| Interface Combination |
| Fixed interfaces |
| 24 FE RJ45 ports (POE/POE+) |
| Expansion card(Number of expansion card slots*Type of expansion card) |
| 1*4 FE SFP ports/1*4 GE SFP ports/1*4 GE RJ45 ports |
| Basic Parameters |
| Backplane Capacity |
| 32Gbps |
| Switching Capacity |
| 12.8Gbps |
| Packet Forwarding Rate |
| 9.6Mpps |
| MAC table Depth |
| 16K |
| Features |
| L2 Features |
| IEEE 802.1q VLAN,IEEE 802.1p, IEEE 802.3ad, STP, RSTP, MSTP, Selective QinQ, VLAN translation, PVLAN, DHCP Snooping, 802.1x |
| L3 Features |
| Static Routing |
| IPv6 |
| IPv6 Ping,IPv6 Telnet, ND(Neighbor Discovery), MLD Snooping, DHCPv6 Snooping,IPv6 ACL |
| Multicast |
| IGMP Snooping, Filtering, Proxy and Fast Leave, MVR, SGR (Static Group Register), UGAC (User Group Access Control), UGAR (User Group Access Record) |
| QOS |
| Marking, modification of Qos priority and mapping between 802.1p, IP DSCP. 8 hardware-based queues per port, SP, WRR, SP+WRR queue scheduling mechanisms, Policing/shaping based on port/flow, Tail-Drop |
| Security |
| CPU anti-attack, CPU overload protection, STP Root Guard, BPDU guard, ARP attack protection, IP source Guard, DAI, DHCP snooping, DHCP option82, Bidirectional ACL |
| Reliability |
| LACP, ZESS, ZESR/ZESR+ |
| Enhanced Features |
| Bidirectional ACL, M-BUTTON, Zero-Configuration, POE/POE+ |
| Equipment Management |
| RS232 Console (RJ45), 2928E-PS Supports Ethernet management port, CLI, Telnet, SSH, Local and Remote Authentication of User, Web management, SNMP, NetNumen U31, Cluster Management(ZGMP) |
| Physical Parameters |
| Dimensions(H*W*D) |
| 43.6mm*442mm*440mm |
| Maximum Weight |
| 6.4kg |
| AC power supply |
| 100V~240V, |
| 50Hz~60Hz |
| Maximum power consumption |
| 831W (Among which system power 111W, POE power output720W) |
| Power redundancy pattern |
| Two independent and swappable power supply modules |
| Heat dissipation pattern |
| Fan cooling |
| Heat dissipation |
| 311 BTU/h |
| Temperature, humidity |
| Working temperature: -5oC~+50oC, humidity: 10%~90% |
| Working altitude |
| 3000 meters |
| MTBF/MTTR |
| 100000 hours/ <30 minutes="" --30--=""> |
