T680-RB
High-precision time

T680-RB PTP / NTP time synchronization server, and PTP and NTP timing service for integration, can support NTP and SNTP network synchronization protocol, also can use PTP to provide high precision clock synchronization and timestamp function, let multiple devices through network protocol to accurate time synchronization, to achieve high performance, high available distributed system, but also can use the PTP4L daemon to monitor and evaluate the LinuxPTP time synchronization accuracy. The hardware of the equipment adopts redundant architecture design. The high-precision clock is directly derived from the atomic clock of each satellite in the GNSS system, and the local clock source is tamed through signal analysis to achieve the function of keeping the local clock accurately after the loss of satellite signals. The device software adopts a variety of anti-interference detection and identification algorithms of BDSTAR TIME to detect abnormal signals caused by interference and malicious attacks. Unique embedded hardware design, efficient Linux operating system, can flexibly expand a variety of clock signal output. Full support for the latest NTP timing protocol, MD5 security encryption protocol and certificate encryption protocol, the network time accuracy can reach the microsecond level. At the same time, it supports TOD, 10 MHz, 1 PPS, logging, USB port upgrade and download, and dry contact alarm functions. Combined with the whole network time unified monitoring software independently developed by BDSTAR TIME, it can easily realize network time synchronization and effective monitoring.

Important function

Important features

T680-RB PTP / NTP time synchronization server innovatively integrates reference source seamless switching technology, highprecision time interval measurement TIC technology and adaptive precision frequency measurement and control technology. Adopt modular design, composed of Beidou receiver, GPS receiver, highperformance industrial motherboard, man-machine interface and monitoring management unit, local clock tame unit, output interface module and power module. The T680-RB PTP / NTP time synchronization server core consists of 64-bit high-performance CPU, high-speed FPGA and high stability oscillator (Rubidium atomic clock or OCXO), which uses Linux for multi-task real-time parallel processing and scheduling. The system can simultaneously receive the second synchronization and time information sent by Beidou and GPS and the network time message meeting the NTP / SNTP + PTP protocol, automatically select the external time reference signal as the synchronization source according to the priority and control it to the locked state (LOCKED). This results in an uninterrupted output of time information synchronised with UTC