bids are invited for repair and maint of cctv camera supply and installation of cameras 2mp 30 mtrs , supply and installation of defective media converter pair , supply and replacement of 4 port poe switch , repair of ups double battery 1000va , supply and replacement of power ply spike guard , replacement of defective cat 6 cable , repair and replacement of old cat 6 connector rj 45 , patch chord pigtail , repair and re work of old splicing joints encloser , repair and replace of old 2 core power cable , repair and replacement of outdoor broken junction box , repair and replacement of old ber nvr 32 channel , repair and replacement of old damage optical fibre cable 6 core , replacement of broken clamps , replacement of old broken cable tie , configuration of system total quantity : 722