- General
- ModelGS2028PS4-400W
- Ethernet Ports24× 10/100/1000 Mbps PoE+ ports, 4× Gigabit Combo SFP/TP ports, 1× Console port
- PoE StandardsIEEE 802.3af (15.4W), IEEE 802.3at (30W)
- PoE Output VoltageDC 48–55V
- PoE Power Pins1/2 (+), 3/6 (–)
- Total PoE Power Budget400W
- Switching Capacity56 Gbps
- Forwarding Rate41.66 Mpps
- MAC Address Table8K
- VLAN Support4096 VLANs
- Jumbo Frame9.6 KB
- Packet Buffer4 MB
- Memory128 MB
- Flash16 MB
- Transfer ModeStore-and-forward
- Power InputAC 110–240V
- LED IndicatorsSYS, PWR, Link/ACT
- Lightning/Surge ProtectionSurge: 6KV (common), 4KV (differential), ESD: 15KV
- Operating Temperature-20°C ~ 55°C
- Storage Temperature-40°C ~ 85°C
- Operating Humidity10% ~ 95%, non-condensing
- Altitude ToleranceUp to 3,000 meters
- CasingFanless, 1U rackmount metal housing
- Dimensions445×285×45 mm
- Supported ProtocolsIEEE 802.3/3u/3ab/3ad/3az/3x/3af/3at, IEEE 802.1q, 802.1p, QoS, IGMP Snooping
- L2 FeaturesPort management, port mirroring, port isolation, speed/duplex/MTU config, LACP, static aggregation, flow control, storm suppression
- VLAN TypesPort-based, MAC-based, protocol-based, GVRP, Voice VLAN
- Spanning TreeSTP (802.1D), RSTP (802.1w), MSTP (802.1s)
- Multicast SupportIGMP Snooping v1/2/3, MLD Snooping
- Security802.1X, AAA, TACACS+, ARP binding, DoS defense, port security
- QoS802.1p (COS), DSCP, IP/port-based classification, SP/WRR scheduling, CAR (rate limiting)
- DiagnosticsLLDP, VCT (cable test), ping, traceroute
- ManagementWEB, CLI, SSH, Telnet, SNMP v1/v2/v3, RMON, DHCP Snooping, Option82
- MTBF100,000 hours
SWITCHCUDYGS2028PS4400W
