Interfaces: 20 x 1000Base-T RJ-45 PoE+ ¦ 4 x 1000Base-T ¦ 1 x serial (console) ¦ 1 x USB Type B ¦ 1 x 1000Base-T management

Ports: 20 x 10/100/1000 (PoE+) + 4 x combo Gigabit SFP

Expansion slots: 1 (total) / 1 (free) x Stacking Module ¦ 1 (total) / 1 (free) x Expansion Slot

Features: Flow control, full duplex capability, DHCP support, BOOTP support, ARP support, VLAN support, IGMP snooping, Syslog support, DiffServ support, IPv6 support, SNTP support, sFlow, Spanning Tree Protocol (STP) support, Multiple Spanning Tree Protocol (MSTP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, DHCP server, MLD snooping, STP Root Guard, Uni-Directional Link Detection (UDLD), LLDP support, Link Aggregation Control Protocol (LACP), Management Information Base (MIB), MAC address lockout, dynamic ARP protection, DHCP protection, Dynamic VLAN Support (GVRP), Multiple VLAN Registration Protocol (MVRP), Neighbor Discovery Protocol (NDP), Class of Service (CoS), Type of Service (ToS), OpenFlow support, CPU protection, Internet Control Message Protocol (ICMP), ICMP Router Discovery Protocol (IRDP), Virtual Extensible LAN (VXLAN), Management Information Base (MIB) II, LLDP-MED, STP BPDU Guard

Performance: Throughput: 95.2 Mpps ¦ Switching capacity: 128 Gbps ¦ Latency (1 Gbps): 3.1 µs ¦ Latency (10 Gbps): 3.4 µs ¦ Latency (10 Mbps): 98.5 µs ¦ Latency (100 Mbps): 11.8 µs

Power Supply: 0 (installed) / 2 (max)

Recommend Power Supply: JL086A PSU (each): 450W  OR JL087A PSU (each): 810W

PoE MAX: 840 Watts