Field termination modules
Field termination modules provide connections of analogue and discrete signals from the field devices and mechanisms to controlling equipment with the necessary protection, galvanic isolation of circuits, state control, and selective switching-off of channels for service.
Primary reference source – Server of exact times GLONASS/GPS TS-1
Exact time server GLONASS/GPS is intended for determination of time according to signals of satellite navigation GLONASS and GPS systems on L1 GPS and L1 GLONASS frequencies, and synchronization of NTP and SNTP clients.