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General| Frequency Range | 136-174 MHz, 400-470 MHz, 450-520 MHz |
|---|---|
| Channel Spacing | 12.5/20/25 kHz |
| Operating Temperature | -30°C to +60°C |
| Operating Voltage | 13.8 V DC nominal |
| Modulation | FM |
Provides information on installing and operating the TB9400 base station and TN9275 P25 analog gateway.
Explains symbols and formatting used in the manual, including warning, caution, and notice alerts.
Lists related documentation available for the TB9400 and TN9275 base stations.
Details the history of manual revisions, including publication dates and descriptions of changes.
Details the differences and identification of Series 2 reciters and their relationship to Series 1.
Describes the TB9400's interoperability with other base stations and operation modes.
Details features of the TB9400 Base Station and TN9275 Gateway for P25/AS-IP.
Describes DMR/MPT features and interoperability with TB9400, TB7300, and TB9300.
Details specific firmware application functionalities and requirements.
Explains how the TN9275 gateway handles P25 vocoding, encryption, and key management.
Describes the base station's subrack and the various modules it houses.
Details the front panel, reciter, PA, and PMU modules and their functions.
Illustrates the mechanical components of base station configurations and their subrack layout.
Lists the frequency bands and sub-bands supported by the base station models.
Explains how operational functions are controlled by feature licenses and the need to enable them.
Lists and describes P25/AS-IP feature licenses and their applicability.
Lists and describes DMR/MPT feature licenses.
Details the circuit boards within the reciter and their functions in signal processing and control.
Provides an overview of signal paths within the reciter for digital P25 and analog signals.
Explains the two operating modes of the base station: Online for service and Offline for maintenance.
Describes how modules in the subrack communicate via a system control bus and interconnect board.
Explains how the PMU manages power supply, AC/DC changeover, and distribution within the subrack.
Details how the PMU operates on DC input, controlled by alarms, startup/shutdown limits, and protection limits.
Describes the front panel fans, their operation, and fan control configuration.
Provides safety precautions for unpacking, moving, and handling the equipment.
Specifies requirements for connecting the PMU to a grounded mains socket outlet.
Warns against operating the equipment in explosive atmospheres.
Advises caution when handling hot PMU or PA modules.
Specifies a safe separation distance from the antenna system to comply with RF field limits.
Covers safety aspects related to equipment installation and handling.
Details operating temperature range, humidity, and dust/dirt limits for the equipment.
Provides information on distress frequencies, compliance standards, and FCC compliance.
Describes the front panel controls and indicator LEDs for manual control and status monitoring.
Details status information provided by LEDs on individual modules.
Describes the indicator LEDs on the PA module for status like power, firmware, and alarms.
Details the PMU controls (on/off switches) and indicator LEDs for status and operation.
Covers essential site requirements and preparation steps before installation.
Provides guidelines for cabinet and rack ventilation to ensure optimal airflow.
Provides instructions for safely unpacking and moving the subrack, recommending two people.
Explains how to identify the model and hardware configuration of TB9400 modules.
Provides an overview of procedures for basic functional testing, configuration, and tuning.
Outlines available functional tests using the WebUI for receiver, transmitter, and PMU operations.
Explains how to manage base station configurations using the WebUI.
Provides steps to change the default root password for enhanced security.
Details which frequency bands require manual or electronic tuning and the procedures.
Covers important advice and considerations for installing the base station at a specific site.
Provides instructions and cautions for mounting the subrack securely into a cabinet or rack.
Recommends routing cables to avoid restricting cooling airflow.
Provides information relevant to connecting various inputs and outputs of the base station.
Describes how to set up simplex operation, including warnings about PA switching.
Recommends PC hardware and software for connecting to a TB9400 base station.
Guides on connecting a PC to the base station using a web browser and user access levels.
Details how to set the base station's IP address, subnet mask, and gateway.
Covers security certificates and local connection procedures.
Lists common causes and solutions for problems encountered when connecting to a base station.
Explains how to set up remote authentication (LDAP/RADIUS) for enhanced base station security.
Provides an overview of the WebUI structure and navigation.
Explains how to use monitoring pages to view base station operating status.
Guides on how to interpret and troubleshoot alarms displayed in the WebUI.
Guides on viewing various base station configuration settings and channel management.
Covers fundamental tasks performed using the WebUI for managing the base station.
Covers methods for updating base station firmware, including file locations and procedures.
Describes downloading firmware from a server and activating new firmware versions.
Explains how to switch between different firmware application packages.
Covers managing configuration files, including channel settings and their validity.
Explains the need for timing synchronization in P25 Phase 2 channels and historical approaches.
Describes how Tait base stations exchange timing signals for alignment, eliminating external units.
Details the timing outputs (1PPS, internal protocol) and configuration for internal timing.
Lists specifications related to phase 2 internal timing, such as 1PPS fan out.
Outlines prerequisites for deploying internal timing, including system type, timing signals, and configuration.
Suggests monitoring operational parameters like VSWR, DC voltage, and temperature alarms via WebUI.
Recommends calibration frequency for reciters based on band and provides guidance.
Suggests periodic checks for PMU DC input terminal screws and battery backup status.
Recommends periodic checks and maintenance of ventilation and cooling fans.
Troubleshooting steps for alarm LED status and related issues like offline mode or faults.
Addresses issues with front panel communication loss, disabled keypad, and blank displays.
Troubleshooting for firmware download progress and display blanking.
Covers troubleshooting for no power, front panel LEDs off, or system control bus connection problems.
Addresses issues with features not operating due to missing licenses or features not being enabled.
Troubleshoots issues like stuck TX, random transmissions, and low PA power.
Explains the importance of backing up configuration data before replacing modules and how to restore it.
Provides instructions for preliminary disassembly, including hot-pluggable modules and power disconnection.
Details the procedure for removing the front panel using a screwdriver and pulling it away.
Explains how to replace module guide rails, noting differences in subrack slot sizes.
Details the procedure for removing and replacing the subrack interconnect board.
Guides through the final steps of reassembly, including fitting the front panel and securing fasteners.
Provides step-by-step instructions for replacing Reciter, PA, and PMU modules.
Refers to another section for pin allocations of the system interface DB-25 connector.
Shows pin allocations for the Ethernet connector.
Provides pin allocations for the auxiliary DC output on the PMU.
Shows inter-module connections for a dual 50W base station.
Shows inter-module connections for a single 50W base station.
Shows inter-module connections for a 100W base station.
Lists available cable kits for TB9400 subracks, including part numbers and contents.
Lists cables included in the set for replacing components in a single 50W TB9400 subrack.
Lists cables included in the set for replacing components in a dual 50W TB9400 subrack.
Shows diagrams of the CTU's top and rear views, identifying its connections and controls.
Details the functions supported by the TB9400 for the CTU, including serial port, power LED, and line inputs/outputs.
Explains how to connect the CTU to the reciter via DB25 or to an E&M Isolation Adapter.
Lists available tests that can be performed with the CTU, categorized by function.
Guides through checking audio output levels, including connecting loads and using the CTU speaker.
Explains how to perform a loopback test by connecting an audio generator and level meter to the CTU.
Describes monitoring digital I/O operations through the WebUI.
Explains the function of digital programming switches and how they activate digital inputs.
Indicates that an LED shows when the RX gate output is activated in analog mode.
States that a voltage proportional to received RF signal level is available as output.
Notes that an LED indicates when the antenna (simplex) relay is active.
Details configuring base stations with the IP address and port of the package server for firmware downloads.
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