparent Clock, Master, Slave mode by each port
RMON, MIB II, Port mirroring, Event syslog, DNS, NTP, IEEE802.1ab LLDP
Supports IPv6 Telnet server /ICMP v6
CLI, Web based management, SNMP v1/v2c/v3, Telnet server for management
Provides SmartConfig for quick and easy mass configuration
Supports SmartView for Centralized Management
Supporting Central EMS for management of up to 50 SmartView Server, and maximum up to 25,000 device