[product description] product descriptionenterprise-class stackable wiring closet switch that facilitates the deployment of secure converged applications while maximizing investment protection for evolving work and application requirementsenhances worker productivity by enabling applications such as ip telephony wireless and vide oproduct type: layer 3 switch; number of ports: 24; gigabit ether port: yes interfaces/ports: 24 x rj-45 10/100/1000base-t lan 2 x stack 1 x rj-45 console management; expansion slots: (2 total) x2 uplink connectivity media: category 3 utp 10base-t category 4 utp 10base-t category 5 utp 100/1000base-tperformance: 64gbps stacking bandwidth 68gbps backplane speed128gbps switching fabric 95mpps forwarding rate for 64-byte packet 65.5mpps forwarding ratelayer support: 2 3 4; number of stacks: 9manageable: yes; management: cisco ios software cli cisco network assistant software ciscoworks lan management solution (lms) ieee 802.1q vlan ieee 802.1p qos tel snmp v1 v3 v2cstandard memory: 256 mb memory technology: dram flash memory: 64 mboperating system: ip base software feature set (ipb)input voltage: 110 v ac 220 v ac; input voltage range: 100 v ac to 240 v ac; power source: ac adap terdimensions: 1.75' height x 17.50' width x 18.10' depth; weight: 17.90