Tait TB7300 Installation And Operation Manual
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Tait TB7300 Installation And Operation Manual

Tait TB7300 Installation And Operation Manual

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TB7300 Base Station
Installation and Operation Manual
MBD-00001-24 · Issue 24 · April 2024

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  • Page 1 TB7300 Base Station Installation and Operation Manual MBD-00001-24 · Issue 24 · April 2024...
  • Page 2 Tait will comply with environmental requirements in respective manufacturers. other markets as they are introduced. By using a Tait product you are agreeing to be bound by the terms of the Tait Software Licence Agreement.Please read the Tait Software Licence Agreement carefully before using this Tait product.

  • Page 3: Table Of Contents

    2.4 Regulatory Information ..........28 TB7300 Installation and Operation Manual...
  • Page 4 5.1.4 Ambient Temperature Sensor....... . . 55 TB7300 Installation and Operation Manual...
  • Page 5 Glossary ..............92 TB7300 Installation and Operation Manual...
  • Page 6 Simplified EU Declaration of Conformity ........98 TB7300 Installation and Operation Manual...

  • Page 7: Preface

    Document Conventions The TB7300 base station has a web interface with an accordion menu on the left side of the screen. “Configure > Base Station > Channels” means click Configure in the top-level menu, then in the expanded Configure menu click Base Station, and finally click on the Channels tab on that page.

  • Page 8: Associated Documentation

    Associated Documentation The current set of TB7300 product documentation is available on the Tait Partner Portal website (https://partnerinfo.taitcommunications.com). TB7300 Specifications Manual (MBD-00002-xx). ■ TN9300 DMR Radio Network System Manual (MNB-00003-xx). ■ Tait Core Networks Installation and Configuration Manual (MNB- ■...
  • Page 9 Interoperability between P25/AS-IP and DMR/MPT ■ software applications Terminology ■ List of channels ■ Loading channels and setting up firmware ■ Simplex operation ■ SNMP management and MIBs ■ TB7300 Installation and Operation Manual Preface © Tait International Limited April 2024...
  • Page 10 ■ Added that external reference is required for Simulcast ■ Web UI tab changed to Analog RF ■ Working with Configurations section now matches the ■ TB9300 equivalent Preface TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 11: Description

    Description The Tait TB7300 base station is a robust state-of-the-art digital fixed station that combines Tait’s proven strengths in reliability and high performance with software-based configurability and operation, digital signal processing and Voice over IP (VoIP) technology. Its Ethernet interface provides built-in network connectivity that allows the base station to connect to join with other base stations to form a channel group.

  • Page 12: New Reciters And Repairs

    1.1.2 New Reciters and Repairs Tait only provides new and replacement series 2 reciters. There is no further production of series 1 reciters. Repairs needing a new control board will also use a series 2 control board.
  • Page 13 Uploading the incorrect firmware version for the series of reciter will fail with the message ‘Information Failed Configuration’ in the Direct upload section. TB7300 Installation and Operation Manual Description © Tait International Limited April 2024...

  • Page 14: Software Applications

    Software Applications The TB7300 operates in both P25/AS-IP and DMR/MPT networks. Within these networks, the base station utilizes distinct P25/AS-IP and DMR/MPT software applications. 1.2.1 Base Station Features The following is a list of base station features for both P25/AS-IP and DMR/MPT/MPT software applications: Fully compliant with the P25 Common Air Interface.

  • Page 15: Frequency Bands And Sub-Bands

    The 406 to 406.1 MHz frequency range is reserved worldwide for use by distress beacons. It is not legal to program transmitters to operate in this frequency range. b. In Brazil, for K band, the TB7300 is considered to be configured as a base station with retransmission of receive frequencies.

  • Page 16: Software Application Details

    All air interfaces and system types support simulcast operation. In a P25 conventional network, the TB7300 operates as a single or wide area conventional repeater, with receiver voting and optional simulcast. Dispatch connection is via three distinct interfaces: P25 standard DFSI connection (up to three connections simultaneously) ■...

  • Page 17: Dmr/Mpt

    TB7300 base station can provide two traffic channels, two control channels, or both a traffic channel and a control channel. In an MPT network, the TB7300 operates as a control channel or as a traffic channel. The TB7300 operates with a trunking node, or in fallback operation it can operate in either trunked or conventional mode.

  • Page 18: Licenses

    ✓ ✓ P25 Trunking Operation The base stations in a Tait DMR trunked network are controlled by a node (DMR trunking node controller). Tait sells three types of node: Full, Express20 and Express6. Each type of node has different capabil- ities.

  • Page 19: Feature Licenses

    DES encryption (TB94/ Allows DES encryption (if installed) TB73) (TBAS092) P25 Analog Line Vocoder Allows analog consoles with P25 conventional network operation (TBAS093) a. Not needed for receive-only base stations. TB7300 Installation and Operation Manual Description © Tait International Limited April 2024...
  • Page 20 A base station with this license can operate as an MPT transceiver or an (TBAS301 - Default License) analog conventional repeater A base station with this license can operate in a Tait DMR conventional DMR Conventional network. It can also operate as a stand-alone repeater, or as a member...

  • Page 21: Theory Of Operation

    Ethernet interface, and the front interface (see Figure 1.1). The Ethernet interface carries VoIP and also allows maintainer access via a web browser. TB7300 Installation and Operation Manual Description © Tait International Limited April 2024...

  • Page 22: Signal Paths

    P25 modem to the transmitter. If the base station is itself a central voter, this input can also be a received signal, which is voted on and sent back through the Ethernet interface to the site controller. Description TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 23: Online And Offline Modes

    1.6.3 Power Supply The DC powered TB7300 will operate from 10.9VDC to 16VDC. For the DC Power equipment to power on the voltage must be 12V or greater. The nominal operating voltage is 13.8 VDC.
  • Page 24 The AC powered TB7300 will accept any input voltage from 100VAC to AC Power 253VAC at 50/60Hz. The nominal operating voltages are 120VAC or 230VAC. The AC power supply is protected by an internal fuse. It is not user serviceable.

  • Page 25: General Safety And Regulatory Information

    +176°F (+80°C). 2.1.3 LED Safety (EN60825-1) This equipment contains Class 1 LED Products. TB7300 Installation and Operation Manual General Safety and Regulatory Information © Tait International Limited April 2024...

  • Page 26: Proximity To Rf Transmissions / A Proximité Des Émissions Rf

    OET numéro 65 (47CFR 1.1310) IEEE C95.1 2005: Norme pour les niveaux de sécurité compatibles avec l'exposi- tion des personnes aux champs électromagnétiques de radiofréquence 3kHz à 300GHz General Safety and Regulatory Information TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 27: Equipment Safety

    ESD S20.20-1999 or BS EN 100015-4 1994. Figure 2.1 Typical antistatic bench set-up common point ground (building ground or mains ground) dissipative rubber bench mat conductive wrist strap TB7300 Installation and Operation Manual General Safety and Regulatory Information © Tait International Limited April 2024...

  • Page 28: Environmental Conditions

    Manual for a complete list of these standards (MBD-00002-xx). 2.4.3 Unauthorized Modifications Any modifications you make to this equipment not authorized by Tait may invalidate your compliance authority’s approval to operate the equipment. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment.

  • Page 29: Health, Safety And Electromagnetic Compatibility In Europe

    All network elements should be physically secured, where possible. This includes the use of locked cabinets and locked rooms. Seals on connectors can also provide a visual indication of unauthorized tampering. TB7300 Installation and Operation Manual General Safety and Regulatory Information © Tait International Limited April 2024...
  • Page 30 The seals should be difficult to reproduce. A sticker initialed or signed by the technician should satisfy this. Seals must be replaced if they need to be disturbed during maintenance. General Safety and Regulatory Information TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 31: Operation

    A base station is receiving a valid RF signal A base station is not receiving a valid RF signal The amber transmit LED is lit while the transmitter is transmitting. Transmit LED TB7300 Installation and Operation Manual Operation © Tait International Limited April 2024...

  • Page 32: Rear Panel Leds

    Rear Panel LEDs 3.2.1 Ethernet Connector LEDs The ethernet indicator LEDs at the rear of the TB7300 are shown in Figure 3.2 below. Series 2 Figure 3.2 Ethernet indicator LEDs 10Base-T Ethernet Connector LED (green) 100Base-T Ethernet Connector LED (amber)

  • Page 33: Connecting To The Base Station

    Connecting to the Base Station The web browser on your PC provides a window into the TB7300 base station. Use it to connect to the base station so that you can monitor, configure, diagnose, and calibrate it (if required). This section describes the following: Connecting to the base station, including initially setting things up ■...

  • Page 34: Setting The Ip Address

    Web Interface” on page 38). Make sure that you store your passwords and usernames securely and do not lose them. They may be needed by Tait support personnel if assistance is required. Tait cannot retrieve forgotten passwords. 4.1.2 Setting the IP Address Before the base station is installed on site, you need to provide it with its proper IP address.

  • Page 35: Local Connection To A Base Station

    You are attempting to connect to the wrong IP address. Check that the IP address is correct. The link to the base station is down. Use ping to check. TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 36: Finding A Lost Or Forgotten Ip Address

    (the default is k1w1 Type and press Enter. The IP address is displayed on the ifconfig second line returned as inet addr:xxx.xxx.xxx.xxx Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 37: Setting Up Authentication

    (e.g. when the connection to the server is lost). The password for this emergency login should be confidential. TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 38: Working With The Web Interface

    ( ) icon to collapse it again. Using a browser window size smaller than 1024 x 768 may cause some pages to display incorrectly. Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 39: Monitoring Operation

    The example screen below illustrates the base station’s network interface under DMR/MPT conditions: (Monitor > Interfaces > DMR RF) An equivalent screen appears under P25/AS-IP conditions (Monitor > Interfaces > Trunked RF). TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 40: Viewing Configuration Settings

    To see the channel number and profiles the base station is using, go to: P25/AS-IP: Monitor > Interfaces > Conventional RF ■ DMR/MPT: Monitor > Interfaces > Analog RF or DMR RF ■ Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 41: Viewing The Base Station And Network Identity

    The file name must end with .csv ■ The file name must include the name of the table, e.g. channeltable ■ (this is case-insensitive) TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...
  • Page 42 Columns that do not match any columns in the table being imported will ■ be ignored. Columns in an imported CSV that are not in that table in the Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...
  • Page 43 Note that the Host name field has a maximum of 63 characters, and may use the characters a–z, 0–9, dot and hyphen. You cannot use spaces. TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 44: Basic Tasks

    If the Alarm status on the status bar displays red, one or more alarms have been triggered, and the Alarms menu automatically expands to display the alarm(s). Click Help and navigate to the description of that alarm. Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 45: Working With Configuration Files

    It is important to note that configuration items such as the ‘Network Access Code (NAC)’, (air-interface specific to the P25 channel) may not be visible TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...
  • Page 46 We recommend that you do this when the base station is commissioned. This report can be useful later if there is a problem with the Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 47: Single Or Channel Group Base Stations

    (jitter). The table below provides a summary of where to configure transmit or marshaling delay: TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 48: Configuring Receive-Only Base Stations

    Custom alarms provide a warning when an external event activates a digital input. You can rename any of the available alarms to provide a more meaningful name, such as “Door open”. Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 49: Updating Firmware

    Reciter Series 2 Files and Extensions Direct Upload Choose Release Application Folder Files Firmware from 3.10 and BaseStation\feeds BaseStation P25/AS-IP p25-bin-n.nn.nn.nnnn.p25.tbc02 later DMR/MPT dmr-bin-n.nn.nn.nnnn.dmr.tbc02 TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 50: Firmware Upload

    ‘All Files (*.*)’ in the [Upload] file picker dialog. 4.3.10 Firmware Upload The Upload button allows you to select a file to upload from your com- puter or network location. Connecting to the Base Station TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 51: Downloading Firmware From A Package Server

    Minimizing the outage time when upgrading the firmware. After activation, the inactive firmware allows you to quickly revert to the previous version should you choose to. The TB7300 can store two complete application packages in two distinct Application Packages slots, one of which is active at any time.

  • Page 52: Switching Application Packages

    4.3.15 SNMP Network Management Tait base stations provide Management Information Bases (MIBs), to allow network management using SNMP. The Windows MSI installer includes Tait defined MIBs. The following table summarizes the base station MIB files and indicates with hardware and software application they apply to.
  • Page 53 Monitored object definitions MIB.mib TB7300, DMR/MPT for DMR/MPT operation transportable DMR/MPT TAIT-INFRA93SERIES- TB9300, DMR/MPT Trap definitions for DMR/ NOTIF-MIB.mib TB7300, DMR/MPT MPT operation transportable DMR/MPT TB7300 Installation and Operation Manual Connecting to the Base Station © Tait International Limited April 2024...

  • Page 54: Installation

    Installation This chapter provides information on the site requirements for your TB7300 equipment and also describes how to install the base station in a standard 19 inch rack or cabinet. If this is your first time installing a TB7300 base station, we recommend that you read the entire chapter before beginning the actual installation.

  • Page 55: Equipment Ventilation

    The maximum ambient temperature at the base station front panels must ■ not exceed +140°F (+60°C). This is displayed on the WebUI in the Monitor > Modules > Temperature tab in the Air intake section, current. TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...
  • Page 56 Figure 5.1 Typical cabinet ventilation requirements top view 20cm (8in) side view front view 10cm (4in) ventilation slots airflow entry blanking panels airflow exit Installation TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 57: Unpacking The Equipment

    Lift the base station clear of the remaining cushion. If you do not need to keep the packaging, we recommend that you recycle Disposal of Packaging it according to local recycling methods. TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...

  • Page 58: Identifying The Equipment

    Identifying the Equipment You can identify the model and hardware configuration of the TB7300 by referring to the product code printed on a label at the rear of the base station. The meaning of each character in the product code is explained in the table below.

  • Page 59: Initial Setting Up

    Notice The RF output must be connected to a suitable attenuator or dummy load. Do not remove the load while the PA is transmitting as this may damage the PA output stage. Apply power to the TB7300. Applying Power Check that the base station powers up correctly:...

  • Page 60: Working With Configurations

    Back up a configuration: store a snapshot of the base station’s current ■ configuration Tait recommend creating a back-up of the current configuration before making significant configuration changes. A backed up configuration is added to the list of stored configurations on the base station.
  • Page 61 Secure shell (SSH) console access enabled ■ Receiver number ■ Host name ■ Default channel ■ Operating mode ■ IP address ■ Subnet mask ■ Gateway address ■ Link speed ■ TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...

  • Page 62: Customizing The Configuration

    Base stations from the factory all have the same default configuration file. As a result, some settings will not be correct for your network. Frequency plan and alarm settings are examples. For further information, please contact your local Tait dealer. Installation TB7300 Installation and Operation Manual...

  • Page 63: Restricted Port Numbers

    (SSH) is enabled. Secure shell access to the base station is disabled by default from version 1.35 onwards. To enable SSH, select Tools > Settings > Secure shell and click ‘Start’. Tait does not recom- mend disabling SSH after it’s been enabled at the end of the procedure.

  • Page 64: Tuning The Receiver

    5.4.6 Tuning the Receiver In a TB7300 base station, no manual adjustment is required to tune the B1, H3, or H5 or K4 bands. Before the base station is installed on site, you may need to tune the receiver front end. The receiver front end requires tuning if the receive...
  • Page 65 Place the base station on its side or upside down to allow access to the holes on the base to tune the helical filters. Log in to the TB7300 and select Monitor > Interfaces > RF Interface. For information on connecting directly to the base station, refer to “Local Connection to a Base Station”...

  • Page 66: Installing The Base Station On Site

    During the commissioning process, all transmitters should be activated together using a diagnostic test tone, while the receiver RSSI is monitored. There should be no discernible increase in RSSI while the transmitters are active. Installation TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 67: Equipment Required

    Tait factory-assembled systems 8mm spanner for the M5 nut on the ground connector ■ You can also obtain the TBA0ST2 tool kit from your regional Tait office. It contains the basic tools needed to install, tune, and service the base station.

  • Page 68: Mounting And Support Kits

    Cables must be routed so that they do not restrict the air outlets at the rear of the base station. 5.6.1 Mounting and Support Kits For TB7300 mounted and support operation, Tait offers the following kits for order: Item Number Item...

  • Page 69: Connecting The Base Station

    -VDC auxiliary supply output, 13.5 V DC @ 1 Ethernet interface connector +VDC RF input External reference input serial RS-232 connector AC mains input (IEC connector) RF output TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...

  • Page 70: Connecting Dc Power (12V Dc Variant)

    The base station is designed to accept a nominal 13.8V DC, with negative ground. Notice Any mains power supply used to power the base station is required to meet the isolation separation for reinforced insulation of 3000Vrms or 4242VDC. Installation TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 71: Connecting Ac Power

    Power is supplied via the IEC connector at the rear. On the AC base station, connectors (Figure 5.4) are current- limited outputs for power auxiliary equipment, 13.5V at 1A. TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...

  • Page 72: Connecting Rf

    The feed line loss between the PA and the mismatch is <1dB ■ The effect of such conditions is variable: some devices will not be destroyed, and some may fail after repeated load interruptions. Installation TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 73: Synchronization

    Notice An external reference is required for simulcast operation. If an external reference is required, enable the external reference “external reference absent” alarm (Configure > Alarms > Control). TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...
  • Page 74 30m 50 termination Figure 5.8 BNC goal post adaptor (part number 240-06913-00 ) Installation TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 75: Connecting A 1Pps Source

    The RJ-45 socket on the reciter’s rear panel provides the 10 BASE-T or 100 BASE-T Ethernet connection to the other devices in the network. Use a Cat-5 cable to connect this socket to the Tait Network via a router or switch.

  • Page 76: Connecting General Purpose Inputs And Outputs

    The existing Tx key and Rx gate signals are sufficient for balanced audio interconnection with connecting equipment compatible with 5V TTL level signaling. Tait also offers an isolation adapter that provides E&M isolated signaling (order number TBC101A). It is recommended that E&M isolated signaling be used in the following...
  • Page 77 For example, a 10 F capacitor should be suitable. Unbalanced Audio Output Vbias = 2.5 V Reciter External equipment The pin allocations for the DB-25 connector are given in the following table: TB7300 Installation and Operation Manual Installation © Tait International Limited April 2024...
  • Page 78 Configurable as a digital output antenna relay for TaskBuilder or to drive the antenna relay with simplex operation. Cannot be configured for both at the same time. ground ground Installation TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 79: Setting Up Simplex Operation

    (Tx delay for non-simulcast operation, and marshal- ling duration for simulcast operation). Tait offers an Antenna Relay Kit which comes complete with installation instructions (402-00119-01). Configure > Base station > Programmable I/O “Antenna relay control”...

  • Page 80: Maintenance

    The cooling fans have a long service life and have no special maintenance Cooling Fans requirements. Maintenance TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 81: Troubleshooting

    Check that all front and rear connectors and cables are in place, and that power switches are on. If problems persist, contact your regional Tait office. Notice The TB7300 cannot be serviced in the field. It must be returned to your regional Tait office for repair. Symptom...

  • Page 82: Appendix A Interface Pin Allocations

    – not connected not connected Serial Connector External View Description TxD out Not connected Not connected RxD in Appendix A Interface Pin Allocations TB7300 Installation and Operation Manual © Tait International Limited April 2024...

  • Page 83: Appendix B Installing The Firmware Package

    Setting Up a Central Package Server It is beyond the scope of this manual to describe the exact procedure for setting up a central package server for any particular network. Tait expects that each customer will configure their own package server according to the requirements for their network.

  • Page 84: Appendix C Testing With The Tba0Stu Calibration Test Unit

    Testing can be done for the balanced audio line, RSSI, TX Key, and RX gate. CTU Connections and Controls Appendix C Testing with the TBA0STU Calibration Test Unit TB7300 Installation and Operation Manual © Tait International Limited April 2024...
  • Page 85 CTU speaker switched to Unbalanced. Note: This output is DC coupled. See Section 5.7.9 more information. TB7300 Installation and Operation Manual Appendix C Testing with the TBA0STU Calibration Test Unit © Tait International Limited April 2024...
  • Page 86 This output is connected to the and LED antenna relay output system interface connector. The LED is lit when the output is activated. Appendix C Testing with the TBA0STU Calibration Test Unit TB7300 Installation and Operation Manual © Tait International Limited April 2024...
  • Page 87 3.20.01 (and later) base station firmware. TaskBuilder can operate this output as Digital output 13 in version 3.25 (and later) base station firmware. TB7300 Installation and Operation Manual Appendix C Testing with the TBA0STU Calibration Test Unit © Tait International Limited April 2024...

  • Page 88: Available Tests

    The configured line input level is the audio level for 60% system deviation and can be set in the Configure > Analog line Audio input Appendix C Testing with the TBA0STU Calibration Test Unit TB7300 Installation and Operation Manual © Tait International Limited April 2024...
  • Page 89 Start the Loopback test. Audio will be looped within the reciter from the audio generator to the audio level meter. TB7300 Installation and Operation Manual Appendix C Testing with the TBA0STU Calibration Test Unit © Tait International Limited April 2024...
  • Page 90 A voltage proportional to the received RF signal level is available on this output. RSSI is the only output that is functional in analog, P25 and DMR modes. Appendix C Testing with the TBA0STU Calibration Test Unit TB7300 Installation and Operation Manual © Tait International Limited April 2024...
  • Page 91 A switch is available to key the transmitter on. A banana socket is also available for keying from an external input. TX Key only works in analog mode. TB7300 Installation and Operation Manual Appendix C Testing with the TBA0STU Calibration Test Unit © Tait International Limited April 2024...

  • Page 92: Glossary

    Glossary This glossary contains an alphabetical list of terms and abbreviations found in this document, related to the TaitNet network and the TB7300 base station. Advanced Multiband Excitation. A voice compression technology patented AMBE+2™ by Digital Voice Systems, Inc and used in the vocoders of DMR radios.
  • Page 93 ETSI organization responsible for producing European telecommunications standards. An operational mode of Tait DMR and MPT trunked networks. It comes fallback mode into effect when the base station loses communication with the trunking node controller. In fallback, one base station operates a control channel and allocates calls to the other traffic channels at the site.
  • Page 94 (generally a mobile or a portable radio) conforming to the DMR specifications. Any device that is network-connected. A TaitNet digital network consists network element of a number of network elements. The TB7300 base station is a network element designed and manufactured by Tait. Glossary TB7300 Installation and Operation Manual...
  • Page 95 Reduced Instruction Set Computer. A type of microprocessor that RISC recognizes a relatively limited number of instructions. The control board in the TB7300 has a RISC microprocessor. A router is an internetwork packet switch that switches data packets from router an input interface to an output interface.
  • Page 96 Brand name for any PMR network designed and manufactured by Tait TaitNet International Limited. A set of Tait base stations and controllers interconnected by an IP network TaitNet DMR network that can carry voice and data traffic. A base station consisting of the equipment necessary to receive and...
  • Page 97 Time Division Multiple Access. In the TB7300 each radio frequency TDMA provides two timeslots, with each timeslot representing one logical channel. Describes the switching between two states. If something is on, toggling it toggle turns it off. If it is off, toggling it turns it on.
  • Page 98 Simplified EU Declaration of Conformity EN Hereby, Tait International Limited declares that the LV Ar šo Tait International Limited deklarē, ka radio equipment type TBDB3G is in compliance with radioiekārta TBDB3G atbilst Direktīvai 2014/53/ES. Directive 2014/53/EU. Pilns ES atbilstības deklarācijas teksts ir pieejams šādā...
  • Page 99 SV Härmed försäkrar Tait International Limited att denna typ av radioutrustning TBDB3G överensstämmer direktiv 2014/53/EU. fullständiga texten till EU-försäkran överensstämmelse finns på följande webbadress: www.taitcommunications.com/eudoc TB7300 Installation and Operation Manual Simplified EU Declaration of Conformity © Tait International Limited April 2024...

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