Cisco WS-C3550-48-SMI | Catalyst 3550 Series 3550-48 48 x RJ-45 Ports 10/100Base-TX + 2 x GBIC Slots Layer 3 Managed 1U Rack-mountable Stackable Fast Ethernet Network Switch

Here are the technical specs for the Cisco Catalyst 48-port Ethernet Switch:

1. Switching capacity: 13.6 Gbps
2. Forwarding rate: 10.1 Mpps
3. MAC address table size: 8,000 entries
4. VLANs supported: 4,094
5. Jumbo frame support: 9,216 bytes
6. Layer 2 switching
7. Layer 3 switching
8. Quality of Service (QoS) support
9. Spanning Tree Protocol (STP) support
10. Link Aggregation Control Protocol (LACP) support
11. Power over Ethernet (PoE) support
12. Redundant power supply support

Helpful notes:
1. The Cisco Catalyst 48-port Ethernet Switch is ideal for small to medium-sized businesses that require high-performance networking capabilities.
2. The switch is easy to deploy and manage, thanks to its intuitive web-based interface.
3. With its advanced security features, including Access Control Lists (ACLs) and port security, the Cisco Catalyst 48-port Ethernet Switch helps to protect your network from unauthorized access and attacks.