Tait TN9275 Installation And Operation Manual Download

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TB9400/TN9275 Installation and Operation

May 2023

Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

1.1 Series 2 and Series 1 Reciters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.1.1 Identifying a Series 2 Reciter  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
1.1.2 New Reciters and Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
1.1.3 Firmware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13

1.2 Firmware Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.2.1 Base Station Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.3 Firmware Application Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.3.1 P25/AS-IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
1.3.2 P25 Gateway Key Management  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  17
1.3.3 DMR/MPT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18

1.4 Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
1.5 Mechanical Assembly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
1.6 Frequency Bands and Sub-bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
1.7 Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

1.7.1 Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
1.7.2 Feature Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

1.8 Theory of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

General Safety and Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.1 Personal Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.2 Equipment Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

2.2.1 Installation and Servicing Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . .  44
2.2.2 Preventing Damage to the PA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  44
2.2.3 ESD Precautions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  44

Summary of Contents for TN9275

Page 1: ...TB9400 Base Station Repeater TN9275 P25 Analog Gateway Installation and Operation Manual MBC 00001 31 Issue 31 May 2023...

Page 2: ...contained in the document or of the equipment and software it describes It is the responsibility of the user to ensure that use of such information equipment and software complies with the laws rules...

Page 3: ...y Bands and Sub bands 26 1 7 Licenses 27 1 7 1 Compatibility 27 1 7 2 Feature Licenses 28 1 8 Theory of Operation 31 1 8 1 Signal Paths 33 1 8 2 Online and Offline Modes 33 1 8 3 Intermodule Communica...

Page 4: ...Ventilation 57 4 2 Unpacking and Moving the Subrack 59 4 3 Identifying the Equipment 60 4 4 Initial Setting Up 62 4 4 1 Confirming Operation 62 4 4 2 Working with Configurations 64 4 4 3 Customizing...

Page 5: ...ngs 104 5 4 2 Taking the Base Station Offline 104 5 4 3 Troubleshooting Alarms 104 5 4 4 Disabling the Front Panel Keypad 105 5 4 5 Uploading New Audio Files for Announcement Tones 105 5 4 6 Updating...

Page 6: ...30 9 8 Final Reassembly 131 Appendix A Interface Pin Allocations 133 System Interface Connector 133 Ethernet Connector 133 PMU Auxiliary DC Output 133 Appendix B Inter Module Connections 134 Dual 50W...

Page 7: ...d gateway Document Conventions The TB9400 base station and TN9275 P25 analog gateway have a web interface WebUI with an accordion menu on the left side of the screen Configure Base Station Channels me...

Page 8: ...sue number of the documentation Technical notes are also published from time to time to describe applications for Tait products to provide technical details not included in manuals and to offer soluti...

Page 9: ...00 added to Section 4 6 6 Connecting an External Frequency Reference and Section 4 6 7 Connecting a 1PPS Source Section 4 6 9 Connecting General Purpose Inputs and Outputs table updated Section 4 6 9...

Page 10: ...ghout 18 March 2018 General updates for the 2 45 release Publication Record now shows most recent manual issue at top of table Added note about fill in receiver to 8 4 Replacing a Power Amplifier Clar...

Page 11: ...and P25 systems designed with the TB9400 are scalable in both size and functionality The base station s Ethernet interface provides built in network connectivity which allows it to join with other bas...

Page 12: ...tors The gateway and base station share the same firmware The first firmware release supporting the TN9275 operation is 3 45 00 In this manual where it says base station or reciter it should also be u...

Page 13: ...end that all the existing series 1 reciters be upgraded to version 3 10 or later so that all the reciters in the channel group have the same firmware version Failure to do so may lead to problems with...

Page 14: ...top of the Tools Firmware Upload Download tab WebUI page If you are using the direct firmware upload option the series 1 firmware file has the suffix tbc and series 2 has the suffix tbc02 File select...

Page 15: ...5 Gateway Configuration alarm monitoring fault diagnosis syslog capture and feature and firmware upgrades can be managed remotely from a PC running a web browser Alarms can be reported via SNMP traps...

Page 16: ...frequency Each transmitter needs a highly accurate 1PPS pulse and an external frequency reference so that it can time transmissions with the required accuracy Also required is an NTP source that is d...

Page 17: ...on and the P25 air interface The functions supported are Acall profile on the WebUI defines the conversion details The gateway has one single call profile in this release The technician defines the ca...

Page 18: ...meslot In a DMR trunked network the base station can operate as a traffic channel or a control channel With two logical channels for each radio frequency a single base station can provide two traffic...

Page 19: ...e is inserted into the 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 The modules are secured laterally...

Page 20: ...to Front Panel on page 47 for more information The base stations have different front panel ducting arrangements depending on PA type and power Front panels may not be interchange able The microphone...

Page 21: ...operate on 120 230VAC 50 60Hz nominal and 12 24 or 48VDC nominal The input voltage can be AC DC or both AC and DC depending on the model The PMU also has an auxiliary DC output of 13 65VDC 27 3VDC or...

Page 22: ...modules sent in for repair needing a replacement control board will have an additional label applied to the rear containing the hardware ID a All hardware versions of PMU can operate in any base stat...

Page 23: ...it in slots 1 to 4 Each PA is mounted vertically with its heatsink facing its associated reciter The PMU and each reciter PA pair have their own cooling fans The front panel can be easily removed fro...

Page 24: ...typical single 50W base station The PMU again occupies slots 5 and 6 with the reciter in slot 1 and PA in slot 2 The PA is mounted vertically with its heatsink facing the reciter The PMU and the reci...

Page 25: ...he PA directly beside it in slots 3 and 4 The reciter occupies slot 1 Unlike the 50W PAs the 100W PA is mounted horizontally with the heatsink facing upwards It is also fitted with an airflow duct to...

Page 26: ...g table In Brazil for K band the TB9400 is considered to be configured as a base station with retransmission of received signals Frequency Identification Frequency Band and Sub band 50W 100W Receive o...

Page 27: ...on For more detailed information see the appropriate base station help Details for associated documents can be found in the Associated Doc umentation section of the manual 1 7 1 Compatibility The comp...

Page 28: ...requires the P25 Phase 2 Trunking TBAS066 and Simulcast TBAS062 licences Tait also recommends adding the Linear Simulcast Modulation TBAS065 licence as it provides improved RF performance No P25 Trun...

Page 29: ...9275 DMR MPT Feature Licenses Feature License Description TaskBuilder TBAS073 Allows for the programming of TaskBuilder scripts Analog Air Interface TBAS301 Default License A base station with this li...

Page 30: ...ith this licence can accept connections from any node or base station site controller DMR Central Voter TBAS306 This feature allows a base station to act as a DMR central voter DMR IP Networking Satel...

Page 31: ...panel see Figure 1 4 A system control bus interconnects the modules and carries alarm and control signaling between the reciter and the other modules refer to Intermodule Communications on page 34 for...

Page 32: ...ol board converts information between analog and digital and controls the maintainer s access via the front panel It performs the air interface signal processing for digital P25 operation gives the ba...

Page 33: ...orks or from the central voter in a simulcast system These inputs are processed by the control processor and passed through the P25 modem to the transmitter If the base station is itself a central vot...

Page 34: ...k interconnect board link the modules in the subrack and carry alarm and control signaling between the reciter and the other modules as shown in Figure 1 7 Specific configuration settings for dual bas...

Page 35: ...rotect the battery and base station equipment The standby power supply card maintains the power to the PMU microprocessor while the rest of the PMU is shut down When the battery voltage rises to the c...

Page 36: ...gure 1 8 Subrack power distribution Receiver 1 DC AC 28V Aux DC 28V PMU PA Reciter Subrack Board Front Panel DC AC 28V Aux DC 28V PMU PA 1 PA 2 Reciter 1 Subrack Board Reciter 2 Front Panel DC AC Aux...

Page 37: ...shutdown limits allow for adjustable startup and shutdown voltages Configure Base Station Miscellaneous These limits can be adjusted for different numbers of battery cells or for the particular requi...

Page 38: ...Shutdown Voltage 10 9V to 15V 0 3V 10V to 13 5V 0 3V 21 8V to 30V 0 5V 20V to 27V 0 5V 43 6V to 60V 1V 40V to 54V 1V Battery Protection Fail safe Limits Startup Voltage Undervoltage Shutdown Overvolt...

Page 39: ...tage Shutdown HW Undervoltage Shutdown HW Overvoltage Shutdown Reset HW High Battery Voltage Alarm SW Alarm Low Battery Voltage Alarm SW Alarm Startup Voltage SW Shutdown Voltage SW Startup Voltage HW...

Page 40: ...fans turn on for the duration of time the base station takes to boot from power up The fans also turn on for a few seconds after the front panel is refitted to a base station that is powered up Confi...

Page 41: ...k before moving it refer to Replacing Modules on page 123 In all cases follow safe lifting practices 2 1 2 Lethal Voltages Warning The PMU contains voltages that may be lethal Refer to the ratings lab...

Page 42: ...ironments is a definite safety hazard 2 1 5 High Temperatures Take care when handling a PMU or PA which has been operating recently Under extreme operating conditions 140 F 60 C ambient air temperatur...

Page 43: ...1310 IEEE C95 1 2005 Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields 3kHz to 300GHz Pour respecter les limites impos es au champ RF au niveau des qu...

Page 44: ...tput stage See Connecting RF on page 83 for recommendations 2 2 3 ESD Precautions Notice This equipment contains devices which are susceptible to damage from static charges You must handle these devic...

Page 45: ...nd socket of the connection Seals must cover any unused network sockets This includes the Ethernet connector on the rear panel any spare switch ports and the console port on the router and switch The...

Page 46: ...bject to the following two conditions a This device may not cause harmful interference and b This device must accept any interference received including interference that may cause undesired operation...

Page 47: ...re summed to drive the front panel LEDs Speaker and Microphone Connector The speaker and microphone connector are not currently used Power LED The green power LED is lit when power is supplied to the...

Page 48: ...cription On steady A base station is receiving a valid RF signal Off A base station is not receiving a valid RF signal g h Key Name Function left and right arrow keys Move the cursor to the left or ri...

Page 49: ...menu The display returns to the home screen from any other screen 30 seconds after the last key press Press any key to turn on the backlight The backlight turns off 30 seconds after the last key press...

Page 50: ...ter 1 Front Panel Base Station Modules Reciter 1 View Reciter 1 Address Edit Reciter 1 Address Front Panel Contrast Home Screen Contrast View Reciter 1 Address IP 172 025 198 043 MASK 255 255 000 000...

Page 51: ...The indicator LEDs on the front of the reciter or receiver are visible through a slot in its front panel These LEDs provide the following information about the state of the reciter or receiver Steady...

Page 52: ...unning at 10 Mbits s 100Base T Ethernet The green Ethernet connector LED will flash and the amber connector will be on if the connection is running at 100 Mbits s Series 1 10Base T Ethernet The green...

Page 53: ...te of the PA Steady green the PA is powered up Flashing green the PAhas no application firmware loaded or activated use the WebUI to download or activate the firmware Flashing red one or more alarms h...

Page 54: ...On Off Switch This switch turns the AC input to the PMU on and off Note that this switch breaks only the phase circuit not the neutral The AC On Off switch protrudes whether on or off DC Module On Of...

Page 55: ...UI to find more details about the alarms Flashing red and green the PMU is in battery protection mode check that the battery voltage is above the configured minimum startup voltage also check that the...

Page 56: ...act between the module case and the subrack To ensure a good ground connection you must tighten each module retaining clamp securely refer to Final Reassembly on page 131 for the correct torque A thre...

Page 57: ...e station must never be allowed to re enter the air intakes on the front panel Any space at the front of the cabinet not occupied by equipment should be covered by a blanking panel Refer to Figure 4 1...

Page 58: ...n and Operation Tait International Limited May 2023 Figure 4 1 Typical cabinet ventilation requirements b ventilation slots d airflow entry c blanking panels e airflow exit path 8in 20cm 2U 7in 17 5cm...

Page 59: ...n weigh up to 55lb 25kg or up to 62lb 28kg complete with packaging We recommend that you have another person help you unpack and move the equipment The TBAA03 16 carrying handles will make it easier t...

Page 60: ...printed on labels at the rear of each module The meaning of each character in the product code is explained in the tables below This explanation of product codes is not intended to suggest that any c...

Page 61: ...H3 band K4 band T01 01121 XXXX A 50W B 100W T01 01121 XXXX A default T01 01121 XXXX A default B no internal Isolator T01 01121 XXXX A default Product Code Description TBAXXXX XXXX 3 PMU TBA3XXX XXXX...

Page 62: ...root password Tuning the base station if required 4 4 1 Confirming Operation Notice The RF output must be connected to a suitable attenuator or dummy load Do not remove the load while the PA is trans...

Page 63: ...ation Requires connection to the network Diagnose RF Interface Transmitter Synchronized transmit Checks the simulcast operation of a channel group or the transmitters in it Diagnose RF Interface Synch...

Page 64: ...ing with base station configurations you can do the following Back up a configuration store a snapshot of the base station s current configuration Upload a configuration copy a configuration from your...

Page 65: ...one currently operating When restoring a configuration from an old version that does not contain values defined for all configuration parameters any absent data values are set to their default The fol...

Page 66: ...sable the feature Default Configuration Parameters The base station is delivered from the factory with a saved configuration containing factory defaults The configuration is named something like QBCS2...

Page 67: ...e of the password could be used to render the equipment inoperable for example by deleting files If you are concerned about the security risk that this poses change the password If Tait provides suppo...

Page 68: ...front end The receiver front end requires tuning if the receive frequency is shifted more than 5MHz away from the previously set frequency or the RSSI level of the new frequency is more than 1dB lower...

Page 69: ...ote this reading 4 Set the reciter to the new receive frequency 5 Change the RF input signal to the new receive frequency at 80dBm Check that the RSSI reading is 80dBm 1dB If it is the receiver front...

Page 70: ...signal and the reciter s receive frequency to 2MHz above and below the required frequency and check that the RSSI reading does not drop by more than 0 5dB from the reading at the required frequency 8...

Page 71: ...f more than one transmitter are combined their voltages add and the resulting peak envelope power is not simply the sum of their powers but is equal to the power of one of them multiplied by the squar...

Page 72: ...eda a External timing requirements for Phase 2 non simulcast operation are equivalent to simulcast Internal control channel Not required Output from control channel Not requiredb b Even though NTP is...

Page 73: ...al Tait office It contains the basic tools needed to install tune and service the base station Base Station Calibration Test Unit Cable The Base Station Calibration Test Unit supports test and diagnos...

Page 74: ...an M6 0 25in screw flat and spring washer in each of the four main mounting holes b as shown in Figure 4 4 If you need extra mounting security additional mounting holes c are provided at the rear of...

Page 75: ...ation 75 Tait International Limited May 2023 Figure 4 5 Subrack dimensions 5 25 in 133 4 mm 4 in 101 6 mm 6 96 in 176 8 mm 14 8 in 375 5 mm 19 in 482 6 mm 17 in 432 mm 18 3 in 465 1 mm 0 26 in 6 6 mm...

Page 76: ...n brackets to suit your installation Notice You must fit the auxiliary support brackets if you intend to transport a cabinet fitted with a fully built up base station We also recommend that you fit th...

Page 77: ...he PMU and the ends of the cables do not have to support the full cable weight Figure 4 7 shows two recommended methods of securing these cables to prevent straining either set of terminals We recomme...

Page 78: ...ons at the rear of a 100W base station are identified in Figure 4 8 External connections are all located at the rear of the subrack Figure 4 8 100W base station inputs and outputs b serial RS 232 conn...

Page 79: ...utputs b serial RS 232 connectora h VDC input c 1PPS input i auxiliary DC output d external reference frequency input j AC mains input e RF input 1 Ethernet interface connector f RF output 1 subrack g...

Page 80: ...power supply capable of providing at least 600W The requirements of two typical AC supplies are given in the following table Your base station should come supplied with a power supply cord to connect...

Page 81: ...rter itself It disables the converter by switching off its control circuitry Even when the DC converter is off the DC input is still connected to its power circuitry The DC input leads should be of a...

Page 82: ...auxiliary boards connected in parallel will current share before reaching their power limit The failure or switching off of one auxiliary board will not load any other paralleled auxiliary boards in...

Page 83: ...an isolator or duplexer between the PAand the load Fit the isolator as close as pos sible to the RF output connector on the PA Do not connect any switching equipment between the isolator and the PA un...

Page 84: ...Synchronization to Tait Networks If an external reference is required enable the external reference absent alarm Configure Alarms Control Use a 50 coaxial cable RG58 or RG223 to connect the external...

Page 85: ...t and last load is kept to a minimum This will reduce any propagation variation between base stations The maximum overall cable length is 30m Terminate the last connection including single base statio...

Page 86: ...ent communications 10 Mbit s is ample for these requirements The 10 100 Mbit s setting is provided for compatibility reasons but with a 100 Mbit s rate and high traffic conditions at the reciter small...

Page 87: ...Reciters with hardware version 1 0 can be upgraded to version 1 01 at a Tait service centre Contact your Tait dealer for details The existing Tx key and Rx gate signals are sufficient for balanced au...

Page 88: ...ogic active state configurable active high vs active low 15 digital i o 4 custom alarm 4 16 digital i o 5 custom alarm 5 17 digital i o 6 custom alarm 6 18 digital i o 7 custom alarm 7 19 digital i o...

Page 89: ...cast and non simulcast channel group operation When the base station is transmitting the receiver is disabled Pin 24 in the 25 way D range is configured as the relay driver Refer to Connecting General...

Page 90: ...ndations We recommend the following PC hardware and software for connecting to a TB9400 base station SVGA Monitor 1024 x 768 minimum Network connection The base station works with recent versions of m...

Page 91: ...Reciter 1 or 2 Address To set the IP address refer to Setting the IP Address on page 92 Notice If access to this menu has been disabled you cannot use the front panel to find out the IP address Make...

Page 92: ...n each octet in the address lines has provision for three characters If an octet in the address has less than three characters enter one or two leading zeroes so that each position is filled even thou...

Page 93: ...installed Your browser raises a security warning because the security certificate was not issued by a trusted Certification Authority The browser has a way of letting you override or bypass the securi...

Page 94: ...ping to check 4 A connection error may occur if your PC is using the organization s web proxy but the base station doesn t have a valid gateway address allowing it to send responses back to that proxy...

Page 95: ...ber of reasons such as Less work is required to manage password controlled access to all base stations in a network you no longer need to change the password in each base station individually Previous...

Page 96: ...ain Using a browser window size smaller than 1024 x 768 may cause some pages to display incorrectly 5 3 1 Using the WebUI Display Filter Tait base stations support many different air interfaces system...

Page 97: ...from the drop down options Analog conventional P25 dual conventional P25 conventional Analog conventional with TBSK passthru P25 trunking DMR conventional DMR mixed mode DMR trunking MPT trunking The...

Page 98: ...se station is currently operating The example screen below illustrates the base station s network interface under P25 AS IP conditions Monitor Interfaces Trunked RF If the base station is part of a si...

Page 99: ...International Limited May 2023 5 3 3 Troubleshooting Alarms If the Alarm status on the status bar displays red one or more alarms have been triggered and the Alarms menu automatically expands to dis...

Page 100: ...alarm thresholds Configure Alarms Thresholds always apply Others are channel based so they can be dynamically changed To view these you must first know which channel the base station is using To see t...

Page 101: ...view the channel profile settings select Configure RF Interface Channel Profiles and select the profile you wish to review or edit Proceed in a similar way to view signaling profile and channel group...

Page 102: ...ork addresses 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 The Link speed configuration option enables the Ether...

Page 103: ...Installation and Operation Working with Base Stations from Your PC 103 Tait International Limited May 2023 Enter here the four lines of information you want to appear on the home screen on the front...

Page 104: ...ake the base station offline in order to carry out diagnostic tests or to take it out of service if a fault develops 1 Click Mode on the status bar or Select Tools Settings Base Sta tion 2 Under Mode...

Page 105: ...you may create customized audio files based on organizational user requirements Creating a New Audio File You can create your own audio file using audio software such as Audacity and Ocenaudio When cr...

Page 106: ...site ID date and time so it can readily be identified If the base station has two firmware packages displayed on the Tools Firmware Activate page the update will replace the inactive package Reciter...

Page 107: ...our hardware and the selected firmware type Direct Upload Release Application Folder Filesa b Choose Firmware from folder 3 10 and later P25 AS IP DMR MPT BaseStation feeds p25 bin n nn nn nnnn p25 tb...

Page 108: ...y inactive The base station can remain online while doing upload or download minimizing any outage time for activation Two firmware package slots allow for the separation of the upload and download pr...

Page 109: ...on activation the base station will reboot and come up with the firmware that has been activated 5 4 11 Working with Configuration Files Channels To see all channels associated with both P25 AS IP and...

Page 110: ...110 Working with Base Stations from Your PC TB9400 TN9275 Installation and Operation Tait International Limited May 2023...

Page 111: ...save the current configuration settings as a file Tools Files Configuration Backup configuration This is stored in the base station but we recommend that you also download and store it on your compute...

Page 112: ...arms page Configure Alarms Custom Alarms allows you to assign a name to each custom alarm The active state of the inputs active high vs active low is configured on Configure Base Station Programmable...

Page 113: ...P transmission network Transmitters in a simulcast channel must all begin transmitting simultaneously therefore the configured value of the marshaling duration must allow for the worst case of network...

Page 114: ...ble summarizes the base station MIB files and indicates with hardware and firmware application they apply to The 94Series MIB applies to P25 and AS IP operation for TB9400 and TB7300 base stations The...

Page 115: ...ther base stations Marshaling Duration Single base station operation should not require marshaling Channel group and simulcast operation have no meaning for a single transceiver It is recommended to l...

Page 116: ...way the base station behaves in its channel group Also qualified network engineers can change DSCP assignments so that routers and switches provide a different quality of service to different types of...

Page 117: ...time alignment of channels is that an SU may more quickly acquire a channel if it knows the timing in advance thus reducing the time required to enter a call Prior to base station firmware release 3 4...

Page 118: ...e the same way using internal or external timing Configure Network Interfaces Trunking on the Web UI If using internal timing give all channels the same multicast address and port number for the inter...

Page 119: ...ernal 1PPS signal Forbidden Do not enable internal timing when using an external 1PPS source NTP timing signal Not required for transmit timing NTP is recommended for log timestamping Frequency refere...

Page 120: ...Forward power Simulcast External reference absent NTP unsynchronized 1PPS Simulcast Unsynchronized These basic checks will provide an overview of how well your base station is operating Reciter We re...

Page 121: ...ribed in Equipment Ventilation on page 56 to ensure a long life and trouble free operation for your base station Also check for a build up of dust in and around the module heatsink fins front panel ai...

Page 122: ...eypad is enabled in the WebUI Configure Base Station Miscellaneous Power LED flashing fans are running but display is blank The base station is downloading firmware Use the WebUI to monitor the progre...

Page 123: ...Both the PMU and PA modules have built in protection mechanisms to prevent damage from overheating 9 1 Saving the Base Station Configuration Before replacing a module in the base station you should de...

Page 124: ...orward input and transmit reverse output followed by the RF output After refitting the PA reconnect the RF output first followed by the transmit forward input transmit reverse output and then the DC i...

Page 125: ...end of the front panel and pull the front panel away from the subrack Cable Retaining Clips The cable retaining clips are used to hold cables in position at the top of the subrack so that they do not...

Page 126: ...and move both cables to one side Unplug both ends of the system control bus cable h and remove it 4 Loosen the screw securing the retaining clamp i and rotate the clamp through 90 to clear the module...

Page 127: ...input Removal 1 If you have not already done so carry out the instructions in Pre liminary Disassembly on page 124 2 At the front of the PA unplug the DC input b transmit forward c and transmit rever...

Page 128: ...he instructions in Final Reassembly on page 131 9 5 Replacing a Power Management Unit Notice You must disconnect the AC and DC power cables before removing the PMU from the subrack Removal 1 If you ha...

Page 129: ...locking tab which prevents the guide rails from working loose Asubrack hardware spares kit TBC SP 002 is available containing 5 top and 5 bottom guide rails blanking panels clamps and screws Notice Su...

Page 130: ...until you hear the locking tab click into place 9 7 Replacing the Subrack Interconnect Board Removal 1 If you have not already done so carry out the instructions in Pre liminary Disassembly on page 1...

Page 131: ...e fitting the front panel ensure that all cables are secured and positioned correctly so they are clear of the fan ducts refer to Appendix B Inter Module Connections on page 134 Otherwise the panel ma...

Page 132: ...of the base station When refitting modules make sure they are fitted correctly into the subrack and all retaining clamps are securely tightened The recommended torque for the retaining clamp screws is...

Page 133: ...tor see Connecting General Purpose Inputs and Outputs on page 87 Ethernet Connector PMU Auxiliary DC Output The pin allocations for the auxiliary DC output on the PMU are given in the following table...

Page 134: ...her modules in the subrack are powered from the PMU via the subrack interconnect board The DC supply to the reciters is via the system control bus ribbon cable Dual 50W base station inter module conne...

Page 135: ...connection from the PMU The reciter is powered from the PMU via the subrack interconnect board and system control bus ribbon cable Single 50W base station inter module connections b 28VDC output for...

Page 136: ...nnection from the PMU The reciter is powered from the PMU via the subrack interconnect board and system control bus ribbon cable 100W base station inter module connections b 28VDC output to subrack in...

Page 137: ...tsinks The illustration below shows the different front panels and identifies each fan duct by its part number the xx in the part number indicates the version of the part Identifying the different typ...

Page 138: ...o secure the PA power cable T01 01150 0005 TB9400 Kit Cable Single 100W Replacement Cable Set This kit contains a set of replacement cables for the 100WTB9400 subrack It contains the following cables...

Page 139: ...lacement Cable Set This kit contains a set of replacement cables for a dual 50W TB9400 subrack It contains the following cables 4 X 150mm SMA RF Cable reciter to PA 1 X 100mm 16 way cable PMU to subra...

Page 140: ...Limited May 2023 Appendix E Testing with the TBA0STU Calibration Test Unit The TBA0STU Calibration Test Unit CTU can be used with TB9400 base stations with hardware version 1 01 or later and firmware...

Page 141: ...d i Balanced line output Supported Connects the LINE OUTPUT to the balanced line output on the system interface The audio can be monitored on the CTU speaker switched to Balanced j 600 Ohm load on off...

Page 142: ...und connector Supported This banana socket can be used as ground with RX GATE TX KEY and RSSI It is connected to the CTU and system interface connector ground 1 Antenna simplex relay output and LED Su...

Page 143: ...this output as Digital output 13 in version 3 25 and later base station firmware Connecting the CTU to the Reciter DB25 System Interface Use the DB25 ribbon cable to connect the DB25 system interface...

Page 144: ...evel for 60 system deviation and can be set in the Configure Analog line Audio input section on the WebUI Connecting a service monitor to the PA and switching the TX Key switch to On should measure 60...

Page 145: ...NC connector of the CTU e 3 Connect an audio level meter to the Line Output BNC connector of the CTU i 4 Start the Loopback test Audio will be looped within the reciter from the audio generator to the...

Page 146: ...can be used for timing and other tests of the base station Monitoring RX Gate Output An LED will indicate when the RX gate output has activated the RX gate output is active low RX Gate only works in a...

Page 147: ...will configure their own package server according to the requirements for their network However you do need to configure each base station with the IP address and port of the package server computer...

Page 148: ...rsation made up of a number of overs central voting Voting that is centralized at one member of the channel group channel group A single logical channel consisting of a set of base stations The member...

Page 149: ...ions and electronics standards in the USA EMC Electromagnetic Compatibility The ability of equipment to operate in its electromagnetic environment without creating interference with other devices ETSI...

Page 150: ...Some operational functions of the base station are controlled by licences Purchasing a licence from Tait allows you to enable the feature set which includes the required functionality logical channel...

Page 151: ...ait digital network consists of a number of network elements The TB9400 base station is a network element designed and manufactured by Tait NTP Network Time Protocol is a protocol and software impleme...

Page 152: ...and data Rx Receiver simplex Able to provide transmission and reception in only one direction at a time simulcast The simultaneous broadcast by more than one transmitter of the same signal on the sam...

Page 153: ...from SUs to fixed equipment UTC Coordinated Universal Time word order from French An international time standard that has replaced Greenwich Mean Time voice stream A digitized voice signal that passe...

Page 154: ...j rgmisel internetiaadressil www taitcommunications com eudoc EL Tait International Limited TBCB1A TBCB1B TBCB1X TBCH1A TBCH1B TBCH2A TBCH2B TBCH3A TBCH3B 2014 53 www taitcommunications com eudoc FR L...

Page 155: ...dio TBCB1A TBCB1B TBCB1X TBCH1A TBCH1B TBCH2A TBCH2B TBCH3A TBCH3B este n conformitate cu Directiva 2014 53 UE Textul integral al declara iei UE de conformitate este disponibil la urm toarea adres int...

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Tait TN9275, Installation And Operation Manual

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