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Studio Technologies 5401A User Manual

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Model 5401A
Dante® Leader Clock
User Guide
Issue Preliminary 2, April 2021
This User Guide is applicable for serial numbers
M5401A-01001 and later with Main MCU firmware 1.02 and later
Copyright © 2021 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50701-0421, Issue Preliminary 2

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  • Page 1 User Guide Issue Preliminary 2, April 2021 This User Guide is applicable for serial numbers M5401A-01001 and later with Main MCU firmware 1.02 and later Copyright © 2021 by Studio Technologies, Inc., all rights reserved studio-tech.com 50701-0421, Issue Preliminary 2...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Appendix B–Sync Input Sources ........51 Appendix C–Dante Controller Network Default Configuration Values ............52 Appendix D–Menu Structure ........53 Appendix E–Screen Captures ........54 Appendix F–Model 5401A’s Default Configuration Values ................58 Appendix G–PTP v2 (IEEE-1588-2008) Characteristics ..............59 Appendix H–Accessing the Unit when the User Name and/or Password is Not Known ....

  • Page 4: Revision History

    Revision History Issue Preliminary 2, April 2021: • Minor corrections and clarifications. Issue Preliminary 1, April 2021: • Initial preliminary release. Issue Preliminary 2, April 2021 Model 5401A User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    Ethernet network connections be easily performed using a standard USB are required for full operation. Using Dante’s flash drive. Figure 1. Model 5401A Dante Leader Clock front and back views Model 5401A User Guide Issue Preliminary 2, April 2021 Studio Technologies, Inc.
  • Page 6 Model stadiums, and corporate installations — 5401A can also be “locked” to a variety of virtually any application where substantial external signals for integration into facili- numbers of Dante-compatible devices are ties that include a central or main timing utilized.
  • Page 7 Many Dante devices utilize the 2- or timing source is divided and processed by 4-channel Ultimo™ ULT or UXT integrated the Model 5401A’s logic circuitry to create circuits to implement Dante connectivity. the highly stable word clock output. This While Ultimo devices will fully support Dante...
  • Page 8 Dante’s redundant networking capability. Future Capabilities Again, the management Ethernet port will be The Model 5401A was designed so that its used to access the Model 5401A’s monitoring capabilities can be enhanced in the future. and configuration webpages. Using either A USB connector, located on the unit’s back...

  • Page 9: Installation

    4-pin XLR connector. The DC source mentations. Two ports are provided for can be used to power the Model 5401A as interconnections with one or two local area well as serving as a backup power source networks (LAN) associated with Dante au- should AC mains be disconnected.
  • Page 10 Redundant+Mgmt Dante Primary and Management Dante Secondary Disabled Figure 2. Model 5401A Ethernet Port Configuration and Operation Switched, Redundant, Switched+Mgmt, or utilized. It’s difficult to conceive of a network Redundant+Mgmt. If configured for either environment that the unit wouldn’t be able the Switched or Redundant modes the to effectively support.
  • Page 11 A word clock output signal is provided for use by other devices that want to be “timed” Sync Input from the Model 5401A. Available by way of a An external synchronization source can be BNC receptacle located on the back panel, connected to the Model 5401A’s sync input...
  • Page 12 Connecting Power device. Safety considerations require The Model 5401A requires a source of AC that the plug and associated inlet be mains or nominal 12 volts DC for operation. easily accessible to allow rapid discon-...

  • Page 13: Dante Configuration

    24-bit pulse-code documentation, also available from Audinate, modulation (PCM) samples. Clocking- and for details on which Model 5401A and relat- latency-related parameters can be adjusted ed parameters may have to be configured. if required in Dante Controller but the default values are typically correct.
  • Page 14 Dante primary Ethernet port will Redundant+Mgmt. also be used to access the management webpages. The Model 5401A’s separate If Switched is selected then the Model 5401A management port will be disabled. can establish one Dante audio connection with an Ethernet network. It doesn’t matter...

  • Page 15: Model 5401A Configuration

    (output) channels will use multi- cast. The sample rate will be fixed at 48 kHz. Management IP Address It’s easy to identify the Model 5401A’s active Preferred Clock Source management IP address. With the unit pow- By the very nature of its intended applica-...
  • Page 16 The Dante sync status field will the password will display in this field. display the role that the Model 5401A is ac- tively playing as a timing source for the de- Log In Button vices connected to the associated network.
  • Page 17 Model If the network configuration in Dante 5401A is using it as its timing reference. If Controller for this specific Model 5401A Dante is displayed this indicates that the has been selected for Redundant or...
  • Page 18 Dante devices. This is the indicates that a signal may be connected to correct choice if a high-quality external ref- the Model 5401A’s sync input but is not be- erence signal is not going to be connected. ing recognized as a valid timing reference.
  • Page 19 And losing the external reference or synchronize to another Dante device on is what the Model 5401A’s circuitry will do the network. The clock source the Model should Dante be selected as the failure 5401A’s Dante interface uses will depend...
  • Page 20 Sync to External in Dante Controller to be input is locked to the connected signal. If this on (checked) as long as the Model 5401A is is a word clock signal then one of the four acting as Primary Leader, Leader, or AES67 compatible rates will be displayed.
  • Page 21 5401A’s sync input is serving as the Leader confusing as to who is supposed to control timing reference. If the clock source configu- the sample rate and who is supposed to ration on the Main menu has been selected follow the sample rate! The Dante Control- for External this is the desired condition.
  • Page 22 Off and On. is capable of creating eight precision sine- waves tones with independent frequency If desired, the Model 5401A can apply a and level configuration. The frequency range terminating impedance to the sync input is 1 to 22000 hertz (Hz) and the level range connection.
  • Page 23 A Submit button is located at the bottom primary or the Dante secondary RJ45 con- of the Level (dBFS) column on the Tone nections on the Model 5401A’s back panel. Generator menu webpage. To save any If the network configuration is selected for...
  • Page 24 The term “Switch” refers to an ports on the same LAN will typically “crash” Ethernet switching and routing integrated the network! circuit that is part of the Model 5401A’s hardware. How this integrated circuit is Secondary IP Address configured determines the how the Model This is a display-only field that shows the IP 5401A’s three GigE Ethernet ports will func-...
  • Page 25 IP address and related network parameters with another piece of networked equipment. were obtained by way of DHCP then this But having both of the Model 5401A’s RJ45 field will display an IPv4 gateway IP address connections routed to ports on the same in dot-decimal notation.
  • Page 26 Selecting the Automatic setting causes the restoring the Model 5401A’s default configu- Model 5401A to use the DHCP or, if DHCP ration values will not change the currently is not available, the IPv4 link-local protocol selected IP address configuration choice.
  • Page 27 The Reboot function is available on the sys- Submit tem webpage and the front panel. Restoring the Model 5401A to its default values will not The Submit button is located at the bottom change the stored manual IP address. of the Management Interface area of the Network menu webpage.
  • Page 28 15 Model 5401A. These are display only and characters, and is case sensitive. All 95 of will include a date if that is specified as part the printable ASCII characters can be used.
  • Page 29 5401A’s synchronization board FPGA (field- The Restore Default Settings function allows programmable-gate-array) firmware. This many of the Model 5401A’s default configu- firmware, with a file name of CLOK.bit, can ration settings to be restored. However, it be updated using a USB flash drive. Update...

  • Page 30: Operation

    Dante deployment and is used as part of the Upon application of AC mains or DC power, Dante subscription (channel routing) pro- the Model 5401A will go through a power- cess. The name can be changed from within up sequence. The eight bi-color LEDs on the Dante Controller application.
  • Page 31 9 volts the red when no Ethernet connection is pres- DC LED will not light and the Model 5401A ent on the Dante primary Ethernet port. It will no longer operate from the DC source.
  • Page 32 SYNC LED is lit solid orange then the Model The MGMT LED will never light, no matter 5401A is not acting as the Leader clock and whether or not an Ethernet signal has been its failover mode is active. The SYNC LED connected to the management port.
  • Page 33 External Lock LED cific network configuration. An LED, labeled SYNC IN, is associated Switched Network Mode with the status of the Model 5401A’s ex- ternal synchronization input. If the unit has Dante PRI RJ45 LEDs: been configured to not utilize an external...
  • Page 34 They relate to the timing of the associated the status of the external sync input as it Dante network, the Model 5401A’s internal is used by the Model 5401A as its timing timing, and parameters related to the exter- reference. The possibilities are Locked, nal sync input.
  • Page 35 This menu page allows the display and revi- protocol or, if a DHCP server is not available, sion of the method that the Model 5401A will using the IPv4 link-local protocol. (An IP ad- use to obtain a management IP address and dress that has the format of 169.254.x.x was...
  • Page 36 Selecting the Automatic setting causes the Whenever the IP address configuration is Model 5401A to use DHCP or, if DHCP is selected for Manual the manual IP address not available, the IPv4 link-local protocol to can be modified as desired. This will be...
  • Page 37 If the active press the enter button to store it. method is not the desired one, press the To cause the Model 5401A to use a new enter pushbutton switch located on the front subnet mask value requires that the unit be panel.
  • Page 38 Dante primary IP address will be associated parameters. with the RJ45 connector labeled PRI on the Model 5401A’s back panel. To cause the Model 5401A to use a revised Dante primary IP address configuration Whenever the IP address configuration method requires that the unit’s Dante inter- is selected for Manual the manual Dante face be rebooted (restarted).
  • Page 39 Dante menu. To start the process enter button to store it. of rebooting the Dante interface press the To instruct the Model 5401A to use the new enter pushbutton on the unit’s front panel. Dante subnet mask value requires that the This will lead to a confirmation page being unit’s Dante interface be rebooted (restart-...
  • Page 40 This menu page allows the Model 5401A to be rebooted (restarted). This can be use- Main MCU Firmware Version ful to force the Model 5401A to utilize all This menu page shows the version number revised management and Dante interface of the Model 5401A’s Main MCU firmware.

  • Page 41: Technical Notes

    When the screen saver mode is active details as specified in the SMPTE ST2059-2 pressing the enter pushbutton switch on profile.) The Model 5401A will provide sup- the front panel will cause it to stop and the port for PTPv2 if the AES67 mode has been current management IP address menu page enabled in the Dante Controller application.
  • Page 42 A menu structure diagram is available utilized, secondary Ethernet interfaces. An- in Appendix D of this guide. It’s also avail- other means is to utilize the Model 5401A’s able as a separate document on the Studio network configuration webpage to directly Technologies website.
  • Page 43 While the firmware file inside of the zip Model 5401A’s management webpages. file will adhere to the naming convention required by the Model 5401A, the name of Model 5401A Firmware Update the zip file itself will include the file’s ver- sion number.
  • Page 44 Dante Controller the newly saved firmware. software application. The Dante Controller 6. At this time the Model 5401A is function- application is available, free of charge, from ing with the newly loaded firmware and the Audinate website (audinate.com).
  • Page 45 This can be offset in a positive way by returning the Model 5401A to a known configuration, a point that might aid in troubleshooting an issue. Refer to Appendix F for a list of the default values.

  • Page 46: Specifications

    Specifications Ethernet Interface Configuration: Switched, Redundant, Switched+Mgmt, or Redundant+Mgmt, selectable Applications: Clock Source: follows overall Model 5401A configu- High-performance Leader clock for Dante audio- ration over-IP applications. Also supports AES67-2018 applications. In addition, provides audio reference Sample Rate: 44.1, 48, 88.2, or 96 kHz, selectable...
  • Page 47 Mounting: one space (1U) in a standard 19-inch rack Weight: 3.0 pounds (1.4 kg) Specifications and information contained in this User Guide subject to change without notice. Model 5401A User Guide Issue Preliminary 2, April 2021 Studio Technologies, Inc. Page 47...

  • Page 48: Appendix A-Network Configuration Examples

    Appendix A–Network Configuration Examples Issue Preliminary 2, April 2021 Model 5401A User Guide Page 48 Studio Technologies, Inc.
  • Page 49 Model 5401A User Guide Issue Preliminary 2, April 2021 Studio Technologies, Inc. Page 49...
  • Page 50 Issue Preliminary 2, April 2021 Model 5401A User Guide Page 50 Studio Technologies, Inc.

  • Page 51: Appendix B-Sync Input Sources

    Appendix B–Sync Input Sources The Model 5401A’s sync input has been tested and confirmed for correct operation with the following sync signals: Word Clock: Square wave signal with rate of 44.1, 48, 88.2, or 96 kHz 10 MHz: Sine wave signal with an amplitude of 1 Vrms, nominal, terminated with 50 ohms...

  • Page 52: Appendix C-Dante Controller Network Default Configuration Values

    Network Config, Addresses: Obtain an IP Address Automatically (default) AES67 Config, AES67 Mode, Current: Disabled Leader Clock, Preferred Leader: Enabled Leader Clock, Enable Sync to External: Enabled Issue Preliminary 2, April 2021 Model 5401A User Guide Page 52 Studio Technologies, Inc.

  • Page 53: Appendix D-Menu Structure

    Appendix D–Menu Structure Model 5401A User Guide Issue Preliminary 2, April 2021 Studio Technologies, Inc. Page 53...

  • Page 54: Appendix E-Screen Captures

    Appendix E–Screen Captures Issue Preliminary 2, April 2021 Model 5401A User Guide Page 54 Studio Technologies, Inc.
  • Page 55 Model 5401A User Guide Issue Preliminary 2, April 2021 Studio Technologies, Inc. Page 55...
  • Page 56 Issue Preliminary 2, April 2021 Model 5401A User Guide Page 56 Studio Technologies, Inc.
  • Page 57 Model 5401A User Guide Issue Preliminary 2, April 2021 Studio Technologies, Inc. Page 57...

  • Page 58: Appendix F-Model 5401A's Default Configuration Values

    Appendix F–Model 5401A’s Default Configuration Values Main Menu: Clock Source: Internal Failover Source: Dante Force Preferred Leader: Enabled Sync Input Menu: Type: Word Clock Termination: On Tone Generator Menu: Tone 1: Frequency 100 Hz, Level –21 dBFS Tone 2: Frequency 200 Hz, Level –22 dBFS Tone 3: Frequency 300 Hz, Level –23 dBFS...

  • Page 59: Appendix G-Ptp V2 (Ieee-1588-2008) Characteristics

    Appendix G–PTP v2 (IEEE-1588-2008) Characteristics Note: For Model 5401A PTP v2 support to be active AES67 Compatibility check box must be enabled in Dante Controller software application. Domain: 0 Priority 1: 114 Clock Class: 248 Accuracy: Unknown (0xFE) Variance: 61536...

  • Page 60: Appendix H-Accessing The Unit When The User Name And/Or Password Is Not Known

    3. While continuing to hold the two buttons apply AC Mains or 12 volts DC power. 4. Continue to hold the two buttons and allow the Model 5401A to start. The Status LEDs on the front panel will first light green then light red in their start-up sequence.

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