Time-Frequency Encyclopedia

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2020

Zhongxin Chuangwei provides clock synchronization equipment to Qingfeng Pharmaceutical Group.

Zhongxin Chuangwei provides clock synchronization equipment to Qingfeng Pharmaceutical Group.

Recently, Qingfeng Pharmaceutical Group issued a request for a clock synchronization system. Beijing Zhongxin Chuang promptly collaborated to develop a detailed solution and recommended its self‑developed and manufactured DNTS‑8 time server as the bid‑winning product. Following a highly competitive bidding process, Zhongxin Chuang stood out thanks to its high‑quality products and comprehensive after‑sales service, ultimately securing the contract for Qingfeng Pharmaceutical Group’s clock synchronization system project.

Qingfeng Pharmaceutical Group Co., Ltd. is a modern pharmaceutical enterprise group that integrates cross-regional operations, industry–university–research collaboration, and the convergence of science, technology, industry, and trade. It operates 10 wholly owned subsidiaries, 2 controlled companies, and 1 equity‑participated company across Ganzhou, Beijing, Shanghai, Hangzhou, Shenzhen, Kunming, and other locations, with a current workforce of over 2,000 employees.

Qingfeng Pharmaceutical Group conducted an in-depth evaluation of the DNTS‑8 clock server, independently developed by Zhongxin Chuang. The results consistently exceeded the specified performance parameters, and the company expressed high satisfaction with both our product quality and after-sales service, proceeding smoothly with procurement and deployment.

The DNTS-8 time server, developed by Beijing Zhongxinchuang Technology Co., Ltd., is a high-tech, intelligent, stand-alone clock synchronization server that operates based on the NTP/SNTP protocols and delivers high precision. The DNTS-8 obtains standard clock signal information from GPS satellites and transmits this data across the network, enabling devices requiring time signals—such as computers and controllers—to synchronize with the standard clock. When the receiver loses signal, the DNTS-8 relies on its built-in temperature-compensated crystal oscillator for timekeeping, achieving a timing accuracy of up to 1E-9. The DNTS-8 uses standard clock information transmitted over TCP/IP networks and supports multiple popular time‑distribution protocols, including NTP and time/UDP; it also accommodates custom‑defined time‑broadcast packets with configurable UDP ports. The port numbers for NTP and time/UDP are fixed at 123 and 37, respectively, as specified in RFC-123 and RFC-37, while also supporting the broadcast mode of the SNTP protocol.

Product dimensions	19-inch 1U
Receiver	Built-in 36-channel GPS receiver
Built-in clock	Built-in temperature-compensated crystal oscillator; even when satellite signals are lost, it continues to output a standard time signal.
Liquid crystal display	LCD displays time in two lines of 20 characters each, showing the current time, the number of satellites, and the device’s operating status. LEDs indicate power status, satellite lock status, hold‑over operation, alarms, and NTP validity.
Throughput	Can handle 2,000 time requests per second per port.
Local Alarm	Supports SNMP alarms, local dry-contact alarm output, current rating 10A.
Output interface	RS232/485, IRIG-B, 10M, 1PPS, 10 MHz sine wave output, BNC connector 1 PPS output, BNC connector IRIG-B code output, BNC interface IRIG-B code input, BNC interface RS232 output, supports the TL1 protocol.
Input interface	Serial port input; time can be set manually, and it can serve as an external clock source.
Timekeeping function	Even when satellite signals are lost, it must still output a standard time signal, with the temperature‑compensated crystal oscillator achieving an accuracy of better than 1 × 10⁻¹².
Encryption Verification	Provides MD5 encryption verification functionality.
Network management functions	It features comprehensive SNMP network management capabilities.
Feature Expansion	Supports expanding to select other functional modules.
Settings Management	Supports configuration and management via web pages, Telnet, and other methods.
Timekeeping Record	Time‑synchronization logs can be viewed via the web interface and Telnet; the installed software can store an unlimited number of records.
UDP operating mode	Provides the UDP broadcast protocol, enabling connection to electronic clock LED displays. You can configure at least eight UDP remote IP addresses and port numbers: Output the newly created science and technology time data packet: A total of 32 bytes, with the following details: Offset Description 00...01 year (00...99) 02...03 months (01...12) 04...05 day (01...31) 06...07 hours (00...23) 08...09 points (00...59) 10...11 seconds (always 00) 12 weeks (1-Mon, 2-Tue, ...) 13 Daylight Saving Time Flag (0-no, 1-yes) 14 String terminator, ‘\0’ 15 String terminator, ‘\0’ 16...19 32-bit CET/CST time in UNIX format 20...23 32-bit GMT time in UNIX format 24...31 All 0

With 18 years of industry experience, our company has established a strong corporate reputation and brand image, serving clients in the healthcare sector, including:

Peking Union Medical College Hospital, The First Affiliated Hospital of China Medical University, Cancer Hospital of the Chinese Academy of Medical Sciences, Tiantan Hospital of Capital Medical University, Peking University People’s Hospital, Beijing Children’s Hospital, China-Japan Friendship Hospital, Peking University Third Hospital (Qinghua Changgeng), Shanghai First People’s Hospital, Shandong Provincial Public Security General Hospital, Rencheng District People’s Hospital in Jining City, The Affiliated Hospital of Harbin Medical University, PLA No. 187 Hospital, Kunming First People’s Hospital, Fujian Provincial Hospital, Inner Mongolia Baogang Hospital, Henan Provincial Second People’s Hospital, The First Affiliated Hospital of Henan University of Science and Technology, Wuxi Municipal Hospital Management Center, Inner Mongolia Health Department and Linggeer County Health Bureau, Linzi District Maternal and Child Health Hospital, Qufu City People’s Hospital, Datong City Second People’s Hospital, JianShi County People’s Hospital in Hubei Province, Beihua University Affiliated Hospital, Suzhou Traditional Chinese Medicine Hospital, Yueyang City Traditional Chinese Medicine Hospital, Ar Horqin Banner Hospital, Jiujiang Maternal and Child Health Hospital, Luoyang Sixth People’s Hospital, Ar Horqin Banner Traditional Chinese Medicine Hospital, Dongying City People’s Hospital, Fushun Central Hospital, Guangxi Medical University Affiliated Hospital, Linshu County People’s Hospital, Pengshui County People’s Hospital, Yanjiao People’s Hospital in Sanhe City, Zhongwei City Traditional Chinese Medicine Hospital, Jiangjin District Central Hospital in Chongqing, Jungar Banner Central Hospital, Taizhou Hospital, Ili Jiangsu Hospital, Fushun Central Hospital, Australian People’s Hospital, Quzhou City Hospital, 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 across all sectors, we are jointly advancing toward win-win outcomes for businesses and society alike.

Zhongxin Chuangwei provides clock synchronization equipment to Capital Medical University.

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Zhongxin Chuangwei provides clock synchronization equipment to Capital Medical University.

Zhongxin Chuangwei provides an NTP time server for Zhejiang Rural Credit Union.