High Quality Content by WIKIPEDIA articles! The TV Network Protocol or TVNP as it is more commonly referred to is an open network protocol developed to enable CCTV systems from any manufacturer to be integrated into an existing CCTV network. It provides high levels of support for audio routing, video routing and camera control. The protocol was developed by Philips Projects (now Tyco Integrated Systems) on behalf of the Traffic Control Systems Unit (TCSU), now a part of Transport For London. Tyco acts as the standards and approvals house for companies who want to implement the protocol.

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