MT9042 synchronizer equivalent, global digital trunk synchronizer.
* Provides T1 and E1 clocks, and ST-BUS/GCI framing signals locked to an input reference of either 8 kHz (frame pulse), 1.544 MHz (T1), or 2.048 MHz (E1) Meets AT & T.
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* Synchronization and timing control for T1 and E1 digital transmission links ST-BUS clock and frame pul.
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