FIELD: information technologies.
SUBSTANCE: each unit of a network element blocks a signal of clock synchronisation of a unit of an upper level network element via a physical channel, and creates a network of clock synchronisation; each above unit of a network element uses a blocked signal of clock synchronisation for time count, and using this count, it executes time compensation for realisation of time synchronisation with the help of a network time protocol (NTP), besides, each unit of a network element applies a blocked clock signal for time count, and according to such count, it performs time compensation for realisation of clock synchronisation. Therefore a problem is solved in appropriate equipment, when a cumulative effect of phase transmission causes a too evident time delay, and the phase delay is reduced.
EFFECT: improved accuracy of time synchronisation and noise immunity.
10 cl, 7 dwg
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