https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
CCTV O/E

CCTV O/E

ToCoTech Ltd.,
Region: Taiwan
Update: 05/23/2008
Key Specifications
VNX Series Video/Audio/Data/Intercom/Ethernet Digital Fiber-optic Transmission System

1-8Channel Wall Mounted(Max range 120km)

1-Channel Video, Bi-directional Audio, Data and Ethernet transmission equipment.

1-16 Channel Rack Mounted (max range 80km)

16 Channel Video, Bi-directional Audio, Data, and Ethernet transmission equipment.

VNX-BVT Video Conferencing Transmission System

VNX-BVT transmits high-quality 1-8channels of bi-directional Video, Audio, Data, AIPhone, E1, Ethernet data.

VNX-JD Transmission System

VNX-JD transmits and exchanges high-quality Video, Audio and Ethernet,data among difference nodes(max 3 video channels each) linked in series. VNX-JD uses state-of-the-art Time Division Multiplexing(TDM)to avoid the need for higher cost point-to-point Tx/Rx pairs, so that fiber transmitters can be economically located,just where they are needed and a single serised fiber cable is linked between all transmitters back to the rack-mounted head-end receiver units.

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions