Tender For supply of repairing and maintenance of ptz camera , repairing and maintenance bullet camera 2 point 0 mr ir 50 , repairing and maintenance of line wire otp cat 6 cable , repairing and maintenance of display monitor , repairing and maintenance of poe switch 4 plus 2 , repairing and maintenance of switch rack , repairing and maintenance of inverter 650 va , repairing and maintenance of battery 200 mah , repairing and maintenance of 8 port networkswitch , repairing and maintenance of media converter