AEQ TH-03
Contents
1. cccccccccceeeeeseeeeeeeeeeeneees 9 2 2 2 Description of the TH 03 1 rear panel and CONNECTIONS cccecceceeeeeeeeeeeee ees 10 3 AUDIO CONNEC TIONS rasina A AEEA EA 12 SEE i EEP EET EIET E N AE T EN E TT 12 3 1 1 Connection of audio inputs and outputs sannsenneannnennnnnnnnennnennnnnrrnnrnnnrrnernnene 12 A CONTROL FUNCTIONS socos E 12 5 TECHNICAL SPECIFICATIONS issu iauessuen sete reweneeteoesenaenwesieenevasnaaudesenimearavtdertsannieesauetecanaues 13 PO WV IN DN cesses tread E eee deen see deueduonvavedssedeuidesnedsoneced 14 2 AEQ TH 03 1 INTRODUCTION 1 1 General description The AEQ TH 03 is a digital hybrid with one or two lines of communication TH 03 1 and TH 03 2 respectively that allows to work with analog or digital AES EBU audio signals this last option by means of an additional board The system allows you to use the frequency extension function in order to improve the audio quality on the communications through the analogue telephone line In the case of the hybrid with 2 lines TH 03 2 the user can take advantage of the built in Mix Minus bus Through this bus is possible to establish a multiplex communication between the user and the two communication lines connected to the hybrid 1 2 General precautions The following precautions should be observed for safety reasons during all operation and maintenance of this unit Failure to comply with all instructions may seriou2. connected Pin 7 FREQUENCY EXTENSION Pin 8 Not connected Pin 9 COMMON GROUND These connections when required must be carried out only by qualified technical personnel In order to control remotely any of the two lines of the unit you must press previously the LOC REM key of the corresponding key on the front panel To activate any of the available functions the only requirement is to connect the respective remote signal to ground The RING signal allows to recognize the incoming call tone on the telephone line and can be used to feed a LED when the ring signal is detected on the line the connected LED lights blinking The electrical features of this signal are as follows 10 AEQ TH 03 When the incoming call tone is connected 100 ms oe D 20 ms When the incoming call tone is disconnected 0 Volts Note some telephone swithcboards can generate exceptionally low incoming call signals much lower than 75 VRMS which the equipment will not detect In this case please contact our Technical Service which will give you advice about the required modification for solving the problem TEL SET connector RJ11 type for telephone set Allows you to connect an external telephone terminal in order to do the dial or take a call TEL LINE connector RJ11 type for telephone line PROG OUT connector XLR 3p male type for program analogue or digital output see section 3 1 1 The co
3. or persons due to such unauthorized maintenance Always bear in mind that inside the equipment there is high voltage and there exists the risk of an electrical shock The installation of this unit must be carried out by qualified technical personnel 1 2 5 How to proceed in case of feedback In case you find any feedback reaction in the TH 03 after installation and connection the technician should check in the mixing console that there is no signal sent from the TH 03 talkback module to the console module that sends signal to the hybrid AEQ TH 03 2 PHYSICAL DESCRIPTION OF THE UNIT 2 1 Physical description of the 2 lines hybrid TH 03 2 2 1 1 Description of the TH 03 2 front panel and controls 123 4 5 6 7 8 9 10 11 12 13 14 1 LOC REM key of LINE 1 allows you to change between local without pressing or remote control pressed of line 1 Both modes are exclusive between them When remote control is activated the control keys XTND WAIT and ON AIR of that line are no longer active and their functions are managed through remote control connector in order to activate any of these functions only is required to connect to ground the corresponding remote signal 2 XTND key of LINE 1 allows you to activate the frequency extension function The typical telephone circuits have a limited bandwith between 300 and 4000Hz Unfortunately the most part of the voice energy is contained in frequenci
4. AEQ TH 03 Digital Hybrid of 1 TH 03 1 or 2 lines TH 03 2 with Frequency Extender USER S MANUAL ED 01 12 V 1 0 31 01 2012 CONTENTS TINIRODUCHON acetate petra estas restate se st eased enloerantnat ce etoe ree re statin austen euestayaeuesteudesedteueodectat 3 T1 General CESCNIDION srein onina aE aE edesaraaceesaaenes 3 1 2 General precauolS casis a ea E RE E OEO ERS 3 t2 l Read 2 asi 0 6 6 0 eee ee ee ee ARE 3 1 2 2 Protection against water and humidity cece cseeeeceeeeeeeeeeeeeeeeseeeeeseaeeeseeeesseneens 3 1 2 3 Ventilation fire and flammable VAPOSMS ccccccccceeccceeececeecesseeeesaeeeseeeeseeeeesaees 3 Ta MAMONA NG Osanai E N OEE EE EEEE E a a erence E 3 1 2 5 How to proceed in case of fECADACK 0 eecccccccccceeceeeeececeecesseeeesaeeeesaeeeseeeeesaees 3 2 PHYSICAL DESCRIPTION OF THE UNIT 2 2 sccesssscnssseseensssseenneessenenseneenseseenneeseenees 4 2 1 Physical description of the 2 lines hybrid TH 03 2 cceccccccseeeeeeeeeeeeseeeeeeeeeeeeeeaeeeeas 4 2 1 1 Description of the TH 03 2 front panel and Controls cccccccceceeeeeseeeeeeeeeeeeeees 4 2 1 2 Description of the TH 03 2 rear panel and CONNECTIONS cceccceeeeeeeeeeeeeeeees 6 2 2 Physical description of the 1 line hybrid TH 03 1 cccceccccccseeeeceeeeeeeeeeeeeeeeeeeeeaeeeeens 9 2 2 1 Description of the TH 03 1 front panel and Controls
5. IR and WAIT keys are pressed at the same time ON AIR mode prevails over WAIT mode LEVEL VUmeters a pair of 10 segments precision VUmeters that allows you to monitor the output SND VUmeter and input signal RCV VUmeter of the established link AEQ TH 03 6 RING LED this LED will blink when an incoming call is detected 7 POWER LED Power On LED indicator 2 2 2 Description of the TH 03 1 rear panel and connections 1 AC power supply connector The TH 03 is prepared to operate with supply voltages from 90 to 250 VAC 50 60HZz The unit s mains connector socket has a fuse box located at the bottom of the plug and its supplied with a 1A fuse and a spare one Note The power cord of TH 03 is supplied with a European stardard plug mains connector In some countries it may be necessary to replace the plug to fit the current regulations on them 2 Power ON OFF switch 3 GPIO connector for remote control of the unit The physical connector used is a DB15 female with the following pinout a ORCL CROROR CMOS OR CLOROROMOM OS 15 g DB15 connector pinout indentification Pin 1 CALL IN LINE RING Pin 10 Not connected Pin 2 Not connected Pin 11 Not connected Pin 3 Not connected Pin 12 Not connected Pin 4 CALL ON WAIT Pin 13 Not connected Pin 5 CALL ON AIR Pin 14 Not connected Pin 6 Not connected Pin 15 Not
6. REM key on the front panel Both modes are exclusive between them AEQ TH 03 5 TECHNICAL SPECIFICATIONS Audio Inputs and Outputs EE Analog program input XLR female Input impedance gt 6KO Electronic balancing Nominal input level OdBm Analog program output XLR male Electronic balancing Nominal output level OdBm Digital program input XLR female optional by means of additional board Nominal input level 22dBFS Digital program output XLR male optional by means of additional board Nominal output level 22dBFS Telephone line interface Input output By transformer Impedance 6000 Bandwith With frequency extension desactivated 300 4000HZ 1dB With frequency extension activated 50 3750Hz 1dB THD N Distortion Line lt 0 1 Program output lt 0 1 Tx lt 80dBm Rx lt 79dBm Tx 250Hz Rx 250Hz n any case lower than absolute noise Absolute noise Frequency extension Cross talk Supression of electrical echo Program output level lt 75dBm line impedance 600Q signal source at 1KHz nominal input and output levels AC Power Supply 90 250 VAC 50 60Hz W x D x H mm 486 x 238 x 44 Characteristics are subject to change without prior notice AEQ TH 03 6 A E Q WARRANTY AEQ guarantees that this product has been designed and manufactured under a certified Quality Assurance System and according to the UNE166002 Standard AEQ therefore Guarantees that the necessary
7. cribed for the line 1 key 11 LEVEL VUmeters of LINE 2 equivalent functionality that the one described for the line 1 VUmeters 12 RING LED of LINE 2 equivalent functionality that the one described for the line 1 LED 13 MPX key allows you to activate the Multiplex function and perform a cross talk between lines 1 and 2 and the unit In this working mode the user of AEQ TH 03 2 and two more participants at the ends of each line can establish a communication in full duplex mode that is everyone talks to everyone and hear each other at all times When Multiplex function is activated only the PROG IN input and PROG OUT output of line 1 are available the input and output of line 2 are disabled Thus the signal of the line 1 PROG IN input is sent to both phone lines and the signals coming from both lines are conducted to the line 1 program output on the other hand the signal from the telephone line 1 is also sent to the telephone line 2 and vice versa The operating diagram of this mode is as follows EWTRADA AL PROGRAMS PROGRAM IHFUT i LIH EA TELEF WEA TELEFHOME LIME i LIH ES TELEFO WE AS TELEF HOME LINES SALILA DEL PROG RAMA FROG RAM OUTPUT 1 14 POWER LED Power On LED indicator AEQ TH 03 2 1 2 Description of the TH 03 2 rear panel and connections 910 11 12 13 1 AC power supply connector The TH 03 is prepared to op
8. e TH 03 1 front panel and controls 1 1 iets TH O3 1 AEQ Digdtel Teleph iie Heber lal 23 4 5 6 7 LOC REM key allows you to change between local without pressing or remote control pressed Both modes are exclusive between them When remote control is activated the control keys XTND WAIT and ON AIR are no longer active and their functions are managed through remote control connector in order to activate any of these functions only is required to connect to ground the corresponding remote signal XTND key of LINE 1 allows you to activate the frequency extension function The typical telephone circuits have a limited bandwith between 300 and 4000Hz Unfortunately the most part of the voice energy is contained in frequencies lower than 300Hz which are lost during transmision through the telephone line For this reason the audio signal has the typical telephone sound being this loss the most representative aspect The frequency extension function allows to transmit the bandwith between 50 and 300Hz through the telephone line In order to achieve this the signal sent undergoes a 250Hz frequency shift improving the quality of the received signal in its lower frequencies at the expense of the higher band The transmitted bandwith is thus between 50 and 3750Hz The lost 250Hz from the higher frequencies are not very significant due to the logarithmic nature of the audio frequency
9. erate with supply voltages from 90 to 250 VAC 50 60HZz The unit s mains connector socket has a fuse box located at the bottom of the plug and its supplied with a 1A fuse and a spare one Note The power cord of TH 03 is supplied with a European stardard plug mains connector In some countries it may be necessary to replace the plug to fit the current regulations on them 2 Power ON OFF switch 3 GPIO connector for remote control of the unit The physical connector used is a DB15 female with the following pinout E SaPAPRPARH PSPPARRGD 15 g DB15 connector pinout indentification Pin 1 CALL IN LINE 1 RING 1 Pin 10 Not connected Pin 2 CALL ON WAIT LINE 2 WAIT 2 Pin 11 Not connected Pin 3 CALL ON AIR LINE 2 ON AIR 2 Pin 12 Not connected Pin 4 CALL ON WAIT LINE 1 WAIT 1 Pin 13 Not connected Pin 5 CALL ON AIR LINE 1 ON AIR 1 Pin 14 Not connected Pin 6 CALL IN LINE 2 RING 2 Pin 15 Not connected Pin 7 FREQUENCY EXTENSION LINE 1 Pin 8 FREQUENCY EXTENSION LINE 2 Pin 9 COMMON GROUND These connections when required must be carried out only by qualified technical personnel In order to control remotely any of the two lines of the unit you must press previously the LOC REM key of the corresponding key on the front panel To activate any of the available functions the only requirement is to connect the respective remote signal to ground The RING 1 and RING 2 sig
10. es lower than 300Hz which are lost during transmision through the telephone line For this reason the audio signal has the typical telephone sound being this loss the most representative aspect The frequency extension function allows to transmit the bandwith between 50 and 300Hz through the telephone line In order to achieve this the signal sent undergoes a 250Hz frequency shift improving the quality of the received signal in its lower frequencies at the expense of the higher band The transmitted bandwith is thus between 50 and 3 750Hz The lost 250Hz from the higher frequencies are not very significant due to the logarithmic nature of the audio frequency response The translation of frequencies takes place by encoding the audio signal before it is sent to the telephone line Decoding i e the reverse frequency shift takes place at the receiving end that must be done by the appropriate equipment with the frequency extension function also activated another TH 03 hybrid a TLE O2D communications unit a TH 03 EX hybrid an hybrid module of the COURSE system or a FR33 module of the FORUM console The decoded signal has the original bandwith between 50 and 3750Hz without having suffered any alteration Thus greater depth and clarity is achieved in the voice signal even in those communications that take place under the worst conditions 3 WAIT key of LINE 1 allows you to select WAIT mode on hold for the incoming call line i
11. horized Technical Service Center This guarantee does not include the freight charges of the product to or from such Authorized Technical Service Center 4 No Extension of the Guarantee Period for repaired product shall be applied Nor shall a Substituted Products in application of this Guarantee be subject to Guarantee Period Extension 5 The present guarantee will not be applicable in the following situations improper use or Contrary use of the product as per the User or Instruction Manual violent manipulation exhibition to humidity or extreme thermal or environmental conditions or sudden changes of such conditions electrical discharges or lightning oxidation modifications or not authorized connections repairs or non authorized disassembly of the product spill of liquids or chemical products 6 Under no circumstances whether based upon this Limited Guarantee or otherwise shall AEQ S A be liable for incidental special or consequential damages derived from the use or from the impossibility of using the product AEQ shall not be liable for loss of information in the disks or data support that have been altered or found to be inexact neither for any accidental damage caused by the user or other persons manipulating the product AEQ TH 03
12. nals allow to recognize the incoming call tone on each telephone line and can be used to feed two separate LEDs when the ring signal is detected on a line the connected LED lights blinking The electrical features of this signal are as follows AEQ TH 03 9 When the incoming call tone is connected 100 ms oe 20 ms When the incoming call tone is disconnected 0 Volts Note some telephone swithcboards can generate exceptionally low incoming call signals much lower than 75 VRMS which the equipment will not detect In this case please contact our Technical Service which will give you advice about the required modification for solving the problem TEL SET connector RJ11 type for line 2 telephone set Allows you to connect an external telephone terminal in order to do the dial or take a call TEL LINE connector RJ11 type for telephone line 2 PROG OUT connector XLR 3p male type for analogue or digital output see section 3 1 1 of the line 2 program This output is disabled when Multiplex function is activated see section 2 1 1 The connector pinout is as follows Pin 1 Ground Pin 2 Output Pin 3 Output When using the digital option only the L channel of the stereo digital output will carry audio signal LED indicator for optional digital AES EBU input output board installed and operative for line 2 PROG IN connector XLR 3p female type for analogue or digi
13. nnector pinout is as follows Pin 1 Ground Pin 2 Output Pin 3 Output When using the digital option only the L channel of the stereo digital output will carry audio signal LED indicator for optional digital AES EBU input output board installed and operative PROG IN connector XLR 3p female type for program analogue or digital input see section 3 1 1 The connector pinout is as follows Pin 1 Ground Pin 2 Input Pin 3 Input When using the digital option only the L channel of the stereo digital input will be sent to the line AEQ TH 03 3 AUDIO CONNECTIONS 3 1 General The audio connections of the TH 03 have been made in accordance to the recommendations of AES 14 1 992 ANSIS 4 48 1 992 This recommendation is based upon the IEC 268 12 of 1 987 Audio Systems Equipment Part 12 Connector application for Radio Broadcasting and similar use Make sure that the audio cables that you are connecting to the equipment follow this standard Otherwise they have to be replaced or modified since they can cause problems in the phase of the audio signal 3 1 1 Connection of audio inputs and outputs The TH 03 can work with analogue or digital AES EBU signals These last ones are optionals and use the same XLR connectors than the analogue ones Therefore in the case of the TH 03 1 it is possible to use only one of the two types of signal in the case of the TH 03 2 one line can be configurated wi
14. response The translation of frequencies takes place by encoding the audio signal before it is sent to the telephone line Decoding i e the reverse frequency shift takes place at the receiving end that must be done by the appropriate equipment with the frequency extension function also activated another TH 03 hybrid a TLE 02D communications unit a TH 03 EX hybrid an hybrid module of the COURSE system or a FR33 module of the FORUM console The decoded signal has the original bandwith between 50 and 3750Hz without having suffered any alteration Thus greater depth and clarity is achieved in the voice signal even in those communications that take place under the worst conditions WAIT key allows you to select WAIT mode on hold for the incoming call line is connected to the digital hybrid and the signal of the corresponding PROG IN input is sent to the line The correspondent hears the program but can not take part in it When the key is released the line returns to the telephone set if not hung up previously or the call is disconected unless the ON AIR key is pressed ON AIR key allows you to select ON AIR mode for the incoming call line is connected to the digital hybrid the signal of the corresponding PROG IN input is sent to the line and the signal coming from the line is conducted to the corresponding PROG OUT connector The correspondent hears the program and takes part in it When ON A
15. s connected to the digital hybrid and the signal of the corresponding PROG IN input is sent to the line The correspondent hears the program but can not take part in it When the key is released the line returns to the telephone set if not hung up previously or the call is disconected unless the ON AIR key is pressed 4 ON AIR key of LINE 1 allows you to select ON AIR mode for the incoming call line is connected to the digital hybrid the signal of the corresponding PROG IN input is sent to the line and the signal coming from the line is conducted to the corresponding PROG OUT connector The correspondent hears the program and takes part in it When ON AIR and WAIT keys are pressed at the same time ON AIR mode prevails over WAIT mode AEQ TH 03 LEVEL VUmeters of LINE 1 a pair of 10 segments precision VUmeters that allows you to monitor the output SND VUmeter and input signal RCV VUmeter of the link established through line 1 6 RING LED of LINE 1 this LED will blink when an incoming call is detected on line 1 7 LOC REM key of LINE 2 equivalent functionality that the one described for the line 1 key 8 XTND key of LINE 2 equivalent functionality that the one described for the line 1 key 9 WAIT key of LINE 2 equivalent functionality that the one described for the line 1 key 10 ON AIR key of LINE 2 equivalent functionality that the one des
16. sly alter the functions and performance of the equipment AEQ will not be responsible for any damage or loss due to the improper handling of the equipment 1 2 1 Read all instructions Before connecting the equipment to mains and start up it is absolutely necessary to read carefully all the instructions in this manual in the established order If these basic rules are respected you will obtain the maximum performance of the equipment from the very start and at the same time you will avoid incorrect or improper operation that could cause damage to the equipment or personnel 1 2 2 Protection against water and humidity The operation of the equipment in humid environments near water or wet floors must be avoided Nor should it be used in environments where the atmospheric humidity is so high it will produce regular condensation inside the equipment 1 2 3 Ventilation fire and flammable vapors The equipment should never be placed near or over a heat source The use of electrical or electronic equipment close to fire or flammable vapors is a risk that has to be avoided All ventilation grids must be uncovered to allow hot air out and make sure a proper ventilation of the equipment 1 2 4 Maintenance Any maintenance of this equipment should be carried out by qualified technical service personnel AEQ will not be responsible for any damage caused by unauthorized maintenance operations nor for any damage caused to other equipment
17. tal input see section 3 1 1 of the line 2 program This input is disabled when Multiplex function is activated see section 2 1 1 The connector pinout is as follows Pin 1 Ground Pin 2 Input Pin 3 Input When using the digital option only the L channel of the stereo digital input will be sent to the line TEL SET connector RJ11 type for line 1 telephone set Allows you to connect an external telephone terminal in order to do the dial or take a call 10 TEL LINE connector RJ11 type for telephone line 1 AEQ TH 03 11 PROG OUT connector XLR 3p male type for analogue or digital output see section 3 1 1 of the line 1 program or both lines in Multiplex mode The connector pinout is as follows Pin 1 Ground Pin 2 Output Pin 3 Output When using the digital option only the L channel of the stereo digital output will carry audio signal 12 LED indicator for optional digital AES EBU input output board installed and operative for line 1 13 PROG IN connector XLR 3p female type for analogue or digital input see section 3 1 1 of the line 1 program or both lines in Multiplex mode The connector pinout is as follows Pin 1 Ground Pin 2 Input Pin 3 Input When using the digital option only the L channel of the stereo digital input will be sent to the line AEQ TH 03 2 2 Physical description of the 1 line hybrid TH 03 1 2 2 1 Description of th
18. test protocols to assure the proper operation and the specified technical characteristics of the product have been followed and accomplished This includes that the general protocols for design and production and the particular ones for this product are conveniently documented 1 The present guarantee does not exclude or limit in any way any legally recognized right of the client 2 The period of guarantee is defined to be twelve natural months starting from the date of purchase of the product by the first client To be able to apply to the established in this guarantee it is compulsory condition to inform the authorized distributor or to its effect an AEQ Sales office or the Technical Service of AEQ within thirty days of the appearance of the defect and within the period of guarantee as well as to facilitate a copy of the purchase invoice and serial number of the product It will be equally necessary the previous and expressed conformity from the AEQ Technical Service for the shipment to AEQ of products for their repair or substitution in application of the present guarantee In consequence return of equipment that does not comply with these conditions will not be accepted 3 AEQ will at its own cost repair the faulty product once returned including the necessary labour to carry out such repair whenever the failure is caused by defects of the materials design or workmanship The repair will be carried out in any of the AEQ aut
19. th analog input output and the other line with digital input output or both of them with only analogue or only digital inputs outputs The TH 03 is provided by default unless specific request with analogue inputs and outputs allthough these can be converted into digital by means of the insertion of an additional board or two in the case of the TH 03 2 in the main base board and changing some PDP s on that board This operation requires opening the unit so that must be done by specialized personnel and the equipment must be disconnected from electrical power and telephone line In order to find out if the equipment is configured with digital inputs and outputs it has a LED indicator two LEDs in the case of the TH 03 2 on the rear part between the PROG OUT and PROG IN connectors see sections 2 1 2 and 2 2 2 If you need to convert the TH 03 from analogue to digital please consult the Technical Assistance Service of AEQ 4 CONTROL FUNCTIONS The TH 03 has a number of control functions to select the operating mode of each connected line All functions are independent for each line In local mode the control functions are activated desactivated by means of the keys on the front panel see sections 2 1 1 and 2 2 1 In remote mode those functions can be activated desactivated by remote control through the corresponding GPIO connector see sections 2 1 2 and 2 2 2 You can select the operating mode by pressing the LOC
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