|   Performance   |  
  |   Layer   |    Layer 2   |  
  |   Managed   |    Yes   |  
  |   Switching Capacity   |    8.8 Gbps   |  
  |   Packet Forwarding Rate   |    6.55 Mpps   |  
  |   Packet Buffer Memory   |    2.75 Mbit   |  
  |   MAC Table Size   |    4K   |  
  |   Communication Standard   |    IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE 802.3ab;  IEEE 802.3z   |  
  |   Hardware Feature   |  
  |   Standard Power Supply   |    Yes   |  
  |   PoE   |    Yes   |  
  |   Ethernet Port   |    24   |  
  |   Optical Port   |    2   |  
  |   Ethernet Port Rate   |    100 Mbps   |  
  |   Optical Port Rate   |    1 Gbps   |  
  |   Number of Bussiness Card Slots   |    Port 1-24: 24 × RJ-45 10 M/100 M (PoE)  Port 25-26: 2 × RJ-45 10 M/100 M/1000 M (uplink)  Port 25-26: 2 × SFP 1000 M (uplink) (combo)   |  
  |   Debugging   |    Console × 1   |  
  |   Power Supply   |    100V–240V AC   |  
  |   Operating Temperature   |    –10 °C to +55 ° (14 °F to 131 °F)   |  
  |   Operating Humidity   |    10% RH–90% RH   |  
  |   Power Consumption   |    Idling: 10W  Full load: 240W   |  
  |   PoE   |  
  |   PoE Standard   |    IEEE802.3af/ IEEE802.3at/ Hi-PoE/IEEE802.3bt   |  
  |   PoE Budget   |    Port 1-2 ≤ 90W, Port 3-24 ≤ 30W, total ≤ 240W   |  
  |   PoE Pin Assignment   |    1, 2, 4, 5 (V+), 3, 6, 7, 8 (V-)   |  
  |   PoE Management   |    Power consumption management  Power on and power off  Power down for overload  Green PoE  Legacy support   |  
  |   Long Distance PoE Transmission   |    250 m long-distance power supply   |  
  |   Function   |  
  |   Spanning Tree Protocol   |    IEEE 802.1d (STP); 802.1w (RSTP)   |  
  |   VLAN   |    IEEE802.1q Standard VLAN   |  
  |   Flow Control   |    Support IEEE 802.3x (full duplex flow control) and back pressure flow control (half duplex)   |  
  |   Link Aggregation   |    Static; LACP   |  
  |   Port Mirroring   |    One-to-one; multiple-to-one   |  
  |   Multicast   |    GMP snooping based on port   |  
  |   DHCP   |    DHCP client   |  
  |   Security   |    Hardware supports IP and MAC binding based on port, MAC filtering based on port, and IEEE802.1x port authentication   |  
  |   QoS   |    High and low priority  WRR  802.1P  DSCP  Priority based on protocol   |  
  |   General   |  
  |   ESD   |    Air discharge: 8kV  Contact discharge: 6kV   |  
  |   Thunder-proof   |    Common mode: 4kV  Differential mode: 2kV   |  
  |   Dimensions   |    440 mm × 300 mm × 44 mm (17.32" × 11.81" × 1.73") (L × W × H)   |  
  |   Packaging Dimensions   |    Packing box: 527 mm × 412 mm × 110 mm (20.75" × 16.22" × 4.33") (L × W × H)  Protective box: 584 mm × 549 mm × 446 mm (22.99" × 21.61" × 17.56") (L × W × H)   |