3Com 3CR17661-91, Switch 4200G, 20xLAN, 4xSFP, 1xXFP 10GBIT, + EXPRESS SERVICE AHR 8x5xNBD na 3

# Ports: 20 10/100/1000 Ethernet; auto-sensing, auto-MDI/MDIX; RJ-45 4 dual-personality Gigabit port pairs; configurable as 1000BASE-T or SFP 1 10-Gigabit slot; for direct 10-Gigabit XENPAK transceiver or 10-Gigabit Module (XFP) # Performance: 88.0 Gbps switching capacity (maximum) 65.5 Mpps forwarding rate (maximum) wirespeed performance across ports in full mesh configuration # Layer 2 switching: 8,196 MAC addresses; port-based VLANs, LACP; Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP); IGMP snooping and multicast filtering # Layer 3 switching: hardware based routing with 32 static routes # Convergence: 8 hardware queues per port; IEEE 802.1p CoS/QoS;automatic voice VLAN assignment # Security: IEEE 802.1X, ACLs, RADA # Stacking: Up to 16 devices per cluster (768 Gigabit front-panel ports); single IP address and management interfaces for centralized control; compatible with 3Com Switch 5500 and 5500G clustering # 3Com management: 3Com Network Supervisor, 3Com Network Director, 3Com Enterprise Management Suite # Other management: CLI via console or Telnet, embedded web management interface, SNMP management # Dimensions: height: 4.4 cm (1.7 in or 1 RU) width: 44.2 cm (17.4 in) depth: 30.0 cm (11.8 in) weight: 4.1 kg (9.0 lb) # Power supply: 90-240 VAC, 50/60 Hz; 1.5A