Studio Technologies Model 5401A DANTE Leader Clock for Dante Audio-over-IP & AES67 Applications

ITEM #: STCH-M5401A MFG #: M5401A

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    M5401A - Overview

    The Studio Technologies Model 5401A is suitable for use in fixed and mobile broadcast facilities, post-production studios, commercial and educational theater environments, and entertainment applications. Only power and one, two, or three Ethernet network connections are required for full operation. Using Dante's inherent capabilities two Model 5401A units can serve in primary and secondary Leader clock roles for redundant operation.

    The unit's three Gigabit Ethernet ("GigE") network interfaces can be configured for use in a range of network implementations. For high-performance applications two of the interfaces can support Dante redundancy operation while the third is used for accessing the management webpages. To meet the latest interoperability standard the Model 5401A's Dante implementation supports AES67-2018. The unit also supports the Dante Domain Manager™ (DDM) software application.

    An integrated web server allows fast and flexible monitoring and configuration of the unit's networking, clocking, and Dante performance. Front-panel indicators, an LCD display, and pushbutton switches provide users with direct access to key operating parameters.

    The Model 5401A can be powered by 100-240 V, 50/60 Hz mains or a source of 12 volts DC. Both can be simultaneously connected to provide redundant operation. The lightweight enclosure mounts in one space (1U) of a standard 19-inch rack. Industry-standard connectors are used for Ethernet, DC power, and AC mains interconnections.

    Applications
    Applications for the Model 5401A include broadcast and post-production facilities, college and university audio networks, arenas, stadiums, and corporate installations -- virtually any application where substantial numbers of Dante-compatible devices are utilized. The Model 5401A will serve as a stable and consistent Leader clock for the entire Dante "network." And, as expected, the Model 5401A is compatible with all Dante devices, no matter what their primary function or manufacturer.

    Why a Dedicated Dante Leader Clock?
    With Dante ubiquitous in fixed and mobile facilities of all sizes and types, the need arose for a cost-effective, purpose-designed, dedicated Leader clock. While an inherent strength of Dante networking is its carefully implemented use of IEEE 1588 to ensure that all connected devices maintain a common timing reference, the actual performance can vary widely depending on the specific Dante devices in use and the overall number of devices on a network.

    Timing Sources
    The Model 5401A can provide excellent Leader clock performance using its accurate and stable internal oscillator, which is temperature-stabillized and exceeds the capability of standard Dante devices by at least an order of magnitude. While its standalone performance is excellent, the Model 5401A can also be "locked" to a variety of external signals for integration into facilities that include a central or main timing reference. Compatible signals include word clock, video reference, and 10 MHz.

    Word clock is a square wave signal that is often used as a timing reference in audio-only facilities. Several word clock rates, including 48 and 96 kHz, are compatible with the Model 5401A's sync input. Video reference ("sync") signals are found in most broadcast and post-production facilities. The Model 5401A supports the most-common video format/rate combinations including "black burst," bi- and tri-level HD, and several that are specifically intended for 4K applications.
    Word Clock Output
    The Model 5401A generates a precise word clock output signal that can be used as a timing reference for related equipment. It's specifically intended for "locking" digital audio devices in applications that use the Model 5401A to provide timing reference signals for the associated Dante equipment. In this way, all devices in an installation will share a common timing reference.

    The word clock output rate can be selected to be 44.1, 48, 88.2, or 96 kHz. The underlying timing source for the word clock output is derived from the Model 5401A's main timing source. As previously reviewed, the internal oscillator, if desired, can be "locked" to an external source. The main timing source is divided and processed by the Model 5401A's logic circuitry to create the highly stable word clock output. This ensures that the word clock output is synchronized with the unit's PTP server functionality.

    • Features:

      • Dedicated Leader clock for Dante audio-over-IP and AES67 applications
      • High-performance IEEE 1588 PTP v1 and v2 servers
      • Internal temperature-stabilized frequency reference
      • Compatible with external word clock, video sync, and 10 MHz sources
      • Word clock output with selectable rates
      • Eight configurable audio tone signals
      • Three Gigabit Ethernet interfaces support independent Dante and management networks
      • Webpage management and USB flash drive software updating
      • AC mains and 12 volts DC powering
      • Lightweight enclosure, single rack-space (1U) mounting
       
    • Specifications:

      • Timing Reference:
      • Source: internal time base, external sync input, or via an existing Dante network, selectable

        Internal Time Base:
      • Type: 24.576 MHz temperature-stabilized crystal oscillator
      • Initial Accuracy: 1 ppm (parts-per-million)
      • Long-Term Accuracy: 1 ppm (parts-per-million) per year
      • Temperature Stability: ±280 ppb (parts-per-billion), 0-50 degrees C

        Sync Input:
      • Compatible Sources: word clock, bi-level video, tri-level video, 10 MHz
      • Termination: 50 ohms (10 MHz), 75 ohms (word clock or video), or high Z (unterminated), selectable
      • Word Clock Compatibility: square wave, 5 Vpp nominal unloaded, 44.1, 48, 88.2, or 96 kHz
      • Video Signal Compatibility: bi- or tri-level, 1 Vpp nominal into 75 ohm load
      • 10 MHz Signal Compatibility: sine wave, 3 Vpp nominal into 50 ohm load

        Word Clock Output:
      • Type: square wave
      • Rate: 44.1, 48, 88.2, or 96 kHz, selectable
      • Source Impedance: 75 ohms
      • Amplitude: 5 Vpp, unterminated; 2.5 Vpp, externally terminated with 75 ohms
      • Jitter: 0.01 UI (using internal oscillator)

        Network Audio Technology:
      • Type: Dante audio-over-IP
      • AES67-2018 Support: yes
      • Dante Domain ManagerT (DDM) Support: yes
      • Ethernet Interface Configuration: Switched, Redundant, Switched+Mgmt, or Redundant+Mgmt, selectable
      • Clock Source: follows overall Model 5401A configuration
      • Sample Rate: 44.1, 48, 88.2, or 96 kHz, selectable
      • Bit Depth: 24
      • Number of Dante Transmitter (Output) Channels: 8
      • Number of Dante Flows: 32 transmitter

        Audio Reference Signals:
      • Type: continuous sine-wave signals on Dante transmitter (output) channels
      • Number of Channels: 8
      • Frequency: 1 Hz to 22 kHz, individually configurable in 1-Hz steps
      • Amplitude: 0 to -99 dBFS, individually configurable in 1-dB steps
      • Distortion (THD+N): <0.0001% (<-121 dB), measured at 1 kHz, -1 dBFS

        Network Interfaces:
      • Qty: 3. Primary Dante, Secondary Dante, and Management
      • Type: 1000BASE-T, Gigabit Ethernet ("GigE") per IEEE 802.3ab (100 Mb/s supported but not recommended for optimal performance; 10 Mb/s not supported)
      • Ethernet Connection NIC Status LEDs: one link and one activity for each Ethernet interface

      • Front-Panel Display: backlit LCD
      • Front-Panel LEDs: 8, dual-color. Functions: provides indication of condition of incoming AC and DC power, status of three Ethernet interfaces, status of Dante connectivity, and status of sync input
      • Software Updating: USB flash drive supports updating of main and FPGA firmware (embedded software); Dante interface updated via Ethernet interface

        Power Sources:
      • AC Mains: 100 to 240 V, 50/60 Hz, 5 W maximum
      • DC: 10 to 18 V, 0.5 A max

        Connectors:
      • Sync Input, Word Clock Output: BNC receptacle, per IEC 61169-8 Annex A
      • Ethernet: 3, RJ45 receptacle
      • USB: type A receptacle (used only for updating firmware)
      • DC Input: 4-pin male XLR (pin 1 negative, pin 4 positive)
      • AC Mains Input: 3-blade, IEC 320 C14-compatible (mates with C13)

        Environmental:
      • Operating Temperature: 0 to 50 degrees C (32 to 122 degrees F)
      • Storage Temperature: -40 to 70 degrees C (-40 to 158 degrees F)
      • Humidity: 5 to 95%, non-condensing
      • Altitude: not characterized

        Dimensions (Overall):
      • 19.00 inches wide (48.3 cm)
      • 1.72 inches high (4.4 cm)
      • 7.9 inches deep (20.1 cm)
      • Mounting: one space (1U) in a standard 19-inch rack
      • Weight: 3.0 pounds (1.4 kg)
       
    • Item Includes:

      • 1x Studio Technologies Model 5401A Dante Leader Clock for Dante Audio-over-IP and AES67 Applications
       

    M5401A - Required Accessories

      California Residents:
      WARNING:
      Cancer and Reproductive Harm - www.P65Warnings.ca.gov