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100-Mbps Timekeeping Model DNTS-8
The DNTS-8 series is a high-performance time server, equipped with a 32-bit embedded MCU and an RTOS, supporting multiple GNSS constellations or a single BeiDou system, making it well suited for industrial control applications and other scenarios.
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- Product Features
- Product Overview
- Base parameter
- Optional accessories
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- Commodity name: 100-Mbps Timekeeping Model DNTS-8
The DNTS-8 series is a high-performance time server, equipped with a 32-bit embedded MCU and an RTOS, supporting multiple GNSS constellations or a single BeiDou system, making it well suited for industrial control applications and other scenarios.
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 supports the Advanced Frequency Holdover Precast Model;
Processor platform : 32-bit embedded MCU processor;
Operating system : Embedded RTOS;
Network interface : Optionally equipped with 1 to 12 fully isolated 100 Mbps Ethernet interfaces, each interface featuring a completely independent CPU, storage space, and operating system environment, with no inter‑interface communication.
Monitoring platform : Supports Syslog and SNMP monitoring interfaces;
Suitable for use in industrial control and similar applications;
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Product Overview
The DNTS-8 series is a high-performance time server product 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‑8‑GB), and can also be configured with an optional single‑BeiDou module for exclusive use of BeiDou satellites (DNTS‑8‑B). In addition to satellite‑based timing, the series accommodates multiple terrestrial time‑source inputs, such as IRIG‑B code, NTP, PTP, 1PPS+ToD, and even manual time entry for local holdover. Priority among these diverse 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‑8 relies on its built-in temperature‑controlled crystal oscillator or rubidium atomic clock to maintain accurate timekeeping, continuously providing external time services. Thanks to its proprietary all‑digital phase‑locked loop technology and adaptive frequency‑locking algorithm, it achieves superior timekeeping stability and more precise time dissemination.
DNTS-8 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, electric power, transportation, industry, and national defense sectors.
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Product Features
NTP user terminal synchronization accuracy 0.03–2 ms (typical LAN value) User capacity Can support tens of thousands of clients. NTP throughput ≥2000 operations per second per network port NTP Time Synchronization Log 50 log entries stored Timekeeping accuracy (24-hour average) ≤5 ns (1 PPS interface, relative to the UTC‑NTSC master clock) Time‑keeping stability (24‑hour standard deviation) ≤5 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 the GB/T 17626 Level IV test. -
Product Features
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
• Time synchronization 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
• Time synchronization 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
• Timing 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)SPTP-F:
• Number of interfaces: three Gigabit PTP ports, two of which are combo ports supporting hardware timestamping; one Gigabit management port.
• Synchronization accuracy: PTP single-hop time synchronization accuracy ≤ 10 ns RMS;
• Supports Sync-E output;
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 and TTL signal levels.
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Product Overview
The DNTS-8 series is a high-performance time server product 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‑8‑GB), and can also be configured with an optional single‑BeiDou module for exclusive use of BeiDou satellites (DNTS‑8‑B). In addition to satellite‑based timing, the series accommodates multiple terrestrial time‑source inputs, such as IRIG‑B code, NTP, PTP, 1PPS+ToD, and even manual time entry for local holdover. Priority among these diverse 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‑8 relies on its built-in temperature‑controlled crystal oscillator or rubidium atomic clock to maintain accurate timekeeping, continuously providing external time services. Thanks to its proprietary all‑digital phase‑locked loop technology and adaptive frequency‑locking algorithm, it achieves superior timekeeping stability and more precise time dissemination.
DNTS-8 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, electric power, transportation, industry, and national defense sectors.
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Product Features
| NTP user terminal synchronization accuracy | 0.03–2 ms (typical LAN value) |
| User capacity | Can support tens of thousands of clients. |
| NTP throughput | ≥2000 operations per second per network port |
| NTP Time Synchronization Log | 50 log entries stored |
| Timekeeping accuracy (24-hour average) | ≤5 ns (1 PPS interface, relative to the UTC‑NTSC master clock) |
| Time‑keeping stability (24‑hour standard deviation) | ≤5 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 the GB/T 17626 Level IV test. |
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Product Features
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
• Time synchronization 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
• Time synchronization 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
• Timing 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)SPTP-F:
• Number of interfaces: three Gigabit PTP ports, two of which are combo ports supporting hardware timestamping; one Gigabit management port.
• Synchronization accuracy: PTP single-hop time synchronization accuracy ≤ 10 ns RMS;
• Supports Sync-E output;
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 and TTL signal levels.
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Contact phone number:+86-10-62893032
After-sales phone number:+86-10-62130080
E-mail:support@neutrontek.com
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