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Tait TaitNet T1511 Installation Manual

Tait TaitNet T1511 Installation Manual

Mpt 1327 trunked radio networks channel control module
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MPT 1327
Trunked Radio Networks
T1511 Channel Control Module
Installation Manual
Scope of Manual
This manual provides installation and service information for the T1511 Channel Control
Module when operating with the software identified as "Q1711MIN version 7.05". This
manual may apply to newer versions of software.
MNA-00005-01
© Tait Electronics Limited
June 2005

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Summary of Contents for Tait TaitNet T1511

  • Page 1 Scope of Manual This manual provides installation and service information for the T1511 Channel Control Module when operating with the software identified as “Q1711MIN version 7.05”. This manual may apply to newer versions of software. MNA-00005-01 © Tait Electronics Limited June 2005...
  • Page 2 Corporate Head Office – New Zealand Tait North Asia Tait Electronics Ltd Regional Head Office – Hong Kong PO Box 1645 Tait Mobile Radio (Hong Kong) Ltd Christchurch E-mail: hongkong@taitworld.com E-mail: info@taitworld.com Website: http://www.taitworld.com Beijing Tait Mobile Radio (Hong Kong) Ltd Technical Support E-mail: beijing@taitworld.com...
  • Page 3 Copyright All information contained in this manual is the property of Tait Electronics Limited. All rights are reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced,...
  • Page 4 Channel control module Digital audio switch Line barrier unit Network management terminal System configuration dossier Site management module PABX Private automatic branch exchange PSTN Public switched telephone network T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...
  • Page 5 Amended sections and pages 1.00 April 1998 First release 1.10 April 1998 1.11 May 1998 1.12 June 1998 MNA-00005-01 June 2005 Re-released and updated for Q1711MIN version 7.05 software MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 6 Page vi Initial pages T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 7: Table Of Contents

    System Identity Code ......28 MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 8 Use of LBUs ........43 T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 9: Introduction

    Channel equipment Each channel consists of the following assemblies: • CCM • receiver • transmitter • PSU (power supply unit) • pre-wired rack MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 10: Types Of Channels

    The node can also be connected to a telephone system to allow intersite calls between telephones and radios. The intersite audio links are used by the intersite channels for implementing intersite calls. T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...
  • Page 11 Control Room Network Digital Audio Management Switch Module Network Management Modem Terminal PSTN Digital Audio Switch Modem Site Figure 1: Where the CCM fits in a TaitNet system MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 12: Specifications

    (+22°C to +28°C). Details of test methods and the conditions which apply for Type Approval testing in all countries can be obtained from Tait Electronics Ltd. Table 1: Specifications for the channel control functions of the T1511 CCM...
  • Page 13 0dBm Maximum input level 0dBm Minimum intersite input level -30dBm 300Hz to 3kHz (±1dB into 600 Ω) Frequency response Return loss better than 15dB Distortion less than 0.3% MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 14 Page 6 T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 15: Description

    Fwd Power Alarm From Tx Rev Power Alarm From Tx Rx Gate From Rx Logic Outputs (active low) Tx Key To Tx CCM status From rack frame DIP switch MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 16: Site Bus Communications

    The control channel CCM also outputs the FFSK messages that are needed when calls are established. Traffic channel CCMs output the FFSK messages that are needed when calls are concluded. T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 17: Transmission Of Ffsk Messages

    CCM assumes that the receiver mute has remained open. If the mute is still open when the timeout expires, the CCM will cancel the call and attempt to clear the channel. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 18: Monitoring Of Transmitter Status

    For an intersite call, the CCM switches the receiver audio signal so that it is output to the node; it also switches the audio signal from the node so that it is output to the transmitter. T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...
  • Page 19 RX LINE TX LINE Intersite call I/S IN TX LINE RX LINE I/S OUT Intersite group call I/S IN TX LINE RX LINE I/S OUT RX LINE TX LINE MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 20: Monitoring Ccm Operation With The Front Panel Leds

    On a control channel CCM the LED is normally off; it will only illuminate if the channel reverts temporarily to traffic channel use. T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 21: Front Panel Status Display

    The status display on the front panel of the CCM is used to display display the following: • diagnostic messages during tests • error messages when faults occur • status messages in normal operation MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 22 CCM module. Note: If you require an RF channel number greater than 999, you must set the channel number thousands digit to ‘1’ (see page 25). T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...
  • Page 23 In addition, with the earlier software the left most digit is also used to indicate the message number; however, in the case of the fourth message the message-number digit is overwritten when times are displayed. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 24: Ccm Construction

    +13×8 V Audio in - +13×8 V Audio out + RX gate Audio out - Local call in TX key audio Intersite call in Negative CCM status in Negative T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 25: Rack Frame Construction

    Power to the T1500-56 PCB is supplied via the rack frame loom cable. This cable provides the PA and power connection. Fan Connection This connection point provides power for the rack mount fan. No protection is provided. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 26: Test/Setup Switches

    Due to design updates the layout of the backplane PCB has changed over several PCB releases. The IPN (Internal Part Number) identifies the release of the PCB. The information below details the pin-outs and release information. T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...
  • Page 27 Channel select DIP switch 2 Test/setup select Site bus connector (CN1, CN2) CN1, CN2 CN1, CN2 FAN connector Fan power Audio test port Audio interface Speaker/programming port Program interface MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 28 Page 20 T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 29: Configuration

    It then provides a simple menu of all the parameters you can configure in the software. The CFG tool will make sure the parameters you edit are in valid ranges. To use the CFG tool you require: MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 30 CFG tool will check the internal values of the file to see if it can be edited. It does not have to be the release name, eg: site_chch_1_min.bin (instead of Q1711MIN7.05). T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 31: System Parameters

    CPSx M parameter $8094 CPSx S parameter $8095 ANN default MEP $8096 ANN default FPP $8097 ANN alternative table $8098 SIL3 Enabled $80C6 SIL Length $80C7 CWID String $80AF MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 32: General Parameters

    $28 the value of the second. Certain networks may require these defaults to be changed. In such a case, refer to the definitions in the MPT1327 document. Parameter addresses SYNC: $8089 SYNT: $808B T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 33: Channel Number Thousands Digits

    Parameter values Any value between $00 (0) and $FF (255) can be specified. The default is $02. Parameter address Number of CLEAR messages to send: $8090 MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 34: Fallback Parameters

    30 seconds to indicate that the site is running in fallback mode. Off line and conventional modes are fairly self-explanatory. If more information on these is required, please contact Tait. MPT Controller When running as the MPT fallback controller, the site will work...
  • Page 35 • No billing records will be recorded for calls while in fallback mode. Parameter values For off line mode, set to $00. For MPT controller mode, set to $01. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 36: System Identity Code

    CPSx numbering has three additional parameters to set: • CPSx L parameter • CPSx M parameter T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...
  • Page 37 Alternative FPP/MEP Table for that prefix. Table 14 shows a typical ANN Alternative FPP/MEP table. Table 14: ANN Alternative FPP/MEP Table Entry Prefix Parameter addresses Numbering mode: $8092 MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 38: Sil3 Enabled

    If you need to change this parameter for a particular site, then the value you require will be supplied to you by a senior Tait engineer. Note: The SIL length must also be programmed into the radios.

  • Page 39: Cwid String

    $0B to $0F - represents increasingly larger numbers of slots per frame: $0B = 12 slots, $0C = 15 slots, $0D = 19 slots, $0E = 25 slots and $0F = 32 slots MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 40: Call Mode

    1 means enabling the parameter. Call mode has the following bits: Field Least significant bit number Pressel resets inactivity Pressel gates receiver The default value is $00. Parameter address Call Mode: $80C9 T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 41: Installation And Testing

    STATUS When polled by the SMM, a traffic channel CCM will indicate whether the channel is a local or an intersite channel. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 42: Installation Checks

    CCM. Note: If you require an RF channel number greater than 999, you must set the channel number thousands digit to ‘1’ (see page 25). T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 43: Checking The Jumper And Dip Switch Settings On The Pcb's

    Table 16: BCD Switches SW101 and SW102 - settings for test modes SW101 and SW102 Test mode setting Local audio tests Intersite audio tests Local and intersite audio tests MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 44: Alarm Status

    FFSK OUT on each PCB. Procedure 1 Turn off the CCM power supply. 2 Disconnect the antenna cable from the RF output of the transmitter at the rear of the prewired rack. T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 45: Check And Set The Local Audio Levels

    2 Press the RX key on the HP8920A test set to display the RX TEST screen for testing the receiver 3 Set the HP8920A test set to produce the RF standard test tone signal to the RF receiver. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 46: Checking The Rf Transmitter Audio Input Level

    “Line Level”. Set the output level as -10 dBm (at 1 kHz). This corresponds to the system deviation level found on the factory test sheet (the default level used by Tait Electronics Ltd). Checking the RF transmitter audio input level To check the RF transmitter audio input level, the FM deviation of the RF transmitter is measured.

  • Page 47: Check And Set Intersite Audio Levels

    5 Adjust the ISIN potentiometer, and measure and check if the correct transmitter output deviation is reached. This will be 1.5kHz for a narrow-band and 3kHz for a wide-band system. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 48: Apply A Test Tone On The Local Line Input Port, Adjust Isout, And Check The Intersite Line Output

    -20 to 0 dBm, and then set the output level as -10 dBm (at 1 kHz). T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 49: Regulatory Information

    This product complies with the following standards: • CTR/TBR 17: Requirements for terminal equipment interface, 4-wire. • EN 55022: Limits and methods of measurement of radio interference characteristics of information technology equipment. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...

  • Page 50: New Zealand

    • EN 60950 & A1-A4: Electrical Safety of Information Technology equipment. • HKTA 2011: Connection of customer premises equipment to the Public Switched Telephone Network. 5.7 Singapore This product complies with: T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

  • Page 51: Other

    The LBUs must conform to the requirements of the provider of the leased direct circuits. MNA-00005-01 T1511 Channel Control Module © Tait Electronics Limited 2005 Installation Manual...
  • Page 52 Page 44 T1511 Channel Control Module MNA-00005-01 Installation Manual © Tait Electronics Limited 2005...

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