NTP Time Server - NTS IT

NTP Time Server - NTS IT

NTS IT is a compact and powerful NTP time server with a very good costperformance ratio. The NTS IT guarantees maximum operating safety for the time synchronization of IT systems.


It can be used nearly anywhere to synchronize IT systems, data centers, servers, computers, and fire alarm systems over NTP. Especially in audio and video surveillance the NTS IT finds application. The NTS IT can be synchronized by another time server via NTP. Alternatively, it can take over the time from GPS (from a GNSS 4500 receiver). The commissioning and operation are easy and can be done via the terminal menu or web interface.

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Oscillator type:XO
1 LAN port (RJ45):provides NTP (< 250 requests/s)
Outputs:1x DCF current loop output
High precision time:Time reception from GPS
Operation:via Web-Interface
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NTS IT synchronized by a public NTP server:


NTS IT is synchronized by a GNSS receiver and with the public fallback NTP server:



IP configIPv4: static IP; IPv6: DHCPv6, autoconfig, static IP
Power supplyExternal mains supply incl. in delivery 100 - 240 VAC / 50-60 Hz / max. 12 W or 24 - 28 VDC / 200 mA
AccuracyGPS (DCF input) to NTP server = typically < ± 0.5 ms
OperationTelnet or SSH, web interface or operation via SNMP
Time-keepingRTC with time keeping for min. 5 days (without battery)
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Network Time Server NTS IT


GNSS stands for Global Navigation Satellite System, and is an umbrella term that encompasses all global satellite positioning systems. This includes several constellations of satellites orbiting over the earth’s surface and continuously transmitting signals providing an autonomous geo-spatial positioning with global coverage.

The GPS constellation (developed and controlled by the USA) is still the most widely used GNSS in the world but major countries have now developed their own constellation: Glonass (Russia), Beidou (China), and Galileo (Europe) with improved accuracy

GNSS is used in collaboration with GPS systems where all GNSS receivers are compatible with GPS, but GPS receivers are not necessarily compatible with GNSS.

A GPS receiver has been designed to receive the GPS constellation only (24 satellites) when GNSS-compatible equipment can use navigational satellites from other networks (each network is controlling between 24 and 30 satellites). It is therefore recommended to use GNSS receivers for positioning and timing applications.