I. Project Name

Institute of Modern Physics, Chinese Academy of Sciences NTP Clock Server Procurement Project

II. Duration of Cooperation

2025 year 10 month

• Customer Introduction

Institute of Modern Physics, Chinese Academy of Sciences (abbreviated as “ Institute of Modern Physics ” ) is 1956 A nuclear science research base established in [year] pursuant to Premier Zhou Enlai’s instructions, formerly known as… 1957 The Lanzhou Institute of Physics of the Chinese Academy of Sciences, established in [year], 1962 It officially adopted its current name in [year].

The Institute of Modern Physics is a foundational research institute that leverages large-scale scientific facilities to conduct cutting-edge research in heavy-ion science and technology, as well as accelerator-driven advanced nuclear energy systems. It serves as a key national strategic scientific and technological force in China’s heavy-ion science and technology field. The institute’s principal research areas encompass nuclear physics, atomic and molecular physics, radiobiology, nuclear materials and processing technologies, spent fuel reprocessing technologies, and particle accelerator technologies, among others.

The Institute of Modern Physics is responsible for the operation and construction of several major national scientific infrastructure facilities, including the Lanzhou Heavy Ion Accelerator, the High-Current Heavy Ion Accelerator, and the Accelerator-Driven Transmutation Research Facility. It also houses multiple national-level research platforms, such as the Lanzhou Heavy Ion Accelerator National Laboratory. / At the provincial and ministerial levels, research platforms face extremely stringent requirements for the precision, stability, and security of time synchronization in their scientific missions.

IV. Purchased Products

• Product Name: NTP Server

• Model: DNTS-9

V. Customer Requirements

1. High-Precision Timing Requirements : Large-scale scientific facilities (such as heavy-ion accelerators) and research experimental equipment require Millisecond-level or even sub-millisecond-level Time synchronization ensures the consistency of experimental data and Accurate Degree.

2. Multi-source time synchronization and autonomous controllability requirements : Supports BeiDou, GPS Time synchronization across multiple satellite systems prioritizes compatibility with the domestically developed BeiDou system, ensuring independent and controllable time sources and compliance with scientific research security standards.

3. High stability and long-term timekeeping requirements : Scientific research experiments have long durations and require equipment with high stability ( MTBF≥80000 hours); when the satellite signal is lost, a temperature-compensated crystal oscillator can be used. / Rubidium atomic clock Accurate Punctuality ensures that experiments are not interrupted.

4. Multi-device synchronization and easy management requirements : It is necessary to synchronize hundreds of devices within the institute, including servers, controllers, and data acquisition equipment, while supporting centralized monitoring and management to reduce operational complexity.

5. Adapted to the demanding research environment : The equipment must be compatible with the data center. 7×24 It operates continuously for extended periods, features wide-temperature operation and strong anti-interference capabilities, and complies with electromagnetic compatibility standards for research environments.

VI. Solution

Beijing Zhongxinchuang Technology Co., Ltd., based on customer needs, provides DNTS-9 High precision NTP Clock server Customized deployment plan; the core configuration and scheme are as follows:

1. Core Equipment Deployment : Deployed in the institute’s core data center 1 Taiwan DNTS-9 NTP The server, serving as a primary time synchronization node, provides a standard time source for all network devices across the institute.

2. Multi-source timing configuration : The device supports BeiDou, GPS 、 GLONASS and so on GNSS Satellite system, with BeiDou timing as the default priority; supports single / Dual receiver, single / Dual-antenna configuration ensures redundant backup of the time source.

3. High-Precision Timekeeping Configuration : Built-in high-performance temperature-compensated crystal oscillator (optional rubidium atomic clock); after satellite signal loss, timing accuracy can be maintained. Microsecond-level , meeting the needs of long-term scientific research experiments.

4. Network Synchronization Architecture ： DNTS-9 Equipped with 6 On-board circuit board 1 GbE RJ45 Network port, expandable 4 road 1GbE/10GbE/25GbE Interface, through NTP/SNTP The protocol provides time synchronization for all servers, accelerator control devices, and data acquisition terminals, with a synchronization accuracy better than. 2 Milliseconds.

5. Centralized Monitoring and Management : Matching DNTS Manager Centralized monitoring software, supports SNMP 、 Syslog With these protocols, you can remotely monitor device operating status and time‑source synchronization, receive timely alerts for anomalies, and streamline operations and maintenance.

6. Adaptation to Harsh Environments : The device features an industrial-grade hardware design and is equipped with INTEL® x86-64 Processor and Full Features Linux Server System, supports 0 ~+ 50℃ Wide-temperature operation, MTBF reach 80000 Hours, compatible with the research lab server room 7×24 Hour-long continuous operation scenario.

VII. Implementation Outcomes

1. Time synchronization accuracy meets the standard. ： DNTS-9 After the equipment was brought online, the time synchronization accuracy of all research instruments at the institute has been stably maintained within 1-2 Millisecond , meeting the high-precision research requirements of heavy-ion accelerators, nuclear physics experiments, and other applications, with a significant improvement in the consistency of experimental data.

2. Time synchronization is autonomous, controllable, and stable. : The priority BeiDou timing mode is operating normally, and a multi-satellite-source redundancy design enables seamless switching of time sources; when satellite signals are lost, a temperature-compensated crystal oscillator maintains accurate timekeeping. Accurate , no research interruptions have occurred due to time synchronization issues.

3. Operational efficiency has improved significantly. : The centralized monitoring platform enables visualized management of device status, while remote configuration and alerting features reduce the frequency of on-site operations and maintenance, thereby improving operational efficiency. 60% In summary, this reduces the costs of research support.

4. Suitable for long-term scientific research operations : Since the equipment was delivered 7×24 It operates reliably for extended periods with no unplanned downtime, and its wide‑temperature‑range, anti‑interference design is well suited to the demanding conditions of data centers, meeting the stringent requirements for long‑term, stable operation in research environments.

5. Comply with research safety regulations. : Domestic DNTS-9 The equipment is compatible with the BeiDou timing system, features core technologies that are independently controllable, and complies with information security and independent‑control policies in the research sector, thereby supporting the development of a robust research‑security framework.

VIII. Application Cases

China Academy of Launch Vehicle Technology, Tianma Telescope of the Chinese Academy of Sciences, Shenzhou‑14 Manned Spacecraft, Shanghai Academy of Spaceflight Technology, China Electric Power Research Institute, Institute of Physics of the Chinese Academy of Engineering, Institute of Automation of the Chinese Academy of Sciences, Institute of Oceanology of the Chinese Academy of Sciences, Institute of High Energy Physics of the Chinese Academy of Sciences, China Institute of Atomic Energy, Nanjing Institute of Astronomical Optical Technology of the National Astronomical Observatories, China Academy of Information and Communications Technology, Lanzhou Branch of the Chinese Academy of Sciences, Institute of Modern Physics of the Chinese Academy of Sciences, China Railway Scientific Research Institute, Instrument Research Institute of the Nanjing Astronomical Observatory of the Chinese Academy of Sciences, Xichang Satellite Launch Center, China Electronics Technology Group Corporation No. … 54 Research Institute, the Tenth Research Institute of China Electronics Technology Group Corporation, the Eighth Research Institute of China Electronics Technology Group Corporation, the Fifteenth Research Institute of China Electronics Technology Group Corporation, the Thirty-Sixth Research Institute of CETC, the Xi’an Flight Automatic Control Research Institute of Aviation Industry Corporation of China, the Taiyuan Satellite Launch Center, the Beijing‑1 Satellite Ground Station, China Putian, Shanghai Lizheng Satellite Application Technology, the Shanghai Small Satellite Engineering Center, the Chongqing Transportation Science Research Institute of China Merchants Group, the Railway Research Institute, the Lanzhou Institute of Physics, the …th Research Institute of China Electronics Technology Group Corporation. 12 Research institutes, including the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences, the 36th Research Institute of China Electronics Technology Group Corporation, and the Institute of Information Science, among others.