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If a multiplexer in a DAB transmitter network fails, this may have fatal consequences. Depending on the network’s architecture, a multiplexer failure may cause a local, regional, or even countrywide loss of programs. The DAB Multiplexer DM001 from Rohde & Schwarz (FIG 1) is the central element in a DAB transmitter chain. High availability of the multiplexer is vital for reliable operation. The use of the service transport interface (STI) in the new DM001/ STI and a redundancy concept offer network operators many advantages.
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