Telephone Hybrids

Audio Codecs



MAGIC SDC provides a seamless switching of redundant DAB Multiplexer systems.The system can be used as classic ETI switch for E1 G.703/G.704 lines or as EDI switch for IP networks. If the EDI Option is enabled, the system can also convert EDI to ETI and vice versa, so that DAB Multiplexers which do not support a native ETI still can be integrated into the existing ETI infrastructure.

The MAGIC EEC allows the converting of ETI to EDI and EDI to ETI signals. Typical applications are headends with DAB modulators which do not yet support EDI and modern Ensemble Multiplexers which already provide an EDI output signal (e.g. Fraunhofer ContentServerTM). Due to the converter the contribution to the transmitter can be realised via E1 lines using the ETI format despite the EDI output of the Multiplexer. Another example are headends with Ensemble Multiplexers, which have only ETI inputs and outputs (e.g. Rohde & Schwarz DM001), but where the contribution is possible only via IP networks using the EDI protocol.

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