WISI is a leading global provider of reception and distribution technology, specializing in broadband networks, satellite systems, and signal processing solutions.
WISI Communications GmbH & Co. KG is a historic developer and manufacturer of high-quality broadband and reception technology. Founded in 1926 in Germany, the company offers a comprehensive portfolio of products designed for cable TV, satellite reception, and fiber optic networks. Key product lines include multiswitches, amplifiers, headends, modulators, and optical transmission components used by network operators, broadcasters, and installers worldwide.
With a focus on innovation and reliability, WISI provides solutions for both intelligent networks and home distribution systems. Their products ensure stable signal transmission for DVB-S/S2, DVB-T/T2, DAB, and FM signals. The company operates globally, delivering German-engineered technology to enhance connectivity in residential complexes and commercial infrastructures.
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Many WISI multiswitches, such as the PRO SWITCH DY series, can be powered via connected receivers, satellite trunk lines, or an external power supply unit (e.g., DY 70 or DG 55). Check your specific model's manual for power requirements.
The ground connector is essential for potential equalization and safety. It must be connected to the building's grounding system using a cable with a cross-section of at least 4 mm² to meet safety standards like EN 50 083-1.
Yes, most WISI multiswitches feature a passive terrestrial path (5–862 MHz) that allows the distribution of DVB-T/T2, DAB, and FM radio signals alongside satellite feeds without requiring an additional amplivligere.
Internal fuses in units like the DY 70 Pro Switch are located inside the housing. Note that the cover should not be removed by users due to dangerous voltages; service should be performed by qualified personnel.
Satellite position selection is typically controlled by DiSEqC signals sent from the connected satellite receiver to the multiswitch.