Time-Frequency Encyclopedia

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2024

Zhongxin Chuangwei provides clock synchronization server equipment for Fuzhou Changle Airport.

Zhongxin Chuangwei provides clock synchronization server equipment for Fuzhou Changle Airport.

Recently, Fuzhou Changle Airport issued a tender for a time server. Beijing Zhongxin Chuang promptly collaborated to develop a detailed proposal and recommended its self‑developed and manufactured DNTS‑9 time server as the bid‑winning product. Following a fiercely competitive bidding process, Zhongxin Chuang stood out thanks to its high‑quality products and comprehensive after‑sales service, ultimately securing the contract for the Beidou timing equipment project at Fuzhou Changle Airport.

Fuzhou Changle International Airport (IATA: FOC, ICAO: ZSFZ), commonly referred to as Fuzhou Airport, is located in Fuzhou City, Fujian Province, China. Changle District Zhanggang Subdistrict Jinhu Meixian Airport [78], located approximately 39 kilometers from downtown Fuzhou, is a 4E‑class civil international airport, a regional hub, a gateway hub for the “Maritime Silk Road,” and a member of the East China airport cluster.

Fuzhou Changle Airport conducted an in-depth evaluation of the DNTS‑9 time server, independently developed by Zhongxin Chuang, and found that all measured performance metrics exceeded the specified requirements. The airport also expressed strong satisfaction with our product quality and after-sales service, resulting in a successful procurement and deployment.

The DNTS-9 network time server, developed by Beijing Zhongxinchuang Technology Co., Ltd., is an intelligent, high-precision NTP network time server. The DNTS-9 obtains standard time information from navigation and positioning satellite systems such as GPS, BeiDou, GLONASS, and Galileo, and provides standard time services over the network via NTP/SNTP or other network protocols. Devices in the network that require time synchronization—such as personal computers, servers, and controllers—can synchronize with international standard time.

When using GNSS satellite receivers simultaneously, priority can be configured; the system supports single‑receiver/dual‑receiver and single‑antenna/dual‑antenna configurations, with each receiver capable of operating in standalone or combined timing modes. If both receivers and all other available time sources lose signal, the DNTS‑9 relies on its built-in temperature‑controlled crystal oscillator or rubidium atomic clock to maintain timekeeping and continuously provides time services to external users.

In addition to serving as a primary‑level network time‑synchronization device, the DNTS‑9 can also function as a secondary‑level time server, enabling more effective time synchronization in large‑scale network environments. It provides high‑precision standard time signals for systems such as distributed networks, computer security systems, file management systems, e‑commerce platforms, online B2B systems, and cloud database storage and maintenance. The DNTS‑9 has been successfully deployed across government, finance, mobile telecommunications, public security, petroleum, power, transportation, industrial, and defense sectors.

The DNTS-9 network time server is extremely easy to install and use: simply connect the satellite receiving antenna and plug the network port into a network switch, and you can achieve time synchronization across all devices on the network.

Client software

Provides NTP‑based time‑synchronization software for Windows, running as a service. Client support includes operating systems such as Windows 98, NT, 2000, XP, Vista, 7, 8, 10, and Server 2008, Server 2012, Server 2016, among others.

Centralized management software

Overview: The DNTS-Manager centralized management software not only enables easy remote network login, monitoring, management, configuration, and maintenance, but also allows real-time monitoring of time synchronization on both NTP servers and clients, supporting simultaneous monitoring of thousands of NTP servers and tens of thousands of client devices.

Client: request intervals, deviation limits exceeded, request timeouts, etc.

NTP Server: Monitors NTP server information, including uptime, synchronization status, network parameters, satellite time, server time, and synchronization with the reference source.

Alerts: Alerts can be generated via protocols such as Syslog, SNMP, and email, and you can configure alert types, severity levels, and other parameters to customize the reporting criteria.

Statistics: Records all time‑synchronization logs and alarm logs, saving them separately; also tallies the number of clients, their IP addresses, and the request records for each IP.
Security: All management channels can be configured with strong encryption and enabled with certificate-based authentication, ensuring that communication content cannot be intercepted or stolen, and preventing malicious tampering with device configurations that could cause network-wide failures, thereby enhancing network security.

With 20 years of industry experience, our company has established a strong corporate reputation and brand image, serving customers in the transportation sector, including:

Ministry of Railways of the People’s Republic of China, China Railway Signal & Communication Group, Civil Aviation Administration of China, Shandong Provincial Department of Transportation, Beijing Railway Bureau, Shanghai Railway Bureau, Guangzhou Railway Bureau, Nanning Railway Bureau, Zhengzhou Railway Bureau, Kunming Railway Bureau, Xinjiang Railway Bureau, Jinan Railway Bureau, China Communications Construction Company First Highway Engineering Bureau Co., Ltd., Angola Railway “Five Stations and One Line” Project, Changzhi Chanrong New City Investment and Operation Group Co., Ltd., Yinzhou District Highway Management Section, Wuyang Expressway, Jilin Air Traffic Control, Dalian Port Logistics Network, Chengdu Railway Bureau, Haining ENN Smart Operations Center, Northwest Air Traffic Management Bureau, Xinjiang Jiaotou Technology Co., Ltd., Henan Railway Bureau, and others.

The choice of numerous departments and enterprises reflects recognition of Zhongxin Chuang’s products and services. By working in close collaboration with partners from all sectors, we are jointly advancing toward win‑win outcomes for businesses and society alike!

Zhongxin Chuangwei provides clock synchronization server equipment for Chengdu Tianfu International Airport.

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Zhongxin Chuangwei provides clock synchronization server equipment for Chengdu Tianfu International Airport.

Zhongxin Chuangwei provides clock synchronization server equipment to Peking University Third Hospital.