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TB7100 Installation and Operation Manual

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1. 7 8 9 RF comms set Dunn 1112113 Oscilloscope TOE 010 REIN DUPLEKOUT AUDIQOUT AUDIOIN AUDIO MON OUT olo LL I 6S Es 000 0 Q OI A AC input BNC DC power supply TBBOSTU TBB TB7100 CTU UU SA Ce adapter e e 9 TBAOSTU TX ANT Rx Transmitter DC power SYSTEM L a ES SI board Receiver PROG MIC TMAA20 04 cable Test PC serial port serial port 12 DB9 NT2000 A19 cable T950 001 USB 1 1 to serial DB9 adapter optional pem D range ribbon cable TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Preparation for Operation 63 6 3 3 Link Settings 1 Remove the cover as detailed in Opening the Base Station on page 57 2 Set the following links on the SI board Note Links of the mandatory settings must be in the position indicated v Links ofthe optional s
2. yis Tx Ant Rx t DC Input System Serial Data Input om Connector Connector Fuse Connector Connector Connector Connector L m 195 1106 777 S RF RF connector 2 SI Board un 8 e E Temperature E 5 9 Factory e o Transmitter Sensor S 8 26 only amp zie S zB 23 Module a Be 2 5 S lt S User interface DC power 5 DC power J201 5 amp connector connector 1200 Auxiliary S Transmitter SI connector RF connector Z Receiver Module S User interf DC 5 A ser interface ower S Power Supply 34 connector connector Unit a Auxiliary S Receiver SI connector 3 5 PLS PLA Fan Power Board AC power PL6 PL3 Fan Fan PLS PL7 PL2 Receiver UI Transmitter UI UI Board SK1 Sk2 Speaker Fan SK3 Prog Mic Connector Configuration with AC power supply shown TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Functional Description 13 Frequency Bands and Sub bands RS 232 Signals Fan Signals
3. 57 6 Preparation for Operation 6 244 sis 99 3 DR 59 D See oe REE SS 59 Da Modeol ree he ek RE EIU eti Re pe EON Vd ob dd 60 G3 Line controlled Base s cosas esae ek RR GO E HERR d 61 6 3 Tes Eguipment s serris prens be bod wee dere fr 61 3 2 Test Egduiprment Seis oos qure thane steaks REA RUP ee n 62 6 33 Ink She eS E TEAS ESA RROD EES 64 654 Applyine Power 1 05 442445 we RRRORERIS ORA RC R X dex RR 65 305 qp RES DRE ens REP qq ERIS eG pp aeos 66 6 36 Kec wer Audio Level Ajeet dee burn 67 5 3 7 Receiver Functional Testing qaae dore REOR 68 4 TB7100 Installation and Operation Manual Tait Electronics LimitedNovember 2007 6 5 8 Trauseutter Audio Level RR Ra 69 5 5 0 Transmitter Functional Testing i526 oec ERES 70 Tal ECepestet IG Ga qid 71 OAM Test Reqd 25 12 632 Test bquapinent Sep RE RERO p n a 72 Oe pa m PF T Ta GAS Ponet costo ues we dude y REX OR Wd EE Ka ea aedes 74 GALS S Lo zc eek ee eked Chee ERG XS ES Ege dia 74 6 46 Andis Level Adyustinenf
4. mounted connector Receiver Pin Signal Name Signal Type Notes rT M IRCAUXGPO nput 2 RX AUX GPIO6 bidirectional digital input output 19 52 3 RX_AUX_GPIO5 bidirectional digital input output 4 RX_AUX_GPIO4 bidirectional digital input output d e 5 RX AUX RXD input data c mg 6 RX AUX TXD output data d m 7 RX AUX GPI3 input digital input cdm m 8 RX AUX GPI1 input digital input Ko 9 GPI2 input digital input 15d 16 10 RX AUD TAP OUT input receive audio 11 RX_RSSI input RSSI 12 RX AUD no 13 RX AUD IN no connection 14 RX GND ground ground 15 RX 13V8 no connection 16 N C no connection 54 Connections TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 4 2 3 UI Board Connectors User Interface Connector to Transmitter 1 1 21 e emu e em e em e em e em e emu e em e emu external view The user interface connector SK1 to the transmitter is a 16 way MicroMaTch connector Pin Signal Name Signal Type Notes 1 TX RX AUD no connection no connection 2 TX 413V8 SW no connection no connection 3 TX CH TXD output programming d
5. Celsius 90 194 Fahrenheit 80 e 176 70 158 60 140 Temperature Mc 30 29486 20 68 10 50 0 32 0 92 0 98 1 04 1 10 1 16 1 22 1 28 1 34 1 40 1 46 1 52 Voltage ting should be temperature controlled or always on This is because the user interface PTT line does not toggle the Tx key line on the system interface and the THSD is only on for short burst of time never allowing the fan time to spin up C Important When using THSD and the user interface PTT the fan set 6 14 External Channel Selection Channels can be selected externally using the digital I O lines This can be enabled using the TB7100 programming application and the links as below Link Settings 1 Remove the cover as detailed in Opening the Base Station on page 57 2 Set the jumper positions on the SI board to match Table 6 13 Refer to Figure 6 12 on page 101 for link locations 3 Fit the cover as detailed in Closing the Base Station on page 58 104 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Table 6 13 External channel selection link settings LINK W300 Name Pins 2 Position Fitted Not fitted Function When fitted this allows both transmit and receive modules to be controlled by the same external digital IO lines used for BCD used with W301 Comments Default Not fitted W301 Fi
6. Before carrying out these tests the base station must be configured as a line controlled base It must also be connected to the test equipment as described in Test Equipment Setup on page 62 Set up the test set to measure the modulation level and frequency Ensure the test set audio output is turned off or disconnect the CTU audio input from the test set Activate the Tx Key switch on the CTU Verify that the measured frequency and deviation of the CTCSS match the programmed settings If the measured value does not agree with the programmed set tings the transmitter module is either faulty or needs recalibrating Connect the balanced audio output from the CTU to the audio input port on the test set Set up the test set to measure the audio level and distortion Set the RF signal generator to the correct RF frequency modulated with a 1kHz audio tone at 60 of full system deviation Set the RF output level to 70dBm Verify that the busy LED on the front panel of the base station turns on but the Rx gate LED on the CTU does not turn on and no audio output is detected from the balanced line output Modulate the carrier with the required subaudible signalling Verify that the Rx gate LED on the CTU turns on and that the 1kHz audio tone is detected by the test set and that the measured distortion level is within the receiver specifications Turn off the subaudible signal and check that the audio output mutes
7. Re bees 74 6 4 7 Talk Through Repeater Functional Testing 74 6 4 8 Alternate Talk Through Repeater Configuration 75 bo aee ER ERO ACE a Ue PERE OSS EEE REC HERS 76 531 Tes Retired 2 2 EENS 76 6 5 2 Test Setup succes perc cR R9 77 pO Du T E Dci Aue eo dd 77 God POUSE asco xe hee eda ee eR RE Ua RSE ed cR s 79 005 PONN oo bck Sete wkd badd Sede ees 49 5 55 Audio Level amp dpusunent 79 65 7 Programming for PSK OpersoD Lriazaksacd 79 D 5 8 Programming for THSD Operation 81 PEE VI HERE Bee EES T ERR 84 eb Ty eer LP Se bed eed BESS be eee 85 GA LE SONS Loco kao ex EO eee cee eee ee hehe cedo es dies 85 oA UD Power eu create ip acess riga 86 87 GGA Audo Levl ges REG YT ES 87 6 6 5 Data Repeater Functional Testing Re 87 Bo Ta Net do ead pe Ra CER Up RR bids 88 SR Eu cari ble okies Er 88 OA ER Rd AA au XE PP 88 6 8 2 TB7100 Programming Application siege TR 88 68 3 Mandatory Settings ie cc esiase e se
8. ERE 36 3 3 4 Health Safety and Electromagnetic Compatibility in Europe 36 3 4 ossa cca ced ERA IE dees 37 SI Operitng Temperature Rant uus ases eh RR 37 S42 uae gap E 37 MI Ingo PLU 37 3 5 Grounding and Lightning Protections decti seirer kidda 37 AG OE eu des debui E A 37 20 adeeb m PEE FR does 38 Ao Recommended Tools sere erede de ak e en ro brad dod d 38 2 EREDBRUDH koe WU quier eek hare eee E 38 3 8 the Base 40 3 8 Unpacking the 2222294023 nir Erer Aa 40 38 2 Power Supply Options seeks RR EROR RR 41 3 83 Mounong tie Base SAHOD sre qe rack Roe REX RR 42 184 PTT ET 43 45 A 1a 3 4 XC OR EA ACRI ACC d ORC ac OWES dos d 45 AL Eemal lt M ai acus uei dates abe te kt ate us was Rida ee 46 42 Internal Connector ea lt c40 65444465 oe bbs Redd ERS SE dep RO d eR do bes 51 4 2 1 Transmitter and Receiver Connectors 0 002000 00 51 SD Boat DISQUES wos i ose eke ee tt dese yd 53 423 UU Bog Connect a i e OE IRE AS CR HR RUE Gee 55 5 Opening and Closing the Base Station
9. You can also obtain the TBAOST2 tool kit from your nearest Tait dealer or Customer Service Organisation It contains the basic tools needed to install tune and service the base station Ventilation Cabinet and Rack Ventilation 38 Installation Always ensure there 1s adequate ventilation around the base station Do not operate at high duty cycles in a sealed cabinet You must keep the ambient temperature within the specified range and we strongly recommend you ensure that the cooling airflow is not restricted Important The cooling fans are mounted behind the front panel To ensure adequate airflow through the base station do not operate it for more than a few minutes with the fans discon nected e g for servicing purposes Refer to Figure 3 2 on page 39 Adequate cooling airflow 15 critical to the performance of the base station The cooling airflow for the base station enters through the front panel and exits at the rear of the tray For optimum thermal performance the heated TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Figure3 2 Typical cabinet ventilation requirements top view 20cm 8in side view front view Tm b 25520 MM s S J 68880 2 ii i iii
10. 25W Version Output of RF Power Amplifier Power Control The RF power amplifier and exciter of the 50W 40W radio is a five stage line up with approximately 40dB of power gain The output of the frequency synthesizer is first buffered to reduce kick during power ramping The buffer output goes to a discrete exciter that produces approximately 300 to 400mW output This is followed by an LDMOS driver producing up to 8W output that is power controlled The final stage consists of two parallel LDMOS devices producing enough power to provide 40 to 50W at the RF connector The RF power amplifier of the 25 W version is a four stage line up with approximately 37 dB of power gain The output of the frequency synthesizer 1s first buffered to reduce kick during power ramping The buffer output goes to a broad band exciter IC that produces approximately 200mW output This is followed by an LDMOS driver producing up to 2W output that is power controlled The final stage consists of two parallel LDMOS devices producing enough power to provide 25 at the RF connector The output ofthe PA passes through dual directional coupler used for power control and monitoring Finally the output is low pass filtered to bring harmonic levels within specification The steady state power output of the transmitter is regulated using a hardware control loop The forward power output from the RF PA is sensed by the directional coupler and fed back to the pow
11. mug Bh Se ogre 31 LE zz g j Dace E BO anie ar 8 EED 1 5 2523 7502 ro Eg 100 iie ien 08 3003239848 53 00 2 S Usoda so v sod 1203 et e siir 151 ae o WS aat gt UE ad fea E 5 08 8980 8507 ao 002 eee PCB version 220 02077 06 shown 1221 1400 6 6 2 Applying Power Before turning on the base station check that m all looms and cables at the front and rear of the base station are fitted correctly m all connectors are secure m the 20A fuse is fitted Turn on the power supply and check that the base station powers up correctly m The power LED on the user interface lights up m The LCD indicates the current channel number 86 Preparation for Operation TB7100 Installation and Operation Manual Electronics Limited November 2007 6 6 3 Programming Please see the line controlled base Programming on page 66 for details on how to program the base station for RF modem operation 6 6 4 Audio Level Adjustment In this configuration the system interface connector is not used so it is not necessary to set the line level or line Sensitivity 6 6 5 Data Repeater Functional Testing In order to verify the correct operation as a data repeater a basic functional test can be carried out Th
12. ud ii RM D od gt 41 OMIM E TIT fs DM E 2 VU D ventilation slots 2 blanking panels 3 airflow entry 4 airflow exit TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Installation 39 Auxiliary Extractor Fans 3 8 3 8 1 air that has passed through a base station must not be allowed to re enter the air intakes on the front panel Each base station requires an unobstructed airflow of 18m h 11 cfm To allow enough cooling airflow through a cabinet mounted base station we recommend the following m adistance of 5cm minimum clearance to any obstruction to the front of the tray m an open area of at least 50cm 8sq in per tray of ventilation slots or louvres in front of the air intakes for the fans for each tray for example ten 6 85 mm 0 25X3 31n slots will allow the recommended airflow m a distance of 10cm minimum clearance to any obstruction to the rear of the tray m an open area of at least 50cm 8sq in per tray of ventilation slots or louvres in the top of the cabinet or to the rear of each tray m a2U gap at the top of the cabinet Note ventilation opening must be unrestricted If the slots or holes are covered with a filter mesh or grille the open area must be increased to allow the same airflow as an unrestricted opening The maximum
13. 4 Auxiliary S Transmitter SI connector S RF RF connector 2 Receiver Module S User interface DC power 5 DC power AC 5 User i power 5 connector connector Power uds Unit Auxiliary Receiver SI connector a 2 Fan power 3 5 PL5 4 Fan Power Board AC power PL6 PL3 Fan Fan PLS PL7 PL2 Receiver UI Transmitter UI UI Board ski 5 2 Speaker Fan SK3 Prog Mic Connector Configuration with internal AC power supply unit shown For information on the factory connector and the internal options connector of the transmitter and receiver refer to the PCB information TB7100 Installation and Operation Manual Connections 45 Tait Electronics Limited November 2007 4 1 External Connectors Figure 4 2 shows the external connectors Figure 4 2 External connectors configuration with internal AC Power supply unit shown programming microphone connector PROG MIC C CHANNEL POWER Tx BUSY Lu Fa VOLUME C o o A EE es 5535 Mil C i FUSE 0 J o sco 7 7 Ou l C AC power serial data system DC power rec
14. EORR ORE 90 5B User deimed Sete oa cas ee eke kp dcrea eda Rb d 91 3 5 Recommended dH ERE PES 95 550 POMC Eus cun EREA 96 98 6 10 Adding Subaudible Signalling A 98 641 Enabling Subauchble Signaling a ou d 98 5 10 2 Testing Subaudible Signalling 99 6 10 5 Multiple Subaudible Tones RRG ERROR E 99 ill LECT Cheek eee ESSA Rp buta ERR 100 5 12 Tone Cin Tile PUT nues CoS REESE DEES 102 Part ccc seek cine e Cee SEER ES ur da E REG C PR ee SER ds 103 5 14 External Channel SelBcUOls assesses i da 104 Tr I 105 6 16 Channel Increment and Decrement by Function Keys 106 5 17 Continuous Wave Identification CWID iouis sux RE kaa bo 55 106 TB7100 Installation and Operation Manual 5 O Tait Electronics LimitedNovember 2007 DL and Fe ood seg ates eee se ees 106 7 Maintenance Guide i602 b Rake XS RARE RG ERA EG REOR RE GR E E 107 E MET T ELI DEI LLLI TTL ee ee E 109 Directive 1999 5 EC Declaration of 121 6 TB7100 Installation and Operation Manual Tait Electronic
15. It is beyond the scope of this manual to list every check that you should perform on your base station The type and frequency of maintenance checks will depend on the location and type of your system The checks and procedures listed below can be used as a starting point for your maintenance schedule We suggest you monitor the following operational parameters VSWR DC input voltage especially on transmit receiver sensitivity the setting of the receiver gate opening transmit deviation These basic checks will provide an overview of how well your base station 15 operating There are no special maintenance requirements for the receiver There are no special maintenance requirements for the transmitter There are no special maintenance requirements for the System interface The base station has been designed to have a front to back cooling airflow We strongly recommend that you periodically check and maintain the ventilation requirements described in Ventilation on page 38 to ensure a long life and trouble free operation for your base station The cooling fans have a long service life and have no special maintenance requirements Battery If you are using battery you should check the batteries regularly in accordance with the manufacturer s recommendations TB7100 Installation and Operation Manual Maintenance Guide 107 Tait Electronics Limited November 2007 108 Maintenance Guide TB7100 Installation and Operatio
16. again If high distortion is measured it is likely that the subaudible signal is not being filtered out Verify that the receiver is programmed with the correct audio tap out point 6 10 3 Multiple Subaudible Tones The base station cannot decode multiple subaudible tones on a single channel This can be overcome by two methods Method 1 Third party equipment is available that can be connected to the base station to perform the decoding and regeneration of multiple tones TB7100 Installation and Operation Manual Preparation for Operation 99 Tait Electronics Limited November 2007 Method 2 Potential Problems 2 The base station repeater can be configured to simply pass through any subaudible tone 1 The receiver must not be programmed with any subaudible tones in the channel table 2 The Rx tap out point in the receiver Programmable I O audio tab must be left as the default value of R4 This means that an incoming tone code is not filtered out by the receiver 3 The transmitter must be programmed not to generate any subaudible tones 4 The Tx In point in the transmitter Programmable I O audio tab must be left as the default value of T8 This means that an incoming tone code is not filtered out by the transmitter and will be re transmitted 1 The Rx gate may close before end of reverse tone burst This means the re transmitted RTB may be shorter than incoming A Tx tail soft off should
17. carrier wave identification 6 10 Adding Subaudible Signalling The base station is able to decode one CTCSS or DCS tone per channel It can also generate one CTCSS or DCS tone per channel The generated tone can be the same as the received tone or can be a different tone 6 10 1 Enabling Subaudible Signalling Transmitter Module 1 Read the data file out of the transmitter module 2 Open the channels form and select required tone in the Tx Sig column 3 Open the Networks gt Basic Settings gt Subaudible Signalling tab and configure the subaudible signalling settings the defaults are suitable for most applications 4 Program the new settings into the transmitter Receiver Module 1 Read the data file out of the receiver module 2 Open the channels table and select the required tone in the Rx Sig column 3 Open the Networks gt Basic Settings gt Subaudible Signalling tab and configure the subaudible signalling settings the defaults are suitable for most applications 4 The Rx tap out point in the receiver Programmable I O audio tab must be changed to R5 This means that an incoming tone code is filtered out by the receiver 5 Program the new settings into the receiver 98 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 6 10 2 Testing Subaudible Signalling Tx Subaudible Signalling Deviation Rx Subaudible Signalling Decode
18. g ss ss Stee eo zig Tid n lt o wll Ba Hier gt v o UT ET g m 4 WI Ive I 4 800 8 seoceces 8250 02 1002200080692 5 fzi Sam 5 a Ed fads 5098 sod 8 qt E Sie mtu Ska aa 2 el ss SE Suey i 1 sq i 15 gomm TS Be 200 uuu E 8 1 eq eg 5 amp EJ wo e ra nm j 08 mm elz e 022 s e PCB version 220 02077 06 shown 1221 1400 78 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 6 5 4 6 5 5 6 5 6 6 5 7 Transmitter Applying Power Before turning on the base station check that m all looms and cables at the front and rear of the base station are fitted correctly m all connectors are secure m the 20 fuse is fitted Turn on the power supply and check that the base station powers up correctly m The power LED on the user interface lights up m The LCD indicates the current channel number Programming Please see the line controlled base Programming on page 66 for details on how to program the base station for RF modem operation Audio Level Adjustment In this co
19. 2 Set the signal generator to the correct frequency 3 Set the level to 100dBm 4 Verify the RSSI voltage is 1 1 V x300mV Note If necessary adjust the RF level from 50dBm to 115 dBm and EJ verify that the RSSI voltage changes at 25 mV dB Mute Thresholds The mute thresholds can be measured using either the balanced or unbalanced output 1 Connect the required audio output from the CTU to the audio input port on the test set 2 Set up the test set to measure the SINAD level 3 Set the signal generator to the correct frequency modulated with a 1 kHz audio tone at 60 of full system deviation 68 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Distortion E Note Note Set the RF output level to 70 dBm Verify that the receiver gate opens and the busy LED turns on Reduce the RF level until the mute closes This RF level is the mute close threshold Increase the RF level until the mute opens This RF level is the mute open threshold The difference between these two levels is the mute hysteresis The mute thresholds are determined by the squelch setting pro grammed in the receiver s channel table If the thresholds are not suitable use the calibration application to change the squelch setting on the channel table The Rx Distortion can be measured using either the balanced or unbalanced output Note Before be
20. Closing the Base Station 57 Tait Electronics Limited November 2007 Closing the 1 Place the tray cover onto the chassis Base Station 2 Use a Torx T10 torque driver to fasten the tray cover with the countersunk screws to 4 56 0 5 3 Fit the fuse at the rear of the base station 58 Opening and Closing the Base Station TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 6 Preparation for Operation 6 1 Introductio n The base station operation can be modified by the use of links see Table 6 1 and programmable settings The base station can be configured for operation in the following basic modes of operation m Line controlled base The base station transmit audio and key is derived via the system interface Audio response is link selectable m Talk through repeater voice The receiver audio is directly connected to the transmitter and the transmitter is keyed by the receiver gate Audio response in this mode is software selectable m modem Data on the serial interface is connected to the transmitter and the receiver m Data repeater The received data line is connected to the transmit data line receiver gate and transmitter key signals are not used m TaitNet trunking Table 6 1 System Interface links Link Function Setting J206 Fan Control 1 2 J207 Controlled 2 3 Always On J207 Fan Control 1 2 Tx Key Controlled 2 3 Temper
21. Connectors The internal connectors of the transmitter and receiver are the same for both modules Note Whilst the internal connectors may be physically similar the sig nals on the user interface connectors are different for the transmit ter and the receiver The RF connectors of the transmitter and the receiver are N type connectors with an impedance of 500 DC Power The DC power connectors of the transmitter and the receiver are the Connectors interface for the primary 13 8V power source There are different DC power connectors for the 50W 40W and 25W versions Pin Signal name Signal type Notes 2 SPK analog output not connected AON 3 SPK analog output not connected external view _ 4 13 8VDC DC power input 19019 external view TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Connections 51 Auxiliary The auxiliary connectors of the transmitter and receiver are 15 way Connectors standard density D range sockets Pin Signal Name Signal Type Notes rT H AUXGPIO7 bidirectional Rx Gate I x Key 2 AUX GPIO5 bidirectional BCD 3 default 9 3 AUX RXD input 4 AUX GPI3 input BCD 2 default 5 AUXGPI2 input BCD 1 default D 6 RSSI output G 7 AUX TAP IN input 8 8 13 8VDC SW output 9 AUX GPIO6 bidirectional 10 AUX GPIO4 b
22. Kema op a kee een Geeky we EB p RO 31 2044 Rer QR eR dag ev RR 31 Veer 21 24 10 Fan Control 31 CAN RAS es 444064844 28 REGGE EA dw dd 31 31 2413 B aeger OnE 32 2S POO 32 2 IRSE dosi Poe Ou de d dede dede oboe RUP Ue mie 33 A Sas ras E Ad dd oed ded eid dese dede aan 33 41 1 Lethal Voliagita secas dA RE Ge eas edd 33 alae AL POST LOBDECHON E 34 3 1 5 Explosive ox EROR PE NORTON REC CR s 34 JIA Proxinnty to RF ea ew EA ER 34 TB7100 Installation and Operation Manual 3 O Tait Electronics LimitedNovember 2007 Sd Tigh Veiner a esc ce eRe ed eee Mos owe dd 34 316 LED Safety ENG0825 1 ccs ecards ese bis RR RS qx 34 d Rupert dle RRR ek hee eee ase KR eee es 35 PP rrr 35 Anena 35 2 5 JIgulpationb 35 3 2 4 Installation and Servicing Personnel 36 Ao DNOHOJHOD os sas REPE ARR Rd SERA Y EE a d 36 dl o PRCA EON aues Re ehh Geet bene Red deditio 36 B 3 POC COMPING oo dcs eda bed Xr ee ed pa pope sea Rub anes 36 3 3 3 Unauthorised Modifications
23. LICENCE AT ANY TIME BY DESTROYING ALL COPIES OF THE SOFTWARE OR FIRMWARE AND ASSOCIATED WRITTEN MATERIALS THIS LICENCE WILL BE TERMINATED AUTOMATICALLY AND WITHOUT NOTICE FROM IN THE EVENT THAT THE LICENSEE FAILS TO COMPLY WITH ANY TERM OR CONDITION OF THIS AGREEMENT THE LICENSEE AGREES TO DESTROY ALL COPIES OF THE SOFTWARE OR FIRMWARE AND ASSOCIATED WRITTEN MATERIALS IN THE EVENT OF SUCH TERMINATION 119 Limited Warranty THE SOFTWARE OR FIRMWARE INCLUDING OPEN SOURCE COMPONENTS IS SUPPLIED BY TAIT AND ACCEPTED BY THE LICENSEE IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT BEING LIMITED TO ANY IMPLIED WARRANTIES AS TO MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE THE LICENSEE ACKNOWLEDGES THAT THE SOFTWARE OR FIRMWARE INCLUDING OPEN SOURCE COMPONENTS IS USED BY IT IN BUSINESS AND ACCORDINGLY TO THE MAXIMUM EXTENT PERMITTED BY LAW NO TERMS OR WARRANTIES WHICH ARE IMPLIED BY LEGISLATION SHALL APPLY TO THIS AGREEMENT TAIT DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THE SOFTWARE OR FIRMWARE INCLUDING OPEN SOURCE COMPONENTS WILL MEET THE LICENSEE S REQUIREMENTS OR THAT THE OPERATION OF THE SOFTWARE OR FIRMWARE INCLUDING OPEN SOURCE COMPONENTS WILL BE UNINTERRUPTED OR ERROR FREE Exclusion of Liability IN NO CIRCUMSTANCES SHALL TAIT BE UNDER ANY LIABILITY TO THE LICENSEE OR ANY OTHER PERSON WHATSOEVER WHETHER IN TORT INCLUDING NEGLIGENCE CONTRACT E
24. a single frequency in a simplex system Note Different channels may have identical frequencies while other operating parameters may be different Channel spacing is the frequency difference between adjacent channels The channel table is the base station s database of channel configurations When a radio s noise mute threshold is programmed for city squelch the radio is less sensitive to interference than if programmed for country squelch and so stronger signals are required for the radio s speaker to unmute City squelch is also known as local squelch An IC which combines analog to digital conversion coding and digital to analog conversion decoding A configuration file consists of all the configuration settings needed for a base station stored as a file in the configurations folder Configuration files have the extension t7p The TB7100 uses two files one for the receiver and one for the transmitter TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 country squelch CTCSS CTCSS DCS filter CTU CWID DAC DCS de emphasis digital signal processor Duplexer duty cycle TB7100 Installation and Operation Manual When a radios squelch threshold is programmed for country squelch the radio is more sensitive than if programmed for city squelch and so the radio s speaker unmutes more readily When programmed for country squelch the radio can be used in areas where th
25. and the TB7100 programming application digital voltmeter DC power supply RF test set with m RF power meter m modulation analyser TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 m signal generator sinad meter m audio distortion meter m audio level meter m audio signal generator Calibration TestUnit The CTU is used to configure and test the base station The same CTU is CTU used for TB8000 and TB9000 base station equipment so only some of the features on the CTU apply to the TB7100 base station The CTU adaptor is plugged into the system connector of the CTU The CTU cable is plugged into the system connector of the base station For more information on the CTU refer to the TBAOSTU TBAOSTP Calibration and Test Unit Operation Manual 00013 6 5 2 Test Equipment Setup 1 6 5 3 Link Settings 1 2 3 m Note Connect the PC to the programming port on the front panel of the base station See Connecting to the PC on page 88 Connect the receiver N type connector to the RF test set signal generator output port Connect the transmitter N type connector to the RF test set power and modulation meter input port check the test set is rated for the transmit power of the base station Connect the 13 8 V power supply to the DC input on the base station ensuring correct polarity Remove the cover as detailed in Opening the Base Station on pa
26. as transmitter m FN2 Preset Channel same as transmitter m FN3 Preset Channel same as transmitter m FN4 Monitor Squelch override Open the data form and in the general tab m Inthe command mode section disable all check boxes m Inthe transparent mode section select transparent mode enabled and de select the other check boxes m Set Power Up State to FFSK transparent mode Open the data form and in the serial communications tab m Inthe serial communications setup field set the FFSK transparent mode baud rate to 1200 the Flow control to None and the data port to the required data port m Ensure hardware flow control is set to None Open the data form modems tab The THSD modem settings do not apply and can be ignored In the FFSK modem section set up the following m Ignore CTCSS DCS can be disabled CTCSS DCS is not used in this example m Enable Check Packet Length m Disable FFSK Tone Blanking m FFSK Lead In Delay default of 500ms is suitable but can be changed m FFSK Lead Out Delay default of 200ms is suitable but can be changed Program the receiver 6 5 8 Programming for THSD Operation Transmitter 1 Read the transmitter or start with a new transmitter data file 2 Use the reset to defaults command under the file menu to ensure all the mandatory and recommended settings are in their correct default states 3 Open the specifications form and select the correct RF band 4 Open the chann
27. be added to overcome this 2 There is no security for repeaters as any on frequency transmission will be repeated even if it has no subaudible tone 6 11 Soft Off Tx Tail Time New Firmware with or without subaudible signalling Older Firmware with subaudible signalling Older Firmware without subaudible signalling 100 Preparation for Operation For systems with firmware version 2 10 00 07 or later and TB7100 programming application version 1 10 00 0001 or later m Enter a delay time between default and 5000ms in the PTT Deactivation Delay field of the PTT gt Ext PTT 1 tab For systems with firmware versions before 2 10 00 07 and TB7100 programming application versions before 1 10 00 0001 If subaudible signalling is used m Adda Tx tail time using the Networks gt Basic Settings gt Subaudible Signalling tab A lead out delay can be entered in the appropriate field If subaudible signalling is not used adding a lead out delay will have no effect If soft off operation is still required create a Tx tail time as follows 1 Remove the cover as detailed in Opening the Base Station on page 57 2 Link GPIO6 and AUX_GPIO7 of the transmitter with link W302 on the SI board as per Table 6 10 Refer to Figure 6 12 on page 101 for link locations TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 3 Fit the cover as detailed in Closing the Base Sta
28. books C Important This equipment contains devices which are susceptible to We recommend you purchase an antistatic bench kit from a reputable manufacturer and install and test it according to the manufacturer s instructions Figure 3 1 shows a typical antistatic bench set up You can obtain further information on antistatic precautions and the dangers of electrostatic discharge ESD from standards such as ANSI ESD 520 20 1999 or BS EN 100015 4 1994 Figure 3 1 Typical antistatic bench set up conductive wrist strap dissipative rubber bench mat common point ground building ground or mains ground via 1MQ series resistor 3 2 2 Antenna Load The base station has been designed to operate safely under a wide range of antenna loading conditions However damage will occur if the load is removed while the base station is transmitting Transmitting into a low VSWR will maximise the power delivered to the antenna 3 2 3 Equipment Grounding To ensure safe operation the base station must be correctly grounded as described in these installation instructions TB7100 Installation and Operation Manual Installation 35 Tait Electronics Limited November 2007 3 2 4 Installation and Servicing Personnel The base station should be installed and serviced only by qualified personnel 3 3 Regulatory Information 3 3 1 Distress Frequencies The 406 to 406 1 MHz freque
29. is a talk through repeater when its audio path is configured to pass the audio it receives on to the transmitter and its receiver gate signal is configured to key the transmitter Tait High Speed Data THSD is a proprietary data protocol THSD uses a four level frequency shift keying modulation scheme The term toggle is used to describe the switching between two states A tone is an audio signal of a particular frequency On Idle TOI is an audio tone used the receiver output to indicate when the base station is idle TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 transmit Tx frequency transmit lockout Tx U unbalanced line User Defined Settings user interface V valid signal visual indicator VSWR W Watchdog TB7100 Installation and Operation Manual The transmit frequency is the frequency that all outgoing transmissions are made on The transmit lockout feature prevents the base station from transmitting for a time once the transmit timer has expired is an abbreviation for transmit or transmitter An unbalanced line has one wire earthed It is typically used for short connections for example between a base station and a repeater on the same site The system interface identifies the wires of unbalanced lines with Rx audio output Tx audio input and Ground The User Defined Settings are settings in the programming application that are
30. is able to occur concurrently with minimal loop interaction owing to the very large difference in frequency step size between the loops In the RF PLL the loop bandwidth is initially set high by increasing the charge pump current and reducing time constants in the loop filter Asa result settling to within 1 KHz of the final value occurs in under 4ms In order to meet noise performance requirements the loop parameters are then switched to reduce the loop bandwidth There is a small frequency kick as the loop bandwidth is reduced Total settling time is under 4 5 ms The FCL utilises self calibration techniques that enable it to rapidly settle close to the final value while the loop is open The loop is then closed and settling to the final value occurs with an associated reduction in noise The total settling time is typically less than 4 ms The following items are calibrated in the frequency synthesizer m nominal frequency m KVCO m KVCXO m VCO deviation Calibration of the nominal frequency is achieved by adding a fixed offset to the FCL nominal frequency the TCXO frequency itself is not adjusted The items KVCO and KVCXO are the control sensitivities of the RF VCO in MHz V and VCXO in kHz V respectively The latter has temperature compensation Functional Description 21 O Tait Electronics Limited November 2007 2 2 3 RF Power Amplifier RF Power Amplifier and Switching 50W 40W Version RF Power Amplifier and Switching
31. makes extensive use of digital and DSP technology Many operating parameters such as channel spacing audio bandwidth and signalling are controlled by software This manual includes the information required for installing and operating the base station This section describes the different options available for m frequency bands output power power supply mechanical configurations product codes For specifications refer to the specifications manual or the area on the TaitWorld website reserved for TB7100 products TB7100 Installation and Operation Manual Introduction 9 Electronics Limited November 2007 1 1 Frequency Bands The base station is available in the following frequency bands 66 to 88MHz A4 136 to 174MHz B1 174 to 225 MHz 216 to 266MHz D1 350 to 400MHz G2 400 to 470MHz H5 450 to 5350MHz H6 450 to 520MHz H7 The band of the base station is implemented by the frequency band of the transmitter and receiver modules 1 2 RF Output Power The base station is available with 25 W and 50W 40W output power The RF output power options are implemented by different transmitter and receiver modules m A4 B1 CO D1 H5 H6 The 50 40 W base station is available in the following frequency bands Bt m G2 40 m H5 40W m H7 40W The 25 W base station is available in the following frequency bands 25 10 Introduction TB7100 Installation
32. on page 57 2 Set the following links on the SI board Links ofthe optional settings must be in one ofthe positions listed The defaults are generally recommended Note Links of the mandatory settings must be in the position indicated 3 Fit the cover as detailed in Closing the Base Station on page 58 Table 6 8 Data repeater mandatory settings LINK Name Pins Position Function Comments J221 RS232 Loop 3 2 3 RS 232 looped back Back J400 Tx Key 3 1 2 External Tx key source Use this setting because the transmitter will automatically key up when there is data to send so should not be keyed by the receiver gate Source TB7100 Installation and Operation Manual Preparation for Operation 85 Tait Electronics Limited November 2007 Table 6 9 Data repeater optional settings LINK Pins Position Function Comments J206 3 1 2 Fan controlled by J207 Default position is 1 2 2 3 Fan always on J207 3 2 3 Fan temperature controlled Do not use position 1 2 Tx key activated fan The transmitter will automatically key up when there is data to send This will not activate the Tx key line and therefore will not activate the fan Figure 6 10 Link positions on the SI board 1207 1206 alan ben D pu annie E 35 Ei 3 H 005020062005001 8 5 3 ss ze
33. on the CTU apply to the TB7100 base station The CTU adaptor is plugged into the system connector of the CTU The CTU cable is plugged into the system connector of the base station Note Do not plug the adaptor into the base station it must be plugged into the CTU For more information on the CTU refer to the TBAOSTU TBAOSTP Calibration and Test Unit Operation Manual 00013 6 3 2 Test Equipment Setup 1 Connect the PC to the programming port on the front panel of the base station See Connecting to the PC on page 88 2 Plug the adaptor into the system connector on the CTU Connect the adaptor cable to the system connector of the base station Note Connections between the CTU and the test equipment will vary and are described in the relevant test steps 3 Ensure all switches on the CTU are in the 1 or OFF position inactive 4 Connect the receiver N type connector to the RF test set signal generator output port 5 Connect the transmitter N type connector to the RF test set power and modulation meter input port check the test set is rated for the transmit power of the base station 62 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Figure 6 2 6 Connect the 13 8V power supply to the DC input on the base station ensuring correct polarity Test setup with CTU TBAOSTU 7
34. on the compliance standards to which the base station has been tested and approved 36 Installation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Declaration of Conformity For Customers in Luxembourg license requirements must be observed Limitations may apply to transmitter power operating frequency channel spacing and emission Brief Declarations of Conformity appear on page 121 You can download the formal Declaration of Conformity from http eudocs taitworld com You can also obtain a signed and dated paper copy of the Declaration of Conformity from Tait Europe Ltd This equipment must not be operated as a data repeater in Luxembourg unless it is used in conjunction with an approved Channel Access Controller that meets the requirements of ETSI standard EN 300 471 3 4 Environmental Conditions 3 4 1 Operating Temperature Range The operating temperature range is 30 C to 60 C 22 F to 140 F ambient temperature for the 25 W base station and 30 C to 50 C 22 F to 122 F ambient temperature for the 50W and 40W base stations Ambient temperature is defined as the temperature of the air at the intake to the cooling fans 3 4 2 Humidity The humidity should not exceed 95 relative humidity through the specified operating temperature range 3 4 3 Dust and Dirt For uncontrolled environments the level of airborne particulates must not exceed 100 3
35. set the FFSK transparent mode baud rate to 1200 the Flow control to None and the data port to the required data port m Ensure hardware flow control is set to None 9 Open the data form modems tab The THSD modem settings do not apply and can be ignored In the FFSK modem section set up the following m Ignore CTCSS DCS can be disabled CTCSS DCS is not used in this example m Enable Check Packet Length m Disable FFSK Tone Blanking m FFSK Lead In Delay default of 500ms is suitable but can be changed m FFSK Lead Out Delay default of 200ms is suitable but can be changed 10 Program the transmitter Receiver 1 Read the receiver or start with a new receiver data file 2 Use the reset to defaults command under the file menu to ensure all the mandatory and recommended settings are in their correct default states Open the specifications form and select the correct RF band 4 Open the channels form summary tab Add as many channels as are required and for each channel enter the following m receive frequency m Rxsubaudible signalling value m squelch setting m bandwidth 5 Open the channels form details tab and for each channel check the use channel for data check box 80 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 10 Open the key settings form and select the required function for each function key For example m FN1 Preset Channel same
36. specific to the customers application These are the only settings that need to be changed when configuring a TB7100 for operation The user interface panel is an area at the front of the base station with buttons LEDs and other controls that let you interact with the base station A valid signal is a signal that the receiver responds to by opening the receiver gate A signal is valid for example when it is stronger than a minimum level and when it has the specified subtone The term visual indicator refers to a visual cue the radio gives to provide feedback to the user Visual indicators are used in combination with audible indicators Visual indicators include LEDs and LCD display text Voltage Standing Wave Ratio VSWR is the ratio of the maximum peak voltage anywhere on the line to the minimum value anywhere on the line A perfectly matched line has a VSWR of 1 1 A high ratio indicates that the antenna subsystem is poorly matched A watchdog circuit checks that the system is still responding If the system does not respond because the firmware has locked up the circuit resets the system Glossary 117 Tait Electronics Limited November 2007 118 Glossary TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Tait General Software Licence Agreement This legal document is an Agreement between you the Licensee and Tait Electronics Limited Tait By using any ofthe Software or Fi
37. two way radio system and ensures more reliable performance in areas where signals are reflected or attenuated by buildings or terrain In a repeater based system the radio s transmit frequency is the frequency the repeater is listening on and the radios receive frequency is the frequency the repeater re broadcasts signals on Reverse tone bursts RTB can be used with CTCSS When reverse tone bursts are enabled the phase ofthe generated tones is reversed for a number of cycles just before transmission ceases If the receiver is configured for reverse tone burst it responds by closing its gate faster than if the RTB were not transmitted stands for radio frequency and refers to the part of the electromagnetic spectrum used to transmit radio and television signals RSSI Received Signal Strength Indicator feature that indicates the strength of the received signal Rx is an abbreviation for receive or receiver Selcall stands for selective calling which is a signalling system that uses sequences of audible tones to isolate calls intended for specific radios Each radio operating on a Selcall network can have a unique identity assigned Selcall is sometimes called multi tone or five tone Glossary 115 Tait Electronics Limited November 2007 sensitivity signalling signalling mute SINAD subaudible signalling subtone switching range system interface T TB7100 Base Station TCXO Talk Through Rep
38. we recommend that you recycle it according to your local recycling methods The foam cushions are CFC and HCFC free and may be burnt in a suitable waste to energy combustion facility or compacted in landfill Power Supply Options The base station is available with or without an internal AC power supply unit All base stations have an external DC input power connector which is used as main power supply when no internal AC power supply unit is fitted When the internal AC power supply unit is fitted the DC input can be used as a DC backup power option In case of AC mains failure the base station will automatically and seamlessly switch to DC power input If no internal AC power supply unit is fitted an external Tait T809 10 87xx power supply can be used to supply the DC voltage required TB7100 Installation and Operation Manual Installation 41 Tait Electronics Limited November 2007 3 8 3 Mounting the Base Station 1 Fit the base station into the cabinet or rack and secure it firmly with an M6 0 25in if you are using imperial fittings screw flat and spring washer in each of the four main mounting holes D as shown in Figure 3 3 on page 42 The base station can be wall mounted by rotating the front mounting brackets and fitting the optional rear brackets TBBA03 01 When the base station is wall mounted ensure the airflow is from bottom to top front panel mounted down or side to side For transport or in install
39. 00 programming application makes it easy to create a new data file The required module type receiver or transmitter is selected by pressing the appropriate button on the radio model toolbar The reset to defaults feature under the file menu is used to reset all the settings to their default states This ensures all the mandatory and recommended settings are correct before starting to create a new data file The customer specific settings for the current application are entered Reset to defaults only affects the currently active radio model so the correct radio model must be selected first If reset to defaults is greyed out then the settings are already in their default states An existing data file can be read out of a transmitter or receiver module or loaded from file The radio model toolbar in the TB7100 programming application will automatically update when a data file is loaded or read out of a module to indicate whether the file is for a receiver or transmitter module The file can then be edited and saved or programmed back into the module Note Itis possible to read the receiver module and then the transmitter module and have both data files loaded at the same time The radio model toolbar can then be used to toggle between the two data files When editing is complete it is important to ensure the receiver transmitter programming switch position matches the currently active data file before programming the module TB7100 Install
40. 04 01 cable assembly to connect TB7100 to TBAOMOx Tone Remote TBBA04 02 cable assembly to connect TB7100 to CMM card TMAAO02 01 fist microphone Installation 43 44 Installation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 4 Connections Overview This section gives an overview of looms and cables and describes the specifications and pinouts of the external and internal connectors Figure 4 1 provides an overview of the connections Figure 4 1 Connectors looms and cables Tx Ant Rx t DC Input System Serial Data AC Input on Connector Connector Fuse Connector Connector Connector Connector L 1554 1106 J104 4 LA RF connector SI Board m 2 5 Factory 9 2 o Transmitter Sensor 3 24 lt gt 25 Module 8 RS 5 S User interface DC power 5 connector connector
41. 1 4 MHz 1 Channel 1 1 1 rH ANT um 1 gt Digital 1 d d System Interface x or User Interface gt converter 4 1 LPF 1 Phase Second LO locked to UHF 90 328 42 928 MHz CUSTOM TCXO BLOCK DSP BLOCK Triple point i Equalisation i ume IQ HARDWARE BLOCK i 1 Analogue to digital conversion 1 control 1 i TCXO 1 N Digital to analogue conversion 13 000 MHz i i L NOTES i 1 Noise blanker not shown 2 1 1 RF Hardware Front End Circuitry The front end hardware amplifies and image filters the received RF and First IF spectrum then down converts the desired channel frequency to a first intermediate frequency IF1 of 45 1 MHz UHF or 21 4 MHz VHF where coarse channel filtering is performed The first LO local oscillator signal is obtained from the frequency synthesizer and is injected on the low side of the desired channel frequency for all bands except A4 When receiving the modulation to the frequency synthesizer is muted The output of the first IF intermediate frequency stage is then down converted using an image reject mixer to a low IF of 64kHz TB7100 Installation and Operation Manual Functional Description 15 Tait Electronics Limited November 2007 Quadrature Demodulator Automatic Gain Control The LO for the image reject mixer quadrature demodulator is synthesized and uses the TCXO temperature compensat
42. 100 Installation and Operation Manual Tait Electronics Limited November 2007 Frequency Generation Fast Frequency Settling Frequency Acquisition of RF PLL Frequency Acquisition of FCL Calibration TB7100 Installation and Operation Manual In the system employed in the transmitter board the frequency reference is generated by the FCL which itself requires dual point modulation injection to allow modulation down to DC With another modulation point required in the PLL this system therefore requires triple point modulation The modulation signals applied to the FCL are in digital form whereas for the RF PLL VCO the modulation signal is applied in analog form The modulation cross over points occur at approximately 30 and 300 Hz as determined by the closed loop bandwidths of the FCL and RF PLL respectively The RF PLL has a frequency resolution of 25 kHz Higher resolution cannot be achieved owing to acquisition time requirements and so for any given frequency the error could be as high as 12 5 KHz This error is corrected by altering the reference frequency to the PLL The FCL supplies the reference frequency and is able to adjust it up to 300ppm with better than 0 1 ppm resolution equivalent to better than 50Hz resolution at the RF frequency Both the FCL and RF PLL employ frequency acquisition speed up techniques to achieve fast frequency settling The frequency acquisition process ofthe FCL and PLL
43. 29 92 paRRRREE ded we 9 LI o yi ues erii Persium iq s 10 le RFO POWT us eis ded exa exe b SUE E iE PR dE RE RE PR 10 LG a de ga qa AD Ret M ARE Rep 11 lA WP a npa dd 11 2 Functional Descriptions ech sd eee de CREE LAC 13 l Rever MON i cho cdbekide d dried ides 15 4 1 KP EDEDWAIE ew dened 15 21 Baseband Process odo cae ri krki 16 2 1 3 Audio Processing and Signalling axes ee eg esse RR as 17 i Tromer OPON 644 PCR Se RREGCOREDRETGSRReS 18 2224 Audio Processmg and Sigrallng isdem RE RR ae 18 222 Seer eu oaa dox x ep Row ebd RE RP a PREE 19 220 Power hs dieser Qee PUR epar E RES cas 22 23 ee UST AERE RR UP E E e RN EE Rs 23 24 Busan REGE HR RRR 27 24 1 Internal Power Distribuli oti cco csse m eee RR cen 29 Zelt SOON DER saa eaa Ege ok dos Rege db 30 243 General Purpose IO ou oc sacs hne REPRE 30 244 Audi Procesi Ex FREIE a re tdg 30 NNI P rcr 30 246 Transmitter Audio Processing snc rok hr RR deans ewes al 24 7 Cipraclsolated
44. 5 Grounding and Lightning Protection 3 5 1 Electrical Ground A threaded grounding connector is provided on the rear of the tray for connection to the site ground point for more details refer to Connections on page 45 TB7100 Installation and Operation Manual Installation 37 Tait Electronics Limited November 2007 3 5 2 3 6 3 7 Lightning Ground It is extremely important for the security of the site and its equipment that you take adequate precautions against lightning strike Because it is outside the scope of this manual to provide comprehensive information on this subject we recommend that you conform to your country s standards organisation or regulatory body Recommended Tools It is beyond the scope of this manual to list every tool that an installation technician should carry However the following tools are specifically required for installing the base station m Philips 2 tip screwdriver used to connect the DC power cables to the DC power terminals m Pozidriv PZ3 screwdriver for the M6 screws used to secure the tray to the cabinet in Tait factory assembled systems m Torx T10 screwdriver for the M3 pan head screws with captured shake proof washer and flat washer used to secure the modules in the tray m Torx T10 screwdriver for the M3 countersunk screws used to secure the cover and the heatsink channels to the tray m Pozidriv PZ1 screwdriver for the M3 pan head self tapping screws used to secure the fans
45. 8 RX 5 input speaker audio TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Connections 55 56 Connections TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 5 Opening and Closing the Base Station This section describes how to open and close the base station Figure 5 1 Opening and closing the base station Configuration with internal AC power supply unit shown station voltages that may be lethal Refer to the ratings Opening the Warning The internal AC power supply unit contains label on the rear of the base station Ensure that all power sources and are disconnected before opening the base station ae If an internal AC Power supply is fitted disconnect the base station from AC power 2 Remove the fuse at the rear of the base station to disconnect the base station from DC power 3 Use a Philips 2 screwdriver to disconnect the cables from the DC power connector 4 Disconnect the antenna connectors for transmit and receive 3 from any test equipment C Important Before opening the base station disconnect the base station 5 Disconnect any other connectors 6 Disconnect the ground cable from the ground point 7 Use T10 screwdriver to remove the countersunk screws Remove the tray cover D TB7100 Installation and Operation Manual Opening and
46. Dissipation of Heat from Internal AC Power Supply Unit The cooling fans are mounted behind the front panel fans in the chassis must be of the same type Heat needs to be dissipated from a number of components within the internal AC power supply unit transmitter and receiver modules including the following m 9V regulator m m driver for RF PA m audio PA The mechanisms by which the heat is conducted away in each case are described below The transmitter board is mounted directly onto a heatsink through which the forced air from the fans is ducted Heat from the audio PA and 9V regulator on the receiver board is conducted away by a small aluminium heatsink and mounting boss The heatsink and boss contact the underside ofthe board where the components are mounted and thermal paste ensures a good thermal transfer between the two surfaces Heat from the PAs and driver is conducted to the heatsink through a copper separator plate The copper plate is fixed to the underside of the board and the components soldered directly to it The copper plate is mounted directly to the main heatsink boss and a coating of thermal paste ensures good thermal transfer between these two surfaces Air is forced round major components within the internal AC power supply unit to keep them cool Some air is passed through a small heatsink to keep the current carrying semiconductor devices cool 32 Functional Description TB7100 Installat
47. Enabled Disabled Enabled Enabled Data Serial Communications FFSK Transparent 5 1200 2400 4800 19200 Mode Baudrate 9600 14400 19200 28800 Data Serial Communications THSD Transparent 1200 2400 4800 19200 Mode Baudrate 9600 14400 19200 28800 Basic Settings Basic Network Settings TX Timer Duration 0 250 0 Basic Settings Basic Network Settings TX Lockout Duration 10 250 0 Basic Settings Sub Audible Signalling CTCSS Lead Out Delay 0 1000 0 Basic Settings Sub Audible Signalling Invert Tx DCS Enabled Disabled Disabled Basic Settings Sub Audible Signalling DCS Lead Out Delay 10 1000 0 Channels Detailed TX Frequency 000 000000 Required 999 999999 transmit channel frequency Channels Detailed TX Sig CTCSS tone OR DCS none tone Channels Detailed Power off very low low high medium high Channels Detailed Network 1 4 1 Channels Detailed Bandwidth 12 5 20 25 12 5 Channels Detailed Use_Channel_For_ Enabled Disabled Disabled Data Key Settings Key 1 Key Action see Key Action type none Key Settings Key 2 Key Action see Key Action type none Key Settings Key Key Action see Key Action type none Key Settings Key 4 Key Action see Key Action type none U User Interface Backlight Mode off activity continuous off Preferences U User Interface Backlight Duration 0 15 5 Preferences PTT MIC PTT PTT Transmission Type voice data Voice PTT External PTT 1 PTT Transmission Type v
48. GREEMENT ANY ATTEMPT OTHERWISE TO SUBLICENSE ASSIGN OR TRANSFER ANY OF THE RIGHTS DUTIES OR OBLIGATIONS HEREUNDER IS VOID No Other Terms THE LICENSEE ACKNOWLEDGES THAT IT HAS READ THIS AGREEMENT UNDERSTANDS IT AND AGREES TO BE BOUND BY ITS TERMS AND CONDITIONS THE LICENSEE FURTHER AGREES THAT SUBJECT ONLY TO ANY EXPRESS WRITTEN TERMS OF AGREEMENT TO THE CONTRARY BETWEEN TAIT AND THE LICENSEE THIS IS THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN IT AND TAIT IN RELATION TO THE SOFTWARE OR FIRMWARE WHICH SUPERSEDES ANY PROPOSAL OR PRIOR AGREEMENT ORAL OR WRITTEN AND ANY OTHER COMMUNICATIONS BETWEEN THE LICENSEE AND TAIT RELATING TO THE SOFTWARE OR FIRMWARE TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 C Directive 1999 5 EC Declaration of Conformity da Dansk Undertegnede Tait Electronics Limited erkl rer herved at folgende udstyr TBBA4A TBBB1A TBBB1B TBBCOA TBBH5A amp TBBH5B overholder de v sentlige krav og vrige relevante krav i direktiv 1999 5 EE Se endvidere http eudocs taitworld com de Deutsch Hiermit erkl rt Tait Electronics Limited die bereinstimmung des Ger tes TBBA4A TBBB1A TBBB1B TBBH5A amp 5 mit den grundlegenden Anforderungen und den anderen relevanten Festlegungen der Richtlinie 1999 5 EG Siehe auch http eudocs taitworld com el EAAnviK G Tnv rrapouoa Electronics Limited SnAwv
49. I board block diagram Receiver Module Speaker Audio UI Board 13V8 Speaker Volume Volume Level DC 3V3 Rx SPI Data Receiver SPI Shift 1 Rx Prog Data Transmitter Module Rx SPI Data Rx Prog Data PTT Registers Transmitter lt SPI Shift Registers gt gt Control Power LED LED mn men Function Keys and LEDs Tx LED Tx Rx Electronic Switching 13V8 gt Prog Mic Switch Connector Mic Audio Fan Power Board Fan Power Connector Fan 26 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 2 4 System Interface Operation This section describes the functioning of the system interface The system interface provides internal power distribution internal AC external DC switching serial data connection THSD or FFSK fan control general purpose IO receiver audio processing transmitter audio processing opto isolated keying relay output relay driver received signal strength indication RSSI receiver gate output receiver inhibit input 13 8VDC 1 5 A output tone on idle TOT These functional parts are described in detail below TB7100 Installa
50. Q rado communications TB7100 Base Station Installation and Operation Manual MBB 00001 04 Issue 4 November 2007 www taitworld com Contact Information Radio Communications Corporate Head Office Tait Electronics Limited P O Box 1645 Christchurch New Zealand For the address and telephone number of regional offices refer to the TaitWorld website Website www taitworld com Technical Support For assistance with specific technical issues contact Technical Support E mail support taitworld com Website www taitworld com technical Copyright and Trademarks All information contained in this document is the property of Tait Electronics Limited rights reserved This document may not in whole or in part be copied photocopied reproduced translated stored or reduced to any electronic medium or machine readable form without prior written permission from Tait Electronics Limited The word TAIT and the TAIT logo are trademarks of Electronics Limited trade names referenced are the service mark trademark or registered trademark of the respective manufacturers Disclaimer There are no warranties extended or granted by this document Tait Electronics Limited accepts no responsibility for damage arising from use of the information contained in the document or of the equipment and software it describes It is the responsibility of the user to ensure that use of such information
51. RMWARE IN WHOLE OR PART TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Important Notice THE SOFTWARE OR FIRMWARE MAY CONTAIN OPEN SOURCE SOFTWARE COMPONENTS SOURCE COMPONENTS OPEN SOURCE COMPONENTS ARE EXCLUDED FROM THE TERMS OF THIS AGREEMENT EXCEPT AS EXPRESSLY STATED IN THIS AGREEMENT AND ARE COVERED BY THE TERMS OF THEIR RESPECTIVE LICENCES WHICH MAY EXCLUDE OR LIMIT ANY WARRANTY FROM OR LIABILITY OF THE DEVELOPERS AND OR COPYRIGHT HOLDERS OF THE OPEN SOURCE COMPONENT FOR THE PERFORMANCE OF THOSE OPEN SOURCE COMPONENTS YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF EACH SUCH LICENCE FOR MORE INFORMATION SEE http support taitworld com go opensource Title to Software THIS AGREEMENT DOES NOT CONSTITUTE A CONTRACT OF SALE IN RELATION TO THE SOFTWARE OR FIRMWARE SUPPLIED TO THE LICENSEE NOT WITHSTANDING THE LICENSEE MAY OWN THE MAGNETIC OR OTHER PHYSICAL MEDIA ON WHICH THE SOFTWARE OR FIRMWARE WAS ORIGINALLY SUPPLIED OR HAS SUBSEQUENTLY BEEN RECORDED OR FIXED IT IS A FUNDAMENTAL TER M OF THIS AGREEMENT AT ALL TIMES TITLE AND OWNERSHIP OF SOFTWARE OR FIRMWARE WHETHER ON THE ORIGINAL MEDIA OR OTHERWISE SHALL REMAIN VESTED IN TAIT OR THIRD PAR TIES WHO HAVE GRANTED LICENCES TO TAIT Term and Termination THIS LICENCE SHALL BE EFFECTIVE UNTIL TERMINATED IN ACCORDANCE WITH THE PROVISIONS OF THIS AGREEMENT THE LICENSEE MAY TERMINATE THIS
52. Speaker Signal Power and Ground The block diagram illustrates the main inputs and outputs for power RF and control signals as well as the interconnection between modules m program data and audio from the PROG MIC socket on the UI board to and from the transmitter and receiver modules m audio and signalling from the SYSTEM connector to and from the transmitter and receiver modules m RS 232 data from the serial data connector 1 to and from the transmitter and receiver modules m fan power and control from the SI board m power distribution from the AC and DC power input connectors to the transmitter and receiver modules and from the receiver module to the UI board The circuitry of the individual modules that make up the base station is described in more detail in the following sections The circuitry of the transmitter and receiver modules is similar for all frequency bands and is therefore covered by a single description in this manual Where the circuitry differs between bands separate descriptions are provided for each frequency band For more information on frequency bands refer to the specifications manual External data communications all occur directly between the connected computer or other electrical equipment and the transmitter and receiver modules over the RS 232 serial lines The power and ground signals for the fans are routed from the SI board to the fans behind the front panel These signals are ele
53. TEETTEEETELLGCCTLELLTTT ETE p 2 2 2 2 HARDWARE BLOCK CUSTOM DSP HARDWARE Yum t LOGIC BLOCK i BLOCK vco 1 1 BLOCK H ecc 1 point 8 1 1 icu 4 PROG MIC connector s Frequency i control KEY Bane Analog to digital conversion Digital to analog conversion 2 2 1 A Audio Processing and Signalling Microphone Input The input to the transmitter path begins at either the SI board or the PROG MIC connector of the UI board Only electret type microphones are supported The audio input is then applied to tap point T8 on the transmitter board the tap point is user selectable Analog Processing The CODEC AD6521 performs microphone selection and amplification of Microphone The microphone amplifier consists of an amplifier with a fixed gain of 16dB Signal d followed by a programmable gain amplifier with OdB to 22dB gain The amplified microphone signal is converted to a digital stream by a 16 bit ADC with integral anti alias filtering 0 1 to 3 2 kHz The digital stream is transported to the DSP for further audio processing 18 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Automatic Level Control DSP Audio Processing Data and Signalling Encoders The ALC automatic level co
54. Tx key controlled Default position is 2 3 2 3 Fan temperature controlled Note default the audio frequency response will be flat Figure 6 5 Link positions on the SI board M B J207 avene evans Hiie J200 222080 DECEM ven e si W401 dE Ed ETE TDTS ian 02048 iz n m m B e 4 0220220020520 8 irme Lue S zii 2623 zs jen m 898022 10 L 4 Hom spei LS NUM Jed We M0 2 t 8980 02 2 Em Ej g F M V e an sigi et i 3 a8 aje 1 88 men 5 m 05 8 20 SA uuu 1 8 8 60 08 is a amp j 083 5252 090 8l 2 555 version 220 02077 06 shown J500 1503 1400 1502 TB7100 Installation and Operation Manual 73 Tait Electronics Limited November 2007 Preparation for Operation 6 4 4 Applying Power Before turning on the base station check that m all looms and cables at the front and rear of the base station are fitted correctly m all connectors are secure m the 20A fuse is fitted Turn on the power supply and check that the base station powers up correctly m The power LED on the user interface lights up m The LCD indicates the current channel number 6 4 5 Programming No changes to the values programmed for line control
55. XCEPT AS EXPRESSLY PROVIDED IN THIS AGREEMENT EQUITY UNDER ANY STATUTE OR OTHERWISE AT LAW FOR ANY LOSSES OR DAMAGES WHETHER GENERAL SPECIAL EXEMPLARY PUNITIVE DIRECT INDIRECT OR CONSEQUENTIAL ARISING OUT OF OR IN CONNECTION WITH ANY USE OR INABILITY OF USING THE SOFTWARE OR FIRMWARE INCLUDING OPEN SOURCE COMPONENTS THE LICENSEE S SOLE REMEDY AGAINST TAIT WILL BE LIMITED TO BREACH OF CONTRACT AND TAIT S SOLE AND TOTAL LIABILITY FOR ANY SUCH CLAIM SHALL BE LIMITED AT THE OPTION OF TAIT TO THE REPAIR OR REPLACEMENT OF THE SOFTWARE OR FIRMWARE OR THE REFUND OF THE PURCHASE PRICE OF THE SOFTWARE OR FIRMWARE General THE LICENSEE CONFIRMS THAT IT SHALL COMPLY WITH THE PROVISIONS OF LAW IN RELATION TO THE SOFTWARE OR FIRMWARE 120 Law and Jurisdiction THIS AGREEMENT SHALL BE SUBJECT TO AND CONSTRUED IN ACCORDANCE WITH NEW ZEALAND LAW AND DISPUTES BETWEEN THE PARTIES CONCERNING THE PROVISIONS HEREOF SHALL BE DETERMINED BY THE NEW ZEALAND COURTS OF LAW PROVIDED HOWEVER TAIT MAY AT ITS ELECTION BRING PROCEEDINGS FOR BREACH OF THE TERMS HEREOF OR FOR ENFORCEMENT OF ANY JUDGEMENT IN RELATION TO A BREACH OF THE TERMS HEREOF IN ANY JURISDICTION TAIT CONSIDERS FIT FOR THE PURPOSE OF ENSURING COMPLIANCE WITH THE TERMS HEREOF OR OBTAINING RELIEF FOR BREACH OF THE TERMS HEREOF No Dealings THE LICENSEE MAY NOT SUBLICENSE ASSIGN OR TRANSFER THE LICENCE OR THE PROGRAM EXCEPT AS EXPRESSLY PROVIDED IN THIS A
56. acklighting remains on backlighting timer The backlighting timer determines how long backlighting remains on once it is activated TB7100 Installation and Operation Manual Glossary 109 Tait Electronics Limited November 2007 balanced line base station BCD birdie birdie killer brownout C Calibration Application channel channel spacing channel table city squelch CODEC configuration file 110 Glossary balanced line has two wires carrying equal and opposite signals It is typically used in a line connected base station for connecting to the despatcher console The system interface identifies the balanced line out as Rx line output and Rx line output and the balanced line in as Tx line input and Tx line input base station is a tray containing transmitter receiver and system interface modules BCD binary coded decimal is a code in which a string of four binary digits represents a decimal number birdie is a desensitised channel caused by internal interference A birdie can be eliminated by activating a birdie killer on the channel birdie killer is an internal circuitry switch that greatly reduces the effect of a birdie on a channel dip in the supply voltage sufficient to put the control section into hardware reset The Calibration Application is a utility for calibrating various parts of the receiver and transmitter circuitry channel is a frequency pair or just
57. al Tait Electronics Limited November 2007 TB7100 Specifications Manual TB7100 Installation Guide TB7100 Installation Guide French TB7100 Installation Guide Spanish TB7100 Installation Guide Chinese TB7100 Service Manual m 00013 TBAOSTU TBAOSTP Calibration and Test Unit Operation Manual The characters XX represent the issue number of the documentation All available documentation is provided on the CD 406 00047 supplied with the base station Updates may also be published on the Tait support website Technical notes are published from time to time to describe applications for Tait products to provide technical details not included in manuals and to offer solutions for any problems that arise Publication Record Issue Publication Date Description 1 May 2005 First release 2 December 2005 Internal AC power supply A4 and D1 bands added 3 March 2006 CO and G2 bands added 4 November 2007 General updates for firmware release 2 15 00 05 THSD anti collision feature added on page 30 8 TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 1 Introduction Figure 1 1 TB7100 base stations Configuration without provision for internal AC power supply cover removed The TB7100 is a software and hardware link configured base station which 1s designed for operation in a large variety of standard frequency ranges It
58. als for certain conditions These settings are discussed in Preparation for Operation on page 59 2 4 4 Receiver Audio Processing The SI board provides an external 600 Q balanced 4 wire line for connecting 4 wire circuits of which two are used by the receiver for receive audio The SI board provides an unbalanced audio output for connecting to other devices Output levels can be set via the rear panel 2 4 5 Tone On Idle The tone on idle TOI frequency is generated by the SI board and fed directly to the receiver line out It is enabled using links on the SI board These settings are discussed in Preparation for Operation on page 59 If enabled the output of the TOI is switched by the receiver gate 30 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 2 4 6 2 4 7 2 4 8 2 4 9 2 4 10 2 4 11 2 4 12 Transmitter Audio Processing The SI board provides an external 6009 balanced 4 wire line for connecting 4 wire circuits of which two are used by the transmitter for transmit audio The SI board provides an unbalanced audio input and output for connecting to other devices Opto Isolated Keying External keying of the base station can be achieved using the current regulated optically isolated keying connections Rx Relay The SI board can provide a relay output with a load voltage of 350 V or load current of 120mA continuous This option is configurab
59. ambient temperature entering the cabinet must not exceed the maximum temperature specified for the base station If the base station is installed in a rack or cabinet with other equipment with different ventilation requirements we recommend that the base station be positioned below this equipment If multiple base stations are fitted in a cabinet auxiliary extractor fans may be required to ensure adequate cooling If fitted they should be capable of extracting 18m h 11 cfm per base station in the cabinet If you have any other configuration the performance of your system will depend on how closely you comply with the base station airflow requirements described above Installing the Base Station Unpacking the Equipment Unpacking the Base Station 40 Installation The base station is packed in a strong corrugated cardboard carton with top and bottom foam cushions 1 Cut the tape securing the flaps at the top of the carton and fold them flat against the sides TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Disposal of Packaging 3 8 2 2 Rotate the carton carefully onto its side and then onto its top ensuring that none of the flaps is trapped underneath 3 Slide the carton upwards over the foam cushions and lift it away Remove the cushion from the bottom of the base station 4 Lift the base station clear of the remaining cushion If you do not need to keep the packaging
60. and Operation Manual Tait Electronics Limited November 2007 1 3 Power Supply Options The base station is available with or without an internal AC power supply All base stations have an external DC input power connector which is used as main power supply when no internal AC power supply is fitted When the internal AC power supply is fitted the DC input can be used as a DC backup power option In case of AC mains failure the base station will automatically and seamlessly switch to DC power input Note The base station will not charge the battery via the DC power connector when an internal AC power supply unit is fitted If no internal AC power supply is fitted an external Tait T809 10 87xx power supply can be used to supply the DC voltage required Warning The internal AC power supply unit contains AN voltages that may be lethal Refer to the ratings label on the rear of the base station The internal AC power supply contains no user serviceable parts Important Before connecting to the AC power connector refer to the ratings label on the rear of the base station for its configured mains voltage 1 4 Product Codes This section describes the product codes used to identify products of the TB7100 base station product line The product codes of the TB7100 base station product line has the format TBBaabb cde ff where m aa identifies the frequency band of the transmitter A4 66 to 88MHz 1 136 to 174 MHz 174 t
61. ata 4 TX CH PIT output microphone PTT 5 TX AUD OUT output audio from microphone 6 TX AGND ground analogue ground 7 TX CH RXD input programming data 8 TX DGND ground digital ground 9 TX CH ON OFF input digital ground 10 TX VOL WIP DC output no connection 11 TX CH SPI DO input 12 TX CH LE input 13 SPIO1 input digital ground 14 TX 4 3V3 no connection no connection 15 TX SPI DI output 16 TX CH SPI CLK input 17 TX SPK no connection no connection 18 TX 5 no connection no connection User Interface Connector to Receiver 1 2 He em e em e em e emn e em e em e emn e eu external view The user interface connector SK2 to the receiver is a 16 way MicroMaTch connector Pin Signal Name Signal Type Notes 1 RX RX AUD no connection no connection 2 RX 413V8 SW input 13V8DC for PCB 3 RX_CH_TXD output programming data 4 RX_CH_PTT no connection no connection 5 RX_MIC_AUD_OUT input no connection 6 RX_AGND ground analogue ground 7 RX_CH_RXD input programming data 8 RX_DGND ground digital ground 9 RX_CH_ON_OFF input digital ground 10 RX_VOL_WIP_DC output volume control 11 RX CH SPI DO input 12 RX CH LE input 13 GPIO1 input digital ground 14 RX 43V3 input for PCB 15 RX CH SPI DI output 16 RX CH SPI CLK input 17 RX SPK input speaker audio 1
62. ation and Operation Manual Preparation for Operation 89 Tait Electronics Limited November 2007 6 8 3 Mandatory Settings Receiver Mandatory The mandatory settings must not be changed from their default states or the base station will not operate correctly The mandatory settings in the receiver module are not the same as those in the transmitter module The reset to defaults feature in the TB7100 programming application will ensure all mandatory settings are correct for the selected module type The mandatory settings are not locked out It is possible to change a mandatory setting from its required state The mandatory settings for the receiver are shown below If these change Settings the receiver will no longer operate Form Tab Item Name Setting Data General Output SDMs Automatically Disabled Data Serial Communications Data_Port AUX Data Serial Communications XON_Character 11 Data Serial Communications XOFF_Character 13 Basic Settings Basic Network Settings TX Timer Duration 1 Basic Settings Basic Network Settings TX Lockout Duration 250 Basic Settings Sub Audible Signalling CTCSS Lead Out Delay 0 Basic Settings Sub Audible Signalling Invert Tx DCS Disabled Basic Settings Sub Audible Signalling DCS Lead Out Delay 0 Channels Detailed TX_Frequency 000 000000 Channels Detailed TX Sig none Channels Detailed Power off UI Preferences User Inte
63. ations subject to vibration the base station should be supported at the rear using a transit bracket Tait recommends to use the TB7100 transit bracket Tait part number 04 Figure 3 3 Base station mounting points configuration with AC power supply unit shown D main mounting holes power connector 2 base station 5 AC power connector 3 ground point rack frame 42 Installation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 3 8 4 Cabling We recommend that you route all cables to and from the base station along the side of the cabinet so the cooling airflow is not restricted Cables should be well supported so that the connectors or terminals on the base station and on the ends of the cables do not have to support the full weight of the cables Cables must be routed so that they do not restrict the air outlets at the rear of the base station 3 8 5 Accessories The base m TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 station can use the following accessories T809 10 87xx power supply TBBAO3 01 wall mounting kit TBBAO03 02 duplexer kit mechanical configuration without provision for internal AC power supply unit 03 03 duplexer kit mechanical configuration with provision for internal AC power supply unit 03 04 TB7100 transit bracket kit TBBAO3 05 antenna relay kit
64. ature Controlled 221 RS 232 Loop Back 1 2 RS 232 via serial port 2 3 Loop Back J222 Fan activation temperature Test point J223 Heat sink temperature Test point RV200 Fan Activation Temperature Adjustment W300 Tx Rx GPIO 5 Link When fitted Tx Digital in out 1 is connected to Rx Digital in out 1 Used for applications where both modules need to respond to one input eg BCD Channel selection W301 Tx Rx GPIO 6 Link When fitted Tx Digital in out 2 is connected to Rx Digital in out 2 Used for applications where both modules need to respond to one input eg BCD Channel selection TB7100 Installation and Operation Manual Electronics Limited November 2007 Preparation for Operation 59 Table 6 1 System Interface links Continued Link Function Setting W302 Tx Key to GPIO6 Link When fitted Tx Key is connected to Tx Digital in out 2 Used for applications where the Tx Key signal must also trigger an additional action J400 Tx Key Source 1 2 External 2 3 Rx Gate 401 Rx Relay polarity control 1 2 Active High 2 3 Active Low W401 Tone on Idle Enable Fit both links to enable TOI W402 Remove both links to disable RV400 Tone on Idle Frequency Frequency Adjust RV401 Tone on Idle Level Level Adjust J500 Line out frequency 1 2 Flat response 2 3 De Emph J501 Line in frequency response 1 2 Flat 2 3 Pre Emph J502 Tx Aud
65. be carried out by sending data between the TB7100 base station and TM8000 mobile radio The following equipment will be required m DC power supply antenna for receiver input dummy load for transmitter output a PC running the terminal application connected to the serial data port on the base station with a 9 pin serial cable a second PC running the terminal application connected to a TM8000 mobile radio which has been programmed to send and receive the required data modulation FFSK or THSD The test setup is shown in RF modem test setup on page 84 Figure 6 8 modem test setup Antenna n TM8000 Mobile a a EL Terminal Terminal Application Application The correct operation of the base station as an RF modem can be verified by transferring text files between the two PCs 84 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 6 6 Data Repeater In data repeater mode the base station will transmit all valid received data Figure 6 9 Data repeater L RF In RF Out Receiver Transmitter Rx Data x Data System Interface 6 6 1 Link Settings 1 Remove the cover as detailed in Opening the Base Station
66. ble 88 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Separate Data Files New Data Files Existing Data Files Feature Function Menus Located along the top of the screen these allow the user to perform functions such as opening or saving data files and reading or programming the modules Toolbar Located just below the menu bar the toolbar allows easy access to the most commonly used menu items Radio Model Toolbar Located just below the toolbar this indicates whether a newly loaded file type is for a receiver or transmitter module It also allows the required module type to be selected when a new data file is being created Forms Tree Located on the left side of the screen the Forms Tree lists all the forms that are available for editing Forms Displayed beside the Forms Tree is the Active Form The TB7100 programming application is made up of several Forms a page of parameters All the configuration parameters related to a particular feature are grouped together in one form Each form is intuitively labelled and easily accessible from a Forms Tree The base station has separate transmitter and receiver modules which are independently programmed with their required settings This means that the base station will have two data files one for the transmitter and one for the receiver The reset to defaults feature in the TB71
67. ble in custom logic memory that is played back at the correct rate to the DAC to produce the desired waveform ramp up and ramp down waveforms are produced by playing back the look up table in forward and reverse order respectively For a given power level the look up table values are scaled by a steady state power constant so that the ramp waveform shape remains the same for all power levels 2 3 User Interface Operation Programming This section describes the programming microphone connector and the controls of the user interface and the function of the UI board Figure 2 5 shows the controls and indicators of the user interface The PROG MIC connector can be used to connect a handset or programming Microphone Connector cable TB7100 Installation and Operation Manual Functional Description 23 Tait Electronics Limited November 2007 Figure 2 5 User interface PROG MIC Tx Rx status LEDs function keys and LEDs volume control CHANNEL 19 programming Tx Rx 2 digit LCD internal speaker microphone switch display connector TX RX Switch The TX RX switch changes the LCD display to show either the transmitter or Function Keys the receiver channel The TX RX switch also determines which board will be programmed by the programming or calibration applications The TB7100 programming application is a program on a PC that is connected to the base station via the PROG MIC connector The TB7100 pr
68. connectors duty M4 screw terminals J102 if fitted accepts power from the internal AC power supply unit J103 distributes the DC power to the transmitter and the receiver Pin Signal Name Signal Type Notes 1 Tx and Rx 13 8VDC J102 input 2 J103 output 1 2 Tx and Rx ground J102 input J103 output v external view System Interface Connector to Transmitter The system interface connector 101 to the transmitter is a 16 way surface mounted connector Pin Signal Name Signal Type Notes 1 AUX GPIO7 output Tx key signa 2 AUX GPIO6 bidirectional digital input output 1d 2 3 GPIO5 bidirectional digital input output qim 4 AUX GPIO4 bidirectional digital input output qm 5 input data c mg p 6 TX AUX TXD output data d m 7 TX AUX GPI3 input digital input cdm mb 8 TX AUX input digital input ci Ke 9 TX AUX GPI2 input digital input 15 m 16 10 TX AUD TAP OUT no connection Lu 11 TX RSSI no connection extemalview 12 TX_MIC_AUD output 13 TX AUD TAP IN output Tx audio 14 TX GND ground ground 15 TX 13V8 no connection 16 N C no connection TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Connections 53 System Interface The system interface connector J100 to the receiver is a 16 way surface
69. cs Limited November 2007 3 1 2 AC Power Connection English en The PMU must be connected to a grounded mains socket outlet Norsk no Apparatet ma tilkoples jordet stikkontakt Suomi fi Laite on liitett v suojamaadoitus koskettimilla varustettuun pistorasiaan Svenska sv Apparaten skall anslutas till jordat uttag 3 1 3 Explosive Environments electrical blasting caps or in an explosive atmosphere Operating the equipment in these environments is a definite safety hazard T Warning not operate base station equipment near 3 1 4 Proximity to RF Transmissions Do not operate the transmitter when someone is standing within 90 cm 3ft ofthe antenna Do not operate the transmitter unless you have checked that all RF connectors are secure 3 1 5 High Temperatures Take care when handling a base station which has been operating recently Under extreme operating conditions 60 C 140 ambient air temperature or high duty cycles the external surfaces of the base station can reach temperatures of up to 80 C 176 3 1 6 LED Safety EN60825 1 This equipment contains LEDs which are considered a CLASS 1 LED PRODUCT 34 Installation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 3 2 Equipment Safety 3 2 1 ESD Precautions damage from static charges You must handle these devices carefully and according to the procedures described in the manufacturers data
70. ctrically isolated from all other system signals to ensure fan noise is not transferred to other sensitive system components If there is a fault in the fan circuitry the transmitter module is protected from overheating by its internal foldback circuitry Received audio is sent from the receiver module to the UI board The volume is controlled by the volume potentiometer on the UI board The audio signal is routed through the UI board to the speaker for monitoring purposes The SI board provides power to the transmitter and receiver modules The receiver modules provides power to the UI board 14 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 2 1 Receiver Operation Parts of Receiver The main circuit parts of the receiver modules are Board receiver frequency synthesizer CODEC coder decoder and audio circuitry power supply interface circuitry Software plays a prominent role in the functioning of the radio When describing the operation of the radio the software must be included with the above This is considered further below These functional parts are described in detail below Figure 2 2 Receiver high level block diagram 1 64 kHz 1 1 1 1 1 1 1 1 1 isnmesauasasBanasaaasanauERSESE REESE 1 acc 1 1 H 1 IF 1 H H UHF 45 1 MHz 1 1 1 VHF 2
71. d to create configuration files for the base station The programming application can read files from the base station or load new files onto the base station The programming database is the information that is altered using the radio programming application The mode of operation of the radio in which computer equipment can read from and write to the radio database TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Q quiet operation quiet state R Recommended Settings repeater reverse tone burst RF RSSI Rx S Selcall TB7100 Installation and Operation Manual When quiet operation is active all audible indicators except incoming call alerts sidetones and warning tones are disabled Contrast with silent operation The quiet state is the state the radio is in when monitor is inactive the radio user does not have to listen to traffic that is not intended for them Recommended settings are settings in the programming application that should not be changed from the recommended default value but unlike mandatory settings the user is permitted to make changes providing they verify the correct operation of the enabled or modified feature No guarantee is given that a feature will work if the recommended settings disable the feature or if a recommended value is changed repeater receives a radio signal and re transmits it Use of a repeater increases the coverage area of a
72. deviation Set the output level to 70dBm Verify that the receiver gate opens and the busy LED turns on Adjust RV503 BAL OUT on the rear panel to set the balanced output to the required level typically 10dBm TB7100 Installation and Operation Manual Preparation for Operation 67 Tait Electronics Limited November 2007 6 3 7 Receiver Functional Testing This section describes how to test some parameters which are commonly monitored Sensitivity The sensitivity can be measured using either the balanced or unbalanced audio output 1 Connect the required audio output from the CTU to the audio input port on the test set 2 Connect the RF output from the test set to the Rx input on the rear panel 3 Set up the test set to measure the SINAD level 4 Set the signal generator to the correct frequency modulated with a 1kHz audio tone at 60 of full system deviation 5 Set the RF output level to 70dBm 6 Verify that the receiver gate opens and the busy LED turns on 7 Reduce the RF level until 12dB SINAD is obtained Note This level will vary depending on the bandwidth and frequency response of the channel Consult the specifications manual for val ues Note Ifthe mute closes before 12dB SINAD is reached then squelch override may be programmed to a function key Pressing this key will prevent the mute from closing e RSSI Level 1 Connect a voltmeter to the RSSI test point on the CTU
73. digitised quadrature signal from the RF hardware is digitally down converted to a zero IE and channel filtering is performed at base band Different filter shapes are possible to accommodate the various channel spacings and data requirements These filters provide the bulk of adjacent channel selectivity for narrow band operation The filters have linear phase response so that good group delay performance for data is achieved The filters also decimate the sample rate down to 48kHz Custom logic also performs demodulation which is multiplexed along with AGC and amplitude data and fed via a single synchronous serial port to the DSP The stream is demultiplexed and the demodulation data used as an input for further audio processing The noise squelch process resides in the DSP The noise content above and adjacent to the voice band is measured and compared with a preset threshold When a wanted signal is present out of band noise content is reduced and if below the preset threshold is indicated as a valid wanted signal Received signal strength is measured by a process resident in the DSP This process obtains its input from the demodulator value of RF signal magnitude and from the AGC value of present gain With these two inputs and a calibration factor the signal strength at the antenna can be accurately calculated 16 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Cal
74. e 1 Receiver Audio The user defined settings for the receiver audio IO are shown below The cells in grey denote mandatory settings Tap In Tap Out RX PTT Type Tap In Tap In Type Unmut Tap Out Type Tap Out Unmute Rx None A Bypass In On PTT R4 D Split Busy detect Subaud Mic PTT None A Bypass In On PTT None C Bypass Out On PTT EPTT1 None A Bypass In On PTT None C Bypass Out On PTT EPTT2 None A Bypass In On PTT None C Bypass Out On PTT 94 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Transmitter Audio The user defined settings for the transmitter audio IO are shown below The cells in grey denote mandatory settings Tap In Tap Out Rx PTT Type Tap In Tap In Type Unmute Tap Out Type Tap Out Unmute Rx None A Bypass In On PTT None D Split On PTT Mic PTT None A Bypass In On PTT None C Bypass Out On PTT EPTT1 T8 A Bypass In On PTT None C Bypass Out PTT EPTT2 None A Bypass In On PTT None C Bypass Out On PTT 6 8 5 Recommended Settings Examples Example One TB7100 Installation and Operation Manual Recommended Settings Recommended settings provide system designers with an extra level of flexibility to meet a specific operational requirement In general recommended settings should not be changed from the recommended default value However unlike mandatory settings the user is permitted to make changes pr
75. e signal may be weak and where maximum range is desirable Country squelch is also known as distant squelch CTCSS continuous tone controlled squelch system also known as PL private line is a type of signalling that uses subaudible tones to segregate groups of users The CTCSS DCS filter removes any CTCSS or DCS tones that may be present on the received audio The filter limits the range of frequencies the radio passes from the incoming signal to the speaker and so in some situations affects signal quality Filtering can be automatically switched off for channels that do not have CTCSS or DCS A Calibration Test Unit is a device used to assist in making testing and calibration of the TB7100 easier CWID Continuous Wave IDentification is a method of automatically identifying the base station using a Morse code Digital to Analog Converter A device for converting a digital signal to an analog signal that represents the same information DCS digital coded squelch also known as DPL digital private line is a type of subaudible signalling used for segregating groups of users DCS codes are identified by a three digit octal number which forms part of the continuously repeating code word When assigning DCS signalling for a channel you specify the three digit code De emphasis is a filtering process in the receiver that attenuates higher frequency audio It restores pre emphasised audio to its original relative proporti
76. eater THSD toggle tone TOI 116 Glossary The sensitivity of a radio receiver is the minimum input signal strength required to provide a useable output Non voice coding on the channel for the purpose of identifying parties and or segregating user groups e g CTCSS DCS Selcall two tone When the signalling mute is enabled the radio only unmutes when a valid Selcall or two tone identity 15 received SINAD Signal plus Noise and Distortion is a measure of signal quality It is the ratio of signal noise distortion to noise distortion A SINAD of 12dB corresponds to a signal to noise voltage ratio of 4 1 Subaudible signalling is signalling that is at the bottom end of the range of audible frequencies The base station supports CTCSS and DCS subaudible signalling subtone subaudible signalling tone is a CTCSS tone or a DCS code The switching range is the range of frequencies that the equipment is tuned to operate on The system interface is the set of inputs to and outputs from the base station excluding provided by a module inside the tray A 7100 base station consists of the equipment necessary to receive and transmit on one channel Generally this means receiver transmitter and system interface modules Often abbreviated to TB7100 or base station Temperature compensated crystal oscillator voltage controlled The frequency reference for the part of the radio A 7100
77. ed crystal oscillator as a reference This ensures good centring of the IF filters and more consistent group delay performance The quadrature demodulator device has an internal frequency division of 2 so the second LO operates at 2 X IF1 64 kHz The quadrature output from this mixer is fed to a pair of ADCs analog to digital converters with high dynamic range where it is oversampled at 256kHz and fed to the custom logic device The AGC automatic gain control is used to limit the maximum signal level applied to the image reject mixer and ADCs in order to meet the requirements for intermodulation and selectivity performance Hardware gain control is performed by a variable gain amplifier within the quadrature demodulator device driven by a 10 bit DAC digital to analog converter Information about the signal level is obtained from the IQ in phase and quadrature data output stream from the ADCs The control loop is completed within custom logic The AGC will begin to reduce gain when the combined signal power of the wanted signal and first adjacent channels is greater than about 70 dBm In the presence of a strong adjacent channel signal it is therefore possible that the AGC may start acting when the wanted signal is well below 70dBm 2 1 2 Digital Baseband Processing Custom Logic Noise Squelch Received Signal Strength Indication The remainder of the receiver processing up to demodulation is performed by custom logic The
78. eiver transmitter ground connector connector connector connector antenna antenna point IOIOI SYSTEM 13 8VDC connector connector 13A MAX Rx TX ANT Tx ANT is Tx and Rx if the duplexer is fitted AC Power If an internal AC power supply unit is fitted the AC power supply will Connection A 46 Connections accept mains input voltages of either 195 VAC to 264VAC or 99VAC to 135 VAC Refer to the ratings label on the rear of the base station The AC power connector at the rear of the base station is a standard 3 way AC pin connector Warning The internal AC power supply unit contains voltages that may be lethal Refer to the ratings label on the rear of base station The internal AC power supply contains no user serviceable parts Important Before connecting to the AC power connector refer to the ratings label on the rear of the base station for its configured mains voltage The base station must be installed so that the rear of the base station is located in a service access area The plug of the AC power supply cord is intended as the disconnect device Therefore the socket outlet must be installed near the equipment and must be readily accessible Ensure that all power sources AC and are disconnected before opening the base station TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 DC Power The base station is designed to accept a nominal 13 8 V DC wi
79. el ori TBBB1B TBBCOA amp TBBHBB ouppopqwvetal TIO OUCIUJ EIO QITTOITI OEIO KAI TIO AOTTTEO OXETIKEO THO o nyiac 1999 5 EK http eudocs taitworld com English Electronics Limited declares that this TBBA4A TBBB1A TBBB1B TBBH5A amp TBBH5B complies with the essential requirements and other relevant provisions of Directive 1999 5 EC See also http eudocs taitworld com es Espafiol Por medio de la presente Tait Electronics Limited declara que el TBBA4A el el TBBB1B el el TBBH5A y el TBBH5B cumplen con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999 5 CE Vea tambi n http eudocs taitworld com fi Suomi Tait Electronics Limited vakuuttaa taten ett TBBA4A TBBB1A TBBB1B TBBCOA amp TBBH5B tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien direktiivin muiden ehtojen mukainen Katso http eudocs taitworld com TB7100 Installation and Operation Manual Electronics Limited November 2007 fr Francais Par la pr sente Tait Electronics Limited d clare que l appareil TBBA4A TBBB1A TBBB1B TBBH5A amp TBBHSB est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE Voir aussi http eudocs tait
80. els form summary tab Add as many channels as are required and for each channel enter the following m transmit frequency m Tx subaudible signalling value Ignored in THSD Mode TB7100 Installation and Operation Manual Preparation for Operation 81 Tait Electronics Limited November 2007 Note 10 Receiver 1 m power level m bandwidth Open the channels form details tab and for each channel check the use channel for data check box Open the key settings form and select the required function for each function key For example m FN Preset Channel m FN2 Preset Channel m FN3 Preset Channel m FN4 None Open the data form and in the general tab m Inthe command mode section disable all check boxes m Inthe transparent mode section select transparent mode enabled and THSD modem enabled and de select the ignore escape sequence check box m Set Power Up State to THSD transparent mode Open the data form and in the serial communications tab m Inthe serial communications setup field set the THSD transparent mode baud rate to 9600 the Flow control to None and the data port to the required data port Software flow control is not currently supported The Transmit ters Rx data line is connected to the terminal equipment via the data connector but the transmitter s tx data line is not connected This means it cannot halt the incoming data flow from the other terminal which can lead to data loss if data is rece
81. eneral tab m Inthe command mode section disable all check boxes m Inthe transparent mode section select transparent mode enabled and THSD modem enabled and de select the ignore escape sequence check box m Set Power Up State to THSD transparent mode 8 Open the data form and in the serial communications tab m Inthe serial communications setup field set the THSD transparent mode baud rate to 9600 the Flow control to None and the data port to the required data port Note Software flow control is not currently supported The Transmit ters Rx data line is connected to the terminal equipment via the data connector but the transmitter tx data line is not connected This means it cannot halt the incoming data flow from the other terminal which can lead to data loss if data is received from the terminal equipment faster than it can be sent over the air m Ensure hardware flow control is set to None 9 Open the data form R F modems tab The FFSK modem settings do not apply and can be ignored In the THSD modem section set up the following m Wide band modem enabled m Layer 2 Protocol enabled m Forward Error Correction disabled m THSD Lead In Delay default of 30ms is acceptable 10 Program the receiver TB7100 Installation and Operation Manual Preparation for Operation 83 Tait Electronics Limited November 2007 6 5 9 Verification In order to verify the correct operation as an modem a basic functional test can
82. equipment and software complies with the laws rules and regulations of the applicable jurisdictions Enquiries and Comments If you have any enquiries regarding this document or any comments suggestions and notifications of errors please contact Technical Support Updates of Manual and Equipment In the interests of improving the performance reliability or servicing of the equipment Tait Electronics Limited reserves the right to update the equipment or this document or both without prior notice Intellectual Property Rights This product may be protected by one or more patents of Tait Electronics Limited together with their international equivalents pending patent applications and registered trade marks NZ 338097 NZ 508054 NZ 508340 NZ 508806 NZ508807 NZ509242 NZ509640 NZ509959 NZ510496 NZ511155 NZ511421 NZ516280 519742 NZ519118 NZ519344 NZ520650 537902 NZ522236 NZ524369 NZ524378 NZ524509 NZ524537 NZ524630 NZ530819 NZ534475 NZ534692 NZ535471 NZ536945 NZ537434 NZ546295 NZ547713 NZ521450 AU 2003281447 AU 2002235062 AU 2004216984 AU 2005207405 2439018 2554213 EU03784706 8 EU02701829 0 EU04714053 8 EU 05704655 9 GB 23865476 GB2386010 GB2413249 GB0516092 4 US11 232716 US10 597339 US10 520827 US10 468740 US 5 745 840 US10 547653 US10 546696 US10 547964 US10 523952 US11 572700 Environmental Responsibilities Electronics Limited is an environmentally respon
83. er by linking the following pins on a 25pin male D range connector and plugging the connector into the system connector on the rear panel of the base station Pins Function 1to5 Rx Line Out to Tx Line In 4to8 Rx Line Out to Tx Line In 14 to 15 Rx Gate to Tx Key When configured as described above m The base station will operate as a repeater m The Talk through gain can be set by adjusting the line output level and line input sensitivity RV500 BAL IN and RV503 BAL OUT on the TB7100 Installation and Operation Manual Preparation for Operation 75 Electronics Limited November 2007 6 5 6 5 1 76 rear panel m The pre de emphasis links J500 and J501 can be used to set the audio frequency response RF Modem In modem mode the transmitter and receiver are connected to the serial interface and any data on the serial interface is transmitted Any data received is forwarded to the PC Figure 6 6 modem RF In RF Out Receiver Transmitter NUR pees i S C Q A X m Test Equipment Required The following test equipment is used to setup the base station for modem operation Preparation for Operation TBAOSTU calibration test unit CTU which includes the CTU adaptor and CTU cable or TBAOST1 calibration test unit CTU TBBOSTU TBB CTU adaptor 220 02068 xx and CTU cable 219 02888 xx PC programming cables
84. er control loop The PA output power is controlled by varying the driver gate bias voltage that has a calibrated maximum limit to prevent overdrive The power control signal is supplied by a 13 bit DAC driven by custom logic Ramping Power ramp up consists of two stages m bias m power ramping The timing between these two stages is critical to achieving the correct overall wave shape in order to meet the specification for transient ACP adjacent channel power A typical ramping waveform is shown in Figure 2 4 22 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Bias Ramp up Power Ramp up Figure 2 4 Typical ramping waveforms Power Bias Power Power Bias ramp ramp ramp ramp High power Low power Time The steady state final stage bias level is supplied by an 8 bit DAC programmed prior to ramp up but held to zero by a switch on the DAC output under the control of a TX INHIBIT signal Bias ramp up begins upon release by the TX INHIBIT signal with the ramping shape being determined by a low pass filter Owing to power leakage through the PA chain ramping the bias takes the PA output power from less than 20 dBm for the 50W 40W version or 10dBm for the 25 W version to approximately 25 dB below steady state power The power ramp signal is supplied by a 13 bit DAC that is controlled by custom logic The ramp is generated using a look up ta
85. ettings must be in one ofthe positions listed The defaults are generally recommended 3 Fit the cover as detailed in Closing the Base Station on page 58 Table 6 2 Line controlled base mandatory settings LINK Name Pins Position Function Comments J400 Tx Key 3 1 2 Line controlled Base mode External PTT signal to transmitter Source J502 Tx Audio 3 1 2 Line controlled Base mode Balanced and unbalanced audio Source inputs to transmitter J503 Rx Audio 5 2 3 Line controlled Base mode Received audio to balanced and Destination unbalanced audio outputs W401 TOI 9V Enable 2 Not Tone on Idle disable Refer Tone On Idle TOI on W402 TOI 4 5V Enable 2 fitted page 102 to enable idle tone Table 6 3 Line controlled base optional settings LINK Name Pins Position Function Comments J401 Relay Polarity 3 1 2 Energised for receiver active Default is 1 2 Control gate 2 3 Energised for receiver inactive gate J500 Out 3 1 2 Flat response Default position is 2 3 Frequency 2 3 De emphasis Response J501 Line In 3 1 2 Flat response Default position is 2 3 Frequency 2 3 Pre emphasis Response J507 Line In 3 1 2 Tx Line In to Aux Mic Default position is 2 3 Destination 2 3 Tx Line In to Audio Tap In Position 1 2 is usually used only by trunking systems J206 Control 1 3 1 2 Fan controlled by J207 Default position is 1 2 2 3 Fan always on J207 Control 2 3 1 2 Fan Tx key controlled Default positi
86. ettles to a point that minimises the phase error between divided down reference and VCO frequencies The net result is that the loop locks to a programmed multiple of the reference frequency The FCL generates an output of 13 012 0 004 MEZ Initially a VCXO produces a quasi regulated frequency in the required range The VCXO output is fed to a mixer where it is mixed with the 13 000MHz TCXO frequency The mixer after low pass filtering to remove unwanted products produces a nominal frequency of 12kHz This is converted to digital form and transported to the frequency control block in custom logic The frequency control block compares the mixer output frequency with a reference generated by the digital clock and creates a DC error signal A programmed offset is also added This error signal is converted to analog form and used to control the VCXO frequency and reduce the initial error Once settled the loop locks to the TCXO frequency with a programmed offset frequency The FCL output therefore acquires the TCX OS frequency stability Modulation The full bandwidth modulation signal is obtained from the DSP in digital form at a sample rate of 48 kHz In traditional dual point modulation systems the modulation is applied in analog form to both the frequency reference and the VCO in the RF PLL combining to produce a flat modulation response down to DC Reference modulation is usually applied directly to the TCXO 20 Functional Description TB7
87. ge 57 Set the following links on the SI board Links of the mandatory settings must be in the position indicated Links ofthe optional settings must be in one ofthe positions listed The defaults are generally recommended Fit the cover as detailed in Closing the Base Station on page 58 TB7100 Installation and Operation Manual Preparation for Operation 77 Tait Electronics Limited November 2007 Table 6 6 RF modem mandatory settings LINK Name Pins Position Function Comments 1221 5232 Loop 3 1 2 RS 232 out data connector Back J400 Tx Key 3 1 2 External Tx key source Use this setting because the Source transmitter will automatically key up when there is data to send so should not be keyed by the receiver gate Table 6 7 RF modem optional settings LINK Name Pins Position Function Comments J206 Fan Control 1 3 1 2 Fan controlled by J207 Default position is 1 2 2 3 Fan always on J207 Control 2 3 2 3 Fan temperature controlled Do not use position 1 2 Tx key activated fan The transmitter will automatically key up when there is data to send This will not activate the Tx key line and therefore will not activate the fan Figure 6 7 Link positions on the SI board cm evade 4 ED MP EL tre fae pecias 02048 8 845 EEES gt SS 55585 02520901000 ges nez z
88. generated in the receiver The side tone level is a fixed proportion in the order of 10dB relative to full scale in the receive path By default all audible indicators are turned off The combined audio and side tone signal is converted to analog form by a 16 bit DAC with integral anti alias filtering This is followed by programmable gain amplifier with a range of 45dB in 1 5 dB steps The amplifier performs muting The DAC is part of the same CODEC device AD6521 The output of the CODEC is fed to an audio power amplifier and to the UI board via a buffer amplifier The output configuration of the audio power amplifier is balanced and drives an internal speaker The power delivered to the speaker is limited by its impedance The speaker has 160 impedance TB7100 Installation and Operation Manual Functional Description 17 Electronics Limited November 2007 2 2 Transmitter Operation Parts of Transmitter main circuit parts of the transmitter board are Board transmitter frequency synthesizer CODEC coder decoder and audio circuitry power supply interface circuitry Software plays a prominent role in the functioning of the board When describing the operation of the radio the software must be included with the above This is considered further below These functional parts are described in detail below Figure 2 3 Transmitter high level block diagram PS PETTCEECTCECCHLEELCLTEEEECLLELLCLELLCELEC
89. ggle Stand by Mode Power Sense Ignition Enter Emergency Mode Send Channel Preset Call Send Network Preset Call 1 External PTT 1 and 2 Inhibit PTT Toggle Tx RF Inhibit Decrement Channel Increment Channel Home Channel BCD Pin 0 to 4 Preset Channel Mute External Audio Input Mute Audio Output Path Unmute Audio Output Path Send Mic Audio To Spkr Force Audio PA On Force Audio PA Off Simulate F1 to F4 Key Toggle F1 to F4 Key LED Toggle Alarm Mode Activate THSD Modem RTS Control DCE Digital Output Line Actions No Action Busy Status Radio Transmission Status Channel Lock Status Reflect PTT Status External Alert 1 and 2 Public Address Status Serial Data Tx In Progress Reflect PTT Inhibit Status Reflect THSD Modem Status Signalling Audio Mute Status SIBT Received Monitor Status Hookswitch Status Call Setup Status Control Status Rx Line 1 to 3 Radio Stunned F1 to F4 Key Status FFSK Data Received Status CTS Control DCE TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Preparation for Operation 97 6 9 Additional Settings The additional link settings control the following functions m subaudible signalling m CTCSS continuous tone controlled squelch system m DCS digital coded squelch soft off Tx tail time tone on idle fan operation channel ID relay polarity channel increment and decrement by function buttons CWID
90. ginning this test verify the test set is rated to handle the transmit power being tested 1 Connect the required audio output from the CTU to the audio input port on the test set 2 Set up the test set to measure the distortion level 3 Set the RF signal generator to the correct RF frequency modulated with a 1kHz audio tone at 60 of full system deviation 4 Set the RF output level to 70dBm 5 The measured distortion level should be within the receiver specifications as detailed in the specifications manual 6 3 8 Transmitter Audio Level Adjustment Balanced Line T Set up the test set to measure the transmitter modulation level 2 Connect the input to the audio output port on the test set 3 Set up the test set audio output to be 1 kHz at the required line level typically 10 dBm 4 Activate the Tx Key switch and verify that the transmission is at the programmed power and frequency 5 Adjust RV500 BAL IN on the rear panel to the required deviation typically 60 of full system deviation Unbalanced Line 1 Set up the test set to measure transmitter modulation level TB7100 Installation and Operation Manual Preparation for Operation 69 Tait Electronics Limited November 2007 6 3 9 2 Connect the CTU unbalanced input to the audio output port on the test set 3 Set up the test set audio output to be 1kHz at the required line level typically 1 Vp p 4 Activate the Tx Key switch and verify that
91. he channels This requires two links fitted to the rear ofthe user interface board this will hard wire the F1 and F2 buttons to the increment decrement function It is recommended F1 amp F2 have no other programmed action This option will allow all 99 channels to be selected from the function buttons For more information refer to the technical note TN 1032 AN Implementing Channel Increment and Decrement on the TB7100 available from http support taitworld com 6 17 Continuous Wave Identification CWID CWID Continuous Wave Identification is a method of identifying transmitters by automatically transmitting a radio s call sign in morse code at present intervals For more information refer to the online help of the TB7100 programming application 6 18 Configuring F1 and F2 106 The UI board can be configured to use the F1 and F2 keys to increment and decrement the channel If the UI board is configured in this way F1 and F2 can no longer be programmed using the TB7100 programming application Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 7 Maintenance Guide Performance Checks Receiver Transmitter System Interface Ventilation Cooling Fans The base station is designed to be very reliable and should require little maintenance However performing regular checks will prolong the life of the equipment and prevent problems from happening
92. ibration The following items within the receiver path are calibrated in the Factory m front end tuning m m noise squelch m RSSI received signal strength indication Information on the calibration of these items is given in the on line help facility of the calibration application 2 1 3 Audio Processing and Signalling Audio Processing Data and Signalling Decoders Side Tones CODEC Output to Speakers Raw demodulated data from the receiver is processed within the DSP The sample rate at this point is 48kHz with signal bandwidth limited only by the IF filtering Scaling dependent on the bandwidth ofthe channel is then applied to normalise the signal level for the remaining audio processing The sample rate is decimated to 8kHz and bandpass audio filtering 0 3 to 3kHz is applied The base station takes the audio from the receiver mode at Tap R4 by default this point has no de emphasis This tap point can be changed if required for example for trunking applications The data and signalling decoders obtain their signals from various points within the audio processing chain The point used depends on the bandwidth of the decoders and whether de emphasis is required Several decoders may be active simultaneously Side tones are summed in at the end of the audio processing chain These are tones that provide some form of alert or give the user confidence an action has been performed The confidence tones may be
93. idirectional 11 AUX TXD output 12 AUX GPI1 input BCD 0 default external view 13 OUT output 14 AUX MIC AUD input 15 AGND ground User Interface Connector external view pins 1 to 17 closest to PCB The user interface connectors SK100 of the transmitter and the receiver is a 15 way moulded plastic connector Signal Type Pin Signal Name Notes Transmitter Receiver 1 RX AUD no connection connection connection 2 13 8VDC no connection output 13V8DC for UI board 3 CH TXD input input programming data 4 CH PTT input no connection microphone PTT 5 CH MIC AUD input output audio from microphone 6 AGND ground ground analog ground 7 CH RXD output output programming data 8 DGND ground ground digital ground 9 CH ON OFF output output digital ground 10 VOLWIPDC input volume control 11 CH SPI DO output outpu 12 CHLE output output 13 CHGPIO1 output output digital ground 14 3 3VDC connection outpu for UI board 15 CHSPID1 input input 16 CHSPICLK output outpu 17 5 connection outpu speaker audio 18 5 connection outpu speaker audio 52 Connections TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 4 29 2 51 Board Connectors DC Power The two DC power connectors 102 and J103 on the SI board are heavy
94. instructions below Do not add CTCSS or any additional settings at this stage These are covered in Programmable Features on page 88 See Connecting to the PC on page 88 before beginning Transmitter 1 Place the transmit receive programming switch on the user interface into the transmit position 2 Read the transmitter or start with a new transmitter data file 3 Use the reset to defaults command under the file menu to ensure all the mandatory and recommended settings are in their correct default states 4 Open the specifications form and select the correct RF band not required if the transmitter file was read 5 Open the channels form and add as many channels as are required For each channel enter the m transmit frequency m Tx subaudible signalling value leave as None m power level m bandwidth 6 Open the key settings form and select the required function for each function key For example m FN1 Preset Channel m FN2 Preset Channel m FN Preset Channel m FN4 None 7 Program the transmitter Receiver 1 Place the transmit receive programming switch on the user interface into the receive position 2 Read the receiver or start with a new receiver data file 3 Use the reset to defaults command under the file menu to ensure all the mandatory and recommended settings are in their correct default states 4 Open the specifications form and select the correct band not required if the receiver file was
95. io Source 1 2 Line Unbalanced in 2 3 Rx Audio repeater J503 Rx Audio Destination 1 2 Tx Audio repeater 2 3 Line Unbalanced out J507 Tx Line In Destination 1 2 Tx Mic Audio 2 3 Tx Audio Tap In RV500 Balanced Line In Sensitivity Adjust RV501 Unbalanced Line In Sensitivity Adjust RV502 Unbalanced Line Out Level Adjust RV503 Balanced Line Out Level Adjust a The positions of these links on the also illustrated in TN 1264 AN 6 2 Mode of Operation PCB are illustrated later in this section They are This section shows how to set up the base station for various modes of operation Examples are m line controlled base m talk through repeater m RF modem 60 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 6 3 W data repeater m TaitNet trunking Where applicable the procedure for setting any of the audio levels or other adjustment points will be described along with the procedure for measuring a variety of parameters commonly monitored verify the operation of the base station it is best to configure it as a line controlled base first In this mode of operation the receiver and transmitter modules can be independently tested because all the audio inputs and outputs are accessible via the system interface connector When the base station has been tested as a line controlled base it 1s then a simple process to change the
96. ion and Operation Manual Tait Electronics Limited November 2007 3 Installation This section describes how to install the base station in a standard 19 inch rack or cabinet It also provides some general information on safety precautions and site requirements We recommend that you read the entire section before beginning the installation 3 1 Personal Safety 3 1 1 Lethal Voltages The base station may be fitted with an internal AC power supply unit If an internal AC power supply unit is fitted a standard ICE AC power connector is fitted in the rear panel of the base station refer to Power Connection on page 46 Warning The internal AC power supply unit contains voltages that may be lethal Refer to the ratings label on the rear of the base station The internal AC power supply contains no user serviceable parts Important Before connecting to the AC power connector refer to the ratings label on the rear of the base station for its configured mains voltage The base station must be installed so that the rear of the base station is located in a service access area The plug of the AC power supply cord is intended as the disconnect device Therefore the socket outlet must be installed near the equipment and must be readily accessible Ensure that all power sources AC and are disconnected before opening the base station TB7100 Installation and Operation Manual Installation 33 Electroni
97. is involves sending data from one TM8000 mobile radio to another TM8000 through the TB7100 base station The following equipment will be required m DC power supply m antenna for receiver input m dummy load for transmitter output two TM8000 mobile radios capable of sending and receiving the required data format m two PCs running the terminal application m programming cables for the TM8000 mobile radios The test set up is shown in Figure 6 11 on page 87 The correct operation of the base station as an modem can be verified by transferring text files between the two PCs Figure 6 11 Data repeater test setup Antenna ey See o TM8000 Mobile TM8000 Mobile a Radio a Radio SS H T Terminal rn System Interface Terminal Application Application I 07 58580 TB7100 Installation and Operation Manual Preparation for Operation 87 Tait Electronics Limited November 2007 6 7 TaitNet Trunking The TB7100 base station can be configured to work with a T1810 or T1711 to form part of a TaitNet MPT1327 Trunking System For more information refer to the technical note TN 1033 AN Using the Tait TB7100 in TaitNet MPT1327 Trunked Networks available from http support taitworld com 6 8 Programmable Features The programmable features are applied to the trans
98. ise mute threshold PA power down power up pre emphasis programming Programming Application programming database programming mode 114 Glossary The mandatory settings are settings in the programming application that must not be changed from their default states or the TB7100 will not operate correctly The Mandatory Settings in the receiver module are not the same as those in the transmitter module Multi tone is another term for Selcall A mute controls the circumstances under which a received signal is passed to radio s audio output When a mute is active the radio s speaker audio path opens under certain conditions determined by the type of signalling operating on a channel and the noise mute threshold The noise mute feature ensures that the radio 5 speaker only unmutes when an intelligible signal is received A signal is considered intelligible when it is strong enough to exceed a predetermined noise mute threshold The noise mute threshold is the level the signal must reach before it is regarded as intelligible and the radio s mute is opened The PA power amplifier is a part ofthe transmitter that boosts the exciter output to a certain level sufficient to transmit via the antenna Radio is switched off Radio is switched on Pre emphasis is a process in the transmitter that boosts higher audio frequencies manipulating calibration database radio database The programming application is use
99. its at the programmed power level and frequency When the source is removed the transmitter will stop transmitting With the test set in duplex mode 1 Set up the test set to measure the modulation level and frequency 2 Set the signal generator to correct frequency for receiver 3 Modulate the RF carrier with a 1 KHz audio tone at 60 full system deviation Note Ifsubaudible signalling has been added also modulate the carrier with the required signal 4 Set the RF level to 70 dBm 5 The receiver busy LED turns on and the transmitter keys up and transmits at the programmed power level and frequency The transmitted signal will be the same as received If subaudible signalling has been enabled the required sub tone will also be transmitted 6 Ensure the deviation is at the desired level 6 4 8 X Alternate Talk Through Repeater Configuration Audio Frequency Response Repeater Talk Through Gain Whena talk through repeater is created by linking the audio path using links 1502 and J503 the default frequency response is flat audio The pre de emphasis links 1500 and J501 are not in the audio path and have no effect Whena talk through repeater is created by linking the audio path using links 1502 and 503 the repeater will have no talk through gain If talk through gain is required internally link the base station for line controlled base operation Then externally configure it to operate as a repeat
100. ived from the terminal equipment faster than it can be sent over the air m Ensure hardware flow control is set to None Open the data form RF modems tab The FFSK modem settings do not apply and can be ignored In the THSD modem section set up the following m Wide band modem enabled m Layer 2 Protocol enabled m Forward Error Correction disabled m THSD Lead in Delay default of 30ms is acceptable Program the transmitter Read the receiver or start with a new receiver data file Use the reset to defaults command under the file menu to ensure all the mandatory and recommended settings are in their correct default states Open the specifications form and select the correct band 82 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 4 Open the channels form summary tab Add as many channels as are required and for each channel enter the following W receive frequency m Rx subaudible signalling value Ignored in THSD Mode m squelch setting m bandwidth 5 Open the channels form details tab and for each channel check the use channel for data check box 6 Open the key settings form and select the required function for each function key For example m FN1 Preset Channel same as transmitter m FN2 Preset Channel same as transmitter m FN3 Preset Channel same as transmitter m FN4 Monitor Squelch override Open the data form and in the g
101. le and is discussed in Relay Polarity on page 105 Relay Driver application note TN 1088C AN describes how to connect a coaxial relay T800 09 xxxx to a TB7100 fitted with SI boards 220 02077 04 or later operat ing as a base station Fan Control There are three modes of operation for the fans The modes are on continuous m on when transmitting m on ata pre defined temperature modes of operation are selected by links on the SI board These settings are discussed in Preparation for Operation on page 59 RSSI received signal strength indication RSSI voltage is developed by the receiver module and applied directly to the SI board rear panel Receiver Gate The receiver gate signal is used by the SI board to control TOI and a relay output The receiver gate output on the SYSTEM connector can be used for external equipment such as TaitNet trunking controllers TB7100 Installation and Operation Manual Functional Description 31 Tait Electronics Limited November 2007 2 4 13 Receiver Inhibit The receiver inhibit input on the SYSTEM connector is used to control the receiver gate signal This may be used in linking applications to prevent unwanted receiver audio signals from appearing at the SI board output connector 2 5 Fan Operation Dissipation of Heat Dissipation of Heat from Transmitter Dissipation of Heat from Regulator and Audio PA Dissipation of Heat from RF PAs and Driver
102. led base operation are required See Programming on page 66 for details Note Ifa soft tail setting is required see later in this chapter Soft Off Tx Tail Time on page 100 6 4 6 Audio Level Adjustment There is no audio level adjustment necessary in repeater mode The internal linking is designed to produce a repeater with no talk through gain If talk through gain is required it can be implemented by linking back the audio using a DB25 connector on the SI board and setting the audio levels as required see Alternate Talk Through Repeater Configuration on page 75 for a more detailed explanation 6 4 7 Talk Through Repeater Functional Testing Repeater Key 74 Preparation for Operation The basic operation of the base station has already been tested as a line controlled base This section describes the additional functional tests required to verify that the base station is operating correctly as a repeater With the test set in duplex mode 1 Set up the test set to measure the transmitter power and frequency output 2 Set the signal generator to the correct frequency for the receiver Note Ifsubaudible signalling has been added also modulate the carrier with the required signal 3 Set the level to 70dBm TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Talk Through 4 The receiver busy LED turns on and the transmitter keys up and transm
103. links to the required mode of operation and perform any additional functional testing required for that mode of operation Line controlled Base In the line controlled base mode the audio and control signals are routed from the external 25 way D range connector through the SI board to the receiver and transmitter modules External equipment is used to control the operation of the base station Figure 6 1 Line controlled base 7 i RF In RF Out Receiver Transmitter 6 3 1 Test Equipment Required The following test equipment is used to setup the base station for line controlled base operation m TBAOSTU calibration test unit CTU which includes the CTU adaptor TB7100 Installation and Operation Manual Preparation for Operation 61 Tait Electronics Limited November 2007 and CTU cable or m TBAOST calibration test unit CTU TBBOSTU TBB CTU adaptor 220 02068 xx and CTU cable 219 02888 xx m PC programming cables and the TB7100 programming application m digital voltmeter m DC power supply not necessary with internal AC power supply unit option m RF test set with RF power meter modulation analyser RF signal generator sinad meter audio distortion meter audio level meter audio signal generator Calibration Test Unit CTU is used to configure and test the base station The same CTU 15 used for TB8000 and TB9000 base station equipment so only some ofthe features
104. mitter and receiver modules by using the TB7100 programming application 6 8 1 Connecting to the PC 1 Plug the TPA SV 006 or T2000 A19 programming lead into the RS 232 serial port on a PC Note A USB to RS 232 adaptor can be used if the PC does not have a built in serial port 2 Connect the TMAA20 04 adaptor cable RJ12 socket to RJ45 plug to the RJ12 plug on the TPA SV 006 or T2000 A19 programming lead 3 Plug the RJ45 plug on the TMAA20 04 adaptor cable into the PROG MIC connector located on the front panel of the base station Select whether the TB7100 programming application communicates with the transmitter or receiver module by using the receiver transmitter programming switch located on the user interface next to the PROG MIC connector 6 8 2 7100 Programming Application The TB7100 programming application allows the configuration parameters of receiver or transmitter to be read out ofa module edited and written back into the module It is also possible the save the data files so if a module ever needs to be replaced the previously saved data file can be programmed into the new module The model toolbar indicates whether the data file is for a receiver or transmitter module Appearance The TB7100 programming application has been optimised for mouse navigation Most features can be easily enabled and configured using a check box or drop down list and the frequencies for each channel are simply typed into a ta
105. n Manual Tait Electronics Limited November 2007 Glossary This glossary contains an alphabetical list of terms and abbreviations related to the TB7100 base station For information about trunking mobile or portable terms consult the glossary provided with the relevant documentation A accessor An accessory is an ancillary device fitted externally to a base station such as y an external microphone active The digital outputs can be programmed to be active high or low when the selected action is true The digital inputs can be programmed to be active high or low for a selected action All base station digital outputs are open collector ADC Analog to Digital Converter A device for converting an analog signal to a digital signal that represents the same information anti kerchunking Anti kerchunking is a base station feature that discourages users from pinging kerchunking the repeater with short bursts of RE audible indicators The radio s audible indicators are used in combination with visual indicators to provide feedback to the radio user Types of audible indicators are incoming call tones warning tones confirmation tones keypress confidence tones and signalling sidetones backlighting The radio s display or keypad lights up when there is activity on the radio such as when a key is pressed or when a call is received The value of the backlighting timer and how backlighting was activated determine how long b
106. n circuit Indicators provide feedback to the radio user on how the current operation 15 proceeding and on the operating state of the radio For example keypress confidence tones are the tones heard when a keypad key or a function key is pressed and tell the user that an action is permitted Tait radios use combinations of audible indicators and visual indicators Prevents the radio state changing An isolator is a passive two port device which transmits power in one direction and absorbs power in the other direction It is used in a PA to prevent damage to the circuitry from high reverse power and reduces the generation of spurious product due to the ingress of signals from other transmitters Kerchunking is transmitting for a second or less without saying anything in order to test the base station This results in a kerchunk sound keypress confidence tone is a type of audible indicators given each time the user presses a key to confirm that the action selected is valid A Liquid Crystal Display LCD is used on the TB7100 user interface to display channel number A 7100 is a line controlled base station when it receives audio sending it out via its systems interface transmits audio received over its systems interface and its transmitter is keyed via the Tx Key line See city squelch Glossary 113 Tait Electronics Limited November 2007 M Mandatory Settings multi tone mute N noise mute no
107. n is protected by a rear panel fuse The 13 8V is distributed directly to TB7100 Installation and Operation Manual Functional Description 29 Tait Electronics Limited November 2007 the receiver and transmitter boards and to the 13 8VDC output on the SYSTEM connector rated at 1 5 A The 13 8VDC is also used to power the fans via control circuitry Note The UI board obtains 13 8V and 3 3V from the receiver module and outputs 13V8_SW to PROG MIC connector 3 3V 4 5V 9V 13 8V other voltages derived on the SI board are used only on the SI board 2 4 2 Serial Data THSD Tait High Speed Data THSD is a proprietary protocol of Tait Electronics Limited that can be used with the base station This allows the base station configured in either data repeater or data modem modes to pass data speeds up to 12kbps on a narrow band channel and 19 2kbps on a wide band channel 1200 baud Fast Frequency Shift Keyed FFSK data is also available To prevent multiple simultaneous THSD transmission collisions the Service Kit can be used to enable the THSD anti collision feature With this feature enabled as soon as the receiver detects data being received at the base station the transmitter will be keyed up to transmit dummy data packets inhibiting other radios in the field from transmitting 2 4 3 General Purpose IO The transmitter and receiver boards can be programmed to act upon signals from the SI board and also outputs sign
108. n out 2 input output output high 23 1 V no load TX AUX GPIO6 low 0 6 V 10mA sink extemal view input high 21 7 V low lt 0 7 V 13 ground ground 14 Rx gate output open collector 15 Tx key input active low 16 Rx relay comm output 17 Rx relay NO or NC output 18 Rx Inhibit input O to 3 3V active low 19 Rx digital in out 1 input output output high 23 1 V no load GPIO5 low 0 6 V 10mA sink input high 21 7 V low 0 7 V 20 Tx Opto input input input voltage range to 21 TxOpto input input 60VDC 22 Rx digital in out 2 input output output high 23 1 V no load GPIO6 low 0 6 V 10mA sink input high 21 7 V low 0 7 V 23 Digital output Tx relay output active low sinks up to 250mA 24 Rx audio output output 4 4 Vp 25 13 8 volt output power output resetable SMD fuse 1 5A The system connector J106 at the rear of the base station is a 25 way TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Connections 49 Serial Data The serial data connector 1054 labelled is a 9 way female D range Connector connector which provides a data connection to the base station Pin Signal Name Signal Type Notes 1 not connecte not use 2 receive data output data transmitted by TB7100 3 transmit data in
109. ncy range is reserved worldwide for use by Distress Beacons Do not program transmitters to operate in this frequency range 3 3 2 Compliance This device complies with part 15 ofthe Rules Operation is subject to the condition that this device does not cause harmful interference 3 3 3 Unauthorised Modifications Any modifications you make to this equipment which are not authorised by Tait Electronics Ltd may invalidate your compliance authority approval to operate the equipment 3 3 4 Health Safety and Electromagnetic Compatibility in Europe Intended Purpose of Product In the European Community radio and telecommunications equipment is regulated by Directive 1999 5 EC also known as the Radio and Telecommunications Terminal Equipment R amp TTE directive The requirements of this directive include protection of health and safety of users as well as electromagnetic compatibility This product is an FM radio transceiver Its intended purpose is for radio communication in Private Mobile Radio PMR services or Public Access Mobile Radio services to be used in all member states of the European Union EU and states within the European Economic Area EEA Important This product can be programmed to transmit on frequen cies that are not harmonised throughout the EU EEA and will require a licence to operate in each member state 1 Refer to the specifications manual for more information
110. nfiguration the system interface connector is not used so it is not necessary to set the line output level or line input sensitivity Programming for FFSK Operation To program a base station for FFSK operation 1 Read the transmitter or start with a new transmitter data file 2 Use the reset to defaults command under the file menu to ensure all the mandatory and recommended settings are in their correct default states 3 Open the specifications form and select the correct RF band 4 Open the channels form summary tab Add as many channels as are required and for each channel enter the following m transmit frequency m Tx subaudible signalling value m power level m bandwidth 5 Open the channels form details tab and for each channel check the Use channel for data check box 6 Open the key settings form and select the required function for each function key For example TB7100 Installation and Operation Manual Preparation for Operation 79 Electronics Limited November 2007 m FN1 Preset Channel m FN2 Preset Channel m FN Preset Channel m FN4 None 7 Open the data form and in the general tab m In the command mode section disable all check boxes m In the transparent mode section select transparent mode enabled and de select the other check boxes m Set Power Up State to FFSK transparent mode 8 Open the data form and in the serial communications tab m Inthe serial communications setup field
111. ng Invert Rx DCS Enabled Disabled Disabled Channels Detailed RX Frequency 000 000000 Required receive 999 999999 channel frequency Channels Detailed RX Sig CTCSS tone OR DCS tone Channels Detailed Network 1 4 1 Channels Detailed Bandwidth 12 5 20 25 12 5 Channels Detailed Squelch country city hard city Channels Detailed Use Channel For Enabled Disabled Disabled Data Key Settings Key 1 Key Action see Key Action type none Key Settings Key 2 Key Action see Key Action type none Key Settings Key 3 Key Action see Key Action type none Key Settings 4 Key Action see Key Action type none UI User Interface Backlight Mode off activity continuous off Preferences UI User Interface Backlight Duration 0 15 5 Preferences PTT MIC PTT PTT Transmission Type voice data none 92 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Transmitter User defined Settings constraining settings The user defined settings for the transmitter are shown below The cells in grey denote that the value should stay as detailed because of other Form Tab Item Name Value Range Recommended Data General Transparent Mode Enabled Disabled Enabled Enabled Data General THSD Modem 5
112. ntrol follows and is used to effectively increase dynamic range by boosting the gain of the microphone pre amplifier under quiet conditions and reducing the gain under noisy acoustic conditions The ALC function resides in the DSP and controls the microphone programmable gain amplifier in the CODEC The ALC has a fast attack about 10ms and slow decay up to 2s characteristic This characteristic ensures that the peak signal level is regulated near full scale to maximise dynamic range The output of the automatic level control provides the input to the DSP audio processing chain at a sample rate of 8kHz Optional processing such as encryption or companding is done first if applicable Pre emphasis if required is then applied The pre emphasised signal is hard limited to prevent over deviation and filtered to remove high frequency components The sample rate is then interpolated up to 48kHz and scaled to be suitable for the frequency synthesizer The data and signalling encoders inject their signals into various points within the audio processing chain The injection point depends on the bandwidth of the encoders and whether pre emphasis is required 2 2 20 Frequency Synthesizer Main Parts of Synthesizer Frequency Control Loop The frequency synthesizer consists of two main parts m FCL frequency control loop m RF PLL phase locked loop The FCL and RF PLL are described briefly below Note that patents are pending for several as
113. o 225 MHz D1 216 to 266 MHz G2 350 to 400 MHz H5 400 to 470MHz 450 to 530 H7 450 to 520MHz m bb identifies the frequency band of the receiver 4 66 to 88MHz 1 136 to 174 MHz 174 to 225 MHz D1 216 to 266 MHz G2 350 to 400 MHz 5 400 to 470MHz 6 450 to 530MHz H7 450 to 520MHz m cidentifies the output power and digital architecture A 25 W level 1 digital architecture B 35W to 50W level 1 digital architecture TB7100 Installation and Operation Manual Introduction 11 Tait Electronics Limited November 2007 m didentifies the power supply option 0 DC only 1 internal AC power supply unit factory preset to 115 2 internal AC power supply unit factory preset to 230 VAC m eidentifies the AC power cable 1 Australia New Zealand 2 United Kingdom 3 Europe 4 USA m ffidentifies base station options 00 no options 12 Introduction TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 2 Functional Description Figure 2 1 This section describes some principles of the base station operation Figure 2 1 shows the high level block diagram of the base station Base station high level block diagram
114. ogramming application enables the user to program the base station with the required channels and subaudible signalling settings The transmitter and receiver modules are programmed individually according to the setting of the TX RX switch The calibration application is a program on a PC that is connected to the base station via the PROG MIC connector The transmitter and receiver modules are designed to be totally electronically tuned INo physical tuning 1s required as all tuning 15 done by electronic trimming The calibration application can assist in the tuning of AD6521 CODEC voltage reference frequency receiver front end transmitter driver and final gate bias limit transmitter power control deviation and squelch Pressing the function keys will activate the functions assigned using the TB7100 programming application Function keys may have functions assigned to both short and long key presses A short key press is less than one second and a long key press is more than one second Note The UI board can be configured to use the F1 and F2 keys to increment and decrement the channel If the UI board is config ured in this way F1 and F2 can no longer be programmed using the TB7100 programming application 24 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Volume Control and Internal Speaker UI Board Rotate the volume control potentiometer clockwise
115. oice data Voice TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Preparation for Operation 93 Receiver The user defined settings for the receiver digital IO are shown below Digital IO The cells in grey denote mandatory settings Pin Direction Label Action Active Debounce Signal Mirrored State To AUX_GPI1 nput BIN_O No Action Low 10 None None AUX_GPI2 nput BIN_1 No Action Low 10 None None AUX_GPI3 nput BIN_2 No Action Low 10 None None AUX_GPIO4 Input BIN_4 No Action Low 10 None None AUX GPIO5 None RX_DO_1 No Action Low None None None AUX_GPIO6 None RX_DO_2 No Action Low None None None AUX_GPIO7 Output RXGATE Busy Status High None None None Transmitter The user defined settings for the transmitter digital IO are shown below Digital lO The cells in grey denote mandatory settings Pin Direction Label Action Active Debounce Signal Mirrored State To AUX_GPI1 Input BIN_O No Action Low 10 None None AUX GPI2 BIN 1 No Action Low 10 None None AUX GPI3 BIN 2 No Action Low 10 None None AUX GPIOA Input BIN 4 No Action Low 10 None None AUX GPIO5 None TX DO 1 No Action Low None None None AUX GPIO6 None TX DO 2 No Action Low None None None AUX 7 Input External PTT High 2 None Non
116. on is 2 3 2 3 Fan temperature controlled 64 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Figure 6 3 Link positions on the SI board J401 J207 laveoe E 1200 _ 10401 mu I Cas co o I T L W402 sass 825020063003003 ST 5 LE gb E 1206 2 E rr CTT oe 1507 n 2 Bs m 9 000 9 b E 0203 Ro oc AE 13 n c 900502 men ES vo E lt m 2 eot 5 5 m E 5 ITOT 1 PCB version 220 02077 06 shown J500 J503 J400 6 3 4 Applying Power TB7100 Installation and Operation Manual Before turning on the base station check that m all looms and cables at the front and rear of the base station are fitted correctly m all connectors are secure m the 20A fuse is fitted Turn on the power supply and check that the base station powers up correctly m The power LED on the user interface lights up m The LCD indicates the current channel number Preparation for Operation Tait Electronics Limited November 2007 65 6 3 5 Programming To program a base station for line controlled base operation follow the
117. on level should be within the transmitter specifications as detailed in the specifications manual Note Ifthe measured value does not agree with the programmed set tings the transmitter module is either faulty or needs recalibrating When measuring the maximum deviation the audio input signal can be via either the balanced or unbalanced audio input TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 If CTCSS is to be added this should be done before carrying out this test Refer to Enabling Subaudible Signalling on page 98 for instructions 1 Set up the test set to measure the deviation of the signal 2 Connect the audio output from the test set to the required CTU audio input 3 Set up the test set audio generator output to be 1 kHz and at the required level to produce 6096 full system deviation this 1s the level used in the audio level adjustment section 4 Activate the Tx Key switch and verify that the measured deviation is 6096 of full system deviation 5 Increase the test set audio generator output level by 20dB and sweep the audio frequency from 100Hz to 4kHz 6 The maximum measured deviation level should not exceed the full system deviation programmed for the channel mitter module is either faulty or needs recalibrating Note Ifthe measured value exceeds the programmed settings the trans 6 4 Talk Through Repeater Once the base station has been set up and te
118. onnector N type on the Rx and TX ANT rear panel of the base station The RF output is via the TX ANT connector P P IN type on the rear panel of the base station The RF connector is an N type connector with an impedance of 500 Important maximum RF input level is 27dBm Higher levels may damage the radio Pin Signal Name Signal Type Notes 1 RF analog 2 GND RF ground rear view 48 Connections TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 System Connector SYSTEM standard density D range socket Pin Signal Name Signal Type Notes Tr 1 Rxmeoutput audo output transformer isolated line odBm 2 Tx Rx digital input 1 input high 21 7 V low lt 0 7 V D GPI1 O 3 Tx Rx digital input 2 5 GPI2 4 Rx line output audio output transformer isolated line 4 5 Tx line input audio input transformer isolated line 5 D 6 Tx Rx digital input 3 input high 21 7 V low lt 0 7 V GPI3 7 Tx Rx digital input 4 input output high 23 1 V no load AUX GPIOA low 0 6 V 10mA sink input high 21 7 V low 0 7 V 8 Tx line input audio input transformer isolated line Q2 9 RSSI output DC signal 0 6 to 2 5V 63 10 Tx digital in out 1 input output output high 23 1 V no load 4 TX AUX GPIO5 low 0 6 V 10mA sink input high 21 7 V low lt 0 7 V Q5 11 Tx audio input audio input B 12 Tx digital i
119. ons The device in a radio that analyses and processes signals in the digital domain Also known as DSP A duplexer is a device for connecting one antenna to a transmitter and receiver at the same time Duty cycle is used in relation to the transmitter It is the proportion of time expressed as a percentage during which the transmitter is keyed The transmitter can be operated continuously Glossary 111 Tait Electronics Limited November 2007 EIA EMC ETSI FFSK five tone frequency band front panel Full Duplex function key G gating GPIO H hysteresis 112 Glossary Electronic Industries Alliance Accredited by the American National Standards Institute ANSI and responsible for developing telecommunications and electronics standards in the USA Electromagnetic Compatibility The ability of equipment to operate in its electromagnetic environment without creating interference with other devices or being susceptible to disturbance in the presence of other equipment European Telecommunications Standards Institute The non profit organisation responsible for producing European telecommunications standards FFSK fast frequency shift keying In Trunking applications this is the method by which code words are sent over the control channel In 1200 baud FFSK a 1200 Hz tone represents a zero and an 1800 Hz tone represents a one Five tone is another term for Selcall The range of frequencies that
120. ontinuous m on when base station transmits set temperature The fan operation can be set as shown in the table below Link Settings 1 Remove the cover as detailed in Opening the Base Station on page 57 2 Set the jumper positions on the SI board to match Table 6 12 Refer to Figure 6 12 on page 101 for link locations 3 Fit the cover as detailed in Closing the Base Station on page 58 Table 6 12 Fan operation link settings LINK Name Pins Position Function Comments J206 Fan Control 1 3 1 2 Fans controlled by J207 Default position is 1 2 2 3 Fans always on J207 FanControl2 3 1 2 Fans Tx key controlled Default position is 2 3 2 3 Fans temperature controlled The temperature threshold is set at the factory to 40 C The potentiometer and test point to adjust the temperature threshold can be found on the SI board Refer to Figure 6 12 on page 101 for the location Designator Function RV200 temperature threshold adjust J222 test point for temperature threshold When adjusting the temperature threshold the fans must be off The temperature threshold to voltage relationship is shown in Figure 6 13 on page 104 TB7100 Installation and Operation Manual Preparation for Operation 103 Tait Electronics Limited November 2007 Figure 6 13 temperature threshold to voltage relationship RV200 and test point J222
121. or Example Two The customer also wants an acknowledgement sent back to confirm that the command to turn on the lights was received At first the solution would appear to be to enable Selcall auto acknowledgments However this would not work because the base station has separate receiver and transmitter modules The receiver module will decode the selcall and enable the I O line but has no method of informing the transmitter to send back an acknowledgment In fact the receiver module would attempt to transmit the acknowledgment itself but would be inhibited by other mandatory settings 6 8 6 Function Keys The base station also has four user defined function keys on the user interface and programmable digital input and output lines on the system connector The tables below list the options that can be assigned to the function keys and the digital input and output lines The grey cells can be programmed but are not recommended see Recommended Settings on page 95 Function Key Options Monitor Squelch Override Action Digital Output Line Backlighting Timer Backlighting Toggle Preset Channel Backlighting Timer Toggle Quiet Operation Silent Operation Keypress Tones Toggle Keypress Tones Volume Squelch Override Low Power Transmit Monitor 96 Preparation for Operation TB7100 Installation and Operation Manual Electronics Limited November 2007 Digital Input Line Actions No Action To
122. oviding they verify the correct operation of the enabled or modified feature No guarantee is given that a feature will work if the recommended settings disable the feature or if a recommended value is changed Although the individual modules are capable of these features they cannot be fully supported by the base station because of its two module configuration A few examples of features that are not fully supported by the base station are m selcall two tone emergency mode scanning encryption voice inversion The reset to defaults feature in the TB7100 programming application will ensure all recommended settings are in their recommended default state explain recommended settings more clearly two Selcall examples are given below The first example shows that although Selcall is not a supported feature of the base station systems designers have much more flexibility to meet a customer s requirement customer has a requirement to remotely turn on external lighting at the base station site Although Selcall is not a supported feature of the base station it 15 likely that enabling Selcall in the receiver could meet this customer s requirement With Selcall enabled a control status could be programmed to turn on a Preparation for Operation 95 Tait Electronics Limited November 2007 Programmable I O line This line could be connected to the lighting control circuit at the site via the system interface connect
123. pects of the synthesizer design The FCL consists of the following a TCXO mixer m loop filter m VCXO voltage controlled crystal oscillator m frequency control block The FCL provides the reference frequency for the PLL It generates a high stability reference frequency that can be both modulated and offset in fine resolution steps TB7100 Installation and Operation Manual Functional Description 19 Electronics Limited November 2007 RF PLL The RF PLL consists of the following m RF PLL device m loop filter m VCO voltage controlled oscillator m VCO output switch The RF PLL has fast locking capability but coarse frequency resolution The above combination of control loops creates improved frequency generation and acquisition capabilities Operation of The RF PLL is a conventional integer N design with frequency resolution Control Loop of 25 KHz In transmit mode the loop locks to the transmit frequency Initially the VCO generates an unregulated frequency in the required range This is fed to the PLL device ADF4111 and divided down by a programmed ratio to approximately 25 kHz The reference frequency input from the FCL is also divided down to approximately 25kHz The phase of the two signals is compared and the error translated into a DC voltage by a programmable charge pump and dual bandwidth loop filter This DC signal is used to control the VCO frequency and reduce the initial error The loop eventually s
124. put data received by TB7100 4 not connected not used 5 ground ground 9 6 not connected not used external view 7 ready to transmit output request to send 8 Clear to send input Clear to send 9 not connected not used For programming the base station the PROG MIC port must be used see below m Note Programming Micro The PC running the programming and calibration application is connected phone Connector to the base station via the programming microphone connector SK3 of PROG MIC 1 the UI board The programming microphone connector is an 8 way RJ45 socket Use the TPA SV 006 or the T2000 A19 programming lead and a TMAA20 04 adapter to connect the PC to the base station It is possible to plug the RJ11 directly into the RJ45 socket without the use of the adapter but this is not recommended A microphone can also be connected to the base station via this connector Pin Signal Name Signal Type Notes 1 not connected not connected TENE 2 13V8 SW output 13 8V 250mA 3 TXD input transmit data 4 PIT input PIT 5 MIC AUD IN input voice band microphone input 6 GND ground external view 7 RXD output receive data 8 not connected not connected 50 Connections TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 4 2 Internal Connectors 4 2 1 Transmitter and Receiver Connectors RF
125. read 5 Open the channels form and add as many channels as are required For each channel enter m receive frequency 66 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 m Rxsubaudible signalling value leave as None m squelch setting m bandwidth Open the key settings form and select the required function for each function key For example m FN1 Preset Channel same as transmitter m FN2 Preset Channel same as transmitter m FN3 Preset Channel same as transmitter m FN4 Monitor Squelch override Program the receiver 6 3 6 Receiver Audio Level Adjustment Unbalanced Line Balanced Line Connect the unbalanced output from the CTU to the audio input port on the test set and set up the test set to measure the audio level Set the RF signal generator to the correct RF frequency modulated with a 1kHz audio tone at 60 of full system deviation Set the output level to 70dBm Verify that the receiver gate opens and the busy LED turns on Adjust RV502 UNBAL OUT on the rear panel to set the unbalanced output to the required level typically 1 Vp p or 354mV Rms Connect the line output from the CTU to the audio input port on the test set and set up the test set to measure the audio level Turn the CTU 600 ohm switch on Set the signal generator to the correct frequency modulated with a 1kHz audio tone at 60 of full system
126. rface Confidence Tones Disabled UI Preferences User Interface Silent Mode Disabled UI Preferences Audible Indicators Enabled All Disabled Startup Startup Power On Mode Power on Startup Startup Reset On Error Enabled PTT MIC PTT PTT Priority high PTT MIC PTT Audio Source CH MIC PTT External PTT 1 PTT Transmission Type none PTT External PTT 1 PTT Priority medium PTT External PTT 1 Audio Source CH MIC 90 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Transmitter Mandatory Settings The mandatory settings for the transmitter are shown below if these change the transmitter will no longer operate Form Tab Item Name Setting Data General Output SDMs Automatically Disabled Data Serial Communications Data Port AUX Data Serial Communications XON Character 11 Data Serial Communications XOFF Character 13 Basic Settings Sub Audible Signalling Invert Rx DCS Disabled Channels Detailed RX Frequency 000 000000 Channels Detailed RX Sig none Channels Detailed Squelch hard UI Preferences User Interface Confidence Tones Disabled UI Preferences User Interface Silent Mode Disabled UI Preferences Audible Indicators Enabled All Disabled Startup Startup Power On Mode Power on Startup Startup Reset On Error Enabled MIC PTT PTT Priority high PTT MIC PTT Audio Source CH Mic External PTT 1 PTT Priority medium PTT E
127. rmware items prior installed in the related Tait product included on CD or downloaded from the Tait website hereinafter referred to as Software or Firmware you agree to be bound by the terms of this Agreement If you do not agree to the terms of this Agreement do not install and use any of the Software or Firmware If you install and use any of the Software or Firmware that will be deemed to be acceptance of the terms of this licence agreement The terms of this Agreement shall apply subject only to any express written terms of agreement to the contrary between Tait and the Licensee Licence GRANTS TO YOU AS LICENSEE THE NON EXCLUSIVE RIGHT TO USE THE SOFTWARE OR FIRMWARE ON A SINGLE MACHINE PROVIDED YOU MAY ONLY 1 COPY THE SOFTWARE OR FIRMWARE INTO ANY MACHINE READABLE OR PRINTED FORM FOR BACKUP PURPOSES IN SUPPORT OF YOUR USE OF THE PROGRAM ON THE SINGLE MACHINE CERTAIN PROGRAMS HOWEVER MAY INCLUDE MECHANISMS TO LIMIT OR INHIBIT COPYING THEY ARE MARKED COPY PROTECTED PROVIDED THE COPYRIGHT NOTICE MUST BE REPRODUCED AND INCLUDED ON ANY SUCH COPY OF THE SOFTWARE OR FIRMWARE AND OR 2 MERGE IT INTO ANOTHER PROGRAM FOR YOUR USE ON THE SINGLE MACHINE ANY PORTION OF ANY SOFTWARE OR FIRMWARE MERGED INTO ANOTHER PROGRAM WILL CONTINUE TO BE SUBJECT TO THE TERMS AND CONDITIONS OF THIS AGREEMENT LICENSEE MAY NOT DUPLICATE MODIFY REVERSE COMPILE OR REVERSE ASSEMBLE ANY SOFTWARE OR FI
128. s LimitedNovember 2007 Preface Scope of Manual Welcome to the TB7100 Installation and Operation Manual This manual provides information on installing and operating the TB7100 base station Also included in this manual are a high level circuit description a functional description and a maintenance guide Document Conventions File gt Open means click File on the menu bar then click Open on the list of commands that pops up Channel Setup gt Channels gt Detailed means in the navigation pane find the Channel Setup group and select Channels from it on the Channels page select the Detailed tab Within this manual four types of alerts are given to the reader Warning Caution Important and Note The following paragraphs illustrate each type of alert and its associated symbol Hoo D Warning This alert is used when there is a potential risk of death or serious injury Caution This alert is used when there is a risk of minor or moderate injury to people Important This alert is used to warn about the risk of equipment dam age or malfunction Note This alert is used to highlight information that is required to ensure procedures are performed correctly Associated Documentation The following associated documentation is available for this product MBB 00002 xx 00003 00006 00007 00008 00005 1787100 Installation and Operation Manu
129. sible company which supports waste minimization material recovery and restrictions in the use of hazardous materials The European Union s Waste Electrical and Electronic Equipment WEEE Directive requires that this product be disposed of separately from the general waste stream when its service life is over For more information about how to dispose of your unwanted Tait product visit the Tait Electronics WEEE website at www taitworld com weee Please be environmentally responsible and dispose through the original supplier or contact Tait Electronics Limited Tait Electronics Limited also complies with the Restriction ofthe Use of Certain Hazardous Substances in Electrical and Electronic Equipment RoHS Directive in both the European Union and China In China we comply with the Measures for Administration of the Pollution Control of Electronic Information Products We will comply with environmental requirements in other markets as they are introduced TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Contents Pence uu x SOS Rupe pap qu te Sead dou de MR pM ud Mod 7 7 Documenti DUECOHUDIM REEERE 7 Associated Documentation RR RACK Roe de 7 eaa saa aae xd pte riage beu cad dx auque xddqa quis d s 8 1 Introductio 22 2222
130. sted as a line controlled base it is simple to convert it into a talk through repeater In this mode of operation the received audio and receiver gate from the receiver module are looped back to the transmitter Figure 6 4 Talk through repeater RF In RF Out Receiver Transmitter 2 gt o IS o S E System Interface TB7100 Installation and Operation Manual Preparation for Operation 71 Tait Electronics Limited November 2007 6 4 1 Test Equipment Required The following test equipment is used to setup the base station for talk through repeater operation m PC programming cables and the TB7100 programming application digital voltmeter m DC power supply m RF test set with RF power meter modulation analyser RF signal generator sinad meter audio distortion meter audio level meter audio signal generator 6 4 2 Test Equipment Setup 1 6 4 3 Link Settings Connect the PC to the programming port on the front panel of the base station See Connecting to the PC on page 88 Connect the receiver N type connector to the RF test set signal generator output port Connect the transmitter N type connector to the RF test set power and modulation meter input port check the test set is rated for the transmit power of the base station Connect the 13 8V power supply to the DC input on the base station ensuring correct polari
131. th negative Connection d ground Note base station will not charge the battery via the DC power connector when an internal AC power supply unit is fitted The DC power connector J105 at the rear of the base station is a heavy duty M4 screw terminal connector suitable for many forms of connection Pin Signal Name Signal Type Notes 1 13 8VDC input 2 ground input external view You must connect the DC supply from the battery to the base station via a readily accessible disconnect device such as a fuse or DC rated circuit breaker with the appropriate rating as shown in the table below The DC input leads should be of a suitable gauge to ensure less than 0 2V drop at maximum load over the required length of lead Nominal Supply Input Voltage Circuit Recommended Voltage Range Breakerkuse Wire Gauge Rating 13 8VDC 10VDC to 16VDC 20A 8AWG 8 35mm a For a length of 1 5m to 2m 5ft to 6 5ft typical Terminate the DC input leads with a suitable crimp connector for attaching to the J105 screws Figure 4 3 Recommended DC power connection Circuit Breaker or Fuse T TB7100 base station T Battery Ground Point The ground point is a terminal for grounding the tray to the mounting rack TB7100 Installation and Operation Manual Connections 47 Tait Electronics Limited November 2007 RF Connections The RF input to the base station is via the RX c
132. the equipment is capable of operating on The part of the chassis that has the user interface on it Full duplex is the action of receiving and transmitting at the same time function key is a key on a radio or radio accessory that can have functions assigned to it Gating is the process of opening and closing the receiver audio path When a valid signal is received the receiver audio path opens General Purpose Input Output GPIO lines are used on the TB7100 to configure it for different modes Hysteresis is the difference between the upper and lower trigger points For example the receiver gate opens when the upper trigger point is reached but will not close until the level falls to the lower trigger point An adequate TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 idle inactive indicator inhibit isolator K kerchunking keypress confidence tone LCD line controlled base station local squelch TB7100 Installation and Operation Manual hysteresis prevents the receiver gate from repeatedly opening and closing when the level is about that of the trigger point The state of the radio in trunked mode when it is not engaged in a call or call setup or in conventional mode when the radio is not transmitting Digital outputs are inactive if the base station is doing nothing to them They are floating open collector outputs Digital inputs are inactive when they are ope
133. the transmission is at the programmed power level and frequency 5 Adjust RV501 UNBAL IN on the rear panel to the required deviation typically 6096 of full system deviation Transmitter Functional Testing Tx Power and Frequency Audio Distortion Maximum Deviation 70 Preparation for Operation This section describes how to test some parameters commonly found on channel test sheets 1 Set up test set to measure frequency and power level 2 Activate the Tx Key switch on the CTU 3 Verify that the measured power level and frequency match the programmed settings within the expected accuracy of the test set and taking into account cable losses Note Ifthe measured value does not agree with the programmed set tings the transmitter module is either faulty or needs recalibrating When measuring the transmitter audio distortion the audio input signal can be via either the balanced or unbalanced audio input 1 Connect the audio output from the test set to the required CTU audio input 2 Set up the modulation analyser in the test set to measure the distortion of the modulated audio signal 3 Set up the test set audio generator output to be 1kHz and at the level required to produce 6096 full system deviation this is the same level used in the audio level adjustment section 4 Activate the Tx Key switch and verify that the measured deviation is 60 of full system deviation 5 The measured distorti
134. tion on page 58 Table 6 10 Soft off link settings LINK Name Pins Position Function Comments W302 TX Key to Fitted When fitted this allows two Default is fitted TX GPIOG6 link Not fitted external PTTs to control the transmitter used for soft off mode 4 Add the following to the default Tx configuration m AUX_GPIO6 gt Direction input m AUX_GPIO6 gt Action External PTT 2 m AUX_GPIO6 gt Active High m AUX_GPIO6 gt Debounce 200 or smaller if desired m External PTT 2 gt Transmission Type Voice m External PTT 2 gt Audio Source Aux Mic or Ch Mic whichever is not being used Note maximum of 200ms tail time can be achieved using this method Figure 6 12 Link positions on the SI board W301 W300 W302 J401 W402 RV400 RV401 W401 1207 J222 RV200 1206 4940 aveos eaten aS ato tot HH Stang ER SEESES ETE fe SES it ao zt rin ase 3109 5 a 4048 2 1 mm 22 TIO 18 o dn d as E k Sgaioge rage mee 2 2 jer Ser 9 15 iim uie o Bara a so Baad am DA 5250 Py mmo lt 000 S PS PS 220 02077 06 shown TB7100 Installa
135. tion and Operation Manual Functional Description 27 Tait Electronics Limited November 2007 Figure 2 7 SI board block diagram SI Board 13 8V AUD IN TX KEY TX DATA 13 8V AUD OUT AUX IO AUXIO RX RX DATA CWID 13 8V 3 3V 13 8V Mains fail signal l AGND IN 7 RX AUDIO OUT RX AUDIO IN TX AUDIO IN RX LINE IN RX GATE RSSI 13 8V out 28 Functional Description TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 2 4 1 Internal Power Distribution This section details how the input power feed is distributed throughout the base station to power its various sub systems Refer to Figure 2 8 for more information Figure 2 8 Power distribution iN Do4d N Receiver Interface CODEC and Audio Interface and Audio 9v 6V Power Supply Circuitry Power p Supply Circuitry Audio Circuitry Data Circuitry Control Circuitry 9v 3 3V 4 5V Fan Control Circuitry Power Supply Circuitry 13 8V DC This is from either the DC input on the rear of the base station or from an optional internal AC power supply unit When AC mains is present power will not be drawn from the DC input The DC power input of the base statio
136. tion and Operation Manual Preparation for Operation 101 Tait Electronics Limited November 2007 6 12 Tone On Idle TOI The tone on idle provides a tone that can be used for indicating when the base station is not transmitting or receiving The links to enable or disable the tone on idle are shown in the table below Both links must be in for the TOI to work Link Settings 1 Remove the cover as detailed in Opening the Base Station on page 57 2 Set the jumper positions on the SI board to match Table 6 11 Refer to Figure 6 12 on page 101 for link locations 3 Fit the cover as detailed in Closing the Base Station on page 58 Table 6 11 Tone on idle TOI link settings LINK Name Pins Position Function Comments W401 TOI 9V Enable 2 Fitted Tone on Idle enable Default is fitted Not fitted Tone on Idle disable W402 TOI 4 5V Enable 2 Fitted Tone on Idle oscillator Default is fitted enable Not fitted Tone on Idle oscillator disable The potentiometers for the tone on idle adjustments shown in the table below can be found on the SI board Refer to Figure 6 12 on page 101 for the potentiometer location Potentiometer Function RV400 Frequency adjust RV401 level adjust 102 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 6 13 Fan Operation The fans can be made to operate in three modes W c
137. to increase the speaker volume and counterclockwise to decrease the volume By default the base station is programmed not to generate any audible indicators The UI board is connected to the receiver and transmitter modules via separate 18 way ribbon cables The internal speaker is connected to the UI board via a cable with a mating connector for easy disconnection If an internal AC Power supply is fitted a fan power signal is routed from the fan power board to the fan via the UI board For more information on the connectors and their signals refer to UI Board Connectors on page 55 Figure 2 6 on page 26 shows a block diagram of the UI board The UI board does not include a microprocessor A synchronous bi directional serial interface provides communication of key status LCD and LED indicator data between the transmitter receiver modules and the UI board The serial data is converted to or from a parallel form by a number of shift registers for the function keys and indicators For the LCD the serial data is fed to a driver IC that converts the serial data to a form suitable for the LCD The keys are scanned and the LCD and LED indicators updated approximately every 50ms The TX RX switch controls what is displayed on the LCD and also whether the transmitter module or the receiver module will be programmed TB7100 Installation and Operation Manual Functional Description 25 Tait Electronics Limited November 2007 Figure 2 6 U
138. tted Not fitted When fitted this allows both transmit and receive modules to be controlled by the same external digital IO lines used with W300 Default Not fitted When Tx Rx digital input 1 4 are used for channel selection only 16 binary or 10 BCD channels are available When Tx Rx digital input 1 4 and another line made from the shorting of Tx digital in out 1 and Rx digital in out 1 on the system interface connecter are used then a total of 32 binary or 20 BCD channels are selectable Requires link W300 to be fitted 6 15 Relay Polarity Link Settings Table 6 14 Relay polarity link settings Relay operation can be configured to be energised when the receiver gate is active or inactive Remove the cover as detailed in Opening the Base Station on page 57 Set the jumper positions on the SI board to match Table 6 14 Refer to Figure 6 12 on page 101 for link locations Fit the cover as detailed in Closing the Base Station on page 58 inactive gate LINK Name Pins Position Function Comments J401 Relay Polarity 3 1 2 Energised for receiver active Default is 1 2 Control gate 2 3 Energised for receiver TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Preparation for Operation 6 16 Channel Increment and Decrement by Function Keys Function button one and two can be configured to increment and decrement t
139. ty 1 Remove the cover as detailed in Opening the Base Station on page 57 2 Set the following links on the SI board Note Links of the mandatory settings must be in the position indicated Links ofthe optional settings must be in ofthe positions listed The defaults are generally recommended 3 Fit the cover as detailed in Closing the Base Station on page 58 72 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Table 6 4 Talk through repeater mandatory settings LINK Name Pins Position Function Comments J400 Tx Key 3 2 3 Talk Through Repeater Receiver gate keys transmitter Source mode J502 Tx Audio 3 2 3 Talk Through Repeater Transmitter audio taken from the Source mode receiver J503 Rx Audio 3 1 2 Talk Through Repeater Received audio to the transmitter Destination mode W401 TOI 9V Enable 2 Not Tone on Idle disable Tone on idle not used in repeater W402 TOI 4 5V Enable 2 fitted configuration Table 6 5 Talk through repeater optional settings LINK Name Pins Position Function Comments J507 Line In 3 1 2 Tx Line In to Aux Mic Default position is 2 3 Destination 2 3 Tx Line In to Audio Tap In J206 Control 1 3 1 2 Fan controlled by J207 Default position is 1 2 2 3 Fan always on J207 FanControl2 3 1 2 Fan
140. world com it Italiano Con la presente Tait Electronics Limited dichiara che questo TBBA4A TBBB1A TBBB1B TBBH5A amp TBBH5B conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999 5 Vedi anche http eudocs taitworld com nl Nederlands Hierbij verklaart Tait Electronics Limited dat het toestel TBBA4A TBBB1A TBBB1B TBBH5A TBBH5B in overeenstemming is met de essenti le eisen en de andere relevante bepalingen van richtlijn 1999 5 EG Zie ook http eudocs taitworld com pt Portugu s Electronics Limited declara que este TBBA4A TBBB1A TBBB1B TBBCOA TBBH5A amp TBBHSB est conforme com os requisitos essenciais e outras provis es Directiva 1999 5 CE Veja tamb m http eudocs taitworld com SV Svensk Harmed intygar Tait Electronics Limited att denna TBBA4A TBBB1A TBBB1B TBBH5A TBBH5B star I verensst mmelse med de v sentliga egenskapskrav och vriga relevanta best mmelser som framg r av direktiv 1999 5 EG Se ven http eudocs taitworld com 121
141. xternal PTT 1 Audio Source Audio Tap In 6 8 4 User defined Settings The user defined settings are specific to the customers application These are the only settings that need to be changed when configuring a base station for operation To set up a basic voice repeater or base station only the channel information needs to be entered m frequency power level bandwidth squelch threshold sub audible signalling If the system is to be used for data then the data parameters also need to be set correctly m baud rate m flow control W error correction TB7100 Installation and Operation Manual Tait Electronics Limited November 2007 Preparation for Operation 91 Receiver User defined Settings The user defined settings for the receiver are shown below The cells in grey settings denote that the value should stay as detailed because of other constraining Form Tab Item Name Value Range Recommended Data General Transparent Mode Enabled Disabled Enabled Enabled Data General THSD Modem 5 Enabled Disabled Enabled Enabled Data Serial Communications FFSK Transparent 1200 2400 4800 9600 19200 Mode Baudrate 14400 19200 28800 Data Serial Communications THSD Transparent 1200 2400 4800 9600 19200 Mode Baudrate 14400 19200 28800 Basic Settings Basic Network Settings Squelch Detect Noise level Signal strength Noise Level Basic Settings Sub Audible Signalli

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