Rubidium Time Server

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GS5620B Rubidium Time Server

The GS5620B rubidium time server is a high-precision dual redundant time synchronization device specifically designed for complex environments, including ground-based, shelter-mounted, vehicle-mounted, and shipboard applications. It can simultaneously receive multiple external reference sources (including four reference receivers, two data processors, and two PTP inputs) to perform time and frequency calibration of the internal rubidium atomic clocks.

The device employs a dual-redundant architecture, featuring two rubidium atomic clocks serving as backups for each other, two redundant power supplies, and dual-redundant outputs including six frequency signals, twelve 1PPS signals, six serial time codes, and one DC B-code output. Two internal systems operate seamlessly with automatic switchover, ensuring continuous output signals. The device also incorporates a self-diagnostic function, capable of providing status information either actively or upon request.

The chassis is constructed from high-standard anti-corrosion aluminum alloy, and all connectors comply with the 5991 standard, ensuring reliable operation under harsh conditions such as salt spray, fungus, rain, vibration, humidity, and high altitude.

Application areas

 

 

Designed to serve as a vehicle-mounted time synchronization device, as well as a ground-based time sync server;

Suitable for use in various complex outdoor environments;

Time synchronization for civil defense, finance, transportation, broadcasting, railways, and aerospace, etc.;

• The dual rubidium clock, dual power supply, and dual redundancy signal link design achieve true dual backup and high reliability;

• Serving as a redundant power supply time server, it supports both AC and DC power inputs, with AC prioritized when both are present;

• Dual power switches, dual control systems, both systems can work simultaneously or each system can work separately without interference;

• Seamless switching technology is adopted to achieve seamless switching between time source and output signal, with continuous phase before and after switching and no phase jump;

• It supports receiving GPS and BeiDou-2 parsed signals or satellite signals to perform frequency and time calibration of the internal rubidium clock;

• Supports external 10MHz frequency standard signal input , and can replace the internal rubidium clock;

• The device supports multiple time synchronization outputs: 12-channel 1PPS, 6-channel serial time code, and 1-channel B(DC) time code. It is also capable of operating as a PTP time source, delivering 2 PTP outputs;

• It outputs 6 channels of high-precision 10MHz frequency standard signals for terminal frequency calibration;

• Intuitive OLED screen display and user-friendly button design;

• Supports operation as a PTP IEEE 1588 server, with master/slave mode configuration.;

• Available to effectively prevent mis-mating;

• The chassis uses a high-standard rust-proof aluminum frame and a standard circuit board design. It also uses 5991 standard connectors. It can meet the requirements of various complex environments such as salt spray, mold, rain, vibration, humid heat, and high altitude;

• The components have a wide temperature range, and the equipment has a wide operating temperature range (-40℃ to + 55℃).

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