Sonifex DHY-04 Page 3 Handbook Download

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Contents

Product Warranty - 2 Year Extended

Sonifex Warranty & Liability Terms & Conditions

1. Definitions

2. Warranty

Unpacking Your Product

Repairs & Returns

iii

Conformity iii

Conformity

iii

ACMA Conformity

iii

Safety & Installation of Mains Operated Equipment

iii

Voltage Setting Checks

iii

Fuse Rating

iii

Power Cable & Connection

iii

WEEE Directive

Atmosphere/Environment iv

1 What Is A Telephone Hybrid?

The Best Telephone Hybrid in the World Just

Got Better!

DHY-04 Single Freestanding Automatic Digital TBU

Available Formats

DHY-04S Single Rackmount Automatic Digital TBU

DHY-04T Twin Rackmount Automatic Digital TBU

2 Configuration & Controls - DHY-04, DHY-04S, DHY-04T

Front Panel Controls

Power LED Indicator

Reset Button

Speed Dial Buttons

AES/EBU Lock LED

Line Hold/Connect Button

Gain Switches (Level To & From The Line)

LED Bargraphs

Status & Operating Mode Information

DHY-04 Internal Controls & Adjustments

Jumper and Select Switcher Functions

Rear Panel Controls & Connections

AES/EBU & Analogue Combined Line Output

Mic/Line & AES/EBU Input

Mic/Line Input Select Switch

Adjusting the Microphone Gain Level

Remotes

Conference Audio/Record Output

Telephone Handset

Telephone Line

RJ11 Telephone Connections

RS232 Serial Port

Ethernet Port

Mains Input

Protective Earth Terminal

Configuration Settings DIPSwitches

Country Code Selection

IEC Mains

Telephone Line

Handset

Remote Line Hold

Mic/Line Input

XLR Output

Using The AES/EBU Input & Output

Using the DHY-04

Call Established

Using the Conference Port as a Record Output

Using the Conference Port to Share a Stereo Digital Audio
Connection Between Two DHY-04 Units

4 Hybrid Technical Description

Electrical Interface

Impedance Matching

Echo Cancellation

5 Serial Port Control

DHY-04 Serial Connection

SCI Software

Serial Interface Commands & Responses

Error Messages

6 Webserver & Network Discovery

Connecting to the Device

First Time Usage

MDNS-SD and Bonjour

Sonifex Service Discovery App

Home Page

Status

Line

Summary of Contents for DHY-04

Page 1: ...BOOK DHY 04 Digital TBU DHY 04 DHY 04S DHY 04T 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 ...

Page 2: ...o 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 No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording information storage and retrieva...

Page 3: ...r and Select Switcher Functions 5 Rear Panel Controls Connections 6 AES EBU Analogue Combined Line Output 6 Mic Line AES EBU Input 6 Mic Line Input Select Switch 6 Adjusting the Microphone Gain Level 6 Remotes 6 Conference Audio Record Output 6 Telephone Handset 7 Telephone Line 7 RJ11 Telephone Connections 7 RS232 Serial Port 7 Ethernet Port 8 Mains Input 8 Protective Earth Terminal 8 Configurati...

Page 4: ...fs 29 Password Setting 30 Network Settings 31 Bonjour Name 31 Static IP Address 31 Static Subnet Mask 32 Gateway IP Address 32 Dynamic Addressing 32 Device Info Page 33 Update Firmware Page 34 Update Firmware 34 Update Config Files 35 Log In 36 Bootstrap Mode 37 7 Technical Specification 38 Approvals Information 40 Manufacturer 40 Equipment Type 40 Approval File Reference 40 Functions 40 Specified...

Page 5: ...c Configuration 28 Figure 6 9 Password Setting Page 30 Figure 6 10 Network Page 31 Figure 6 11 Device Info Page 33 Figure 6 12 Updates Page 34 Figure 6 13 Log In Page 36 Figure 6 14 Bootstrap Page 37 Table 8 1 Telephone Interface Register 16 42 Table 8 2 Telephone Interface Register 17 42 Table 8 3 Telephone Interface Register 18 42 Table 8 4 Telephone Interface Register 22 42 Table 8 5 Telephone ...

Page 6: ...ternet www sonifex co uk Register Online for an Extended 2 Year Warranty As standard Sonifex products are supplied with a 1 year back to base warranty If you register the product online you 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 Produc...

Page 7: ...n registered at the Sonifex website when the Warranty Term is 24 months from the date of despatch the Contract means the quotation these Conditions of Sale and any other document incorporated in a contract between the Company and the Purchaser This is the entire Contract between the parties relating to the subject matter hereof and may not be changed or terminated except in writing in accordance w...

Page 8: ...uest and expense of the Purchaser the Company will test 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 test to the best of the belief and knowledge of the Company and the Company accepts no liability in respect of its accuracy beyond that set out in Condition a f Subject to Condition e no representation cond...

Page 9: ... user serviceable parts inside the equipment If you should ever need to look inside the unit always disconnect the mains supply before removing the equipment covers The cover is connected to earth by means of the fixing screws It is essential to maintain this earth ground connection to ensure a safe operating environment and provide electromagnetic shielding Voltage Setting Checks Ensure that the ...

Page 10: ...03 along with the related Directive 2002 95 EC on Restrictions of the use of certain Hazardous Substances in electrical and electronic equipment RoHS The Waste Electrical and Electronic Equipment Directive WEEE aims to minimise the impacts of electrical and electronic equipment on the environment during their life times and when they become waste All products manufactured by Sonifex Ltd have the W...

Page 11: ...features of the unit include Auto sensing combined analogue or AES EBU XLR input AES EBU sample rates up to 24 bit 96kHz accepted Configurable analogue or AES EBU XLR output Ethernet port for remote configuration via web browser GUI Remote dialling and line hold control via Ethernet DTMF dial tone recognition for reporter remote access a journalist can dial into the unit which can recognise a pre ...

Page 12: ...ew International operation with built in configurable settings for each country Country selection allows the unit to provide line impedance and a simulation circuit to match the country RS232 serial port for remote control of the TBU DTMF tone dialling Remote port distributes the remote line connect switch and tally output a momentary latch selector and the DTMF detect output The remote line conne...

Page 13: ...ding low distortion audio Built in universal power supply between 90V AC and 250V AC 47 63Hz IEC mains input ETSI approval compliant with European PTT specifications Available Formats The DHY 04 digital telephone hybrids are available in three different DHY 04 Single automatic digital telephone hybrid free standing DHY 04S Single automatic digital telephone hybrid rackmount DHY 04T Twin automatic ...

Page 14: ...eed Dial Buttons Press the appropriate button to call Speed Dial settings 1 4 Press and hold buttons 1 3 to call Speed Dial numbers 5 7 or press and hold Speed Dial 4 to redial the last number The numbers are configured using the embedded webserver AES EBU Lock LED This is a red green LED with green indicating a successful lock to the incoming AES EBU signal i e a valid AES signal is present The L...

Page 15: ...Button was held down for approximately 10 seconds at power up or the main code has been corrupted most likely due to a previous incomplete firmware update Alternating 8 LEDs on 8 LEDs off pattern indicates that the DHY 04 has received an update command from the web page and is updating the firmware valid in either Bootstrap or Normal operation On normal power up the top row of LEDs shows the curre...

Page 16: ...xing desk or other remote device and also outputs opto isolated outputs to indicate the line hold status and the DTMF detect function The remote connector is a 9 way female socket D type To remotely control the line connect connect pin 1 to pin 2 The action of this remote can act as momentary or latching by pin 6 having no connection or connecting to 0V respectively Pins 3 7 is an opto isolated re...

Page 17: ...ion and is an RJ11 6 4 socket Two cables are supplied with the unit to connect this either to a UK BT line jack socket or an RJ11 socket The telephone line is connected via Pins 3 and 4 on the RJ11 and Pins 2 and 5 on the BT Plug the latch adjacent to Pin 6 RJ11 Telephone Connections Pin 1 N C Pin 4 Telephone line B Pin 2 Earth recall Pin 5 Ringer Pin 3 Telephone line A Pin 6 N C Note When not use...

Page 18: ... off if you don t wish to use it by switching SW1 to the OFF position Ducking Enable SW2 ON This switch allows the received signal to be automatically attenuated by 18db when both received and sent audio are present in the hybrid This allows an operator in the studio to talk over the caller at all times Auto Disconnect Enable SW3 ON When SW3 is enabled ON the DHY 04 automatically disconnects from ...

Page 19: ...ia the Ethernet port webserver but in either case when the country setting is altered any calibration parameters are discarded as they will most likely now be incorrect These parameters include tuned hybrid impedance settings coefficients and default cancellation calculation coefficients Country Code Selection The correct country code selection is essential for proper operation of the DHY 04 unit ...

Page 20: ...s 3 4 Croatia 13 400Hz Continuous 1 3 4 Cyprus 14 400Hz Continuous 2 3 4 Czech Republic 15 400Hz Continuous 1 2 3 4 Denmark 16 400Hz Continuous 5 Ecuador 17 400Hz Continuous 1 5 Egypt 18 400Hz Continuous 2 5 El Salvador 19 400Hz Continuous 1 2 5 Finland 20 400Hz Continuous 3 5 France 21 400Hz Continuous 1 3 5 Germany 22 400Hz Continuous 2 3 5 Greece 23 400Hz Continuous 1 2 3 5 Guam 24 400Hz Contin...

Page 21: ...4 6 Malta 42 400Hz Continuous 2 4 6 Mexico 43 400Hz Continuous 1 2 4 6 Morocco 44 400Hz Continuous 3 4 6 Netherlands 45 400Hz Continuous 1 3 4 6 New Zealand 46 Line Reversal 2 3 4 6 Nigeria 47 400Hz Continuous 1 2 3 4 6 Norway 48 400Hz Continuous 5 6 Oman 49 400Hz Continuous 1 5 6 Pakistan 50 400Hz Continuous 2 5 6 Peru 51 400Hz Continuous 1 2 5 6 Philippines 52 400Hz Continuous 3 5 6 Poland 53 40...

Page 22: ...On 250ms Off 2 5 6 7 Maple Audio 115 Line Reversal 1 2 5 6 7 ELMEG ICT 88 PABX 116 421Hz Cadence 200ms On 400ms Off 3 5 6 7 PHILIPS SOPHO PABX 117 425Hz Cadence 250ms On 250ms Off 1 3 5 6 7 Broadcast Bionics 118 N A Always On Always Connected 2 3 5 6 7 Broadcast Bionics PhoneBox Avaya 119 400Hz Cadence 375ms On 375ms Off 1 2 3 5 6 7 User Set 120 400Hz Continuous Default values as ETSI 1 4 5 6 7 Ta...

Page 23: ... a mix minus signal Mic Line Input The characteristics of the mic line input are determined by the state of the mic line configuration selection switch It is a balanced bridging input and in line mode will accept normal signals at 0dBu peaking to 8dBu from a sound mixer clean feed In mic mode the unit will accept 200 Ohm microphone level signals with a maximum gain of 74dB It is suitable for a wid...

Page 24: ...GS on the rear panel ON for the appropriate country specification see Table 2 1 Country on page 10 3 Ensure that DIPSwitch 8 is also set ON and then power up the unit During the power up cycle the new country code should be reflected in the top row of LEDs on the front panel 4 Now return the DIPSwitches to their default condition switches 1 2 7 ON with switches 3 4 also ON if you wish to use autom...

Page 25: ...determined by no line voltage present then trying to connect is invalid Pressing the line hold button will cause it to flash twice quickly If the attempt to connect is via the serial port then the DHY 04 returns an ERR 08 error message Using Speed Dial Buttons There are also 4 Speed Dial buttons on the front panel that can make calls to 7 numbers setup via the webserver When dialling the unit show...

Page 26: ...Phase and Non Phase signals to the Conference Output Phase and Non Phase signals respectively It is available as an accessory DHY 04CONF Using the Conference Port as a Record Output If you are not using the conference port it can be used to provide a balanced audio output from the Conference Output Phase and Non Phase pins This output will contain just the caller signal unless the webserver option...

Page 27: ...unning in the telephone interface ICs It allows the data presented to the DSP to be easily filtered into a signal with caller input and a signal with just sent signal echo The second filter is a variable length TAP with dynamic adapta tion running on the on board 24bit DSP The length of this TAP is dependent of the expected delay in any echoes from the central exchange The default length is 24ms b...

Page 28: ...n 4off pattern after 8 seconds Now release the button and connect to the bootstrap webserver either by discovering the unit with the discovery app or by powering up with DIPSwitch 6 set to ON when the unit will be found at a fixed static 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 D...

Page 29: ...5 STA 06 Initialisation On Hook Ringing Off Hook connected to line Dialling Firmware Update in progress Error Messages ERR 01 Command Not Found ERR 02 Invalid Command Error Unknown ERR 03 Invalid Command Invalid Parameter ERR 04 Parameter out of range ERR 05 Write Parameter is Read Only ERR 08 Line Volts Missing ERR 09 Command not allowed when Call is Active ERR 11 Command not allowed when Call is...

Page 30: ...ed IP address each time it is reconnected to the network If your system network is unsuitable or doesn t have a DHCP server then the unit will use AutoIP which will poll addresses in the reserved range of 169 254 x x until it finds an unused address Unless your network uses this mechanism for IP address assignment this will most likely be used when connecting a PC with a network cable directly bet...

Page 31: ...21 Webserver 6 Figure 6 1 Bonjour Service Discovery Page Figure 6 2 Legacy Service Discovery Page ...

Page 32: ...one line Line Control to take control of the line in response to incoming ringing or to drop currently connected call The DTMF Send String is defined here and verified by pressing the return key Then when the line is connected it can sent by the button or by the remote input A serial command DTS abcd will also send the DTMF string abcd directly Dial Controls to make outgoing calls to previously co...

Page 33: ...l state of the connected DHY 04 Call State Shows the status of the telephone line Dial Select Speed Dial SD numbers or the last called number or manually enter a number and then press the Dial button to make a call Special characters are available via the shift key and the key is used as a backspace The Dial button is also used to answer incoming calls or drop currently connected calls Figure 6 4 ...

Page 34: ...g a disconnect set Country Code Use this option to select the appropriate parameters for many countries The specific telephone standards required for each country are selected together with suitable disconnect methods where known There are also a number of special sets for connecting to PSTN systems and finally a User set where the individual parameters can be adjusted to suit particular requireme...

Page 35: ...bmit 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 Configuration Telephone Details The detailed parameters are shown by selecting the Show Advanced Info check box which allow you to edit the complete sets of parameter values The detailed parameters can be changed by copying the nearest suitable ...

Page 36: ...me connectivity as hardwiring of the previous DHY 03 products Input Port Select the functions of the GPI port between the following options Mom Latch Rem Line Hold When this input is activated i e connected to ground the action of the Remote Line Hold input changes from Momentary to Latching mode DTMF Start When this input is activated i e connected to ground and the unit is connected to a line th...

Page 37: ... from the caller Some networks especially PABXs can have short low level DTMF signalling The DTMF parameters for Threshold and duration can be set here to account for this The Threshold defaults to 108 which is approx equivalent to 12dB and can be decreased increased for lower higher level signals The Duration is the number of tests to be performed with each test taking slightly over 25ms so the d...

Page 38: ...e systems However the unit is capable of handling line delays of up to 250ms Note that longer delays will affect the speed and accuracy of the echo cancellation algorithm Conference Port Function Select the function of the RJ45 conference port from the following Unused Conference Port has no function Conference Conference Port allows 2 x DHY 04 units to share a single Mixer Telco channel Record Co...

Page 39: ... when the output is always analogue Note it is not possible to output digital audio without a digital input being present Save Cancellation Coeffs To tune the system we recommend pre loading the cancellation coefficients to allow the unit to optimise the speed of the echo cancellation Use this option to save the current values after a call has been made with good cancellation A call to a telephone...

Page 40: ...rotected by the level 2 password Set the level 2 password to restrict access to all the settings pages i e Configuration Password Setting Network and Updates The password requires 5 digits of case sensitive alphanumeric characters or should be cleared to remove the password protection The Automatic Log Out Time is between 0 and 30 where 0 is disabled and 1 30 is the inactivity timeout period in mi...

Page 41: ...sh and will require a shut down and restart or you should wait a few minutes then refresh the connection Bonjour Name Enter the host name used by Bonjour The Host name can be up to 63 alphanumeric characters in length and can include hyphens The default name is the Device ID then then serial number without leading zeroes If a conflict occurs on the network this value will be modified to ensure a u...

Page 42: ...namic addressing DHCP or AutoIP to allow the unit to acquire it s IP address automatically from a DHCP server and or using AUTOIP Disable both options to use the static 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 wil...

Page 43: ...33 Webserver 6 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: ...e configuration can be saved or loaded from the local PC running the browser All information about the configuration is saved but to allow replication across multiple machines there a few parameters e g IP Address and host name that are specific to the unit and will not be loaded Update Firmware If an update is available download the latest version and save the file to your computer Browse your co...

Page 45: ...t Just press Save Config to create a file named DHY04 ini in the download directory of the browser The configuration file is always saved to the download directory as DHY04 ini but can be edited renamed or moved to a more convenient location directly on your computer The file is man readable and editable For special setups we sometimes provide a config file to create a special User set to suit cus...

Page 46: ...hould 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 Figure 6 13 Log In Page ...

Page 47: ...e Discovery App or chack with the administrator of the DHCP server to discover the device IP address If DIPSwitch 6 is ON up during power up then the unit will ignore the dynamic addressing options and will use a static IP address of 192 168 0 100 Connect to the device on our browser by typing http followed by the IP address in the browser address bar eg http 192 168 0 100 Now you can either press...

Page 48: ... mic 24dBu Clean Feed Limiting Input 4dBu for CTR21 setting other values available Output Impedance Line Out ϱϬɏ ďĂůĂŶĐĞĚ ĨůŽĂƚŝŶŐ ϬĚ Ƶ Output Impedance Conference Record ϱϬɏ ďĂůĂŶĐĞĚ ĨůŽĂƚŝŶŐ ϬĚ Ƶ Output Level Gain Range 6db 0dB and 6dB adjusted by 3 position front panel switch Digital Audio I O Input Impedance ϭϭϬɏ цϮϬй ďĂůĂŶĐĞĚ Output Impedance ϭϭϬɏ цϮϬй ďĂůĂŶĐĞĚ Sample Frequency Range 30 100kH...

Page 49: ... 3 pin female with push button mic line selection Line AES EBU Output XLR 3 pin male Telephone Line RJ11 6 4 socket Telephone Handset Instrument RJ11 6 4 socket Conferencing or Record Audio RJ45 socket Remotes 9 way D type socket Ethernet RJ45 socket RS232 Serial 9 way D type socket Power IEC mains CEE22 Accessories Order Code Description DHY 04CON Front Panel Conversion Kit DHY 04S to DHY 04 DHY ...

Page 50: ...Sonifex is a BABT approved manufacturing facility with a license to build telecommunications equipment and all telecom products are compliant with BS6301 BS7002 BS415 and CTR21 The following product description is necessary for BABT approval and provides information on the connec tion and operating conditions of the units Manufacturer Sonifex Limited 61 Station Road Irthlingborough Northants NN9 5...

Page 51: ...cessory Ports Mic Line Input Main Output Conferencing Port Serial Port Ethernet Port Remotes Conditions This apparatus is not designed for use under controlled conditions of temperature and relative humidity Series Connection When connected into the loop connection between the main apparatus and the PSTN this apparatus introduces a voltage drop at a current of 40mA of 0 300V The apparatus should n...

Page 52: ...egister 18 Use sum of required values Telephone Interface Register 22 parameters 31 56 81 106 131 156 181 Name RDLY1 RDLY0 RMX Function Ring Delay Bits 0 1 in 256ms steps add value in RDLY2 for total Ring Assertion Max Count Value 0 0 ms 64 256ms 128 512ms 192 768ms 0 63 in 2ms units 0 126 ms Table 8 4 Telephone Interface Register 22 Use sum of required values Telephone Interface Register 23 param...

Page 53: ...e Register 26 Use sum of required values Telephone Interface Register 30 parameters 35 60 85 110 135 160 185 Name FULL2 ACIM Function Enhanced Full Scale x2 AC Impedance Value 16 2 x Full Scale Tx Rx See Table 4 12 Table 8 10 Telephone Interface Register 30 Use sum of required values AC Impedance Setting ACIM Value Simple Resistance Series Complex Impedance 0 600 O 1 900 O 2 270 O 750 O 150 nF 2 2...

Page 54: ...4 64ms 96 8ms 0 0 5ms 8 3ms 0 5Hz 2 200Hz 1 Disable auto switch of Line Voltage to 0v at Low Voltages Table 8 12 Telephone Interface Register 31 Use sum of required values Telephone Interface Register 59 parameters 37 62 87 112 137 162 187 Name SQ1 SQ0 RG1 GCE Function Spark Quenching Receive Gain 1 Guarded Clear Enable Value 0 Normal 80 Australian Spec 4 Add 1dB Gain to Hybrid 2 Telephone Inter f...

Page 55: ...Notes ...

Page 56: ...www sonifex co uk t 44 0 1933 650 700 f 44 0 1933 650 726 sales sonifex co uk ...

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