bids are invited for switch, gigabit ethernet, 28 ports - switch, gigabit ethernet, 28 ports managed gigabit ethernet switch, total number of system ports: 28, number of rj-45-based gigabit ethernet ports (10/100/1000): 24, number of sfp ports: 02, number of gigabit copper/sfp combo ports: 02, operating temp: 0 to 45 deg ree centigrade, power input: 100-240v ac, 50-60hz, 19 inch rack mountable with mounting kits,rack height: 1ru, ports and status led lamps in the front, reference type/model: cisco sg350-28, make: cisco/hp/aruba/hirschmann/extreme/brocade , wireless keyboard and optical mouse - wireless keyboard and optical mouse multi-device wireless keyboard and wireless optical mouse (with 2 buttons and 1 scroll wheel, in terface port: usb 2.0 and resolution: 1000 dpi or latest specifications), make: hp, dell, logitech, microsoft, lenovo , 32gb pen drive - 32gb pen drive make: sandisk/transcend/kingston/hp total quantity : 1