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Sonifex DHY-04 Handbook

Digital tbu. single freestanding automatic digital tbu, aes/ebu & analogue i/o with ethernet. single rackmount automatic digital tbu, aes/ebu & analogue i/o with ethernet. twin rackmount automatic digital tbu, aes/ebu & analogue i/o with ethernet
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DHY-04 Digital TBU
DHY-04
Single Freestanding Automatic Digital TBU, AES/EBU &
Analogue I/O With Ethernet
DHY-04S
Single Rackmount Automatic Digital TBU, AES/EBU &
Analogue I/O With Ethernet
DHY-04T
Twin Rackmount Automatic Digital TBU, AES/EBU &
Analogue I/O With Ethernet
Manufacturers of audio & video
products for radio & TV broadcasters

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Summary of Contents for Sonifex DHY-04

  • Page 1 DHY-04 Digital TBU DHY-04 Single Freestanding Automatic Digital TBU, AES/EBU & Analogue I/O With Ethernet DHY-04S Single Rackmount Automatic Digital TBU, AES/EBU & Analogue I/O With Ethernet DHY-04T Twin Rackmount Automatic Digital TBU, AES/EBU & Analogue I/O With Ethernet Manufacturers of audio & video...
  • Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor. Sonifex Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.

  • Page 3: Table Of Contents

    Using the Conference Port to Share a Stereo Digital Audio DHY-04S Single Rackmount Automatic Digital TBU Connection Between Two DHY-04 Units DHY-04T Twin Rackmount Automatic Digital TBU 4 Hybrid Technical Description 2 Configuration & Controls - DHY-04, DHY-04S, DHY-04T Electrical Interface Front Panel Controls Impedance Matching Power LED Indicator...
  • Page 4 Contents Dial Ringer Equivalence Number Dialler Page Accessory Ports Call State Conditions Dial Series Connection Configuration - Telephone Facilities Country Code Statutory Mark Appendix 1 - Telephone Registers Disconnect Settings AC Impedance Setting Answer Control Buttons Configuration - Telephone Details Configuration-Remote Input Port Output Port...
  • Page 5 Figures Figures Table 8-1: Telephone Interface Register 16. Table 8-2: Telephone Interface Register 17. Figure 1-1: DHY-04 Front & Rear. Table 8-3: Telephone Interface Register 18. Figure 1-2: DHY-04S Front & Rear. Table 8-4: Telephone Interface Register 22. Figure 1-3: DHY-04T Front & Rear.
  • Page 6 Serial No: can increase your product warranty to 2 years and we can also keep you informed of any product design improvements or modifications. To register your product, please go online to www.sonifex.co.uk/register Sonifex Limited 61 Station Road Irthlingborough Northamptonshire...

  • Page 7: Product Warranty - 2 Year Extended

    ‘the Contract’ means the quotation, these Conditions of Sale and any other document incorporated in a contract between the Company and the As standard, Sonifex products are supplied with a 1 year back to base Purchaser. warranty. In order to register the date of purchase and so that we can keep...

  • Page 8: Unpacking Your Product

    Warranty the defect has not arisen from a design made, furnished or At the request and expense of the Purchaser the Company will test specified by the Purchaser; the Goods to ascertain performance levels and provide a report of the results of that test. The report will be accurate at the time of the vii.

  • Page 9: Repairs & Returns

    Please note that all products are either switchable between 115V and 230V, Repairs & Returns or have a universal power supply. Please contact Sonifex or your supplier if you have any problems with your Fuse Rating Sonifex product. Email technical.support@sonifex.co.uk for the repair/ upgrade/returns procedure, or for support &...

  • Page 10: Weee Directive

    All products manufactured by Sonifex Ltd have the WEEE directive label Connect the equipment in accordance with the connection details and placed on the case. Sonifex Ltd will be happy to give you information about before applying power to the unit, check that the machine has the correct local organisations that can reprocess the product when it reaches its “end...

  • Page 11: What Is A Telephone Hybrid

    • 70dB typical line balance rejection offering superb performance and crystal clear audio. The DHY-04 telephone hybrid is an enhanced redesign of the DHY-03, the • Front panel input and output gain controls. best performing telephone hybrid in the world. It now has auto-sensing •...

  • Page 12: Dhy-04 Single Freestanding Automatic Digital Tbu

    • International operation with built-in configurable settings for each • Balanced mic/line input - 10k balanced input selectable for 0dBu clean country. feed line, or microphone level with adjustable gain. DHY-04 Single Freestanding Automatic Digital TBU Figure 1-1: DHY-04 Front & Rear.

  • Page 13: Available Formats

    Available Formats recording both sides of the telephone conversation. The DHY-04 digital telephone hybrids are available in three different • Line limiter, bandpass filter and output noise gate with preset threshold providing low distortion audio.

  • Page 14: Configuration & Controls - Dhy-04, Dhy-04S, Dhy-04T

    AES/EBU signal, i.e. a valid AES signal is present. The LED is red for Reset Button a non-valid AES/EBU input. In the unlikely event that the DHY-04 unit fails to respond, press the reset Line Hold/Connect Button button to reboot the unit.

  • Page 15: Gain Switches (Level To & From The Line)

    The LED display is also used to indicate special operating modes and other settings as follows: • Alternating 2 LEDs on, 2 LEDs off pattern indicates that the DHY-04 is checking the status of the Line Connect Button to test the Bootstrap Mode (see page 36) •...

  • Page 16: Rear Panel Controls & Connections

    This is an RJ45 analogue audio connector to cross connect to another using the front panel ‘Level to The Line’ switch. DHY-04. This will allow a single TBU channel on a mixing desk to handle 2 calls, one to each DHY-04. Alternatively the conference output signals can...

  • Page 17: Telephone Handset

    The serial port allows direct connection to a 9 way ‘D’ type connector on a There is a converter lead supplied with the DHY-04 for accepting a standard PC via a pin to pin cable. See chapter 5 for details about this interface.

  • Page 18: Ethernet Port

    Pin 8: Pin 4: N/C Pin 9: The SETTINGS switches are used to configure the DHY-04 in the modes that you want it to operate. A label on the top panel of the unit shows the Pin 5: Ground orientation of the switches: Ethernet Port The following paragraphs describe the function of each switch;...

  • Page 19: Country Code Selection

    The correct country code selection is essential for proper operation of the answers incoming calls after the number of rings set using the webserver DHY-04 unit. It ensures that all telephone approval parameters are met (see page 24, Configuration - Telephone). The default is 2 rings.
  • Page 20 Configuration & Controls - DHY-04, DHY-04S, DHY-04T Country Code Tone Disconnect Type Frequencies Disconnect Details DIPSwitch Set On Power Up ETSI – TBR21 400Hz Continuous Argentina 400Hz * Continuous Australia 400Hz * Continuous Austria 400Hz * Continuous Bahrain 400Hz *...
  • Page 21 Configuration & Controls - DHY-04, DHY-04S, DHY-04T Country Code Tone Disconnect Type Frequencies Disconnect Details DIPSwitch Set On Power Up Japan 2 Line Reverse 5+6+7 Japan like Maple Line Reverse 1+3+4+6+7 Japan like China Line Reverse 2+3+4+6+7 Jordan 400Hz *...

  • Page 22: Table 2-1: Supported Disconnect Tone Details By Country

    Configuration & Controls - DHY-04, DHY-04S, DHY-04T Country Code Tone Disconnect Type Frequencies Disconnect Details DIPSwitch Set On Power Up Spain 400Hz * Continuous 1+2+3+4+5+6 Sweden 400Hz * Continuous Switzerland 400Hz * Continuous Syria 400Hz * Continuous Taiwan 400Hz *...

  • Page 23: Iec Mains

    DHY-04, with the mic/line input select switch set to “Line”. A clean- feed is a signal produced by a telco module on a mixer which is used as the Handset output to be fed back to a caller on a telephone line.

  • Page 24: Using The Aes/Ebu Input & Output

    First Use automatically disconnect the handset when the unit handles the calls. Before using the DHY-04 you should ensure that it is connected as figure 3-1 Incoming calls can be answered manually from the line connect button, or and that the unit is setup for the correct line conditions.

  • Page 25: Call Established

    LED) with occasional peak signal levels illuminating showing +6db (first red ringing detector. The DHY-04 has a built in ring detector that is enabled by LED). If your mixing desk or source audio is only sent at consumer level then J1 should be fitted on the PCB (See page 5 for details of this) setting SW4 on the rear panel.

  • Page 26: Using The Conference Port As A Record Output

    Connecting the DHY-04 TBU can signal this to remote equipment and the DHY-04 supports the 3 most The conference port cable simple cross-connects the Conference Input common methods: (Phase and Non-Phase) signals to the Conference Output (Phase and Non- Phase) signals respectively. It is available as an accessory, DHY-04CONF.

  • Page 27: Hybrid Technical Description

    Updating Firmware hybrid, which will mean that the echo response to any signal will be modi- The preferable method of communicating with the DHY-04 is to use the fied according to the frequency and level of that signal. By impedance Webserver embedded within the DHY-04 Firmware.
  • Page 28 IP address of 192.168.0.100. Select the firmware file to be uploaded – a link to our website is shown to fetch the latest version of code – and then press update. The DHY-04 will reboot when the file transfer is complete.

  • Page 29: Serial Port Control

    Error Messages SCI Software ERR:01 - Command Not Found Sonifex provide free of charge software, SCI, to allow you to manage ERR:02 - Invalid Command (Error Unknown) connection and control of all aspects of the serial port interface. Go to...

  • Page 30: Webserver & Network Discovery

    To connect via Bonjour Name in a Bonjour enabled device enter the name MDNS-SD and Bonjour in the browser address bar. The default name is the device ID ‘DHY-04’, a Bonjour is an application created by Apple and is integral to Apple operating hyphen character ‘-‘...

  • Page 31: Figure 6-1: Bonjour Service Discovery Page

    Webserver Figure 6-1: Bonjour Service Discovery Page. Figure 6-2: Legacy Service Discovery Page.

  • Page 32: Home Page

    Webserver Whilst calls are in progress you can also use this page to send DTMF audio data to the caller. The Home Page can be protected by setting a password for Level 1 Access. If this is set and the appropriate password has not been submitted, then the default becomes the Device Info page.

  • Page 33: Dialler Page

    – including smartphones/ tablets that are connected by WiFi via an access point to the DHY-04. This page shows the easy dialler screen and call state of the connected DHY-04. Call State Shows the status of the telephone line. Dial...

  • Page 34: Configuration - Telephone

    Webserver Configuration - Telephone The unit configuration is shown as 3 pages – selected from a drop-down in the Config menu. Normally the Show Full Info box is unchecked and the Country Code and Disconnect Settings only show the appropriate drop- down selection.

  • Page 35: Buttons

    The auto-answer function is enabled by DIPSwitch 4. Buttons The Copy to User buttons copy the current telephone or disconnect set to the User Set on the DHY-04 unit where they can be edited. The Submit button saves the selection changes to the DHY-04 and the Reload button retrieves the current set from the DHY-04 unit, losing any changes made locally.

  • Page 36: Configuration-Remote

    Webserver Configuration-Remote The second Configuration page sets up the User GPI & GPO pins on the remote port, plus allows the unit to reflect through to the serial port any received DTMF characters from the remote caller. The DTMF detect features will be disabled when sending DTMF strings from the home page option.

  • Page 37: Output Port

    Webserver Output Port If you select DTMF Detect/Toggle then set a the DTMF Detect String to a Select the functions of the GPO port either as a specific info about ring or character or string for detection. call connection or to output the state of the DTMF detection circuit. Finally the serial port can be made to reflect any DTMF signals directly as Remote Off - remote GPO has no function.

  • Page 38: Configuration-Misc

    Conference - Conference Port allows 2 x DHY-04 units to share a single Mixer Telco channel. Figure 6-8: Misc Configuration – extra settings for DHY-04 – accessed via Config Menu drop-down. Record - Conference Port outputs the caller for recording purposes.

  • Page 39: Force Analogue Output

    Webserver Digital Share Master - Allows 2 x DHY-04 units to share a digital audio connection by connecting the right hand channel of the digital audio input and output data to the Conference Port. Digital Share Slave - Retrieves the incoming audio and presents outgoing audio to the Conference Port.

  • Page 40: Password Setting

    Webserver Password Setting The Password Setting Page allows you to restrict access to certain pages on the Webserver. Setting Level 1 password protects access to the Home and Dialler Pages, and if the level 2 password is not set it will also restrict access to those pages protected by the level 2 password.

  • Page 41: Network Settings

    Bonjour for automatic connection regardless of the IP address assigned. Note: Submitting new network settings can cause the browser to lose connection. the DHY-04 will attempt to re-connect to the device and most browsers will eventually do this. The process is speeded up by...

  • Page 42: Static Subnet Mask

    IP address entered on this page. To transfer the new network settings to the connected DHY-04, press the Submit button. This may require a restart by Internet Explorer and, if the device is being accessed by a direct IP address, you will probably have to enter the new IP address in the address bar.

  • Page 43: Device Info Page

    Webserver Device Info Page The Device Info page is self-explanatory as it shows info about the device. Figure 6-11: Device Info Page – shows info about the DHY-04 device.

  • Page 44: Update Firmware Page

    The file must be named according to the following Figure 6-12: Updates Page – to update the system firmware and load/save configuration files. convention “DHY-04” followed by any version or other info then a “.DWN” suffix - e.g “Dhy-04 v2_07 special release.dwn”.

  • Page 45: Update Config Files

    To Load a Config Set, select a file and press Load Config and the options from the config file will be loaded onto the DHY-04 unit. Just press Save Config to create a file named DHY04.ini in the download directory of the browser.

  • Page 46: Log In

    Webserver Log In Enter the 5 digit case-sensitive alphanumeric password to allow access to protected pages. This password should match either the level 1 or level 2 passwords setup in the Password Setting Page. Once a correct password has been entered access to the appropriate screens will be enabled, until the user selects the Log Out menu or the unit is inactive for the Automatic Log Out Time set in the Password Setting Page.

  • Page 47: Bootstrap Mode

    The unit will default to DHCP and AutoIP enabled, in which case use the Sonifex Service Discovery App or chack with the administrator of the DHCP server to discover the device IP address.

  • Page 48: Technical Specification

    Technical Specification 7 Technical Specification Audio Specification Analogue Audio I/O Input Impedance - Line Mode (Clean Feed): Input Impedance - Conferencing: Input Impedance - Microphone Mode: Input Level Gain Range: +6dB, 0dB, and -6dB adjusted by 3-position front panel switch, +10dB jumper Microphone Level Gain Preset: From 65dB to 35dB Maximum Input Levels:...
  • Page 49 Power Supply Power to DHY-04, S & T Universal 12W power supply: 90 to 250V AC; 47-63Hz; fused 1A * These values are dependent on the actual country setting selected on the DHY-04 Connections Mic/Line/AES-EBU Input: XLR 3 pin female, with push-button mic/line selection...

  • Page 50: Approvals Information

    *Depth is measured from the front to the end of the connectors fitted to the back of the unit. Approvals Information Approval File Reference SON: TJF 25 Sonifex is a BABT approved manufacturing facility with a license to build telecommunications equipment and all telecom products are compliant Functions with BS6301, BS7002, BS415 and CTR21. The following product description The DHY-04 Telephone Balance Unit is suitable for connection to B.T.

  • Page 51: Specified Systems

    Specified Systems Facilities The DHY-04 is suitable for connection to any exchange line forming part of a This apparatus has been approved for use as a telephone hybrid unit (four Public Switched Telephone Network, PSTN, or a Relevant Branch system for wire to two wire converter) and for use with a series connected simple PSTN lines or any extension.

  • Page 52: Appendix 1 - Telephone Registers

    Appendix 1 - Telephone Registers Appendix 1 - Telephone Registers Telephone Interface Register 22 - parameters 31,56,81,106,131,156,181 Telephone Interface Register 16 Name RDLY1 RDLY0 Name IIRE Function Ring Delay Bits (add value in Ring Assertion Function On Hook Filter type Ringer Ring Thresh- 0 &...

  • Page 53: Ac Impedance Setting

    Appendix 1 - Telephone Registers Telephone Interface Register 24 - parameters AC Impedance Setting 33,58,83,108,133,158,183 ACIM Value Simple Resistance Series Complex Impedance Name RNGV 600 O Function Ring Validation Ring Assertion Time 900 O Value 128 = Enabled 0-63 in 2ms units (0-126 ms) 270 O 750 O || 150 nF Table 8-8: Telephone Interface Register 24.
  • Page 54 Appendix 1 - Telephone Registers Telephone Interface Register 31 - parameters 36,61,86,111,136,161,186 Name FULL OHS2 FILT LVFD Function Full Scale Fast Off On Hook -3dBFS Line Mode Hook Filter Pole Voltage Speed2 Select Force Disable Value 128=Full 0=512ms; 96=8ms 0=<0.5ms; 0= @ 5Hz;...
  • Page 55 Notes...
  • Page 56 . s o n i f e x . c o . u k t:+44 (0)1933 650 700 f:+44 (0)1933 650 726 sales@sonifex.co.uk...

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