bids are invited for annual maintenance service - desktops, laptops and peripherals - scanner ( flat bed ) ; hp , annual maintenance service - desktops, laptops and peripherals - uplink from it section; uplink from it section , annual maintenance service - desktops, laptops and peripherals - desktop pc; hp , annual maintenance service - desktops, laptops and peripherals - 4824 port managed switch; 4824 port managed switch , annual maintenance service - desktops, laptops and peripherals - 48 and 24 port managed switch; 48 and 24 port managed switch , annual maintenance service - desktops, laptops and peripherals - printer ( monochrome , laser , separate drum and tonner ) ; brother , annual maintenance service - desktops, laptops and peripherals - layer 3 access switch; layer 3 access switch , annual maintenance service - desktops, laptops and peripherals - all in one pc; dell , annual maintenance service - desktops, laptops and peripherals - 24 port layer 2 switch; 24 port layer 2 switch , annual maintenance service - desktops, laptops and peripherals - multifunction printer ( monochrome , laser , composite cartridge, mid range ) ; canon , annual maintenance service - desktops, laptops and peripherals - ups ( offline 600-650 va ) ; cyber power , annual maintenance service - desktops, laptops and peripherals - ups ( offline 500-550 va ) ; bpe , annual maintenance service - desktops, laptops and peripherals - multi-function printer ( colour , laser , composite cartridge, lower range ) ; hp , annual maintenance service - desktops, laptops and peripherals - lan and internet connections; lan and internet connections , annual maintenance service - desktops, laptops and peripherals - ups ( online 5 kva ) ; epoch