General Description The MUSAC-A is an upward compatible device to the components MTSC and MUSAC. Additionally to the standard MUSAC features switching and conferencing, the MUSAC-A supports additional attenuation functions. Features Switching • Time/space switch for 2048-, 4096- or 8192-kbit/s PCM systems • Switching of up to 512 incoming PCM channels to up to 256 outgoing PCM channels • 16 input and 8 output PCM lines • Different kinds of modes (2048, 4096, 8192 kbit/s or mixed mode) • Configurable for a 4096- and 8192-kHz device clock • Tristate function for further expansion and tandem operation Attenuation and Amplification • Attenuation and amplification of every time-slot • Attenuation range from 0 to 12 dB • Amplification range from 0 to 4 dB