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Manufacturers of audio & video  

products for radio & TV broadcasters

HANDBOOK

DHY-04G GSM TBU

DHY-04G
DHY-04GS
DHY-04GT

Single Freestanding Automatic GSM Hybrid, AES/EBU & 
Analogue I/O With Ethernet

Single Rackmount Automatic GSM Hybrid, AES/EBU & 
Analogue I/O With Ethernet

Twin Rackmount Automatic GSM Hybrid, AES/EBU & 
Analogue I/O With Ethernet

DHY-04HD HD Voice Hybrid

DHY-04HD
DHY-04HDS
DHY-04HDT

Single Freestanding Automatic HD Voice Hybrid,  
AES/EBU & Analogue I/O With Ethernet

Single Rackmount Automatic HD Voice Hybrid,  
AES/EBU & Analogue I/O With Ethernet

Twin Rackmount Automatic HD Voice Hybrid,  
AES/EBU & Analogue I/O With Ethernet

HD Voice  Hybrid

Summary of Contents for DHY-04G

Page 1: ...M Hybrid AES EBU Analogue I O With Ethernet Twin Rackmount Automatic GSM Hybrid AES EBU Analogue I O With Ethernet DHY 04HD HD Voice Hybrid DHY 04HD DHY 04HDS DHY 04HDT Single Freestanding Automatic H...

Page 2: ...ngborough Northants NN9 5QE England Tel 44 0 1933 650 700 Fax 44 0 1933 650 726 Email sales sonifex co uk Website http www sonifex co uk Information in this document is subject to change without notic...

Page 3: ...bled LED 7 Signal Strength Button 7 Status Operating Mode Information 7 DHY 04G HD Internal Controls Adjustments 7 Jumper and Select Switcher Functions 7 Rear Panel Controls Connections 8 AES EBU Anal...

Page 4: ...ubmit Button 21 Remote Input Port 21 Remote Output Port 21 Password Setting 23 Network Settings 24 Bonjour Name 24 Static IP Address 24 Static Subnet Mask 25 Gateway IP Address 25 Dynamic Addressing 2...

Page 5: ...e 6 1 Bonjour Service Discovery Page 17 Figure 6 2 Legacy Service Discovery Page 17 Figure 6 3 Home Page 18 Figure 6 4 Dialler Page simple screen for making calls accessed via Home Menu drop down 19 F...

Page 6: ...ernet www sonifex co uk 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 al...

Page 7: ...duct has been 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 incorpora...

Page 8: ...est 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...

Page 9: ...d 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 th...

Page 10: ...be connected to a mains socket outlet with a protective earthing connection Important note If there is an earth ground terminal on the rear panel of the product then it must be connected to Earth WEE...

Page 11: ...ith Ethernet A new addition to the DHY 04 range is the ability for the DHY 04G version to be used on a GSM cellular mobile phone network instead of a telephone POTS line The DHY 04G can accept a SIM c...

Page 12: ...tures Quad Band EGSM 850 900 1800 1900MHz Rear panel 2G GSM SIM card insertion Ethernet web server control and configuration Front panel speed dial buttons with redial Signal strength LED display LEDs...

Page 13: ...3 What Is A Telephone Hybrid 1 DHY 04GS Single Rackmount Automatic GSM Hybrid Figure 1 2 DHY 04GS Front Rear DHY 04GT Twin Rackmount Automatic Digital TBU Figure 1 3 DHY 04GT Front Rear...

Page 14: ...nstallations where the landline is unavailable or unreliable HD Voice HD Voice uses a coding system also known as WB AMR for audio data that provides a significant enhancement on the quality of cellul...

Page 15: ...s Five Band UMTS HSPA 850 900 1800 1900 2100MHz Rear Panel 2G GSM or 3G SIM card insertion Ethernet web server control and configuration Front panel speed dial buttons with redial Signal strength LED...

Page 16: ...From The Line These switches allow gain attenuation to be applied to the incoming outgoing analogue audio Each switch has 3 positions Rotating the switches clockwise give gains of 6dB 0dB 6dB The nor...

Page 17: ...04G HD is checking the status of the Line Connect Button to test the Bootstrap Mode see page 29 Alternating 4 LEDs on 4 LEDs off pattern indicates that the DHY 04G HD has entered Bootstrap mode becaus...

Page 18: ...ld circuit from a mixing 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...

Page 19: ...SMA bulkhead connection to connect to an antenna to communicate with the GSM base station We provide a simple stubby antenna that is suitable for most applications but where the signal is poor or the...

Page 20: ...s the effects of telephone line cross talk The noise gate can be switched 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 sig...

Page 21: ...aking 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 71dB It is suitable for a wide range of microphones and the availab...

Page 22: ...nector and telephone caller at the output connector The call may be cleared by re pressing the line connect button or by means of the remote divert switch or via the serial or Ethernet ports If the re...

Page 23: ...n output and the other caller The feed to the mixer will contain a mix of both received calls The conference port cable simple cross connects the Conference Input Phase and Non Phase signals to the Co...

Page 24: ...s constantly adjust the internal hybrid coefficients to achieve the best echo cancellation However the dynamic performance of this algorithm i e the speed that the echo cancellation is optimised is in...

Page 25: ...x CLR Clear Call ACK or NAK DTS nnnn Send DTMF string nnnn ACK or ERR MAC MAC Request returns current MAC address NET Network Request returns active Network Parameters SER Serial Number Request SER nn...

Page 26: ...n a fixed 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 reserv...

Page 27: ...17 Webserver 6 Figure 6 1 Bonjour Service Discovery Page Figure 6 2 Legacy Service Discovery Page...

Page 28: ...ge Status Shows the status of the telephone 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 w...

Page 29: ...i via an access point to the DHY 04G HD This page shows the easy dialler screen and call state of the connected DHY 04G HD Call State Shows the status of the telephone line Dial Select Speed Dial SD n...

Page 30: ...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 Local Number Enter the number...

Page 31: ...ted to ground and the unit is connected to a line then the currently set DTMF String in the Home Page is sent to the line When this option is selected then the action of the Remote Line Hold is determ...

Page 32: ...ss Code or PIN if you wish to protect the SIM card from being misused on other equipment If you load a protected SIM card then the SIM Enabled LED will flash to indicate a problem with the SIM and a m...

Page 33: ...Log Out Time is between 0 and 30 where 0 is disabled and 1 30 is the inactivity timeout period in minutes for the Hybrid to automatically log out The DHY 04G HD can store a SIM card Access Code or PI...

Page 34: ...notably Internet Explorer will not respond to this refresh 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 b...

Page 35: ...ic 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...

Page 36: ...26 6 Webserver Figure 6 8 Device Info Page shows info about the DHY 04G HD product Device Info Page The Device Info page is self explanatory as it shows info about the device...

Page 37: ...nfiguration 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 I...

Page 38: ...hex Update Config Files The settings created in the Configuration page can be retrieved from or saved to your computer To Load a Config Set select a file and press Load Config and the options from th...

Page 39: ...d 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...

Page 40: ...e Discovery App or check 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 an...

Page 41: ...B and 6dB adjusted by 3 position front panel switch Digital Audio I O Input Impedance Output Impedance Sample Frequency Range 30 100kHz i e including 32kHz 44 1kHz 48kHz 64kHz 88 2kHz 96kHz Signal Lev...

Page 42: ...PTCRB IC Brazil ANATEL Ring Detector Sensitivity Off 1 2 3 or 4 rings Power Supply Power to DHY 04G HD S T Universal 12W power supply 90 to 250V AC 47 63Hz fused 1A Antisurge Fuse These values are de...

Page 43: ...TBU free standing 4 5cm 1 8 21 8cm 8 6 17 5cm 6 9 1 4kg 3lbs 2 2kg 4 8lbs DHY 04G Boxed DHY 04HD Boxed 6cm 2 4 34cm 13 4 27cm 10 6 DHY 04GS Raw DHY 04HDS Raw Automatic digital GSM hybrid TBU rack mou...

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

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