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NTS-5000: NTP/PTP IEEE1588 Network Time Server
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NTS-5000: NTP/PTP IEEE1588 Network Time Server

The NTS-5000 (RUBIDIUM & OCXO) and NTS-5000LITE (OCXO only). The difference between these 2 products is RUBIDIUM quantum oscillator only. If you are interested just in NTS-5000LITE please simply disregard RUBIDIUM oscillator option when reading below specification. NTS-5000 (NTS-5000LITE) deliver TIME directly to std. x2 (max. x10) LAN network using NTP PTPv2 IEEE1588. It is equipped with 2 independent NIC (std.) 10/100Mbps. This can be extended to x10 LAN GE interfaces (SFP, RJ45 using additional NIC cards). Each NIC has own IP stack. NIC cards are 100% isolated using internal analogue synchronisation.


Server is equipped with 2 independent GNSS receiver inputs (ANT1 & 2) can support independent satellite receivers too. Built-in RUBIDIUM (NTS-5000LITE OCXO only) oscillator guarantees time for long period of missing GNSS signals. Both ANT1/ANT2 interfaces can be switched to output mode emulating GNSS NMEA signals with PPSout. Server can be synchronized to external clocks using 1PPS, IRIG-B inputs, rs232 (ToD). It also provides ref. output time via 1PPS, IRIG-B, rs232, 10MHz, RS232(SYSPLEX,IRIG).

NTS-5000 is STRATUM-1, PTP/IEEE1588 GRANDMASTER supporting hardware stamps. It offers accuracy better than 15ns. Server supports leap second, synchronizes UTC monotonously (jump-free) and can simultaneously serve upto100,000 NTP clients. Firmware basis on FreeBSD UNIX. Server uptime is counted in years of 24/7 working.

Technical Specification

  • Model NTS-5000: Modular Time Server (2U)
  • Holdover Rubidium: yes (only std. NTS-5000)
  • Holdover OCXO: yes (NTS-5000/NTS-5000LITE)
  • NTP: RFC5905, RFC1305, RFC5906 RFC5907, RFC5908, RFC5909
  • SNTP: RFC4330, RFC2030, RFC1769
  • PTP: IEEE1588:2008 hardware PHY
  • IRIG-B IN & OUT: AM (BNC 50 Ohm)
    Digital (rs232)
  • Frequency Input: 1PPS (BNC 50 Ohm)
  • Output: 1PPS, 10MHz (BNC 50 Ohm)
  • TIME/DAYTIME: RFC(867-8) extra feature*
  • #LAN: 2x (max. 10x)
  • Speed LAN1-LAN2: 100/10Mbps (RJ45)
  • Speed LAN3-10: 1GE (SFP/RJ45)
  • Performance LAN: 1mln req/minute
  • TCP/IP: IPv4, IPv6, TCP, UDP
    SNMP v2 V3, RADIUS
  • SECURITY: Autokey, DSA, SSL, MD5, RSA
  • SYSLOG: yes
  • Accuracy GNSS: Better than15ns
  • Accuracy LAN1-LAN2: Better than 10us
  • LAN3-LAN10: Better than 200ns
  • Interface GNSS: 2x (RJ45 rs485) w/PPS
  • Std. Support: GPS, GLONASS
  • Extra Support: GALILLEO* BEIDOU*
  • #SBAS: yes (EGNOS, WAAS)
  • #1FREQ: 1575.42MHz (L1 GPS)
  • #2FREQ: 1598.06-1605.38MHz
  • #CHANNELS: 32-170
  • Max Distance: 0.7km[2300ft] UTP cat5
  • Max Distance: 1.4km[4500ft] STP cat5
  • Interface rs232: 2x (D-SUB9)
  • Interface USB 2.0: 2x (firmware support)
  • Size RACK”19: 1U (484x300x44,4mm)
  • Weight Nett: 5kG (6kG BRUTTO)
  • Box Size: 520x380x250
  • Operating Temp: 0C+50C
  • Storage Temp: -40C+85C
  • %Humidity: up to 95%
  • Std. Power: IEC/EN 60320-1 110-230VAC max.55W