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GMR5000 Master Clock


Overview

1U Rackmount Multifunctional Master Clock

The GMR5000 is a master clock that can reference a variety of timing sources and provide a range of outputs including NTP, PTP, SMPTE, and IRIG-B.  

The internal modular design allows the unit to be factory-configured per the user’s requirements.

The base model includes both NTP server and client functionality compatible with IPv4/IPv6 networks and offers AES 256 Secure-Socket-Host SSH encryption for secure communications.

The device can act as a IEEE1588v2 PTP grandmaster or slave clock, time code generator, NENA time server, frequency generator and more. Additionally, an OCXO or Rubidium oscillator is avaialble as an option to enhance holdover stability to minimise timing drift. 

Technical

Standard Inputs
  • NTP client via RJ45 10/100 Mb Ethernet (dual-port)
  • NMEA 0183 via RS232/422 or USB
  • NENA format 0,1,8 via RS232/422 or USB
  • Internal high-stability TCXO oscillator ± 3 sec./year
  • Configuration via USB or Ethernet

Standard Outputs
  • NTP server via RJ45 10/100 Mb Ethernet (dual-port)
  • NMEA 0183 via RS232/422 or USB
  • NENA format 0,1,8 via RS232/422 or USB
  • Kinemetrics/Truetime serial protocol
  • 5V at 100mA Pulse Per Second (PPS)

General
  • Size: 18.9w x 1.750h x 5.174d in (48w x 4.445h x 13.14d cm)
  • Weight: 2.6 lb (1.2 kg)
  • Temperature: 0 to 60°C
  • 13-Digit display (Date/Time or Day of year/Time)
  • Programmable relay closure - one event per day with NO/NC dry contact relay
  • Relay alerts loss of sync by default
  • WinDiscovery configuration software included
  • Fully configurable offsets for time zone and DST
  • Telnet/SSH communication
  • IPv4/IPv6 compatible
  • SNMP with custom MIB
  • FCC, CE Marked, ROHS, ANSI

Specifications

FEATURES


Standard Inputs

  • NTP client via RJ45 10/100 Mb Ethernet (dual-port)
  • NMEA 0183 via RS232/422 or USB
  • NENA format 0,1,8 via RS232/422 or USB
  • Internal high-stability TCXO oscillator ± 3 sec./year
  • Configuration via USB or Ethernet
 

Input Options

  • GPS or GPS/GLONASS receiver
  • Time codes: IRIG-B0 (DCLS), IRIG-B1 (AM),SMPTE 12M, 309M, 24/25/30 fps and 29.97 drop frame
  • High-Stability Oscillator Options:
    • Internal high-stability OCXO oscillator ± 0.25 sec/year
    • Rubidium Oscilator ±1 mS/year
  • Synchronizing pulses: PPS (second), PPM (minute), PPH (hour)
  • 10 MHZ Input (CMOS or Sinusoidal)
  • VITC input
  • Optical Fiber LAN
  • IEEE 1588 Precision Time Protocol
 

Power, Physical Dimensions, Operating Parameters

  • Universal AC input
  • Size: 18.9w x 1.750h x 5.174d in (48w x 4.445h x 13.14d cm)
  • Weight: 2.6 lb (1.2 kg)
  • Temperature: 0 to 60°C
  • Humidity: Up to 90% (non-condensing)
  • Available with 1RU rack mount
 

Standard Outputs

  • NTP server via RJ45 10/100 Mb Ethernet (dual-port)
  • NMEA 0183 via RS232/422 or USB
  • NENA format 0,1,8 via RS232/422 or USB
  • Kinemetrics/Truetime serial protocol
  • 5V at 100mA Pulse Per Second (PPS)
 

Output Options

  • Time codes: IRIG-B0 (DCLS), IRIG-B1 (AM), SMPTE 12M, 309M, 24/25/30 fps NDF and 29.97 drop frame
  • 5V at 100mA Programmable Pulse Output (PPO)
  • Optical Fiber LAN
  • 10 MHZ Output (Sinusoidal)
  • IEEE 1588 Precision Time Protocol
 

Other Features

  • 13-Digit display (Date/Time or Day of year/Time)
  • Programmable relay closure - one event per day with NO/NC dry contact relay
  • Relay alerts loss of sync by default
  • WinDiscovery configuration software included
  • Fully configurable offsets for time zone and DST
  • Telnet/SSH communication
  • IPv4/IPv6 compatible
  • SNMP with custom MIB
 

Compliance

  • FCC, CE Marked, ROHS, ANSI

Technical documents

Ordering information

There are a range of options available. Please contact Sarsen to discuss your project requirements. 

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