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Studio Technologies 5401A User Manual

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Model 5401A
Dante® Leader Clock
User Guide
Issue 4, August 2021
This User Guide is applicable for serial numbers
M5401A-01001 and later with Main MCU Firmware 1.04 and later
and Dante Firmware version 1.2.0 and later
Copyright © 2021 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50701-0821, Issue 4

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Summary of Contents for Studio Technologies 5401A

  • Page 1 Issue 4, August 2021 This User Guide is applicable for serial numbers M5401A-01001 and later with Main MCU Firmware 1.04 and later and Dante Firmware version 1.2.0 and later Copyright © 2021 by Studio Technologies, Inc., all rights reserved studio-tech.com 50701-0821, Issue 4...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Appendix C–Dante Controller Network Default Configuration Values ........49 Appendix D–Front-Panel Menu Structure ................50 Appendix E–Model 5401A Default Configuration Values ............51 Appendix F–PTPv2 (IEEE® 1588-2008) Default Characteristics ...........52 Appendix G–Accessing the Unit when User Name and/or Password are Not Known ....53...

  • Page 4: Revision History

    Issue 2, July 2021: • Documents support for 176.4 and 192 kHz sample rates. • Miscellaneous corrections and clarifications. Issue 1, May 2021: • Initial release. Issue 4, August 2021 Model 5401A User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    USB flash drive. reference signals. Applications The Model 5401A is suitable for use in fixed and mo- Applications for the Model 5401A include broadcast bile broadcast facilities, post-production studios, com- and post-production facilities, college and university...
  • Page 6 While its standalone performance is excellent, the Dante “subscriptions”) between all Dante devices on Model 5401A can also be “locked” to a variety of ex- a network allows the audio tones to be used for a ternal signals for integration into facilities that include variety of purposes.
  • Page 7 Timing related features, networking capability. Again, the management Eth- such as allowing connection of a video bi- or tri- ernet port will be used to access the Model 5401A’s level sync signal is rarely, if ever, supported. And monitoring and configuration webpages.

  • Page 8: Installation

    4-pin XLR connector. A DC source can be used to power the Model 5401A as well as serv- A connected word clock signal must be a square ing as a backup power source should AC mains not wave with a rate that matches the Dante sample rate be present.
  • Page 9 A source of 10 MHz sine wave can be connected to configuration, monitoring, and maintenance of Model the Model 5401A’s sync input. This type of signal is 5401A operation. Refer to Figure 2 for an overview commonly used as a timing reference in industrial of the Model 5401A’s three Ethernet ports and how...
  • Page 10 Connecting Power Dante Port Connections The Model 5401A requires a source of AC mains or At least one 1000BASE-T (GigE) Ethernet connection nominal 12 volts DC for operation. Either source can is required for Model 5401A Dante operation. It should be connected with the same result.

  • Page 11: Dante Configuration

    Versions of Dante Controller are available to support several operating systems. Refer Network Configuration – Dante to Appendix C for a list of the Model 5401A’s Dante As has been covered previously in this guide, the Controller default configuration.
  • Page 12 Model 5401A DANTE LEADER CLOCK If Switched is selected then the Model 5401A can es- No matter what network mode has been selected the tablish one Dante audio connection with an Ethernet Model 5401A will always have a separate manage- network.

  • Page 13: Model 5401A Configuration

    Model 5401A DANTE LEADER CLOCK of these two parameters can be observed using the so the Model 5401A’s management port will first try to Clock Status function in Dante Controller. obtain an IP address using DHCP. If that is not suc- cessful an IP address will be assigned using the link- Settings accessible using the Model 5401A’s man-...
  • Page 14 Home Menu Once the Model 5401A menu system has been accessed the Home webpage will appear. It provides six dis- play-only fields along with a link to the Login menu webpage. The fields are similar to those provided in the Main menu configuration webpage.
  • Page 15 The user name and password, as well as the underlying software, is intended to keep “honest” people from making unauthorized changes to the configuration of the Model 5401A. It is not intended as a sophisticated, rigorous security system.
  • Page 16 Dante Controller application. far superior to that provided by other standard Dante The Model 5401A includes the choice of Dante as the devices. This is the correct choice if a high-quality main clock source only for trouble-shooting or other reference signal is not going to be connected to the factory-directed activities.
  • Page 17 Internal and Dante. clock, in most applications the unit should be serving in that role. By forcing the Model 5401A to be a Pre- This configuration choice selects which timing source ferred Leader clock it helps to ensure optimal Dante will be used should the Model 5401A’s selected main...
  • Page 18 BNC jack on the Model Displayed to the right of the MAC address will be an 5401A’s back panel and it is being used as the main additional piece of information about what specific clock source.
  • Page 19 The Model Ethernet connection has not been made to the RJ45 5401A can also act as a PTPv1 and PTPv2 clock fol- jack associated with that field’s Model 5401A’s Eth- lower but that would typically be utilized only for test ernet interface.
  • Page 20 The Sync Input menu has parameters that are related to the Model 5401A’s sync input. This allows an external source of timing to be connected to the Model 5401A by way of a BNC jack that is located on the unit’s back panel.
  • Page 21 This is not because a word clock ler software application. source is inherently better, but rather the recommen- dation is related to the Model 5401A’s circuit design. Type: This is a configurable field with three choices: The unit’s logic circuitry has to perform the least Word Clock, Video, or 10 MHz.
  • Page 22 DANTE LEADER CLOCK Tone Generator Menu The Model 5401A’s tone generator function is capable of creating eight precision sine wave tones with inde- pendent frequency and level configuration. The frequency range is 1 to 22000 hertz (Hz) and the level range is –99 to 0 dBFS.
  • Page 23 To save any changes made to the level or frequency fields requires that the Submit button be pressed. Changes will be made immediately after pressing the Submit button. Model 5401A User Guide Issue 4, August 2021 Studio Technologies, Inc. Page 23...
  • Page 24 Dante primary panel. Disabled will show if Dante redundancy has or Dante secondary RJ45 jack on the Model 5401A’s not been enabled in the Dante Controller applica- back panel. Link down will display if no connection tion.
  • Page 25 Model 5401A DANTE LEADER CLOCK with the RJ45 jack labeled PRI on the Model 5401A’s They will show either Link Down or a subnet mask back panel. Link Down will display if a valid Ethernet value. The subnet mask value will be displayed in connection has not been made to the Dante primary dot-decimal notation.
  • Page 26 Selecting the Automatic setting causes the Model out and the value cannot be revised. Whenever the 5401A to use the DHCP or, if DHCP is not available, IP address configuration is selected for Manual the the IPv4 link-local protocol to establish the IP ad- manual IP address can be modified as desired to meet dress for the Model 5401A’s management port.
  • Page 27 Management Interface requires that the Submit button be pressed. To utilize those changes requires that a Model 5401A reboot to take place. That can occur by using the system Reboot function on the system webpage or a selection on the front panel’s menus.
  • Page 28 The Model 5401A’s access security method is in no way rigorous. The user name and password are sent to and received from the Model 5401A as plain text. They are also stored within the Model 5401A as plain text. There is no security method or encryption associated with these fields. Anyone “snooping” on the LAN that is transporting Model 5401A management data will see all values in plain text.
  • Page 29 (restarted). One of the display-only fields shows the hardware serial number and the remaining five provide details about the firmware (embedded software) that is being actively utilized by the Model 5401A. Serial Number: This is a display-only field that shows Main MCU Firmware: This display-only field shows the Model 5401A’s hardware serial number.
  • Page 30 Studio Technologies as an identifier when be revised. (These changes can be made by way of a file is released that combines specific Model 5401A the Network menu choices or using the front-panel configuration information along with Dante operating display and buttons.)

  • Page 31: Operation

    Configuration menu webpages is a link called labeled AC and DC and can light green or red. When Log Out. It will cause the Model 5401A’s web server a source of AC mains power is connected the AC to end the session, logging out the user and returning LED will light green.
  • Page 32 Mb/s Ethernet connection is present and a link has the synchronization LED, labeled SYNC, will both light been established. red as the Model 5401A’s Dante interface starts to function and awaits connection and full operation with Switched+Mgmt Network Operation one or two local area networks (LANs). (Two networks PRI LED: The PRI LED will light red when no Ethernet are utilized only when Dante redundancy is enabled.)
  • Page 33 If the SYNC LED after the Model 5401A powers up or performs a reboot is lit solid orange then the Model 5401A is not acting (restart). Also, both the SYS and SYNC LEDs will flash as the PTPv1 Leader clock for the Dante network and red whenever the Model 5401A’s network configura-...
  • Page 34 RJ45 LED Indicators Redundant Network Mode Same as Switched. On the Model 5401A’s back panel there are three RJ45 jacks that are provided for interfacing with the Switched+Mgmt Network Mode unit’s three Ethernet ports. Two of the ports are typi-...
  • Page 35 This setting Current Management IP Address: This menu page has no impact on how the Model 5401A obtains IP will show the IP address associated with the Model addresses for the Dante primary and Dante secondary 5401A’s internal management web server.
  • Page 36 Selecting the Automatic setting causes the Model the Enter button to store them. 5401A to use DHCP or, if DHCP is not available, the IPv4 link-local protocol to establish the IP address To cause the Model 5401A to use a new setting re- for the management port.
  • Page 37 Enter button. The entry will then be stored. To cause configuration has been selected for Automatic this the Model 5401A to use a new setting requires that the field cannot be changed and a lock icon will show in unit be rebooted (restarted). This can be performed the upper-right corner of the display.
  • Page 38 Ethernet Switch Configuration: This menu page the Enter button to store them. shows the Model 5401A’s network configuration To cause the Model 5401A to use the new Dante as determined by a setting in the Dante Controller primary IP address setting requires that the unit’s application.

  • Page 39: Technical Notes

    Product Name & Serial Number: This menu page are to cancel or to confirm. Press the Enter pushbutton shows the name of the product (Model 5401A) and the switch to select the highlighted action. hardware serial number. The name and serial number,...
  • Page 40 If automatic assignment Redundant or Redundant+Mgmt mode is selected, of IP addresses is not desired each interface can then both the Model 5401A’s Dante primary and Dante be individually configured using Dante Controller to secondary Ethernet interfaces will provide indepen- use a manual (fixed or static) IP address and related dent PTPv2 server functionality.
  • Page 41 DSMC.bit, and the Sync FPGA firmware is nominal 12 volts DC. named CLOK.bit. 5. After a few seconds the Model 5401A will run a The update process begins by preparing a USB flash “boot loader” program that will automatically load drive.
  • Page 42 5401A will reboot (restart) using the newly saved to automatically query and, if required, update the firmware. Model 5401A’s Dante interface. 6. At this time the Model 5401A is functioning with the Restoring Model 5401A’s Default newly loaded firmware and the USB flash drive can Configuration Values be removed.

  • Page 43: Specifications

    (output) channels for general- Redundant, Switched+Mgmt, or Redundant+Mgmt, purpose use and a word clock synchronization output. selectable Clock Source: follows Model 5401A timing reference Precision Time Protocol (PTP) Support: PTPv1 configuration (IEEE 1588-2002) for Dante; PTPv2 (IEEE 1588-2008) for AES67-2018 Sample Rate: 44.1, 48, 88.2, 96, 176.4, or 192 kHz,...
  • Page 44 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. Issue 4, August 2021 Model 5401A User Guide Page 44 Studio Technologies, Inc.

  • Page 45: Appendix A-Compatible Sync Input Sources

    DANTE LEADER CLOCK Appendix A–Sync Input Sources The Model 5401A’s external sync input has been tested and confirmed for correct operation with the following signals: Word Clock: Square wave signal with rate of 44.1, 48, 88.2, 96, 176.4, and 192 kHz...

  • Page 46: Appendix B-Network Configuration Examples

    Model 5401A DANTE LEADER CLOCK Appendix B–Network Configuration Examples Issue 4, August 2021 Model 5401A User Guide Page 46 Studio Technologies, Inc.
  • Page 47 Model 5401A DANTE LEADER CLOCK Model 5401A User Guide Issue 4, August 2021 Studio Technologies, Inc. Page 47...
  • Page 48 Model 5401A DANTE LEADER CLOCK Issue 4, August 2021 Model 5401A User Guide Page 48 Studio Technologies, Inc.

  • Page 49: 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 Model 5401A User Guide Issue 4, August 2021 Studio Technologies, Inc. Page 49...

  • Page 50: Appendix D-Front-Panel Menu Structure

    Model 5401A DANTE LEADER CLOCK Appendix D–Front-Panel Menu Structure Issue 4, August 2021 Model 5401A User Guide Page 50 Studio Technologies, Inc.

  • Page 51: Appendix E-Model 5401A Default Configuration Values

    Model 5401A DANTE LEADER CLOCK Appendix E–Model 5401A Default Configuration Values Main Menu: Main Clock Source: Internal Failover Clock 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...

  • Page 52: Appendix F-Ptpv2 (Ieee® 1588-2008) Default Characteristics

    Appendix F–PTPv2 (IEEE® 1588-2008) Default Characteristics Notes: 1. For Model 5401A PTPv2 support to be active AES67 compatibility check box must be enabled in Dante Controller application. 2. These default configuration characteristics apply to both the Dante primary and Dante secondary Ethernet interfaces.

  • Page 53: Appendix G-Accessing The Unit When User Name And/Or Password Are 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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