Cisco WS-C3750X-48P-S-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

Technical Specs:
1. Switch type: Managed
2. Ports: 48 x 10/100/1000 (PoE)
3. Power Over Ethernet (PoE): Yes
4. Rack-mountable: Yes
5. Authentication Method: Kerberos, RADIUS, TACACS+, Secure Shell (SSH), RADIUS with VLAN assignment
6. MAC Address Table Size: 12K entries
7. Jumbo Frame Support: 9216 bytes
8. Remote Management Protocol: SNMP 1, RMON 1, RMON 2, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SSH-2
9. Flash Memory: 64 MB
10. RAM: 256 MB
11. Authentication Method: Kerberos, Secure Shell (SSH), RADIUS, TACACS+
12. Features: DHCP support, ARP support, VLAN support, IGMP snooping, Syslog support, traffic shaping, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Unicast Storm Control, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology, Uni-Directional Link Detection (UDLD), Rapid Per-VLAN Spanning Tree Plus (PVRST+), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN)

Helpful Notes:
1. The Cisco Catalyst 3750X-48P-S switch is a high-performance switch designed for enterprise-level networks.
2. The switch supports advanced security features such as Kerberos, RADIUS, and TACACS+ authentication methods.
3. The switch is rack-mountable and supports Power Over Ethernet (PoE) technology, making it ideal for powering devices such as IP phones and wireless access points.