Cisco WS-C3750X-48PFL-RF | Catalyst 3750-X Series C3750X-48P 48 x RJ-45 Ports PoE+ 10/100/1000Base-T Layer 2 Managed Rack-mountable Stackable Gigabit Ethernet Network Switch

Here are the technical specifications for Cisco Catalyst 3750X-48PF-L:

1. Switch type: Managed
2. Number of ports: 48
3. Data transfer rate: 10/100/1000 Mbps
4. Power over Ethernet (PoE): Yes
5. Rack-mountable: Yes
6. VLAN support: Yes
7. MAC address table size: 12K entries
8. Switching capacity: 176 Gbps
9. Forwarding rate: 130.9 Mpps
10. Jumbo frame support: 9018 bytes
11. Quality of Service (QoS) support: Yes
12. Security: ACL, RADIUS, TACACS+

Helpful Notes:
1. The Cisco Catalyst 3750X-48PF-L is a powerful and reliable switch that provides high-speed connectivity and advanced features.
2. With PoE support, this switch can power devices such as IP phones and wireless access points, eliminating the need for separate power cables.
3. Refurbished models offer a cost-effective alternative to new switches, while still providing the same level of performance and reliability.