SONATA-U network clock synchronisation equipment

SONATA-U is a network synchronisation clock (NTC) apparatus combining the functions of a secondary (VZG) and local (MZG) setpoint generator. Multifunctional equipment SONATA-U is designed for use as synchronisation equipment of the second and local level of hierarchy in the digital communication network. Input synchronisation signals, except those coming from the generator of the highest hierarchical level, can be 1pps signals, from an external source or from one of the two built-in GLONASS synchronisation receivers. SONATA-U has 32 ports with 120 Ohm output impedance for 2048 kHz / 2048 kbps output sync signals, the type of signal is set in the parameter setting menu. SONATA-U equipment includes blocks of NTP and PTP servers, whose built-in clocks are synchronised from GLONASS synchronisation receivers, and the stability of the clock is ensured by the main high-stable synchronisation signal.