Tenders for Supply of 8 Channel Network Video Recorder Nvr With M12, 6 Pole Connector To Be Supplied Along With The Storage And Necessary Software And Control As Per Icf Specification No. Icf/Md/Spec-269 Issue Status:02 Rev:00 Date 01.04.2021. Nvr Should Have Compatibility With Cctv Make Dahua Model No. Dh-Ipc-Hdw4231fp-M12 System Installed In Lhb Ac Coaches One Sample To Be Approved By Interfacing With Existing Cctv System Before Bulk Supply.