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Studio Technology Releases Two New Dante-Enabled Leader Clocks

Model 5402 and updated Model 5401A designed to provide precise timing signals for Dante applications.
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Front and back panel views of the new Studio Technologies. Model 5402 Dante leader clock that also offers GNSS synchronization.

Studio Technologies has introduced two new (Audinate) Dante leader clocks for supporting the timing needs of Dante-compliant devices — the updated Model 5401A Dante and new Model 5402 Dante leader clocks, the latter also offering GNSS synchronization.

Both are designed to deliver precise timing signals for use in Dante audio-over-IP applications. The synchronization needs of Dante devices connected to a local area network (LAN) can be supported using the PTPv1 (IEEE 1588-2002) protocol. For Dante’s implementation of AES67 and ST2110, both models provide support for the PTPv2 (1588-2008) protocol.

“With Dante ubiquitous in fixed and mobile facilities of all sizes and types, a dedicated Leader Clock can enhance system performance,” says Gordon Kapes, president of Studio Technologies. “The new Model 5402 and updated Model 5401A are designed to provide optimum performance, flexibility and system integrity. Utilizing a dedicated Leader Clock can help make system deployment and maintenance a much easier task.”

The new Model 5401A Dante leader clock.

Both units can serve as the Dante leader clock for literally hundreds of Dante devices that can be simultaneously active on a LAN. Additional resources, including the their ability to generate sine-wave audio tones, adds to a range of benefits. Any required configuration can be performed using the webpage interface or by way of the graphics display and controls provided on the front panel. Ethernet connections are made using standard RJ45 jacks and redundant powering is supported by way of AC Mains and 12 volts DC inputs. The units mount in one-space of a standard 19-inch equipment rack.

“The Model 5401A builds on the strengths of the popular Model 5401 while offering significant improvements,” adds Kapes. “Specifically, we added a third ‘GigE’ Ethernet port to allow independent redundant Dante audio and management networks. In addition, we implemented firmware updating by way of a standard USB flash drive. This is a change from the previous method that used file transfer protocol (FTP), something that contemporary network security practices often restricts.”

The Model 5402 offers the capabilities of the Model 5401A with the additional timing precision provided by an integrated GNSS receiver. This allows the leader clock’s timing reference to be derived from the four major satellite constellations: GPS (US), Galileo (Europe), BeiDou (China) and GLONASS (Russia). In addition, GPS capability can be augmented with the unit’s support of the QZSS (Japan) constellation. With satellite-based timing capability, multiple Model 5402 units can be utilized at geographically diverse locations and provide a common synchronization source for all associated Dante devices. A high-performance, weather-resistant GNSS antenna is included with each Model 5402.

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