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122

Preparation for Operation

TB7100 Installation and Operation Manual

© Tait Electronics Limited

 

December 2005

7.14

Channel ID

Channel ID can be enabled using the links as below.

7.14.1

Link Settings 

Remove the cover as detailed in 

“Removing the Base Station and Opening 

the Tray” on page 54

 and set the jumper positions on the system interface 

to match the table below. Replace the cover as detailed in 

“Final 

Reassembly” on page 63

. Refer to 

Figure 7.11 on page 115

 for the link 

location.

Note

When link W300 is fitted, resistor R304 must be fitted.
When link W301 is fitted, resistor R302 must be 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.

Table 7.12

Channel ID—link settings

LINK

Name

Pins

Position

Function

Comments

W300

2

Fitted
Not fitted

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

Default is fitted

W301

2

Fitted
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 is fitted

Содержание TB7100

Страница 1: ...TB7100 base station Installation and Operation Manual MBB 00001 02 Issue 2 December 2005...

Страница 2: ...contact Technical Support E mail support taitworld com Website http support taitworld com To our European customers Tait Electronics Limited is an environmentally responsible company which supports w...

Страница 3: ...Tray 16 2 2 UI Board 16 2 3 Receiver Module 17 2 4 Transmitter Module 18 2 5 SI Board 19 2 6 AC Power Supply Unit 20 3 Functional Description 21 3 1 Receiver Operation 23 3 1 1 RF Hardware 23 3 1 2 D...

Страница 4: ...3 Unauthorised Modifications 44 4 3 4 Health Safety and Electromagnetic Compatibility in Europe 44 4 4 Environmental Conditions 45 4 4 1 Operating Temperature Range 45 4 4 2 Humidity 45 4 4 3 Dust and...

Страница 5: ...ent Required 78 7 3 2 Test Equipment Setup 79 7 3 3 Link Settings 80 7 3 4 Applying Power 81 7 3 5 Programming 82 7 3 6 Receiver Audio Level Adjustment 83 7 3 7 Receiver Functional Testing 84 7 3 8 Tr...

Страница 6: ...nalling 116 7 10 3 Multiple Subaudible Tones 117 7 11 Soft Off Tx Tail Time 118 7 11 1 Link Settings 118 7 12 Tone On Idle TOI 118 7 12 1 Link Settings 119 7 13 Fan Operation 120 7 13 1 Link Settings...

Страница 7: ...he equipment Tait Electronics Limited reserves the right to update the equipment or this manual or both without prior notice Copyright All information contained in this manual is the property of Tait...

Страница 8: ...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 c...

Страница 9: ...llation and Operation Manual 9 Tait Electronics Limited December 2005 Publication Record Issue Publication Date Description 1 May 2005 First release 2 December 2005 Internal AC power supply A4 and D1...

Страница 10: ...10 TB7100 Installation and Operation Manual Tait Electronics Limited December 2005...

Страница 11: ...dwidth 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...

Страница 12: ...520MHz H7 The RF 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 25W and 50W 40W RF output...

Страница 13: ...ply contains no user servicable parts Important Wrong mains voltage Before connecting to the AC power connector ensure that the internal 115V 230V voltage mains selector switch is set to the correct m...

Страница 14: ...he transmitter A4 66 to 88MHz B1 136 to 174MHz D1 216 to 266 MHz H5 400 to 470MHz H6 450 to 530MHz H7 450 to 520MHz c identifies the RF output power and digital architecture A 25W level 1 digital arch...

Страница 15: ...ndoffs on the tray chassis and are easily removed for replacement The base station includes two cooling fans f and a fan duct e in front of the receiver and transmitter modules a speaker c mounted beh...

Страница 16: ...nector of the UI board The rear panel has holes to accommodate the connectors and the fuse holder of the SI board the antenna connectors and a ground terminal For more information on the connections r...

Страница 17: ...rds for each frequency band and each RF output power configuration The RF b DC power c auxiliary d and user interface f connectors are located on the bottom side of the board The internal options conn...

Страница 18: ...frequency band and each RF output power configuration The RF b DC power c auxiliary d and user interface f connectors are located on the bottom side of the board The internal options connector e and a...

Страница 19: ...nnector labelled SYSTEM c serial data connector labelled IOIOI D The SI board has the following internal connectors two system interface connectors e to transmitter and receiver one DC input connector...

Страница 20: ...rations without the provision for a standard AC connector cannot be upgraded with the internal AC power supply unit The AC power supply unit is held in place by two screws e The fan is attached to the...

Страница 21: ...on high level block diagram DC Input Connector System Connector Serial Data Connector AC Input Connector Rx Connector Tx Ant Connector Ground Point Transmitter Module Receiver Module UI Board AC Power...

Страница 22: ...erefore 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 refe...

Страница 23: ...ltering 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 recei...

Страница 24: ...therefore possible that the AGC may start acting when the wanted signal is well below 70dBm 3 1 2 Digital Baseband Processing Custom Logic The remainder of the receiver processing up to demodulation...

Страница 25: ...s 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 require...

Страница 26: ...plied to tap point T8 on the transmitter board the tap point is user selectable Analog Processing of Microphone Signal The CODEC AD6521 performs microphone selection and amplification The microphone a...

Страница 27: ...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 scale...

Страница 28: ...n 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 004MHz Initially a VCXO produces a qua...

Страница 29: ...up techniques to achieve fast frequency settling The frequency acquisition process of the FCL and RF PLL is able to occur concurrently with minimal loop interaction owing to the very large difference...

Страница 30: ...ter 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...

Страница 31: ...0W 40W version or 10dBm for the 25W version to approximately 25dB below steady state power Power Ramp up The power ramp signal is supplied by a 13 bit DAC that is controlled by custom logic The ramp i...

Страница 32: ...the base station via the PROG MIC connector The programming application enables the user to program the base station with the required channels and subaudible signalling settings The transmitter and r...

Страница 33: ...th 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 conn...

Страница 34: ...eaker Audio Volume Level DC Rx SPI Data Rx Prog Data Receiver SPI Shift Registers 13V8 3V3 Transmitter SPI Shift Registers Transmitter Module Electronic Switching Rx SPI Data Rx Prog Data Speaker Func...

Страница 35: ...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 processi...

Страница 36: ...NE AUD IN 13 8V 13 8V 9V 4 5V 3 3V Audio Control and Signalling AUX IO TX KEY TX DATA AUX IO RX GATE RSSI RX DATA AUD OUT Transmitter Module Receiver Module Temperature Sensor Fan Power Board Fan Cont...

Страница 37: ...ut The DC power input of the base station is protected by a rear panel fuse The 13 8V is distributed directly to Figure 3 8 Power distribution Data Circuitry Control Circuitry Audio Circuitry CWID Pow...

Страница 38: ...lso available as an option 3 4 3 General Purpose IO The transmitter and receiver boards can be programmed to act upon signals from the SI board and also outputs signals for certain conditions These se...

Страница 39: ...es of operation for the fans The modes are on continuous on when transmitting on at a pre defined temperature The modes of operation are selected by links on the SI board These settings are discussed...

Страница 40: ...t 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 of the board where the componen...

Страница 41: ...6 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 servicable par...

Страница 42: ...cently Under extreme operating conditions 60 C 140 F ambient air temperature or high duty cycles the external surfaces of the base station can reach temperatures of up to 80 C 176 F 4 2 Equipment Safe...

Страница 43: ...o ensure safe operation the base station must be correctly grounded as described in these installation instructions 4 2 4 Installation and Servicing Personnel The base station should be installed and...

Страница 44: ...f health and safety of users as well as electromagnetic compatibility IntendedPurpose of Product This product is an FM radio transceiver Its intended purpose is for radio communication in Private Mobi...

Страница 45: ...t exceed 100 g m3 4 5 Grounding and Lightning Protection 4 5 1 Electrical Ground The base station modules are grounded by physical contact between the module mounting points and the chassis To ensure...

Страница 46: ...ion It contains the basic tools needed to install tune and service the base station 4 7 Ventilation Always ensure there is adequate ventilation around the base station Do not operate at high duty cycl...

Страница 47: ...VOLUME BUSY TF1 TF2 RF2 RF1 VOLUME BUSY TF1 TF2 RF2 RF1 VOLUME BUSY TF1 TF2 RF2 RF1 VOLUME BUSY TF1 TF2 RF2 RF1 VOLUME BUSY TF1 TF2 RF2 RF1 VOLUME BUSY TF1 TF2 RF2 RF1 VOLUME BUSY TF1 TF2 RF2 RF1 VOL...

Страница 48: ...nrestricted 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 ambient temperature entering...

Страница 49: ...ing cushion Disposal of Packaging If you do not need to keep the packaging we recommend that you recycle it according to your local recycling methods The foam cushions are CFC and HCFC free and may be...

Страница 50: ...o internal AC power supply unit is fitted an external Tait T809 10 87xx power supply can be used to supply the DC voltage required 4 8 4 Setting the AC Mains Input Voltage Warning The internal AC powe...

Страница 51: ...he 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 3 Fo...

Страница 52: ...n 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...

Страница 53: ...operate for more than a few minutes with the fan intake covered Important The transmitter and receiver modules must only be replaced with base station modules Saving the Base Station Configuration Bef...

Страница 54: ...e 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 f 4 Disconnect the antenna connectors...

Страница 55: ...wards the rear of the base station until the volume control shaft clears the front panel Lift the UI board clear of the chassis 6 Disconnect the two Micro MaTch connectors e Fitting 1 Plug the two Mic...

Страница 56: ...receiver module There is no heat transfer plate on the receiver module Check that the replacement module has links LK2 LK3 and LK4 not fitted as shown in Figure 5 3 Fitting Note Before fitting the rec...

Страница 57: ...ng Note Although the boards of the transmitter and receiver modules look alike the board on the transmitter module can not replace a receiver module There is no heat transfer plate on the receiver mod...

Страница 58: ...slide the SI board towards the front of the base station until the connectors b c and d clear the rear panel Lift the SI board clear of the chassis Fitting 1 Slide the SI board into the tray chassis...

Страница 59: ...c on the fan duct d 4 Use a PZ1 Pozidriv screwdriver to remove the two M3 25mm screws e and remove the fan Fitting 1 Place the fan into position on the fan duct e and use a PZ1 screwdriver to fasten...

Страница 60: ...es from the fan power board c 2 Use a Torx T10 screwdriver to remove the screw f attaching the fan power board c to the fan duct d 3 Fitting is carried out in reverse order 5 8 Replacing the Temperatu...

Страница 61: ...main chassis 5 Slide the AC power supply unit from its position to gain access to the fan 6 Use a PZ1 Posidriv screwdriver to remove the two M3 x 25mm screws h that hold the fan in place and remove t...

Страница 62: ...onnect the fan to connector PL7 1 on the UI board 5 Use a Torx T10 screwdriver to fasten the two screws e that hold the AC power supply unit in place to 4 5lb in 0 5N m 6 Connect the cable for the mai...

Страница 63: ...hows the assembled configuration without internal AC power supply unit 1 Ensure all internal cables are connected correctly as shown below 2 Place the tray cover onto the chassis 3 Use a Torx T10 torq...

Страница 64: ...64 Replacing Modules TB7100 Installation and Operation Manual Tait Electronics Limited December 2005 Figure 5 9 Final reassembly configuration without internal AC power supply unit Fuse...

Страница 65: ...ector Rx Connector Tx Ant Connector Ground Point Transmitter Module UI Board AC Power Supply Unit Fan Fan Fan Fan Power Board Speaker Temperature Sensor Prog Mic Connector Receiver SI DC power RF Tran...

Страница 66: ...able parts Important Wrong mains voltage Before connecting to the AC power connector ensure that the internal 115V 230V voltage mains selector switch is set to the correct mains voltage The base stati...

Страница 67: ...e 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 Terminate the DC input leads with a...

Страница 68: ...RX connector N type on the rear panel of the base station The RF output is via the TX ANT connector N type on the rear panel of the base station The RF connector is an N type connector with an impedan...

Страница 69: ...ital in out 1 TX_AUX_GPIO5 input output output high 3 1 V no load low 0 6 V 10mA sink input high 1 7 V low 0 7 V 11 Tx audio input audio input 12 Tx digital in out 2 TX_AUX_GPIO6 input output output h...

Страница 70: ...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 S...

Страница 71: ...er and the receiver RF Connectors The RF connectors of the transmitter and the receiver are N type connectors with an impedance of 50 DC Power Connectors The DC power connectors of the transmitter and...

Страница 72: ...1 1 1 1 1 Pin Signal Name Signal Type Notes Transmitter Receiver 1 RX AUD no connection no connection no connection 2 13 8VDC no connection output 13V8DC for UI board 3 CH TXD input input programming...

Страница 73: ...Signal Name Signal Type Notes 1 Tx and Rx 13 8VDC J102 input J103 output 2 Tx and Rx ground J102 input J103 output external view Pin Signal Name Signal Type Notes 1 TX_AUX_GPIO7 output Tx key signal...

Страница 74: ...IO6 bidirectional digital input output 3 RX_AUX_GPIO5 bidirectional digital input output 4 RX_AUX_GPIO4 bidirectional digital input output 5 RX_AUX_RXD input data 6 RX_AUX_TXD output data 7 RX_AUX_GPI...

Страница 75: ...10 TX_VOL_WIP_DC output no connection 11 TX_CH_SPI_D0 input 12 TX_CH_LE input 13 TX_CH_SPIO1 input digital ground 14 TX_ 3V3 no connection no connection 15 TX_CH_SPI_DI output 16 TX_CH_SPI_CLK input 1...

Страница 76: ...76 Connections TB7100 Installation and Operation Manual Tait Electronics Limited December 2005...

Страница 77: ...a on the serial interface is connected to the transmitter and the receiver TaitNet trunking 7 2 Mode of Operation This section shows how to set up the base station for various modes of operation Examp...

Страница 78: ...est equipment is used to setup the base station for line controlled base operation TBA0STU calibration test unit CTU which includes the CTU adaptor and CTU cable or TBA0ST1 calibration test unit CTU T...

Страница 79: ...0013 xx 7 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 105 2 Plug the adaptor into the system connector on...

Страница 80: ...e Balanced and unbalanced audio inputs to transmitter J503 Rx Audio Destination 3 2 3 Line controlled Base mode Received audio to balanced and unbalanced audio outputs W401 W402 TOI 9V Enable TOI 4 5V...

Страница 81: ...and cables at the front and rear of the base station are fitted correctly all connectors are secure the 20A fuse is fitted Turn on the power supply and check that the base station powers up correctly...

Страница 82: ...lect 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 transmit frequency Tx subaudible sig...

Страница 83: ...io level 2 Set the RF signal generator to the correct RF frequency modulated with a 1kHz audio tone at 60 of full system deviation 3 Set the RF output level to 70dBm 4 Verify that the receiver gate op...

Страница 84: ...pens 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...

Страница 85: ...Distortion The Rx Distortion can be measured using either the balanced or unbalanced output Note Before beginning this test verify the test set is rated to handle the transmit power being tested 1 Co...

Страница 86: ...r 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...

Страница 87: ...t to measure the deviation of the RF 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 1kHz and at the required lev...

Страница 88: ...eceiver module are looped back to the transmitter 7 4 1 Test Equipment Required The following test equipment is used to setup the base station for talk through repeater operation PC programming cables...

Страница 89: ...optional settings must be in one of the positions listed The defaults are generally recommended Replace the cover as detailed in Final Reassembly on page 63 Table 7 3 Talk through repeater mandatory...

Страница 90: ...connectors are secure the 20A fuse is fitted Turn on the power supply and check that the base station powers up correctly The power LED on the user interface lights up The LCD indicates the current ch...

Страница 91: ...r power and frequency output 2 Set the RF signal generator to the correct frequency for the receiver Note If subaudible signalling has been added also modulate the carrier with the required signal 3 S...

Страница 92: ...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 repeater by linking the followin...

Страница 93: ...sed to setup the base station for RF modem operation TBA0STU calibration test unit CTU which includes the CTU adaptor and CTU cable or TBA0ST1 calibration test unit CTU TBB0STU TBB CTU adaptor 220 020...

Страница 94: ...erator output port 3 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 4 Connect...

Страница 95: ...ers up correctly The power LED on the user interface lights up The LCD indicates the current channel number Table 7 6 RF modem optional settings LINK Name Pins Position Function Comments J206 Fan Cont...

Страница 96: ...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 foll...

Страница 97: ...efaults 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 ch...

Страница 98: ...changed FFSK Lead Out Delay default of 200ms is suitable but can be changed 10 Program the receiver 7 5 8 Programming for THSD Operation Transmitter 1 Read the transmitter or start with a new transmi...

Страница 99: ...Wide band modem enabled Layer 2 Protocol enabled Forward Error Correction disabled THSD Lead in Delay default of 30ms is acceptable 10 Program the transmitter Receiver 1 Read the receiver or start wit...

Страница 100: ...settings do not apply and can be ignored In the THSD modem section set up the following Wide band modem enabled Layer 2 Protocol enabled Forward Error Correction disabled THSD Lead In Delay default of...

Страница 101: ...etween the two PCs 7 6 Data Repeater In data repeater mode the base station will transmit all valid received data Figure 7 7 RF modem test setup Receiver Transmitter System Interface Terminal Applicat...

Страница 102: ...eater mandatory settings LINK Name Pins Position Function Comments J221 RS232 Loop Back 3 2 3 RS 232 looped back J400 Tx Key Source 3 1 2 External Tx key source Use this setting because the transmitte...

Страница 103: ...supply and check that the base station powers up correctly The power LED on the user interface lights up The LCD indicates the current channel number 7 6 3 Programming Please see the line controlled b...

Страница 104: ...e terminal application programming cables for the TM8000 mobile radios The test set up is shown in Figure 7 10 on page 104 The correct operation of the base station as an RF modem can be verified by t...

Страница 105: ...tation 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...

Страница 106: ...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 It is pos...

Страница 107: ...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...

Страница 108: ...ata then the data parameters also need to be set correctly baud rate flow control error correction Form Tab Item Name Setting Data General Output SDMs Automatically Disabled Data Serial Communications...

Страница 109: ...ettings Basic Network Settings Squelch Detect Type Noise level Signal strength Noise Level Basic Settings Sub Audible Signalling Invert Rx DCS Enabled Disabled Disabled Channels Detailed RX_Frequency...

Страница 110: ...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 D...

Страница 111: ...PIO4 Input BIN_4 BCD_Pin_3 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 N...

Страница 112: ...fully supported by the base station are selcall two tone emergency mode scanning encryption voice inversion The reset to defaults feature in the TB7100 programming application will ensure all recomme...

Страница 113: ...settings 7 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 l...

Страница 114: ...hibit PTT Simulate F1 to F4 Key Toggle Tx RF Inhibit Toggle F1 to F4 Key LED Decrement Channel Toggle Alarm Mode Increment Channel Activate THSD Modem Home Channel RTS Control DCE BCD Pin 0 to 4 Digit...

Страница 115: ...lay polarity channel increment and decrement by function buttons CWID carrier wave identification 7 10 Adding Subaudible Signalling The base station is able to decode one CTCSS or DCS tone per channel...

Страница 116: ...rogram the new settings into the receiver 7 10 2 Testing Subaudible Signalling Before carrying out these tests the base station must be configured as a line controlled base It must also be connected t...

Страница 117: ...can be overcome by two methods Method 1 1 Third party equipment is available that can be connected to the base station to perform the decoding and regeneration of multiple tones 2 The base station re...

Страница 118: ...effect If soft off operation is still required a Tx tail time can be created by 1 Linking AUX_GPIO6 and AUX_GPIO7 of the transmitter with link W302 on the system interface as above 2 Adding the follow...

Страница 119: ...page 115 for the link location The potentiometers for the tone on idle adjustments shown in the table below can be found on the system interface module Refer to Figure 7 11 on page 115 for the potenti...

Страница 120: ...on and Opening the Tray on page 54 and set the jumper positions on the system interface to match the table below Replace the cover as detailed in Final Reassembly on page 63 Refer to Figure 7 11 on pa...

Страница 121: ...wn in Figure 7 13 on page 121 Important When using THSD and the user interface PTT the fan set ting should be temperature controlled or always on This is because the user interface PTT line does not t...

Страница 122: ...d 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...

Страница 123: ...ement by Function Keys Function button one and two can be configured to increment and decrement the channels This requires two links fitted to the rear of the user interface board this will hard wire...

Страница 124: ...800Hz to 1200Hz 7 17 4 ID Repeat Time A programmable repeat time from 1 to 99 minutes This allows the user to program how often the ID or message is sent Setting the output control to After PTT will...

Страница 125: ...as the PTT In remains active After loss of the PTT In the PTT out will remain active for the programmed period of time before dropping thus allowing another unit to answer before the repeater drops T...

Страница 126: ...126 Preparation for Operation TB7100 Installation and Operation Manual Tait Electronics Limited December 2005...

Страница 127: ...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 is operating Receiver There are n...

Страница 128: ...128 Maintenance Guide TB7100 Installation and Operation Manual Tait Electronics Limited December 2005...

Страница 129: ...gnal to a digital signal that represents the same information air intake temperature The temperature of the air as measured at the transmitter s air intake anti kerchunking Anti kerchunking is a base...

Страница 130: ...he control section into hardware reset C Calibration Application The Calibration Application is a utility for calibrating various parts of the receiver and transmitter circuitry CCDI2 CCDI2 computer c...

Страница 131: ...squelch CTCSS 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 CTCSS DCS filter The CTCSS...

Страница 132: ...onsists of two states the receive state and the standby state The amount of time the radio spends in each state is determined by the economy duty cycle economy duty cycle The economy duty cycle is the...

Страница 133: ...ut Output GPIO lines are used on the TB7100 to configure it for different modes H hysteresis Hysteresis is the difference between the upper and lower trigger points For example the receiver gate opens...

Страница 134: ...dio sending it out via its systems interface transmits audio received over its systems interface and its transmitter is keyed via the Tx Key line local squelch See city squelch M Mandatory Settings Th...

Страница 135: ...ng the radio programming application For trunked radios each programming database consists of separate network fleet and radio information programming mode The mode of operation of the radio in which...

Страница 136: ...not transmitted RF RF stands for radio frequency and refers to the part of the electromagnetic spectrum used to transmit radio and television signals RSSI RSSI Received Signal Strength Indicator feat...

Страница 137: ...iver gate signal is configured to key the transmitter THSD Tait High Speed Data THSD is a proprietary data protocol THSD uses a four level frequency shift keying modulation scheme toggle The term togg...

Страница 138: ...ntrols that let you interact with the base station V valid signal 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 stronge...

Страница 139: ...E MODIFY REVERSE COMPILE OR REVERSE ASSEMBLE ANY SOFTWARE OR FIRMWARE IN WHOLE OR PART Important Notice THE SOFTWARE OR FIRMWARE MAY CONTAIN OPEN SOURCE SOFTWARE COMPONENTS OPEN SOURCE COMPONENTS OPEN...

Страница 140: ...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 O...

Страница 141: ...Electronics Limited vakuuttaa t ten ett TBBA4A TBBB1A TBBH5A tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien direktiivin muiden ehtojen mukainen Katso http eudocs ta...

Страница 142: ...142 TB7100 Installation and Operation Manual Tait Electronics Limited December 2005...

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