HANDSET
Contents
1. Side Tone ON OFF USB Audio Device Figure D 5 Side Tone Settings HANDSET TECHNICAL OVERVIEW D USING USB AUDIO D 4 D 4 Using Tipro USB Audio Modules Besides the USB Handset Tipro also offers other USB audio modules e g Speakerbox Touchmonitor with integrated loudspeakers that can be joined into a single FREE FREE BeFREE configuration On the other side Windows operating systems present each of them as a USB Audio Device In order to enable independent addressing and differentiation each type of FREE FREE BeFREE audio module Handset Speakerbox Touchmonitor has a different USB product ID see Chapter B 3 However Tipro can not guarantee that the actual Product ID of the USB Handset module or any other individual FREE FREE BeFREE USB audio module will not change in future as it depends on the USB Codec IC vendor s who reserve the right to change it HANDSET TECHNICAL OVERVIEW TIPRO E ORDERING CODES E 1 E ORDERING CODES 1 2 3 4 5 6 7 8 TM HUA 5 A W C15C25 xxx 1 Module Type H Handset module 2 Audio Interface U USB T USB with HID Telephony Interface only as a customization 3 Configuration A Standard FREE FREE BeFREE add on module M FREE FREE BeFREE module with integrated Tipro USB controller 4 Handset Cord 5 5 wire shielded cable 5 PTT PTM and Hook Operation A Programmable keys K Programmabl2. Wall mount tooth Tipro bus cable to be connected to adjacent FREE FREE BeFREE module Connector plate Figure BI USB Handset Module Integral Parts HANDSET TECHNICAL OVERVIEW e A GENERAL INFORMATION B 2 B 1 Handset The handset itself is a combination of a dynamic loudspeaker an electret microphone and a PushToTalk Mute key It is connected to the cradle by a spiral shielded cable that improves immunity to external electromagnetic fields The cable also referred to as handset cord is detachable at the cradle side see Figure B 2 B 2 Cradle Base The cradle contains an electronic board with a hook switch analogue conditioning circuitry a USB audio Codec LED indicators and a microcontroller The USB audio Codec converts analogue signals into a digital USB data stream and vice versa while the microcontroller supervises the operation and enables modularity programmability via Tipro bus The hook switch is a reed contact activated by a magnet inside the handset B 2 1 Microphone Amplifier The microphone amplifier is a logarithmic audio amplifier with noise gating and compression features Noise gate discards all sounds below the threshold thus effectively suppressing ambient noise The compression feature enables compression of the output signal dynamics in order to minimize the difference between quiet and loud speech The amplifier is also capable of limiting extremely loud speech and therefor
3. mm gross dimensions with side covers 90 x 222 x 66 W D H mm weight 400 g approximately protection sealing grade IP 40 according to EN 60529 ENVIRONMENTAL operating ambient temperature range 0 C to 40 C storage ambient temperature range 10 C to 50 C e relative humidity range 20 to 80 non condensing AUDIO Analogue front end gt designed to meet narrow band telephony standards gt frequency pass band 200 Hz 5 kHz typ USB Audio Codec gt model Texas Instruments PCM 2912x gt USB Interface full speed USB 2 0 compliant certified by USB IF gt resolution 16 bit Delta Sigma ADC and DAC gt sampling rates ADC amp DAC 8 11 025 16 22 05 32 44 1 48 kHz MECHANICAL KEYS AND REED SWITCHES PTT PTM key two keyswitches in parallel gt model Cherry ML gt key travel 2 5mm to 3 0mm total gt actuating force 45 20 cN gt reliability Mean Cycles To Failure MCTF 1 billion 10 press release cycles 20 million is guaranteed minimum e Hook switch reed switch gt reliability Mean Cycles To Failure MCTF 500 million 5x 108 switching cycles 20 million is guaranteed minimum HANDSET TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION B 1 B INTEGRAL PARTS AND FUNCTIONALITY Two major parts a handset and a cradle constitute the module The handset is connected to the cradle by a handset cord Loudspeaker PushToTalk Mute key
4. AW the USB is also the control interface and must be connected to a self powered or a root hub because the integrated Tipro USB controller itself comprises a bus powered USB hub BA Differences between TM HUA 5AW and TM HUA 6AW The TM HUA 5AW is the successor and a superset of the TM HUA 6AW It provides several new functions and features gt new USB Codec IC supporting all standard sampling rates both for ADC and DAC ambient noise suppression noise gating compression and limiting microphone signal software adjustable microphone volume hardware generated side tone software adjustable side tone level acoustic shock protection VV VV VV WV improved immunity to external electro magnetic fields HANDSET TECHNICAL OVERVIEW A GENERAL INFORMATION B 4 Consequently the migration should be beneficial and seamless However there is a potential compatibility issue Since TM HUA 5AW incorporates a different USB Codec IC its USB Product ID is also different Therefore if the actual application software reads the Product ID to identify the module what is rarely the case it will need to be modified to support the new one see Chapter D 4 BA Differences between TM HUA 5AW and TM HUM 5AW The TM HUM S5AW is a stand alone version and a functional superset of the TM HUA SAW module It additionally incorporates a Tipro USB controller with built in bus powered hub one downstream port is occupied by the Tipro contro
5. HANDSET FREE FREE BeFREE Handset Module TECHNICAL OVERVIEW Description and Application Handset_TO_06 doc Version 06 May 30 2012 TIP RO TABLE OF CONTENTS II TABLE OF CONTENTS A GENERAL INFORMATION sorrisi ir anra Ei iNT rF ETEN ere A 1 AN HHU shts sienn a ca sas E E E E REER A 1 Ace Technical EE sisser serssk isise akaet keen ravaa eE Ensei RERE EEk ia A 2 B INTEGRAL PARTS AND EUNCTIONALIIN B 1 BM HAMS E B 2 EE EE B 2 RE Microphone Amplifiet assis edd B 2 22 Loudspeaker Amplie spss pisces dative osenue cea tuacdeantsacertaudes awe aaa tied aeteeansens B 2 Bo Fe ST EE B 2 BR 2A USB Ne E B 3 B 3 Differences between TM HUA 5AW and TM HUA 6AW eee eeeceeeseeeeeee B 3 BA Differences between TM HUA 5AW and TM HUM AANW B 4 BS USB Handset Module with Integrated Dial Pad TM HUx 5KW B 4 Bo Analogue Handset Module TM HHA 6AW eeceescceeeseeeeeseeeeeneeeeeneeeeeneeeeaes B 6 C CONFIGURING THE MODULE eege eeEEee Euren C 1 C1 D tectih gassene ea ssaamecnomendesesa E EOR A AOSE SEEE ETES C 1 CG2 Setting H E C 1 E PROS TAMA eege eieae E E E EE Eege eebe E E E EEA C 2 D USINGUSBAUDIO E D 1 DBA InstallatiO E D 1 D2 E a E EAEE E A AARE ASi D 2 D3 Ge TOMS DE D 3 D Using Tipro USB Audio MOdules ccaccasicesscisscnaseessscasonaacesacesscncdeas tiasoaceesencesanees D 4 REH E 1 e F G L G 1 G1 KT G 1 EE NOCO eieren nere ar eE EA va OAE E S ETE EEEE G 1 HANDSET TECHN
6. ICAL OVERVIEW TIPRO A GENERAL INFORMATION A 1 A GENERAL INFORMATION The USB Handset module TM HUA 5AW is a USB audio device for digital bidirectional voice communication It is a FREE FREE BeFREE add on module to be combined with the other family members into a multifunctional terminal console for various applications Superseding its predecessor TM HUA 6AW it brings a number of new features such as hardware generated side tone adjustable microphone volume logarithmic microphone amplifier with noise gating function acoustic shock protection and improved immunity to external electromagnetic fields see Chapter B 3 PushToTalk PustToMute key and Hook switch operate as programmable keys i e emulating user definable input from a standard computer keyboard what enables seamless integration of these features into an existing application software without an intervention in the code Two RGB LEDs within the cradle visually indicate the status of the switches Talk Mute and On Hook Off Hook Once configured see Chapter C the module does not require any proprietary software to operate but rather generic USB HID keyboard for PTT key and Hook switch and USB audio for voice drivers of the operating system in use As all other FREE FREE BeFREE add on modules the TM HUA 5AW requires a Tipro controller to operate The controller is normally integrated into another module e g a touchcomputer a touchmonitor or a keyboard mod
7. S G 1 Disclaimer Information furnished by Tipro is believed to be accurate and reliable However Tipro makes no representations or warranties regarding the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice G 2 Copyright Notice 2004 2012 Tipro All rights reserved Trademarks and registered trademarks are the property of their respective owners HANDSET TECHNICAL OVERVIEW TIPRO
8. audio processing circuitry both analogue and digital providing a direct connection to the loudspeaker and the microphone via RJ4P 4C jack socket The connector is placed in the cradle instead of the USB Type B connector refer to Figure B 2 The handset cord is 6 wire spiral unshielded cable The external audio cable is a 4 wire unshielded straight through cable 2 5m long TM CH1 The loudspeaker is connected between pins 2 and 3 electrically floating no ground connection The microphone is also floating between pins 4 positive and 1 negative LOUDSPEAKER type dynamic impedance 150 Q Typ 1 kHz 1 V output sound pressure level SPL 93dB 3 dB 1 kHz frequency range 200 Hz 4 kHz TYP MICROPHONE type electret condenser omni directional output impedance 2 2 kQ Max sensitivity 36dB 3dB 0dB 1 V Pa 1 kHz frequency range 100 Hz 5kHz typ All other non audio functions are the same as of the TM HUA 5AW The module TM HHA 6AW is intended for direct connection to the Speakerbox module see Reference 1 as well as to a third party analogue audio processing hardware HANDSET TECHNICAL OVERVIEW TIPRO C CONFIGURING THE MODULE C 1 C CONFIGURING THE MODULE The ChangeMe software is required only to configure the module as normal operation requires only generic drivers of the operating system in use see Chapter D It is supplied free of charge and operates exc
9. e keys with integrated Dial Pad 6 Position of the Wall Mount Tooth W sticking out Wall mount ready default none hidden 7 Housing Colour C15C25 black C15 with special protective finishing C25 on the upper part of the handset housing 8 Custom Version Three digit number reserved for product customizations It is omitted in case of standard version Note 1 USB interface cable TM CU1 is included Note 2 The upper part of the handset housing is protected with a special coating in order to improve its abrasion resistance The coating modifies the shade of the original black C15 colour what is referred to as C25 colour HANDSET TECHNICAL OVERVIEW TIPRO F REFERENCES F 1 F REFERENCES 1 SPEAKERBOX Technical Overview 2 CHAMELEON Technical Overview 3 POWERED FREE 15 Technical Overview 4 BeFREE Technical Overview 5 ChangeMe User s Manual 6 Modularity Demystified Dispatching Hints amp Tips White Paper Issue No 001 7 2 Handsets in 1 Terminal Dispatching Hints amp Tips White Paper Issue No 002 8 3 Handsets in 1 Terminal Dispatching Hints amp Tips White Paper Issue No 003 9 HID Telephony Interface Dispatching Hints amp Tips White Paper Issue No 005 HANDSET TECHNICAL OVERVIEW TIPRO G NOTICES G 1 G NOTICE
10. e prevents distortion and popping The output of the amplifier connects to the Analogue to Digital Converter ADC inside the USB Codec chip B 2 2 Loudspeaker Amplifier The loudspeaker amplifier is a linear audio amplifier with differential output and limiting circuitry to prevent an acoustic shock It drives the loudspeaker inside the handset with a signal which is a composition of the output signal USB audio data stream received from the computer and converted by Digital to Analogue Converter inside the USB Codec chip and a part of the microphone signal so called side tone The left and right channel of the Codec s stereo output and internally summed prior to the amplification B 2 3 USB Audio Codec The audio Codec with USB interface is the Texas Instruments PCM2912x integrated circuit refer to respective data sheet for details HANDSET TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION B 3 B 2 4 USB Interface Audio interface of the module is full speed USB compliant to the USB 2 0 specification It is accessible from the bottom of the cradle see Figure B 2 at the USB upstream type B connector to be connected to a USB downstream port of the Tipro USB controller inside some other a touchmonitor or a keyboard module within the same FREE FREE BeFREE configuration Handset Connector RJ 6P 6C USB Connector Type B Figure B 2 USB Handset Module External Connections In case of TM HUM 5
11. ker and the microphone optional Dial Pad in the cradle for ergonomic dialling PROGRAMMABILITY programmable PushToTalk PushToMute key also referred to as switch programmable magnetic Hook switch also referred to as key two RGB LEDs indicating status Talk Mute and On Hook Off Hook gt various operating modes gt 5 different colours Red Green Blue Orange Violet programmable Dial Pad keys TM HUx 5KW only A 2 Technical Characteristics ELECTRICAL Sd gt A gt gt gt ad power supply audio circuitry 5V 5 from USB power supply control circuitry 5V 5 from Tipro controller via Tipro bus current consumption audio circuitry 85 mAtyp 100 mAmax current consumption control circuitry 35 mArTYyP 55 mAmax additional current consumption of TM HUM 5xW 25 mAtyp 45 mAmax audio interface USB except for TM HHA 6AW see Chapter B 5 control interface TIPRO bus control interface of TM HUM 5xW USB interface connectors gt left hand side Tipro bus connector 6 pin Micro MaTch header male at the end of a 100 mm long ribbon cable gt right hand side Tipro bus connector 6 pin Micro MaTch receptacle female on the PCB HANDSET TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 3 gt USB connector USB type B gt Handset connector RJ 6P 6C MECHANICAL casing plastic ABS black colour C15 net dimensions 70 x 222 x 66 W D H
12. ller another one with the USB Audio Codec Other specific details e g current consumption interfacing are pointed out in respective chapters hereby Figure BA Stand Alone USB Handset Module TM HUM 5AW BS USB Handset Module with Integrated Dat Pad TM HUx 5KW The USB handset either as a module TM HUA 5KW or the module with integrated Tipro USB controller TM HUM 5KW can optionally incorporate the Dial Pad with 12 mechanical keys to provide for more ergonomic dialling The keys are programmable in the same way as PTT key and Hook switch HANDSET TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION B 5 Figure B 4 USB Handset Module with Integrated Dial Pad TM HUx 5KW MECHANICAL KEYS e keyswitch gt model Cherry ML gt key travel 2 5mm to 3 0mm total gt actuating force 45 20 cN gt reliability Mean Cycles To Failure MCTF 1 billion 10 press release cycles 20 million is guaranteed minimum keycaps gt construction separate body and cover gt size single gt keycap bodies CN15 black colour gt key legends printed on the keycap bodies gt keycap covers transparent gt user customizable key legends pictograms to be printed on a thin paper and put underneath the keycap covers HANDSET TECHNICAL OVERVIEW e B INTEGRAL PARTS AND FUNCTIONALITY B 6 Bo Analogue Handset Module TM HHA 6A W The TM HHA 6AW is an analogue derivative of the handset module It lacks
13. lusively under Windows operating systems The Hook switch and the PushToTalk Mute key can be programmed to send a sequence of key codes exactly as being entered by a standard keyboard Respective LED indication can be configured as well C 1 Detecting Connect a FREE FREE BeFREE configuration comprising USB handset to a computer and run ChangeMe software The actual configuration is automatically detected and displayed on the desktop Click on the handset icon to open the settings e ChangeMe utility File Desktop Keyboard Tools Options Security 1 Handset Icon open Figure C 1 Example Configuration Touchmonitor and USB Handset C 2 Setting Up 8 Handset R Enter key content and select LEDs behavior for each event Oo Push to talk press IF x Content Push to talk release e F2 x CG ook switch waiting for call a x Indication E Hook switch active line F4 x Interface BUE OK Cancel Figure C 2 Handset Settings Dialog HANDSET TECHNICAL OVERVIEW TIPRO C CONFIGURING THE MODULE C 2 On the right hand side set what content is to be sent to the computer when the PTT key is pressed and released and when the handset is taken from the cradle active line and put back waiting for call On the left hand side select the colour of the LED indicators upon the respective action event In this example when the handset is lifted up Off Ho
14. me settings see Figure D 3 speaker STE Options Help Speaker Wave SW Synth Microphone Balance Balance Balance Balance Loudspeaker BIE S O o b 7 ob E Volume Volume Volume Volume Volume use 4udio Device Figure D 3 Speaker Settings The Microphone level can be adjusted by selecting Options Properties and then the recording part of the mixer The Microphone mixer will appear see Figure D 4 HANDSET TECHNICAL OVERVIEW L TIPRO D USING USB AUDIO D 3 EES oxi Options Help Microphone Balance Cd Microphone Volume Mute USB Audio Device Figure DA Microphone Settings D 3 Side Tone Feature The USB Handset offers the side tone feature integrated in its hardware When enabled a part of the microphone signal is being returned back to the loudspeaker thus providing an immediate acoustic feedback This feature enables the user to hear own speech also in the ear being covered by the earpiece of the handset what is especially important in noisy environments Level of the side tone can be set with the Microphone slider within the Speaker mixer The feature can be enabled disabled by checking the Mute checkbox see Figure D 5 BEE Options Help Speaker Wave SW Synth Microphone Balance Balance Balance Balance Pe eee i Pie Side Tone Level Volume Volume Volume Volume Tot g T Mute all IT Mute I Mute IV Mute
15. ok the lower LED turns from blue to green When the PTT key is pressed the system receives the key F1 and the upper LED turns from green to red OK saves the configuration and closes the dialog Cancel just closes the dialog C 3 Programming At the end of the process all parameters need to be programmed into the hardware for permanent storage H Gren d i Save SC Autodetect OP Update SP Uc SP vey G ron Preferences Figure C 3 Programming the Contents HANDSET TECHNICAL OVERVIEW TIPRO D USING USB AUDIO D 1 D USING USB AUDIO The USB Handset module implements a standard USB audio Codec Therefore no device specific driver is needed for the module to operate under Windows operating systems However it may or may not be the case with other operating systems such as Linux where it depends on the actual distribution kernel version etc D 1 Installation After first connection to a computer the operating system automatically detects a new hardware and installs the correct drivers The audio interface of the handset is recognized as a USB Audio Device see Figure D 1 BEE action view e gt CB Ga ag m Display adapters 0 A3 DVD CD ROM drives H 6 Floppy disk controllers H E Floppy disk drives IDE ATA ATAPI controllers H E Jungo Di Bi Keyboards 1 Da Mice and other pointing devices 3 Monitors gt Multifunction adapters e B i Netwo
16. rk adapters d Ports COM amp LPT 1 S SCSI and RAID controllers ch Sound video and game controllers Audio Codecs Legacy Audio Drivers Legacy Video Capture Devices Media Control Devices Realtek High Definition Audio video Codecs H System devices GC Universal Serial Bus controllers Figure D 1 Device Manager The preferred audio device can be set in sound and multimedia properties This preferred audio device is the audio device used by application software with the default audio settings see Figure D 2 Normally audio application software has its own settings to define specific audio device to be used These settings can override Windows settings and therefore need to be adjusted accordingly HANDSET TECHNICAL OVERVIEW D USING USB AUDIO D 2 Sounds and Multimedia Properties 2x Sounds Audio Hardware r Sound Playback di Preferred device d USB Audio Device Volume Advanced r Sound Recording A Preferred device fuse Audio Device D Volume Advanced m MIDI Music Playback is Preferred device aoe Microsoft GS Wavetable SW Synth D Volume About IV Use only preferred devices Cancel Apply Figure D 3 Sounds and Multimedia properties D 2 Volume Setting Both loudspeaker and microphone volume can be set with standard Microsoft mixer Double click on the speaker tray icon brings up the USB Audio Device volu
17. ule within the same configuration Alternatively for a stand alone application a special variant of the module with integrated controller TM HUM 5AW is also available see Chapter B 4 Both variants of the handset i e TM HUA 5KW and TM HUM 5KW can optionally incorporate the Dial Pad with 12 mechanical keys see Chapter B 5 to provide for more ergonomic dialling The keys are programmable in the same way as PTT key and Hook switch A 1 Highlights APPLICATIONS e dispatcher terminals banking amp trading consoles multifunctional control panels e digital telephony e g Voice over IP devices CONCEPT AND MODULARITY handset with integrated PushToTalk Mute key and Hook switch HANDSET TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 2 gt gt gt gt o combination of a USB audio device and an HID keyboard plug amp play operation with generic USB audio and USB HID keyboard drivers side tone generated internally by the hardware software adjustable volume loudspeaker and microphone and side tone level integrated acoustic shock protection circuitry combinable with other FREE FREE BeFREE add on modules e g touchcomputers touchmonitors Speakerbox Chameleon keypads ID modules into multifunctional terminals stand alone operation as a FREE FREE BeFREE module with integrated Tipro USB controller TM HUM 5AW optional analogue interface direct connection to the loudspea
Download Pdf Manuals
Related Search