The Audio Switch Matrix (ASM) is designed for integration into systems in which signal sources are to be connect with different communication devices. The ASM manages and monitors control signals, audio signals and/or data lines in communication systems. The signal direction is bidirectional to and from the terminals and devices. The ASM covers the frequency range from DC to 1 MHz.

Up to 24 terminals and up to 24 devices can be connected to the ASM. Four line pairs are allocated to each terminal or device so the unit provides a line capacity of 96 line pairs (192 lines). Transmitter and receiver can be assigned independently.

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