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DTS 4150.grandmaster

The DTS 4150.grandmaster is an IEEE1588 compliant time distribution and synchronization device with up to 4 gigabit network ports (IPv4/IPv6). With its high-precision and intelligent concept for redundant operation, it offers a high degree of reliability and availability. The high performance DTS 4160.grandmaster can reply to more than 10'000 NTP and SNTP requests per second, which allows for the synchronization of several thousand clients.

DTS 4150.grandmaster is developed as a centralized system for airport applications, enterprise networks usually have a network consisting of a GPS synchronized main master clock, located in the main control room, and a number of sub-master clocks at various terminals. These master clocks then synchronize slave clocks and other IT systems in their environment, whereas the main master clock is connected with all sub-master clocks by means of the LAN/WAN and appropriate protocols (e.g. NTP/PTP).

DTS 4150.grandmaster is equipped with various transmission protocols for e.g NTP, PTP, SyncE & DCF77 (Current loop) passive output / 1PPS. To avoid time deviation between two DTS 4150.grandmasters, they can be linked via a fiber-optic connection by using two GBIC modules. Ideally, both grandmasters use GPS as primary time reference, but any time reference source can be chosen as primary time reference. The two grandmasters automatically negotiate their state as master or slave. The slave is synchronized by the master as soon as any better rated/prioritized source has a failure. Swap between master and slave state will occur automatic.  

  • PTP profiles supported are default E2E, P2P, utility (61850-9-3) & IEEE 802.1AS.
  • High degree of synchronization redundancy by connecting up to 4 time sources: GPS, Link, PTP, DCF
  • Supports NTP authentication for increased security, which allows the clients to verify the source of the received NTP packets.
  • Alarms are reported via SNMP messages, e-mails and alarm relay.

Technical Features

Oscillator type:

  • TCXO

Interfaces type

  • 100/1000MBit Ethernet / 1GBit SFP (Fiber)

Protocols type

  • PTP (IEEE 1588) / SyncE / NTP/ DCF

4 completely separated LAN ports (3x RJ45, 1x SFP):

  • Provides PTP on 3 ports 1- and 2-step master or slave
  • Different profiles and domains per port
  • Multicast/Unicast
  • IPv4/IPv6/Layer 2
  • Provides NTP on 4 ports (>10’000 requests/s on all 4 ports combined)

Multi-purpose device due to the different time code and frequency outputs:

  • 1x DCF current loop output

High degree of system redundancy by connecting two DTS 4150 via fiber optic link:

  • High availability
  • Master-Slave operation with automatic switch over in case of an error

High precision time:

  • Time reception from GPS, GLONASS or Beidou
  • GPS disciplined oscillator (GPSDO)

DTS4150.grandmaster prevent computers & isolated networks run their own wrong time. Highly accurate and reliable Network Time Server and Grandmaster for Automotive, Communications, Air Traffic Control, Data Center, Power, Industrial, Medical.


Technical datasheet