3Com 3CR17161-91 | 5500-EI 28-Port Stackable Switch

Here are 12 technical specifications for the 3Com 5500-EI 28-Port Stackable Switch:

1. Switching capacity: 128 Gbps
2. Forwarding rate: 95 Mpps
3. Number of ports: 28
4. Port speed: 10/100/1000 Mbps
5. VLAN support: Yes
6. Power over Ethernet (PoE) support: No
7. Stackable: Yes, up to 8 units
8. Management interface: CLI, SNMP, web-based GUI
9. Redundancy: Dual power supplies, hot-swappable fans
10. Security features: Access control lists (ACLs), port security, SSH, SSL
11. Quality of Service (QoS) features: 8 priority queues, traffic shaping, DiffServ
12. Dimensions: 44.5 cm x 38.6 cm x 4.4 cm

Helpful notes:
1. The 3Com 5500-EI 28-Port Stackable Switch is a reliable and scalable solution for small to medium-sized businesses.
2. The switch supports advanced security features to protect your network from unauthorized access.
3. With its stackable design, the switch allows you to easily expand your network as your business grows.