Patch cords with integrated baluns enable multi- HD video support

April 30, 2008
April 30, 2008 -- Siemon's Hybrid TERA to F-Type or PAL baluns allow four individual TV, CATV, CCTV or other HD video signals to transmit over a single twisted-pair network cable and outlet.

April 30, 2008 -- Network infrastructure specialist Siemon has introduced a line of hybrid patch cords designed to enable high density and efficient transmission of video signals over twisted-pair network cabling.

The patch cords combine a 1-pair TERA plug with an integrated F-type or PAL balun, allowing direct support of video equipment such as CATV receivers, CCTV cameras, DVD players and televisions, through a category 7A TERA network infrastructure. Usable up to 1000 MHz, the cords far exceed the 862 MHz frequency ceiling of CATV systems, according to the company.

Through the TERA technology's cable-sharing capability, four of these 1-pair cords can interface with a single TERA outlet and cable. Accepted by both TIA and ISO, cable sharing can reduce the overall number of channels required to support video transmission, effectively quadrupling connectivity density without increasing permanent link cable density. Additionally, by utilizing the same high-performance cabling plant for both data and video, the need for additional coaxial or other video-specific channels is eliminated.

No additional converters or adapters are required to connect to standard video equipment. The integrated baluns convert unbalanced video signals designed for coaxial cabling at 75ohms impedance to balanced 100 ohm impedance signals required for transmission over balanced twisted pair cabling. The integrated F-type or PAL connectors are compatible with standard global video equipment interfaces.

While the ability to reduce cabling channels utilizing hybrid TERA video cords makes Siemon's TERA cabling solution ideal for a range of video applications such as CCTV security systems, video conferencing, and CATV broadcasts, cable sharing is not limited to video, notes the company. With a variety of 1, 2 and 4-pair hybrid TERA to RJ patch cord options, multiple voice and data applications can also be simultaneously supported by a single TERA outlet and cable. Examples include four analog phones, two VoIP phones, two 10/100 Ethernet connections or a combination of the above.

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