Model Number: ws-c2950t-48-SI IOS Ver 12.1(14)A2 D.O.M. 20/10/03 12 month warranty This switch is in excellent condition and has been checked over by qualified technicians 48x 10/100 ports, and 2x 10/100/1000 ports

Description from internet: Cisco WS-C2950T-48-SI General Information Product Series: 2950 Product Name: Catalyst 2950T-48 Ethernet Switch Product Type: Ethernet Switch Cisco WS-C2950T-48-SI Interfaces/Ports Number of Ports: 48 Fast Ethernet Port: Yes Interfaces/Ports: 48 x RJ-45 10/100Base-TX LAN Interfaces/Ports: 2 x RJ-45 10/100/1000Base-T Uplink Interfaces/Ports: 1 x RJ-45 Console Management Cisco WS-C2950T-48-SI Media & Performance Connectivity Media: Category 4 UTP 10Base-T Connectivity Media: Category 3 UTP 10Base-T Connectivity Media: Category 5 UTP 10/100/1000Base-T Distance Support: 328ft Performance: 13.6Gbps Switching Fabric Cisco WS-C2950T-48-SI Miscellaneous Additional Information: Acoustic noise: 48 dBa Airflow around the switch and through the vents is unrestricted Certifications & Standards: IEEE 802.1x support IEEE 802.3x: full duplex on 10BASE-T and 100BASE-TX ports IEEE 802.1D: Spanning-Tree Protocol IEEE 802.1p: class-of-service (CoS) prioritization IEEE 802.1Q: VLAN IEEE 802.3: 10BASE-T specification IEEE 802.3u: 100BASE-TX specification IEEE 802.3ad IEEE 802.3z: 1000BASE-X specification