bids are invited for custom bid for services - supply and installation of cctv - supply , installation and delivery of suitable size, 6u wall-mount outdoor rack enclosure with lockable front door. includes integrated power distribution cabinet (pdc) with surge and overcurrent protection, cooling fan, cable manager, and all mounting hardware. constructed of crca steel with powder-coated finish, grounding provisions, and conforming to relevant standards. preferred makes: d-link/ cp-plus/ valrack/ veekay , supply, delivery, installation, configuration, and testing of 4mp ir ip bullet camera with 30 mtr support, fully integrated with existing surveillance infrastructure. includes mounting on wall/ceiling/structural poles, connection to existing power and network, cable termination, configuration with existing nvr/vms, functional testing, labeling, grounding, and documentation. , supply, delivery, installation, and configuration of a 10/100/1000 mbps, 8-port poe+ network switch with 2 uplink ports. , supply and installation of 4-port gigabit poe switch with 4 × 10/100/1000 mbps rj45 poe ports and 1 × gigabit uplink port (rj45/sfp as specified), and suitable poe/ poe+ for connected devices, complete with mounting accessories, and all necessary hardware for satisfactory operation. , supply and installation of 10/100/1000 mbps single-mode fiber media converter with 10/100/1000base-t ethernet port and one single-mode optical port (sc connector), complete with all required accessories. , supply and installation of 6 port optical fiber liu (light interface unit), wall mount type, fully loaded with single mode (sm) duplex sc adapters, sc simplex sm pigtails, splice tray, cable management accessories, splice protection sleeves, mounting hardware and all associated accessories required for termination of 6-core optical fiber cable, complete in all respects.