Functions Stratum 1 operation via gps and/or bd satellite Support multi-format inputs: ptp, irig-b, bits, 10mhz Support multi-format outputs: ntp, ptp, irig-b, pulse, serial, bits, 10mhz 1x 10/100 base-t ethernet interface for management Internal precision time-keeping via ocxo Support automatic selection of valid time source Support iec61850, iec60870-5-104 standard Fault alarm functions for time source, board cards, power supply and so on. Time delay compensation mechanism, compensation range: 20ns~500ms Time continuity judgment mechanism to avoid output time discontinuity Rigorous frequency calibration algorithm, to obtain high stable frequency holdover accuracy Features Flexible module card design, easy for outputs configuration 2 x internal frequency source are configurable, to ensure the internal time reliability and security Support duplex, hot standby, cold standby configuration Lcd display with man-machine interaction brings a simple operation Adapt to the strong electromagnetic interference environments Redundant dual power supplies 19’’ / 4u rack mount Specifications Time reference: Bd b1, gps l1, bd & gps Inputs:Ptp, irig-b, bits, 10mhz Outputs:Irig-bTtl?rs422/rs485?rs232?fiber?idle contact Pulse(1pps/1ppm/1pph):Ttl?rs422/rs485?rs232?fiber?idle contact Serial (tod)Rs232 Ntp/sntpRj45 Ptp over ethernetRj45 Ptp over e1Bnc 10mhzBnc BitsBnc Time performance: Time accuracy to utc=100ns(rms) Holdover accuracy=1µs/hr (after 24 hours locked) Frequency accuracy=1e-12/day (after 24 hours tamed) Frequency stability