Tait TB8100 Installation And Operation Manual
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Tait TB8100 Installation And Operation Manual

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TB8100 base station
Installation and
Operation Manual
MBA-00005-06
Issue 6
June 2005

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  • Page 1 TB8100 base station Installation and Operation Manual MBA-00005-06 Issue 6 June 2005...
  • Page 2 Website: http://www.taitworld.com To our European customers: Tait Electronics Limited is an environmentally responsible company which supports waste minimization and material recovery. The European Union's Waste and Electrical and Electronic Equipment Directive requires that this product be disposed of separately from the general waste stream when its service life is over.

  • Page 3: Table Of Contents

    1.1 The TB8100 BSS Modules ........
  • Page 4 6.3 Replacing the Control Panel........89 TB8100 Installation and Operation Manual...
  • Page 5 Glossary ........... .133 Tait General Software Licence Agreement ......141 Directive 1999/5/EC Declaration of Conformity .

  • Page 6: Preface

    Welcome to the TB8100 base station system Installation and Operation Manual. This manual provides information on installing and operating the TB8100 hardware. Also included in this manual are a high level circuit description, a functional description and a maintenance guide.

  • Page 7: Document Conventions

    TB8100 Installation Guide (a subset of this manual). TB8100 Service Manual. TB8100 Specifications Manual. TB8100 Service Kit and Alarm Center User’s Manuals and online Help. TB8100 Calibration Kit User’s Manual and online Help. 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.

  • Page 8: Publication Record

    K-band and L-band frequencies minor corrections and additions a. Refer to “Frequency Bands and Sub-bands” on page 16 for the actual frequency cov- erage in these bands. TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 9: Description

    It is also capable of generating alarms for remote monitoring. The TB8100 BSS comprises a number of separate modules. Each module is inserted into the TB8100 4U subrack from the front and is secured at the front with a metal clamp. Both clamp and module are easily removed for rapid module replacement.

  • Page 10: The Tb8100 Bss Modules

    The TB8100 BSS Modules The modules which make up the TB8100 BSS are described briefly below. You can find more detailed information on these modules in the other chapters in this manual, and also in the service manual. The receiver, exciter and digital...
  • Page 11 Power Save. standard control panel shown The TB8100 4U subrack is made of passivated steel and is designed to fit Subrack into a standard 19 inch rack or cabinet. TB8100 Installation and Operation Manual Description ©...

  • Page 12: Mechanical Assembly

    Service Kit or Calibration Kit software. Refer to TN-778 for more details. Mechanical Assembly The main mechanical components of the TB8100 BSS are shown in the following illustrations. Figure 1.1 Mechanical assembly - front panel, fans and control panel...
  • Page 13 The two PAs are mounted vertically in the middle of the subrack with the heatsinks facing each other. This positions the cooling fins directly behind TB8100 Installation and Operation Manual Description © Tait Electronics Limited June 2005...
  • Page 14 Unlike the 5W and 50W PAs, the 100W PA is mounted horizontally with the heatsink facing upwards. It is also fitted with an airflow duct to channel the airflow from the cooling fan through the heatsink fins. Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 15: Circuit Description

    Circuit Description Figure 2.1 below shows a typical TB8100 dual base station system of 5W or 50W. It illustrates the main inputs and outputs for power, RF and control signals, as well as the interconnection between modules. The circuitry of the individual modules that make up the BSS is described in more detail in the following sections.

  • Page 16: Reciter

    Much of the circuitry in the TB8100 base station modules is common to Frequency Bands and Sub-bands both VHF and UHF frequency bands, and is therefore covered by a single description in this manual. Where the circuitry differs between VHF and UHF, separate descriptions are provided for each frequency band.
  • Page 17 (e.g. DCS, CTCSS), and controls the CODECs for line audio input. 1. AGC is available in H-band reciters only. It can be disabled using the Serv- ice Kit software. TB8100 Installation and Operation Manual Circuit Description © Tait Electronics Limited June 2005...
  • Page 18 Tx key and Rx gate communications to the system interface board digital input from the system interface board communication with the other modules in the TB8100 BSS via the I communications with the Service Kit software. Circuit Description TB8100 Installation and Operation Manual...
  • Page 19 The power supply on the digital board provides 3.3V and 5.3V regulated supplies. It is also fed through to provide a 2.5V supply. The TB8100 PA is a modular design with the circuitry divided among separate boards which are assembled in different configurations in different models.
  • Page 20 PA software. If two PAs are fitted in a TB8100 subrack, either PA will turn on the fan when required. The 100W PA operates off a 28VDC external power supply only, while the...
  • Page 21 RF O/P Board Board Low-Pass Filter & Directional Control & Control & Monitor Monitor Coupler Control & System Board Monitor Control Control Board Ambient Air Temperature Sensor Board TB8100 Installation and Operation Manual Circuit Description © Tait Electronics Limited June 2005...

  • Page 22: Pmu

    The TB8100 PMU provides stable, low-noise 28VDC outputs to power the TB8100 BSS. The PMU is made up of a number of individual boards and cards which comprise two main modules, the AC module and the DC module. The standby power supply card and auxiliary power supply board are optional.
  • Page 23 PA is not transmitting. Also, when battery capacity is low, it will maintain the power supply to the microprocessor and shut down the rest of the PMU. This card must be fitted to enable the software-controlled power TB8100 Installation and Operation Manual Circuit Description © Tait Electronics Limited June 2005...

  • Page 24: Control Panel

    Control Panel The control panel is designed to be the link between the user and the TB8100 BSS. The circuitry for the operation of the control panel is located on a board mounted behind its front face. All communication between the BSS and the control panel is via the system control bus.
  • Page 25 Full Power On System 28V, GND Power Control Control Bus Supply Panel Type Power Save On LEDs I C Bus Translation Fan Power & GND Fan Inputs TB8100 Installation and Operation Manual Circuit Description © Tait Electronics Limited June 2005...
  • Page 26 Note When a reciter fitted with a TaitNet RS-232 system interface board is used in a TB8100 BSS, the RS-232 port on the control panel is disabled. In this situation you must connect to the RS-232 port at the rear of the reciter. Refer to “TaitNet...

  • Page 27: Operating Controls

    Operating Controls The TB8100 BSS has a number of hardware controls which are available to the user. These controls are located on the control panel, reciter and PMU. This chapter identifies and describes these controls. TB8100 Installation and Operation Manual Operating Controls ©...

  • Page 28: Control Panel

    Standard Control Panel The operating controls on the standard control panel allow some manual control of one or two base stations in a TB8100 BSS. These controls and their associated LED indicators are identified in Figure 3.1 below, and their functions are explained in the paragraphs which follow.
  • Page 29 The red alarm LED will flash at a rate of 2 to 5Hz when an alarm has been Alarm LED generated by any of the TB8100 BSS modules. It will continue to flash until the alarm is cancelled or the fault is fixed. Note that only those alarms which are enabled using the Service Kit (Configure >...

  • Page 30: Dual Base Station Control Panel

    Dual Base Station Control Panel The operating controls on the dual base station control panel allow some manual control of two base stations in a TB8100 BSS. These controls and their associated LED indicators are identified in Figure 3.2 on page 31, and their functions are explained in the paragraphs which follow.
  • Page 31 LED speaker button and LED base station 1 select button receive LED power LED speaker base station 2 select button carrier button and transmit LED TB8100 Installation and Operation Manual Operating Controls © Tait Electronics Limited June 2005...

  • Page 32: Power Save Control Panel

    The red alarm LED will flash at a rate of 2 to 5Hz when an alarm has been Alarm LED generated by any of the TB8100 BSS modules. It will continue to flash until the alarm is cancelled or the fault is fixed. Note that only those alarms which are enabled using the Service Kit (Configure >...

  • Page 33: Reciter

    - one or more alarms have been generated; you can use the Service Kit software to find out more details about the alarms. 1. This feature will be available in a future release. TB8100 Installation and Operation Manual Operating Controls © Tait Electronics Limited June 2005...
  • Page 34 Service Kit software to download the firmware flashing red - one or more alarms have been generated; you can use the Service Kit software to find out more details about the alarms. Operating Controls TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 35: Pmu

    You must disconnect the AC and DC supplies from the PMU before dismantling or carrying out any maintenance. Refer to the service manual for the correct servicing procedures. TB8100 Installation and Operation Manual Operating Controls © Tait Electronics Limited June 2005...
  • Page 36 - one or more alarms have been generated; you can use the Service Kit software to find out more details about the alarms. Refer to “Indicator LEDs” on page 53 for more detailed information. Operating Controls TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 37: Functional Description

    Functional Description This chapter describes some principles of the TB8100 BSS operation. Information is provided on the following topics: base station system overview system control bus operation signal path power distribution data, control and monitoring paths fan control Power Saving.

  • Page 38: Base Station System Overview

    All other signals remain in parallel. The relays are controlled by a key press of the base station select buttons on the control panel. Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 39 Reciter 2 PA 2 The dual base station control panel imposes a number of constraints on the operation of a TB8100 BSS. These are listed below. The front panel LEDs, switches, and RS-232 interface are controlled by Subrack the currently selected base station.
  • Page 40 1. Email alarm outputs are available from both base stations if both reciters are fitted with a TaitNet RS-232 system interface board (refer to “TaitNet RS-232” on page 122 for more details). Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 41: Single And Dual 12V Pa Base Station Systems

    4.1.3 Single and Dual 12V PA Base Station Systems The TB8100 platform also supports the operation of one or two 12V PA base stations in one subrack. Figure 4.3 below shows the main communication paths in a dual 12V PA base station system. The 12V PA base station system does not require a PMU, as the DC input is connected directly to the 12V PA.

  • Page 42: System Control Bus

    The system control bus, see Figure 4.4 on page 44, provides the communications link between the modules in the TB8100 BSS. It provides the following physical paths: C communications between modules RS-232 communications between the reciter and Service Kit and...
  • Page 43 The PMU behaves in a similar way to the PA. The system control bus has been designed to operate only within the TB8100 subrack. It has not been designed for use outside the subrack or to interconnect two subracks. The TB8100 BSS uses the I...
  • Page 44 Figure 4.4 System control bus high level block diagram Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 45 ‘diode OR’ the power to the control panel, but not to backpower a reciter that does not have a power cable connected. The subrack interconnect board at the front of the TB8100 subrack provides Pin Allocations a parallel interconnection between all connectors on the board.

  • Page 46: Signal Path

    Signal Path This section details what happens to an audio signal as it passes through the various processes within a TB8100 BSS, either from the RF input to the system interface, or from the system interface to the RF output.
  • Page 47 On the digital board, the 12.8MHz signal is used by the CODECs, and also generates the 40MHz clock for the DSP/RISC. This clock structure ensures all clocks on the reciter are phase locked together to limit TB8100 Installation and Operation Manual Functional Description © Tait Electronics Limited June 2005...
  • Page 48 DC converter can be switched off to conserve power when not transmitting during modes. The HVDC control and microprocessor card also provides current sources (effectively pull-up resistors) for the system control bus I C inter-module communications path. Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 49: Power Distribution

    BSS. The TB8100 can receive input power from either the AC or DC input. Internal seamless switching between the AC or DC input ensures there are no power interruptions should a changeover occur between the two inputs.
  • Page 50 Figure 4.5 TB8100 BSS power distribution high level block diagrams Single Base Station System Dual Base Station System Aux. DC Aux. DC Reciter PA 1 PA 2 Reciter 1 Reciter 2 Control Control Panel Panel Single 12V PA Base Station System...

  • Page 51: Pmu Operation On Dc Input

    To set the startup and shutdown limits, run the Service Kit and select Configure > Base Station > Miscellaneous. In the Power Configuration area, enter the required values in the Power shutdown voltage and Power startup voltage fields. TB8100 Installation and Operation Manual Functional Description © Tait Electronics Limited June 2005...
  • Page 52 Figure 4.6 PMU alarm thresholds and voltage limits when operating on DC Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 53 34.2V ±0.5V 68.4V ±1V a. The information in this table is extracted from the TB8100 Specifications Manual. Refer to the latest issue of this manual (MBA-00001-xx) for the most up-to-date and complete PMU specifications. b. Using the Service Kit software.

  • Page 54: Data, Control And Monitoring Paths

    (3Hz) (3Hz) Data, Control and Monitoring Paths This section describes the types of data and the methods used to move the data around a TB8100 BSS. Refer to Figure 4.13 on page 71 for more information. The reciter RISC is the central command and control entity in a base station system.
  • Page 55 Serial Service Kit communications are transferred from the attached serial device (e.g. a personal computer running the TB8100 Service Kit), buffered on the control panel and passed into the RISC’s UART. Inter-module communications traffic (for example monitoring, diagnostics and firmware download messages) is passed between the reciter and PA/PMU via the I C bus, which runs a Tait proprietary protocol.

  • Page 56: Fan Operation

    RISC via the I C bus and form the basis of the TB8100 monitored alarms. Each reciter, PA and PMU module also stores the following information specific to that module:...

  • Page 57: Power Saving

    Fans used in the TB8100 must have the correct wiring: power and ground (2-wire fans), or power, ground and rotation detect (3-wire fans). Both fans in the subrack must be of the same type. If 3-wire fans are fitted, the reciter can monitor whether the fans are rotating and generate an alarm if the fan fails.

  • Page 58: Power Saving Measures

    49 for more information about power rails). This turns off most of the PA analogue circuitry. The process of keying the transmitter then works like this: Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 59 Hysteresis mode does not degrade the performance of the receiver. However, when the base station is transmitting, Hysteresis mode is turned off because the PA should never transmit with the ripple voltage present. TB8100 Installation and Operation Manual Functional Description © Tait Electronics Limited June 2005...

  • Page 60: Power Saving Modes

    Sleep and Deep Sleep. The base station runs in Normal mode when there is activity on the channel but can transition to Sleep and/or Deep Sleep mode after it has been idle for a period of time. Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 61 When the timer reaches the value set in the Service Kit (in the ‘Start after’ box) for Sleep mode, the base station enters Sleep mode. If the receiver TB8100 Installation and Operation Manual Functional Description © Tait Electronics Limited June 2005...

  • Page 62: Overview Of Operation

    Normal, Sleep, and Deep Sleep modes and the power saving measures they correspond to. For more details on power and current consumption refer to the TB8100 Specifications Manual. Table 4.3 Power Saving measures selected by receiver cycling time...

  • Page 63: Using The Service Kit With Power Save Base Stations

    PWD_RX rail is on. b. The actual Tx Keyup time may be slightly shorter or longer than this value. Refer to the TB8100 Specifications Manual for further details. Hysteresis mode is only available if a standby power supply card is fitted...
  • Page 64 To check whether Hysteresis mode is active, select Diagnose > Power Management > Control Tests. When the DC-DC converter display shows that Low Power Mode is on, the PMU is in Hysteresis mode. Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 65: Configuring Receiver Gating For Base Stations With Power Save

    Configuring Receiver Gating for Base Stations with Power Save Settings for receiver gating can adversely affect Power Save. In low-noise situations, Tait recommends that you use the default settings (RSSI disabled, SINAD enabled at 12dB). In high-noise situations, follow these guidelines: Use RSSI and SINAD gating.
  • Page 66 230ms). The only way to minimise the effects of this is to set a very long receiver cycling time, such as 5 seconds. Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 67 -DDC Speaker signal -Power control logic amplifier PWD_EX PWD_RX Microphone PWR_ON circuitry System interface RS-232 analogue circuitry circuitry System interface board Digital board RF board circuitry TB8100 Installation and Operation Manual Functional Description © Tait Electronics Limited June 2005...
  • Page 68 Figure 4.10 TB8100 BSS VHF signal path RF Board Digital Board Decimating Direct demodulated audio output BPF1 BPF2 filter Input* Reciter Path A Demodulated Selcall decode RISC IF Receiver Noise RISC RISC audio De-emphasis Variable delay Mute switch Path A (muted)
  • Page 69 Figure 4.11 TB8100 BSS UHF signal path - H band and K band RF Board Digital Board Decimating Direct demodulated audio output filter Reciter Input* switch Atten. Path A Demodulated Selcall decode RISC IF Receiver audio De-emphasis Variable delay Mute switch...
  • Page 70 Figure 4.12 TB8100 BSS UHF signal path - L band RF Board Digital Board Filter Filter Decimating Direct demodulated audio output filter Reciter Switch Switch Switch Switch Input* Path A Demodulated Selcall decode RISC IF Receiver audio De-emphasis Variable delay...
  • Page 71 Figure 4.13 TB8100 BSS data, control and monitoring path RF signal TB8100 Reciter Exciter PA_KEY Serial port Possible Over The Air (OTA) interfaces are: MCSPORT 3 (Not used) Synth - OTA Service Kit protocol Digital audio I/O - CCDI(1&2) protocol...
  • Page 72 Functional Description TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 73: Installation

    Refer to the ratings label on the rear of the module. The TB8100 BSS must be installed so that the rear of the PMU is located in a service access area. The PMU must be connected to the mains supply source by trained personnel in accordance with local and national regulations.

  • Page 74: Proximity To Rf Transmissions

    S20.20-1999 or BS EN 100015-4 1994. Figure 5.1 Typical antistatic bench set-up conductive wrist strap dissipative rubber bench mat common point ground (building ground or mains ground via 1M ohm series resistor) Installation TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 75: Antenna Load

    Tait Electronics Ltd may invalidate your compliance authority’s approval to operate the equipment. 1. Refer to the TB8100 Specifications Manual for more information on the compliance standards to which the TB8100 BSS equipment has been tested and approved. TB8100 Installation and Operation Manual Installation ©...

  • Page 76: Health, Safety And Electromagnetic Compatibility In Europe

    Environmental Conditions 5.4.1 Operating Temperature Range The operating temperature range of the TB8100 BSS is –30°C to +60°C (–22°F to +140°F) ambient temperature. Ambient temperature is defined as the temperature of the air at the intake to the cooling fans.

  • Page 77: Grounding And Lightning Protection

    8mm AF spanner for the SMA connectors. You can also obtain the TBA0ST2 tool kit from your nearest Tait Dealer or Customer Service Organisation. It contains the basic tools needed to install, tune and service the TB8100 BSS.

  • Page 78: Ventilation

    Refer to Figure 5.2 on page The cooling airflow for the TB8100 BSS enters through the front panel and exits at the rear of the subrack. For optimum thermal performance, the heated air that has passed through a BSS must not be allowed to re-enter the air intakes on the front panel.
  • Page 79 Figure 5.2 Typical cabinet ventilation requirements top view 20cm (8in) side view front view ≥17.5cm (≥7in) ventilation slots airflow entry blanking panels airflow exit TB8100 Installation and Operation Manual Installation © Tait Electronics Limited June 2005...
  • Page 80 The maximum ambient temperature entering the cabinet must not exceed +60°C (+140°F). If the TB8100 BSS is installed in a rack or cabinet with other equipment with different ventilation requirements, we recommend that the TB8100 be positioned below this equipment.

  • Page 81: Installing The Base Station System

    In all cases follow safe lifting practices. 5.8.1 Unpacking the Equipment The TB8100 BSS is packed in a strong corrugated cardboard carton with Unpacking the TB8100 BSS top and bottom foam cushions. To prevent personal injury and damage to the equipment, we recommend that two people unpack the BSS.

  • Page 82: Mounting The Subrack

    87), or have another person help you with the lifting. Figure 5.4 Subrack mounting points front view rear view main mounting holes - front auxiliary mounting holes - rear Installation TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 83: Auxiliary Support Bracket

    Figure 5.5 below shows a standard TBA2140 bracket fitted in a typical Tait Electronics cabinet If you are not using a Tait cabinet, you may have to make your own brackets to suit your installation. Figure 5.5 Auxiliary support bracket...

  • Page 84: Optional Slide Mounting Rails

    5.8.5 Cabling We recommend that you try to route all cables to and from the TB8100 BSS General along the side of the cabinet so the cooling airflow is not restricted.
  • Page 85 Figure 5.7 DC power cabling secure the cables to the cabinet to support their weight TB8100 Installation and Operation Manual Installation © Tait Electronics Limited June 2005...
  • Page 86 Installation TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 87: Replacing Modules

    Saving the Base Station’s Configuration Before replacing a module in the TB8100 BSS, you should decide whether you need to save its configuration data. If you are unsure whether you have a record of the configuration, use the Service Kit to read the base station and save the configuration file before removing any modules.

  • Page 88: Preliminary Disassembly

    The reciter, PA and control panel are hot-pluggable and can be removed Hot-pluggable Modules from the TB8100 BSS without powering down the whole BSS. These modules can also be removed without disrupting the system control bus communications with the other modules in the BSS.

  • Page 89: Replacing The Control Panel

    D-range socket on the back of the panel from the plug on the subrack. Pull the control panel down to disengage the centre tab from the subrack. TB8100 Installation and Operation Manual Replacing Modules © Tait Electronics Limited June 2005...

  • Page 90: Replacing The Reciter

    “Replacing the Control Panel” on page At the rear of the reciter, unplug the RF input cable , any system cables and the external reference cable (if fitted). Replacing Modules TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 91 Tighten the nut on the SMA connector to a torque of 0.9Nm (8lbf·in). Refit the control panel, as described in “Replacing the Control Panel” on page Carry out the instructions in “Final Reassembly” on page 101. TB8100 Installation and Operation Manual Replacing Modules © Tait Electronics Limited June 2005...

  • Page 92: Replacing The Power Amplifier

    90° to clear the module. Slide the PA out of the subrack, taking care not to damage any of the cables. (obscured) Replacing Modules TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 93: Replacing The Power Management Unit

    Connect the DC power cables on the rear panel as shown in Figure 5.7 on page 85. Ensure the front panel cables are retained by the cable retaining clips in the top of the subrack. TB8100 Installation and Operation Manual Replacing Modules © Tait Electronics Limited June 2005...

  • Page 94: Replacing The Front Panel Fans

    Plug the fan into the fan contact board and route the wires around the PA fan opening c. Refit the two screws labelled d. Refit the PA fan as described below. Replacing Modules TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 95 The module may then fold back and shut down. When you power-up the TB8100 BSS, check that the PMU fan runs first, followed by the PA fan. Each fan will run for about five seconds.
  • Page 96 Figure 6.1 Replacing the front panel fans PA fan PMU fan PA fan PMU fan PA fan connector PMU fan connector 100W base station front panel shown Replacing Modules TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 97: Replacing The Module Guide Rails

    Push the guide rail towards the front of the subrack until you hear the locking tab “click” into place. TB8100 Installation and Operation Manual Replacing Modules © Tait Electronics Limited June 2005...

  • Page 98: Replacing The Subrack Interconnect Board

    Reconnect the system control bus cables as shown in Figure 6.2. Note The system control bus connections shown in Figure 6.2 apply to all single and dual base station systems. Replacing Modules TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 99 - IPN 220-02037-02 dual base station - IPN 220-02037-04 and later system control bus connections PA 1/PMU reciter 1 reciter 2 PA 2 TB8100 Installation and Operation Manual Replacing Modules © Tait Electronics Limited June 2005...
  • Page 100 PMU Switch Function State CH1 select button active CH2 select button active independent CH1 and CH2 channels Tait use only - leave on channel 2 I C_CLK pullup channel 2 I C_DATA pullup unused grounded CAN connected CH1 and CH2 channels Tait use only - leave off Table 6.2...

  • Page 101: Final Reassembly

    Important You must refit the correct type of front panel to your TB8100 BSS. There are several small but important differ- ences between the front panel for a 5W or 50W BSS and the front panel for a 100W BSS. These differences are in the duct for the PA fan and are described in the following paragraphs.
  • Page 102 Replacing Modules TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 103: Connection

    Connection Once the TB8100 BSS hardware is installed, you need to connect the individual modules to each other, and to any ancillary equipment required in your system. This chapter provides information on all the inputs and outputs available on the TB8100 BSS.
  • Page 104 This in turn may result in random actuations of microphone PTT, carrier, or speaker key, causing the BSS to transmit or the speaker to be actuated incorrectly. Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 105 1 12VDC output for reciter 12VDC input from PA RF input from reciter DC output (for optional reciter fan only) RF output to PA system control bus TB8100 Installation and Operation Manual Connection © Tait Electronics Limited June 2005...
  • Page 106 DC output (for optional reciter fan only) RF output to PA 28VDC high current input cable from PMU 28VDC low current input from PMU RF input from reciter Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 107 Older system interface boards use the 4-way connector shown in the photograph, while the TaitNet RS-232 board and all other boards manufactured after March 2005 use a 2-way connector. Refer to “Reciter Auxiliary DC Input from PMU” on page 113 for more details. TB8100 Installation and Operation Manual Connection © Tait Electronics Limited June 2005...
  • Page 108 Figure 7.6 Standard control panel inputs and outputs DC outputs for fans mounted on front panel; RS-232 programming port also used for fan rotation detectors (if fitted) microphone connector Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 109 Note When a reciter fitted with a TaitNet RS-232 system interface board is used in a TB8100 BSS, the RS-232 port on the control panel is disabled. In this situation you must connect to the RS-232 port at the rear of the reciter. Refer to “TaitNet...

  • Page 110: Power Supply Connections

    7.2.1 AC Power The TB8100 PMU is designed to accept a mains input of 88 to 264VAC at 45 to 65Hz. We recommend that a standard 3-wire grounded outlet is used to supply the AC power. The socket-outlet must be installed near the equipment and must be easily accessible.
  • Page 111 PMU is removed before the leads are disconnected. The TB8100 12V PA is designed to accept a nominal 12VDC input with DC Power with 12V negative ground. There is a minimum DC startup threshold to prevent damaging a battery which has little capacity left.

  • Page 112: Auxiliary Dc Power

    This means that, even if only one auxiliary board is functioning, it will still be able to supply the current requirements of the external equipment. Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 113 March 2005 use the 2-way connector. Note that pins 1 & 3 and pins 2 & 4 on the 4-way connector are linked. Refer to “System Connections” on page 116 for the pin allocations for +AUX_V on each system interface board. TB8100 Installation and Operation Manual Connection © Tait Electronics Limited June 2005...
  • Page 114 +V output. Figure 7.11 below shows the standard Tait auxiliary DC power cables Auxiliary DC Power Supply Connections available. Details of the individual connector types are also provided in case you want to make up your own cables.

  • Page 115: Rf Connections

    PA. Do not connect any switching or combining equipment between the isolator and the PA. The RF input to the TB8100 BSS is via the lower BNC/TNC connector on the rear panel of the reciter. The RF output is via the N-type connector on the rear panel of the PA (refer to Figure 7.4 on page...

  • Page 116: System Connections

    This section provides details on the system interface boards available at the time of publication. Other types may be developed for future applications. Figure 7.12 System interface board system interface board* digital board *standard system interface board shown Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 117: Digital Interface

    Service Kit (Configure > Base Station > System Interface). For details on the interface levels for these connections refer to the Specifications Manual. The digital interface signals supported by the TB8100 base station are described below. Digital inputs are read by the reciter RISC and can be used to perform Digital Inputs various actions based on the configuration of the reciter.

  • Page 118: System Interface Connections

    On version 1 and later system interface boards, digital inputs 3, 4, 5, and 6 may also be configured as outputs using a Task Manager statement. For more details refer to “Digital Interface” on page 117 and to the Service Kit docu- mentation. Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 119 On version 1 and later system interface boards, digital inputs 3, 4, 5, and 6 may also be configured as outputs using a Task Manager statement. For more details refer to “Digital Interface” on page 117 and to the Service Kit docu- mentation. TB8100 Installation and Operation Manual Connection © Tait Electronics Limited June 2005...
  • Page 120 On version 1 and later system interface boards, digital inputs 3, 4, 5, and 6 may also be configured as outputs using a Task Manager statement. For more details refer to “Digital Interface” on page 117 and to the Service Kit docu- mentation. Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...
  • Page 121 If a base station with a 12V PA is configured for Deep Sleep, digital out 1 is dedicated to Power Saving control and should not be used for any other Task Manager function. TB8100 Installation and Operation Manual Connection...
  • Page 122 The rear-mounted RS-232 serial port facilitates the connection of multiple base stations to a Service Kit or Alarm Center using an APS (asynchronous Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 123: Service Kit Connections

    APS with TB8100 base stations. Service Kit Connections The TB8100 Service Kit is connected to the BSS via the RS-232 serial port on the control panel. This port is a 9-way female D-range connector. Use a straight through cable, as supplied with the Service Kit, to connect your programming computer to the BSS.

  • Page 124: Microphone Connection

    Microphone Connection You can connect a microphone to the TB8100 BSS via the standard RJ45 socket on the control panel. If a standard TB8100 microphone has not been supplied with your BSS, you should use an electret microphone. The pin allocations for the microphone socket are given in the following table.
  • Page 125 If you wish to make up your own cable, use the following connector for both the PA and reciter connections: 2x1-way Molex 43025-0200/crimp socket 43030-0001 female. TB8100 Installation and Operation Manual Connection © Tait Electronics Limited June 2005...
  • Page 126 Connection TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 127: Preparation For Operation

    Tuning If you have not already done so, you must tune the TB8100 BSS reciter modules before operating them in your radio system. To do this you will need to use the Calibration Kit software included on the Product CD, plus the TB8100 calibration test unit (CTU).

  • Page 128: Applying Power

    Each base station in a TB8100 BSS must be assigned an identity . This Hardware identity is used to identify the base station to the Service Kit and Calibration Kit software, and to the control panel. You set the identity of each base station with the hex switch on the front panel of its reciter (refer to Figure 3.4 on page...

  • Page 129: Test Transmissions

    Once you have completed the procedures described in the previous sections, you may want to make some test transmissions. These will verify that your TB8100 BSS is operating correctly. Note You may wish to have the Service Kit software running during these tests so that you can monitor the performance of the BSS.
  • Page 130 Preparation for Operation TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 131: Maintenance Guide

    Maintenance Guide The TB8100 BSS 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. It is beyond the scope of this manual to list every check that you should perform on your BSS.
  • Page 132 You can use the Service Kit to configure the BSS to generate an alarm if either of the cooling fans fails. Refer to the Service Kit and Alarm Center documentation for more details. Maintenance Guide TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

  • Page 133: Glossary

    Glossary This glossary contains an alphabetical list of terms and abbreviations related to the TB8100 base station system. For information about trunking, mobile, or portable terms, consult the glossary provided with the relevant documentation. A B C D E F G H I K L N P R S T U V W...
  • Page 134 BCD (binary coded decimal) is a code in which a string of four binary digits represents a decimal number. A BSS (base station system) is a subrack containing at least one TB8100 base station. The TB8100 Calibration Kit is a utility for defining the switching ranges of...
  • Page 135 Digital-to-Analog Converter. A device for converting a digital signal to an analog signal that represents the same information. TB8100 Installation and Operation Manual Glossary © Tait Electronics Limited June 2005...
  • Page 136 Duty cycle is used in relation to the PA. It is the proportion of time duty cycle (expressed as a percentage) during which the PA is operated. The TB8100 PA can be operated continuously. Electronic Industries Alliance. Accredited by the American National Standards Institute (ANSI) and responsible for developing telecommunications and electronics standards in the USA.
  • Page 137 Kerchunking is transmitting for a second or less without saying anything in kerchunking order to test the base station. This results in a ‘kerchunk’ sound. A TB8100 is a line-controlled base station when it receives audio (sending line-controlled base station it out via its systems interface), transmits audio received over its systems interface, and its transmitter is keyed via the Tx Key line.
  • Page 138 Pre-emphasis is a process in the transmitter that boosts higher audio pre-emphasis frequencies. The reciter is a module of a TB8100 base station that acts as receiver and reciter exciter. Reverse tone bursts can be used with CTCSS. When reverse tone bursts are...
  • Page 139 (signal + noise + distortion) to (noise + distortion). A SINAD of 12dB corresponds to a signal to noise ratio of 4:1. The TB8100 can provide an approximate SINAD value while in service by comparing the in- band audio against out-of-band noise.
  • Page 140 A TB8100 is a talk through repeater when its audio path is configured to Talk Through Repeater pass the audio it receives on to the transmitter. Task Manager is a part of the TB8100 base station firmware that carries out Task Manager tasks in response to inputs.

  • Page 141: Tait General Software Licence Agreement

    MERGED INTO ANOTHER PROGRAM WILL AUTOMATICALLY AND WITHOUT NOTICE FROM CONTINUE TO BE SUBJECT TO THE TERMS AND TAIT IN THE EVENT THAT THE LICENSEE FAILS TO CONDITIONS OF THIS AGREEMENT COMPLY WITH ANY TERM OR CONDITION OF THE LICENSEE MAY NOT DUPLICATE...

  • Page 142: Limited Warranty

    THAT SUBJECT ONLY TO ANY EXPRESS WRITTEN OR OTHERWISE AT LAW FOR ANY LOSSES OR TERMS OF AGREEMENT TO THE CONTRARY DAMAGES WHETHER GENERAL SPECIAL BETWEEN TAIT AND THE LICENSEE THIS IS THE EXEMPLARY PUNITIVE DIRECT INDIRECT OR COMPLETE AND EXCLUSIVE STATEMENT OF THE...

  • Page 143: Directive 1999/5/Ec Declaration Of Conformity

    Directiva 1999/5/CE. Veja também: http://eudocs.taitworld.com/ Español Svensk Por medio de la presente Tait Electronics Limited declara que el TBAB1, TBAC0 & Härmed intygar Tait Electronics Limited att TBAH0 cumple con los requisitos esenciales y denna TBAB1, TBAC0 & TBAH0 står I cualesquiera otras disposiciones aplicables o överensstämmelse med de väsentliga...

  • Page 144: 4 Tb8100 Installation And Operation Manual

    TB8100 Installation and Operation Manual © Tait Electronics Limited June 2005...

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