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Data Center–Type DNTS-9D
The DNTS-9D series is a high-performance time server designed for large-scale data centers, supporting multiple GNSS systems or a single BeiDou system, and offering various timing output options. It features a high‑performance holdover unit and an Intel® x86‑64 processor.
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- Product Features
- Product Overview
- Base parameter
- Optional accessories
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- Commodity name: Data Center–Type DNTS-9D
The DNTS-9D series is a high-performance time server designed for large-scale data centers, supporting multiple GNSS systems or a single BeiDou system, and offering various timing output options. It features a high‑performance holdover unit and an Intel® x86‑64 processor.
Product Features
Time source: Optional support for satellite inputs such as BeiDou and GPS, 1PPS+ToD input, IRIG‑B code input, NTP/PTP input, and more.
Time synchronization output: By default, it provides NTP output, 1 PPS output, 10 MHz output, and IRIG‑B code output; other output interfaces can be expanded via optional accessories.
Timekeeping: Supports a high-performance timing unit, with options for temperature-compensated crystal oscillators and rubidium atomic clocks of varying holdover performance levels, and complies with the Advanced Frequency Holdover Precast Model.
Processor Platform: INTEL® x86-64 processor;
Operating System: Full-featured Linux server;
Network Interface: It offers 2 to 14 Ethernet interfaces, including 2 onboard 1 GbE RJ45 ports and 12 optional 1 GbE/10 GbE/25 GbE Ethernet ports with RJ45/SFP connectivity; it also features a single BMC interface that supports management protocols such as IPMI and Redfish.
Monitoring Platform: Supports the DNTS-Manager centralized monitoring software and provides multiple monitoring platform interfaces, including SNMP and Syslog.
Suitable for large-scale data center environments;
B/S Intelligent Network-Wide Time Synchronization Monitoring Platform
B/S architecture: Based on a B/S architecture, it can be accessed directly through a web browser without requiring a dedicated client, making deployment and maintenance convenient.
Secure and Controllable: Supports user permission management, enabling the assignment of different roles to users and leveraging role-based access control to ensure secure and compliant platform access.
Real-time monitoring: Supports monitoring the clock synchronization status of bid‑eligible devices with the BeiDou satellite system; supports retrieving the client list for clock synchronization source servers, including primary, secondary, and tertiary sources; supports real-time monitoring of synchronization metrics for all clients connected to these source servers, such as synchronization status, synchronization hierarchy, time offset, and synchronization request latency; and supports obtaining and monitoring system utilization information—such as CPU idle rate, memory usage, and disk usage—as well as basic system operating parameters from the BeiDou satellite system’s clock servers.
Flexible Alerting: Supports configuring alert thresholds for client clock synchronization metrics; supports setting a client‑side alert whitelist to reduce interference from irrelevant alerts.
Asset Management: Supports asset information management, enabling the association of client IP addresses with corresponding asset details such as business segment and asset owner; also supports generating Excel‑format reports for easy data export and archiving.
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Product Overview
The DNTS-9D series is a high-performance time server developed by Beijing Zhongxinchuang Technology Co., Ltd.
This product series supports high‑precision time synchronization via all major GNSS satellite systems, including GPS, BeiDou, GLONASS, and Galileo (DNTS‑9D‑GB), and can also be configured with an optional module to support only the BeiDou system (DNTS‑9D‑B). In addition to satellite‑based timekeeping, the series accommodates a variety of terrestrial time‑source inputs, such as IRIG‑B code, NTP, PTP, 1PPS+ToD, and even manual time entry for local holdover. Priority among these multiple time sources can be freely configured.
When using a GNSS satellite receiver, priority levels can be configured, and both single‑receiver/dual‑receiver and single‑antenna/dual‑antenna setups are supported. Each receiver can operate in standalone or combined timing modes. If all time sources lose signal, the DNTS‑9D relies on its built-in temperature‑controlled crystal oscillator or rubidium atomic clock to maintain accurate timekeeping, continuously providing external time services. Featuring a proprietary all‑digital phase‑locked loop and a sophisticated frequency‑control algorithm, it delivers superior timekeeping stability and more precise time dissemination.
The DNTS-9D can provide precise standard time signals for distributed networks, computer security systems, file management systems, e‑commerce platforms, B2B systems, cloud computing centers, large database systems, industrial control systems, and more. It has been successfully deployed across government, finance, mobile telecommunications, public security, petroleum, power, transportation, industrial sectors, and national defense.
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Technical Specifications
NTP user terminal synchronization accuracy 0.03–2 ms (typical LAN value) User capacity Can support hundreds of thousands of clients. NTP throughput ≥400,000 times per second NTP Time Synchronization Log Stores ≥100,000 logs, with a configurable log retention period. Timekeeping accuracy (24-hour average) ≤5 ns (1 PPS interface, relative to the UTC‑NTSC master clock) Time‑keeping stability (24‑hour standard deviation) ≤10 ns (1 PPS interface, relative to the UTC‑NTSC master clock) Frequency accuracy (24-hour average under locked condition) ≤5×10 -14 (10 MHz interface) Timekeeping performance ≤8.64 µs/24 hours (standard configuration with a temperature-compensated crystal oscillator) ≤500 ns/24 hours (standard configuration with a rubidium atomic clock) Electromagnetic Compatibility Passed GB/T 17626 Level IV testing. -
Optional accessories
Satellite receiver:
1) Multi-mode, single-frequency timing receiver NTGR-ST
• Supported navigation systems: GPS, BeiDou, GLONASS, Galileo, QZSS
• Supported frequency bands: GPS/QZSS L1C/A, BeiDou B1I, GLONASS L1OF, Galileo E1B/C
• Number of channels: 72 acquisition channels, 36 tracking channels
• Timing accuracy (UTC): ≤20 ns RMS
• Positioning accuracy: 2.5 m CEP horizontally, 5 m CEP vertically
2) Multi-mode, multi-frequency basic timing receiver NTGR-MT-A
• Supported navigation systems: GPS, BeiDou, GLONASS, Galileo, QZSS
• Supported frequency bands: GPS/QZSS L1C/A + L5, BeiDou B1I + B2a, GLONASS L1OF, Galileo E1 + E5a, SBAS L1
• Number of channels: 136 acquisition channels, 40 tracking channels
• Timing accuracy (UTC): ≤20 ns RMS
• Positioning accuracy: 1.5 m CEP horizontally, 3 m CEP vertically
3) Multi-mode, multi-frequency, precision timing receiver NTGR-MT-P
• Supported navigation systems: GPS, BeiDou, GLONASS, Galileo, QZSS
• Supported frequency bands: GPS/QZSS L1C/A + L5, BeiDou B1I + B2a, GLONASS L1OF, Galileo E1 + E5a, SBAS L1
• Number of channels: 960 channels
• Time‑keeping accuracy (UTC): ≤5 ns RMS
• Positioning accuracy: 1.5 m CEP horizontally, 3 m CEP vertically
4) Single-BDS Receiver NTGR-B
• Supported navigation system: BeiDou
• Supported frequency bands: BeiDou B1I + B1C
• Number of channels: 128 acquisition and tracking channels
• Time synchronization accuracy (UTC): ≤15 ns RMS
• Positioning accuracy: 2.5 m CEP horizontally, 3 m CEP vertically
PTP expansion card:
1)NPTP-4F:
• Number of interfaces: Four 1 GbE SFP ports, supporting hardware timestamping and NTP service;
• Synchronization accuracy: PTP single-hop time synchronization accuracy ≤ 10 ns RMS;
• Supports Sync‑E output, with frequency accuracy equivalent to that of a 10 MHz device;
IRIG-B code:
Standard configuration includes one IRIG‑B DC code output, with CMOS levels, supporting formats such as IEEE 1344 and GJB 2991a‑2008.
Output accuracy: <5 ns (relative to 1 PPS);
1)SBCIN-M:
• Supports one IRIG‑B code input channel, with optional RS‑422/RS‑485 or TTL signal levels;
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Product Overview
The DNTS-9D series is a high-performance time server developed by Beijing Zhongxinchuang Technology Co., Ltd.
This product series supports high‑precision time synchronization via all major GNSS satellite systems, including GPS, BeiDou, GLONASS, and Galileo (DNTS‑9D‑GB), and can also be configured with an optional module to support only the BeiDou system (DNTS‑9D‑B). In addition to satellite‑based timekeeping, the series accommodates a variety of terrestrial time‑source inputs, such as IRIG‑B code, NTP, PTP, 1PPS+ToD, and even manual time entry for local holdover. Priority among these multiple time sources can be freely configured.
When using a GNSS satellite receiver, priority levels can be configured, and both single‑receiver/dual‑receiver and single‑antenna/dual‑antenna setups are supported. Each receiver can operate in standalone or combined timing modes. If all time sources lose signal, the DNTS‑9D relies on its built-in temperature‑controlled crystal oscillator or rubidium atomic clock to maintain accurate timekeeping, continuously providing external time services. Featuring a proprietary all‑digital phase‑locked loop and a sophisticated frequency‑control algorithm, it delivers superior timekeeping stability and more precise time dissemination.
The DNTS-9D can provide precise standard time signals for distributed networks, computer security systems, file management systems, e‑commerce platforms, B2B systems, cloud computing centers, large database systems, industrial control systems, and more. It has been successfully deployed across government, finance, mobile telecommunications, public security, petroleum, power, transportation, industrial sectors, and national defense.
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Technical Specifications
| NTP user terminal synchronization accuracy | 0.03–2 ms (typical LAN value) |
| User capacity | Can support hundreds of thousands of clients. |
| NTP throughput | ≥400,000 times per second |
| NTP Time Synchronization Log | Stores ≥100,000 logs, with a configurable log retention period. |
| Timekeeping accuracy (24-hour average) | ≤5 ns (1 PPS interface, relative to the UTC‑NTSC master clock) |
| Time‑keeping stability (24‑hour standard deviation) | ≤10 ns (1 PPS interface, relative to the UTC‑NTSC master clock) |
| Frequency accuracy (24-hour average under locked condition) | ≤5×10 -14 (10 MHz interface) |
| Timekeeping performance | ≤8.64 µs/24 hours (standard configuration with a temperature-compensated crystal oscillator) |
| ≤500 ns/24 hours (standard configuration with a rubidium atomic clock) | |
| Electromagnetic Compatibility | Passed GB/T 17626 Level IV testing. |
This is placeholder text.
Optional accessories
Satellite receiver:
1) Multi-mode, single-frequency timing receiver NTGR-ST
• Supported navigation systems: GPS, BeiDou, GLONASS, Galileo, QZSS
• Supported frequency bands: GPS/QZSS L1C/A, BeiDou B1I, GLONASS L1OF, Galileo E1B/C
• Number of channels: 72 acquisition channels, 36 tracking channels
• Timing accuracy (UTC): ≤20 ns RMS
• Positioning accuracy: 2.5 m CEP horizontally, 5 m CEP vertically
2) Multi-mode, multi-frequency basic timing receiver NTGR-MT-A
• Supported navigation systems: GPS, BeiDou, GLONASS, Galileo, QZSS
• Supported frequency bands: GPS/QZSS L1C/A + L5, BeiDou B1I + B2a, GLONASS L1OF, Galileo E1 + E5a, SBAS L1
• Number of channels: 136 acquisition channels, 40 tracking channels
• Timing accuracy (UTC): ≤20 ns RMS
• Positioning accuracy: 1.5 m CEP horizontally, 3 m CEP vertically
3) Multi-mode, multi-frequency, precision timing receiver NTGR-MT-P
• Supported navigation systems: GPS, BeiDou, GLONASS, Galileo, QZSS
• Supported frequency bands: GPS/QZSS L1C/A + L5, BeiDou B1I + B2a, GLONASS L1OF, Galileo E1 + E5a, SBAS L1
• Number of channels: 960 channels
• Time‑keeping accuracy (UTC): ≤5 ns RMS
• Positioning accuracy: 1.5 m CEP horizontally, 3 m CEP vertically
4) Single-BDS Receiver NTGR-B
• Supported navigation system: BeiDou
• Supported frequency bands: BeiDou B1I + B1C
• Number of channels: 128 acquisition and tracking channels
• Time synchronization accuracy (UTC): ≤15 ns RMS
• Positioning accuracy: 2.5 m CEP horizontally, 3 m CEP vertically
PTP expansion card:
1)NPTP-4F:
• Number of interfaces: Four 1 GbE SFP ports, supporting hardware timestamping and NTP service;
• Synchronization accuracy: PTP single-hop time synchronization accuracy ≤ 10 ns RMS;
• Supports Sync‑E output, with frequency accuracy equivalent to that of a 10 MHz device;
IRIG-B code:
Standard configuration includes one IRIG‑B DC code output, with CMOS levels, supporting formats such as IEEE 1344 and GJB 2991a‑2008.
Output accuracy: <5 ns (relative to 1 PPS);
1)SBCIN-M:
• Supports one IRIG‑B code input channel, with optional RS‑422/RS‑485 or TTL signal levels;
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E-mail:support@neutrontek.com
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