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Master Clocks

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A master clock is a precise clock that provides timing signals to synchronise slave clocks as part of a clock network.

We supply high-precision, multi-function master clocks that can act as an NTP server, PTP grandmaster, time code generator or frequency reference. When equipped with a GPS or GNSS receiver the GMR provides an accuracy ±15 ns to UTC. Base models include both NTP and SNTP client and server functionality compatible with IPv4/IPv6 networks and offer AES256 SSH encryption and MD5 authentication for secure communications.

Optional outputs include time code reader and generator (SMPTE, IRIG-B, IRIG-A, IRIG-E), PPO (programmable pulse output), 1PPS (pulse per second), 10 MHz sine wave input and output, and PTP (IEEE1588 Precision Time Protocol).

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Product name	Manufacturer	Form Factor
	Filter	Filter
	Masterclock	19" Rackmount	Filter	Filter
GMR5000 Master Clock 1U Rackmount Multifunctional Master Clock	Masterclock	19" Rackmount
GMR1000 Master Clock 1U Rackmount Multifunctional Master Clock	Masterclock	19" Rackmount

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Master Clocks

GMR5000 Master Clock

GMR1000 Master Clock

Master Clocks

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