3Com 3CR17172-91 | 48-Ports 10/100Base-T Stackable Ethernet 5500-Ei Switch

Technical Specifications:
- Switching capacity: 17.6 Gbps
- Forwarding rate: 13.1 Mpps
- Number of ports: 48 10/100Base-TX ports
- Number of stacking ports: 2
- Stack bandwidth: 2.5 Gbps
- VLAN support: Yes, up to 4,096 VLANs
- QoS support: Yes, with 8 priority queues per port
- Management interface: CLI, SNMP, Telnet, HTTP, RMON
- Power consumption: 100-240VAC, 50-60Hz, 2.2A max
- Dimensions: 17.4 x 16.9 x 1.7 inches
- Weight: 14.1 pounds
- Operating temperature: 32°F to 113°F
- Operating humidity: 10% to 90% non-condensing

Helpful notes:
- The 3Com 5500-Ei switch is stackable up to 8 units, allowing for easy expansion and management of larger networks.
- This switch supports link aggregation, allowing multiple ports to be combined for increased bandwidth and redundancy.
- The 5500-Ei switch also features advanced security features such as 802.1x authentication and MAC address filtering.