Studio Technologies 545DC User Manual
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Studio Technologies 545DC User Manual

Intercom interface
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Model 545DC
Intercom Interface
User Guide
Issue 1, June 2022
This User Guide is applicable for serial numbers
M545DC-00151 and later with Application Firmware 1.00 and later
and STcontroller application version 3.08.00 and later.
Copyright © 2022 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50727-0622, Issue 1

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Summary of Contents for Studio Technologies 545DC

  • Page 1 Issue 1, June 2022 This User Guide is applicable for serial numbers M545DC-00151 and later with Application Firmware 1.00 and later and STcontroller application version 3.08.00 and later. Copyright © 2022 by Studio Technologies, Inc., all rights reserved studio-tech.com 50727-0622, Issue 1...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Table of Contents Revision History ..........................4 Introduction............................5 Getting Started ..........................8 Dante Configuration .......................... 12 Model 545DC Configuration ......................14 Operation............................16 Technical Notes ..........................21 Specifications ............................ 25 Appendix A–STcontroller Default Configuration Values ..............27 Appendix B– Graphical Description of the Installation Kit for Panel-Cutout or Surface-Mounting Use (Order Code RMBK-10) ......................

  • Page 4: Revision History

    Model 545DC INTERCOM INTERFACE Revision History Issue 1, June 2022: • Initial release. Issue 1, June 2022 Model 545DC User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    Clear-Com RS-501 and RS-701 devices. A Model with automatic nulling action provide good separation 545DC can also connect to one or two existing pow- of send and receive audio with high return loss and ered and terminated single-channel analog party-line excellent audio quality.
  • Page 6 Model 545DC Interfaces. On each end, a Model ® is used to interconnect with a standard twisted-pair 545DC is connected to one or two PL circuits as well Ethernet port associated with a local-area network as to the Dante network. The Dante Controller soft- (LAN).
  • Page 7 Dante Controller application. This makes it simple a party-line interface. At the time of installation and to select the way in which a Model 545DC fits into a setup the meters are invaluable in helping to confirm specific application.

  • Page 8: Getting Started

    Model 545DC INTERCOM INTERFACE audio path. A Model 545DC unit at the “far end” will “field tough.” It can be used as a standalone portable detect the “call” audio tone and regenerate it as a DC unit, supporting what’s known in the broadcast world voltage on the party-line intercom audio path.
  • Page 9 (when Locating the Model 545DC viewed from the front) of the Model 545DC’s enclo- Where to locate a Model 545DC will depend on being sure. Orient the standard-length bracket such that its able to access the associated party-line circuits or front is parallel to the Model 545DC’s front panel.
  • Page 10 The screws will mate with the threaded fasten- enclosure, use a #2 Phillips screwdriver and two ers that can be seen on the side of the Model 545DC’s 6-32 machine screws to attach the standard-length enclosure, near the front of the unit. Using two more...
  • Page 11 An external source of 12 volts DC can be connected com circuit it will act, from an audio standpoint, similar to the Model 545DC by way of a 4-pin male XLR to that of a standard party-line intercom user device.

  • Page 12: Dante Configuration

    3. When a 2-channel circuit or device is connected integrated circuit is limited to two. These can either be to a Model 545DC, only the device’s channel 2 will unicast, multicast, or a combination of the two. If the be active;...
  • Page 13 Ethernet network. To implement this appli- Address cation is very simple. The From Party-Line Channel A By default, the Model 545DC’s Dante IP address and channel on each unit would be routed (subscribed) to related network parameters will be determined auto- the To Party-Line Channel A channel on the other unit.

  • Page 14: Model 545Dc Configuration

    If required, download and install STcontroller onto a designated personal computer. This personal computer must be on the same local area network (LAN) and subnet as the one or more Model 545DC units that are to be configured. Immediately after starting STcontroller the application will locate all the Studio Technologies’...
  • Page 15 System – Call Light Support using a 3-pin XLR connector with common on pin 1, DC power on pin 2, and audio pin 3. The Model 545DC Choices are Off and On. can provide a compatible PL circuit when its local In STcontroller, the Call Light Support configuration power source is enabled.

  • Page 16: Operation

    (timing reference) is being received. It will slowly flash source will power the unit. Should PoE subsequently green when this specific Model 545DC unit is part of a no longer be available operation will continue using Dante network and is serving as the Leader clock. (It’s the external 12 volts DC source.
  • Page 17 Model 545DC and level may be prudent. Typical operation with normal associated party-line user devices.
  • Page 18 One mode is used when the Model 545DC mately 100 ohms (two sources, each 200 ohms, con- is required to create a party-line intercom circuit, nected in parallel) which would cause a major issue.
  • Page 19 200 ohms terminating impedance on XLR Note that a setting in the STcontroller application pin 3. In this mode, the Model 545DC is intended to can disable the requirement that a current draw of be connected to an externally powered party-line cir- 5 mA (nominal) or greater on pin 2 of a party-line cuit.
  • Page 20 Dante receiver (input) and Dante transmitter (output) panel, are provided to activate the auto null functions, audio signal paths. If the Model 545DC is providing one for each channel. Virtual (“soft”) buttons in the power on the party-line interface, this is followed by a...

  • Page 21: Technical Notes

    (added) to any audio that is pres- com Interface unit and support inter-unit call light ent. The Model 545DC detects when a call light signal activity. This enables call-light compatibility between is active by monitoring the audio path for the presence single-channel DC-enabled call lights and 2-channel of a DC voltage.
  • Page 22 This method is very useful for (Dynamic Host Configuration Protocol). If a DHCP a number of reasons. It allows two Model 545DC units server is not detected an IP address will automatically that are interconnected in a point-to-point manner to be assigned using the link-local protocol.
  • Page 23 For best Dante audio-over-Ethernet performance a but must be in the personal-computer-standard FAT32 network that supports VoIP QoS capability is recom- format. The USB interface in the Model 545DC is mended. In applications that utilize multicast Ether- compatible with USB 2.0-, USB 3.0-, and USB net traffic enabling IGMP snooping can be valuable.
  • Page 24 Audinate’s product library database. The latter allows the Dante Updater software application that is 4. After a few seconds the Model 545DC will run a included with Dante Controller to automatically query “boot loader” program that will automatically load and, if required, update the Model 545DC’s Dante...

  • Page 25: Specifications

    158 degrees F) such as those offered by Clear-Com ® Humidity: 0 to 95%, non-condensing Power Source, XLR Pin 2: 28 volts DC, 150 mA Altitude: not characterized maximum Model 545DC User Guide Issue 1, June 2022 Studio Technologies, Inc. Page 25...
  • Page 26 (1U) of a standard 19-inch rack RMBK-13 allows one unit to be mounted in the center of one space (1U) of a standard 19-inch rack DC Power Supply Option: Studio Technologies’ PS-DC-02 (100-240 V, 50/60 Hz, input; 12 volts DC, 1.5 A, output), purchased separately Specifications and information contained in this User Guide subject to change without notice.

  • Page 27: Appendix A-Stcontroller Default Configuration Values

    Model 545DC INTERCOM INTERFACE Appendix A–STcontroller Default Configuration Values System – Call Light Support: On System – PL Active Detection: On Model 545DC User Guide Issue 1, June 2022 Studio Technologies, Inc. Page 27...

  • Page 28: Appendix B- Graphical Description Of The Installation Kit For Panel-Cutout Or Surface-Mounting Use (Order Code Rmbk-10)

    Appendix B–Graphical Description of the Installation Kit for Panel Cutout or Surface-Mounting Use (Order Code: RMBK-10) This installation kit is used for mounting one Model 545DC unit into a panel cutout or flat surface. Issue 1, June 2022 Model 545DC User Guide Page 28 Studio Technologies, Inc.

  • Page 29: Appendix C-Graphical Description Of Left- Or Right-Side Rack-Mount Installation Kit For One "1/2- Rack" Unit (Order Code Rmbk-11)

    Installation Kit for One “1/2-Rack” Unit (Order Code: RMBK-11) This installation kit is used for mounting one Model 545DC unit into one space (1U) of a 19-inch equipment rack. Unit will be located on the left- or right-side of the 1U opening.

  • Page 30: Appendix D-Graphical Description Of Rack-Mount Installation Kit For Two "1/2- Rack" Units (Order Code Rmbk-12)

    Two “1/2-Rack” Units (Order Code: RMBK-12) This installation kit can be used to mount two Model 545DC units or one Model 545DC unit and another product that is compatible with the RMBK-12 (such as the Studio Technologies’ Model 5421 Dante Intercom Audio Engine) into one space (1U) of a 19-inch equipment rack.

  • Page 31: Appendix E-Graphical Description Of Center Rack-Mount Installation Kit For One "1/2- Rack" Unit (Order Code Rmbk-13)

    One “1/2-Rack” Unit (Order Code: RMBK-13) This installation kit is used for mounting one Model 545DC unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Model 545DC User Guide Issue 1, June 2022 Studio Technologies, Inc.

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