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Simoco Xfin Blade Service Manual

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Xfin Blade
SERVICE MANUAL
XFIN-BLADE-SM
Issue 1.0
October 2006
© Team Simoco 2006
Team Simoco Ltd.
Field House,
Uttoxeter Old Road
Derby
DE1 1NH
Tel:
+44 (0) 1332 375 500
FAX: +44 (0) 1332 375 501
www.teamsimoco.com

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Summary of Contents for Simoco Xfin Blade

  • Page 1 Xfin Blade SERVICE MANUAL XFIN-BLADE-SM Issue 1.0 October 2006 © Team Simoco 2006 Team Simoco Ltd. Field House, Uttoxeter Old Road Derby DE1 1NH Tel: +44 (0) 1332 375 500 FAX: +44 (0) 1332 375 501 www.teamsimoco.com...

  • Page 2: Declaration

    COPYRIGHT All rights reserved. No part of this publication may be reproduced in any form or by any means without the prior written permission of Team Simoco Ltd. ERRORS AND OMISSIONS The usefulness of this publication depends upon the accuracy and completeness of the information contained within it.

  • Page 3: Warnings And Cautions

    XFIN-BLADE-SM WARNINGS AND CAUTIONS WARNING The Power Amplifier Module uses semiconductor devices containing Beryllium Oxide. Dust from this oxide is toxic and, if inhaled or skin contact is made, can be hazardous to health. No danger can arise from normal handling, but no attempt should be made to break open or tamper with these devices in any way.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS DECLARATION.......................2 COPYRIGHT ........................2 ERRORS AND OMISSIONS ...................2 DOCUMENT HISTORY ....................2 WARNINGS AND CAUTIONS ..................3 TABLE OF CONTENTS ....................4 INTRODUCTION.....................8 General.........................8 PRODUCT CODES....................9 Serial number ......................9 2.1.1 Hardware Variant Code..................9 2.1.2 MAC Address......................9 2.1.3 Modification State ....................9 DESCRIPTION......................11 Ventilation......................11 SRM9000 Sub-assembly ...................12 Specifications....................12...
  • Page 5 XFIN-BLADE-SM 3.5.8 Line 1 & 2 (RJ45) ....................19 3.5.9 Facilities ......................20 3.5.10 PSTN Port (RJ11) ..................... 21 TECHNICAL DESCRIPTION ................23 MMI Board......................23 4.1.1 Description ......................24 Control Board....................25 4.2.1 Circuit Board Layout ..................25 4.2.2 Circuit Description..................... 26 4.2.2.1 LEDs .......................
  • Page 6 6.2.6 TSF-1BS PSUTRAY ..................57 6.2.6.1 TSF-1BS PSUTRAY Specifications ............57 SPARES .......................59 Service Concept ....................59 Level-2 Spares Schedule ..................60 7.2.1 XFIN BLADE (INTERNAL PSU VERSION)............60 7.2.2 Assembly Item List ....................61 Warranty......................62 7.3.1 Service Within and Out Of Warranty ..............62 7.3.2 Ancillary Items....................62 7.3.3 Unpacking Equipment ..................62...
  • Page 7 XFIN-BLADE-SM LCD MENU OPERATION ..................65 Default Display ....................65 Menu Structure....................65 8.2.1 Alarms Menu..................... 66 8.2.2 Set IP Address ....................66 8.2.3 Set Position in Site.................... 66 8.2.4 Set Site ID......................66 8.2.5 Set System ID ....................66 8.2.6 Enable Screen Saver ..................

  • Page 8: Introduction

    ENERAL Figure 1.1 - Front view of the Xfin Blade. Brief Description: The Xfin Blade is a 1U trunking system with an integrated basestation and the capability to provide a control and/or traffic channel. It incorporates the established MPT1327 trunking standard with next generation hardware and VoIP technology.

  • Page 9: Product Codes

    XFIN-BLADE-SM 2 PRODUCT CODES The following information is displayed on the Type Approval Label located on the chassis behind the speaker housing. 2.1 S ERIAL NUMBER The product serial number is broken down as follows: Digits Hardware configuration; XBI = Xfin 25W internal PSU, XB0 = Xfin 25W external PSU, XBP = Power Blade 100W Hardware version;...

  • Page 11: Description

    3 DESCRIPTION The Blade is a 1U high by 19” wide rack-mountable unit containing two Control Board SRM9000 sub-assemblies, a control card, and a fan bulkhead which mates with the angled front panel and MMI Receiver card. There is also provision for fitting a high Transmitter power amplifier or integrated power supply option.

  • Page 12: Srm9000 Sub-Assembly

    Noise and dust build up can be reduced by keeping cabling and other obstructions out of the main airflows. There are no dust filters fitted in this product. If it is to be used in very dirty environments, then additional steps should be taken to prevent ingress of dust as this will affect thermal performance.

  • Page 13: Transmitter

    XFIN-BLADE-SM Serial interface with 1x audio connection (RJ45 – front panel) Inputs/Outputs 2x line/audio (2/4-wire) connections with E&M signalling (2x RJ45 with internal shield) Programmable facilities connector (37 way D-type) 2x RS232 serial connections (9 way D-type, RJ45 with internal shield) Ethernet IP interface (10/100 base-T magnetic RJ45 with external shield)

  • Page 14: Receiver

    100% Duty Cycle Audio Distortion <5% at 1kHz, 60% deviation Audio +1db to –3db of pre-emphasised 300 to 3000Hz on 25kHz channel, 300 to 2550Hz on 12.5kHz channel Frequency Response >40db (12.5kHz), 45db (25kHz) Hum and Noise Transmit Rise <25ms Time 3.3.3 Receiver Voice: ≥12db SINAD for 0.3µV...

  • Page 15: Control Knob

    XFIN-BLADE-SM 3.4.3 Control Knob The control knob is used in conjunction with the LCD Display to operate the menu system and provide volume control. DESCRIPTION PAGE 15...

  • Page 16: Mmi Rj45 Connector

    RJ45 socket). Function Function Function Pin Function Tx-Data +Vout Rx-Data Mic Gnd Audio Out Audio In 3.5 R ANEL ONNECTORS Line Power Ethernet Serial Facilities 2 PSTN Figure 3.2 - Layout of the Xfin Blade rear panel DESCRIPTION PAGE 16...

  • Page 17: Tx/Rx

    XFIN-BLADE-SM Figure 3.3 – View of the Xfin Blade rear panel. 3.5.1 Tx/Rx The antenna connections on the Blade are provided with 50Ω female N-type sockets. Mating connectors should be galvanically compatible with nickel outer and gold centre pin to minimise passive inter-modulation.

  • Page 18: Fuses

    Power amp (option). DC ground Chassis Ground +12VDC(nom) input Notes: 12VDC nominal is normally supplied with 13.6VDC for battery float charge reasons. 0VDC input 24VDC nominal is normally supplied with 27.3VDC for battery float charge reasons. 3.5.3 Fuses Fuse F1 on the fuse-board is a 2A quick-blow, 20 x 5mm component and protects the 12V line to the MMI PCB.

  • Page 19: Rs232 Serial (D-Sub)

    XFIN-BLADE-SM 3.5.5 RS232 Serial (D-Sub) This is a standard DB-9 female RS-232 socket with the following pins connected for DTE operation: Description Description Tx Data, output CTS, input Rx Data, input RTS, output 3.5.6 RS232 Serial (RJ45) This is a standard RJ45 socket with the following pins connected for DTE operation: Description Description Tx Data, output...

  • Page 20: Facilities

    Caution When the following is performed, the line barrier is breached and the equipment must NOT be connected to Public Networks. Where line barrier is not required, two fuses may be fitted in fuse-holders F3 and F4 of the control PCB (20 x 5mm, 50mA) to provide DC ground and bias for E&M signalling. Description 4 wire Tx 4 wire Rx or 2 wire Tx/Rx...

  • Page 21: Pstn Port (Rj11)

    XFIN-BLADE-SM +13.6v unswitched Rx- line connection Channel line C5 Tx key command Rx- line connection B Channel line C3 Alarm 1 Squelch Channel line C1 I/O 1 Alarm 2 I/O 3 3.5.10 PSTN Port (RJ11) This is a 6/4 RJ11 socket with the following pins connected for PSTN operation: Description Description Tip (Snoop+)

  • Page 23: Technical Description

    4 TECHNICAL DESCRIPTION 4.1 MMI B OARD Power Connector LEDs Connectors Figure 4.1 - MMI Board Layout Control Knob Connector LCD Display Handset Jack...

  • Page 24: Description

    4.1.1 Description The purpose of the MMI board is to provide the Man Machine Interface between the control card and the user. The MMI board contains 5 LEDs for user diagnostics. It contains an LCD for displaying an interactive menu, which is accessed via a control knob. An audio amplifier is provided to drive a loud speaker at up to 2W, with volume adjustment via the control knob.

  • Page 25: Control Board

    XFIN-BLADE-SM 4.2 C ONTROL OARD 4.2.1 Circuit Board Layout Figure 4.3 - Control Board Layout with Main Sections Labelled TECHNICAL DESCRIPTION PAGE 25...

  • Page 26: Circuit Description

    4.2.2 Circuit Description Ethernet Analogue Control Digital I/O Serial Port CPLD Digital I/O Interface Serial Control Line Line Audio 1 BS Audio 1 Barrier CODECs Line Line Audio 2 BS Audio 2 Barrier Figure 4.4 – Block Diagram of Control Board See the Appendix for a more detailed block diagram representing the control card.
  • Page 27 XFIN-BLADE-SM Test Monitors Signal Type Point Active-Low INVALID Pin on RS232 chip (U1) 3.3V Digital Active-Low INVALID Pin on RS232 chip (U2) 3.3V Digital Transmit Centre-Tap on Magnetic RJ45 (P3) D.C. Output 4 of Clock Driver (U12) Bank B Clock Signal Inverted Output of Digital I/O Shift Register (U10) 3.3V Digital Inverted Output of Digital I/O Shift Register (U17)
  • Page 28 PF1 on the DSP (U28) 3.3V Digital C Data (SDA) 3.3V Digital RX_FRAME signal for High Speed Serial Port 1 on the IXP 3.3V Digital (U34) Active-Low RING signal (indicating half-wave ringing detect 3.3V Digital output signal) from PSTN interface (U7) GPIO_IN6 Signal to CPLD (U22) 3.3V Digital SPI_CS_DAC from IXP GPIO(10)
  • Page 29 XFIN-BLADE-SM Audio Input 1 to Codec C2 (U52) prior to being converted Audio Signal from single-ended to differential SPI_CLK 3.3V Digital 5V Bias for 10V Op Amps D.C. Audio Output 2 from Codec C2 (U52) after passing through Audio Signal Op-Amp stage Analogue 3.3V A3V3 D.C.

  • Page 30: Dsp

    4.2.2.3 DSP The DSP on the Xfin control card is a Blackfin device manufactured by Analog Devices; it runs at speeds of up to 500 MHz. The DSP is responsible for all audio processing including mixing, FFSK encoding/decoding, DTMF encoding/decoding, supervisory tone generation, audio emphasis and speech processing for VOIP between Blades.

  • Page 31: Power

    XFIN-BLADE-SM 4.2.2.4 Power The control board requires a 12V 2000ma supply. Linear regulators are provided to reduce the input voltage down to 10V and 5V for the audio circuits. The input voltage supply is also regulated down to 3.3V for the digital logic via a switched mode power supply. The 1.3V supply for the IXP processor core is generated by a regulator off the 3.3V rail.

  • Page 32: Codec

    The IXP controls an LXT971 PHY chip (U20) that provides a 10/100 Base-T Ethernet interface. The PHY is connected to an RJ-45 socket with built-in magnetics; the socket also presents two external LEDs which are configured to indicate activity and 10/100 status.

  • Page 33: Pstn Interface

    XFIN-BLADE-SM links F3 and F4 can be fitted to provide bias volts. This allows the unit to use DC signalling. 4.2.2.8 PSTN Interface A Clare DAA chip (U7) provides a PSTN interface. An audio channel links the telephone port to a codec (U54). At the time of configuration, the audio levels of the PSTN interface should be set for optimal transmission and reception.
  • Page 34 2 - 3 Line 1 Two-Wire Mode Line 1 Four-Wire RX LN16 1 - 2 Line 2 Two-Wire 600R Impedance Enable Imped. Hybrid Balance Line 1 Two-Wire 2 - 3 Line 2 Adjustable Hybrid Balance Line 1 UK Complex LN17 1 - 2 Line 2 Four-Wire Mode Impedance Select...
  • Page 35 XFIN-BLADE-SM TECHNICAL DESCRIPTION PAGE 35...

  • Page 36: Receiver And Transmitter Modules

    4.3 R ECEIVER AND RANSMITTER ODULES 4.3.1 Frequency Bands The Blade is supplied with a matched pair of radio sub-assemblies fitted. The designated frequency bands are: 66 - 88 MHz E0 Band 335 - 375 R1 Band 136 - 174 MHz AC Band 400 - 450 TK Band...
  • Page 37 XFIN-BLADE-SM The -12.0V rail of the level translator is generated by U300B/C with D304 to D306 providing the required voltage multiplier effect. The high level negative signal is then split into the four individual front-end negative DC values under software control by multiplexer U902 and associated storage capacitors C904 to C907 before being applied to the anodes of the front-end tuning varactors.

  • Page 38: First Mixer And If Section

    The RF front-end amplifier stage comprises a low-noise transistor amplifier (Q400), which is compensated to maintain good linearity across the required frequency bands and temperature range. This provides excellent intermodulation and blocking performance across the full operating range. The gain of this stage is typically 17dB for both UHF and VHF versions.

  • Page 39: Drivers And Pa Stages

    XFIN-BLADE-SM 4.3.3.1 Drivers and PA Stages The RF output level from the VCO buffer Q604 is typically +5dBm (UHF) and +8dBm (VHF). TX buffer Q606 increases this level by approximately 3dB (UHF) and 11dB (VHF) and also provides additional VCO isolation. The following section of the TX buffer Q612 is controlled by the transmitter power control loop and Q609.
  • Page 40 Figure 3.6 - VHF/UHF Transmitter Block Diagram TECHNICAL DESCRIPTION PAGE 40...

  • Page 41: Tx Power Control

    XFIN-BLADE-SM 4.3.3.2 Tx Power Control Output power is stabilised by a power control feedback loop. L1, R54, a printed circuit transmission line, D6 and associated components comprise the power detector with Q3/10, U3 and associated components providing the power setting and control sections. Forward and reverse power is sampled by the power detector and applied as a DC voltage to the inverting input of comparator U3A.

  • Page 42: Frequency Synthesis

    4.3.4 Frequency Synthesis 4.3.4.1 General Refer to Figure 3.7. The SRM9000 frequency synthesiser consists of individual transmitter and receiver (local oscillator) voltage controlled oscillators, loop filter, varactor negative bias generator, reference oscillator and an integrated, dual phase locked loop device U701. 4.3.4.2 PLL The PLL device contains two prescalers, programmable dividers and phase comparators to provide a main and auxiliary PLL.

  • Page 43: Phase Modulator

    XFIN-BLADE-SM by U300B/C with D304 to D307 providing the voltage multiplying effect needed to achieve -17V. The output of the negative supply is applied directly to the VCO varactor anodes as the negative tuning voltage VCAP BIAS. 4.3.4.5 Phase Modulator The modulation path for audio, data and higher frequency CTCSS signals is via D609 and its associated components in the TX VCO.
  • Page 44 Figure 3.7 - VHF/UHF Synthesiser, Block Diagram TECHNICAL DESCRIPTION PAGE 44...

  • Page 45: Rf Sub-Assembly Internal Control Logic

    XFIN-BLADE-SM 4.3.5 RF Sub-Assembly Internal Control Logic Figure 3.8 - VHF/UHF Control Block Diagram TECHNICAL DESCRIPTION PAGE 45...

  • Page 46: Dsp And Fpga

    4.3.5.1 DSP and FPGA The Blade RF sub-assemblies operate under the control of a DSP (U102) and FPGA (U106) combination which together with a number of other dedicated devices perform all the operational and processing functions required by the radio. The FPGA is configured by the DSP under software control to provide the following functions: Channel set-up for operating frequency •...

  • Page 47: Rf Sub-Assembly Internal Power Supplies

    XFIN-BLADE-SM The 2 groups of analogue switches are independently controlled by FPGA binary signals MUX A0 and A1 and enable line MUXEN to output the required tuning voltages as a series of pulses. These pulses are converted to steady state voltages by integration capacitors C904 to 911 and C921 to 925.
  • Page 48 TX buffer Q606 • Microphone amplifier Q812 • Various switching functions • +3.3V Regulator U312 Regulated +3.3V supply (3N3) Digital supply for CODEC U800 • DSP U102 • FPGA U106 • Regulated +3.3V supply (3Q3) I Q demodulator U401 • Regulated +3.3V supply (3C3) Analogue supply for CODEC U800 •...

  • Page 49: Antenna Requirements

    XFIN-BLADE-SM 4.4 A NTENNA EQUIREMENTS The antenna connections on the Blade are provided with 50Ω female N-type sockets. These should be tested, by use of a suitable test set, e.g. Anritsu/Wiltron S331A, for good VSWR (1.5:1 or better) at the Tx and Rx frequencies prior to use. Mating connectors should be galvanically compatible with nickel outer and gold centre pin to minimise passive intermodulation.

  • Page 51: Maintenance

    5 MAINTENANCE Although no Routine Maintenance is required on the Blade, it is generally good practice to clean the inside of the equipment on each occasion that it is necessary to open it. Dust and or light debris may accumulate in the following areas: •...

  • Page 52: To Open The Blade

    5.2.2 To Open the Blade Qty 2 Fixing Screws M3 Remove the 2 x M3 Pan Head screws one each side of the lid. Lift and pull the front edge of the lid to remove the lid. 5.2.3 To Remove a Tx or Rx Assembly Disconnect the BNC connector.

  • Page 53: To Remove The Control Board

    XFIN-BLADE-SM 5.2.4 To Remove the Control Board Ribbon Cables Remove the top cover as detailed in Section 4.2.3. Disconnect the three ribbon cables from the board. Disconnect the Power Connector. Power Connector Remove the four socket fasteners from Socket the 9-way and 37-way connectors on the Fasteners rear panel.

  • Page 54: To Remove The Mmi Board

    5.2.6 To Remove the MMI Board Remove the front assembly as described in Section 5.2.5. Remove the six securing screws from the chassis brackets. Detach all of the cables (power, fans, loudspeaker, control card). The MMI Board may now be removed. To Remove the Loudspeaker, remove the front assembly and MMI board as described above.

  • Page 55: Product Variants And Accessories

    XFIN-BLADE-SM 6 PRODUCT VARIANTS AND ACCESSORIES 6.1 V ARIANTS Blade - Full-Duplex 25W Ext. PSU 25W Int. PSU 100W Version Intelligent Base Station 66 - 88 MHz E0 Band XFINBLADE-E0 XFINBLADEI-E0 XFINPWRBLADE-E0 136 - 174 MHz AC Band XFINBLADE-AC XFINBLADEI-AC XFINPWRBLADE-AC 174 - 208 MHz K1 Band XFINBLADE-K1 XFINBLADEI-K1 XFINPWRBLADE-K1...

  • Page 56: Tsf-Accord

    Rack Mount Installation Items Rack Mount Ears (1U) TSF-EARS Rack mount PSU tray (1 base station, 2U) 25 WATT TSF-PSUTRAY Rack mount PSU tray (1 base station, 2U) 100 WATT TSF-2100PSUTRAY Duplexer for PSUTRAY (specify frequencies – TSF only) TSF-DUPxx (where xx = freq band) Mains Cord for PSUTRAY (EU/UK/US - select country) TSF-ACCORD-EU...

  • Page 57: Tsf-Ears

    XFIN-BLADE-SM 6.2.3 TSF-EARS A pair of 1U Rack Mounting Ears with screws for the Blade Base Station. These must be used in conjunction with a rack-support 6.2.4 TSF-PROG Serial Programming Lead contains an RS232 level converter. Together with the adaptor (DB-9) it can be used to connect the Blade, via the front panel RJ45 connector, to a PC.
  • Page 58 PRODUCT VARIANTS AND ACCESSORIES PAGE 58...

  • Page 59: Spares

    The Blade series has been designed to provide a low cost trunked and non-trunked, analogue, base station, using common core electronics, software and interfacing. It is a requirement that once the customer has purchased equipment, Team Simoco can follow this by providing ongoing, high level of customer support together with a competitive and professional servicing activity.

  • Page 60: Level-2 Spares Schedule

    7.2 L -2 S EVEL PARES CHEDULE 7.2.1 XFIN BLADE (INTERNAL PSU VERSION) Figure 6.1 Exploded Diagram of the Xfin Blade SPARES PAGE 60...

  • Page 61: Assembly Item List

    XFIN-BLADE-SM 7.2.2 Assembly Item List Part Number Part Description Quantity D116-0027-M-01 CASE BULKHEAD X/FIN D116-0024-M-05 X-FIN FRONT PANEL (SOLID FRONT) D116-0006-M-03 LID ASSY X/FIN 00601-0001630-0 M3X8 SCREW PAN HD POZI STL/S 00606-000540-0 M3 PLAIN WASHER STAINLESS/STL. D116-0012-M-04 230V REAR PANEL D116-0025-M-01 TSC 2000 WINDOW PROTECTION D116-0028-M-02...

  • Page 62: Warranty

    Please contact our Central Repair facility regarding service, for replacement of these parts. customerservices@teamsimoco.com Tel: +44 (0)1332 375620 7.3.3 Unpacking Equipment Any damaged or missing parts must be notified to Team Simoco or their agent in writing within 10 days of receipt. SPARES PAGE 62...

  • Page 63: Software Policy

    7.4 S OFTWARE OLICY Software provided by Team Simoco shall remain the Company's property, or that of its licensors and the customer recognises the confidential nature of the rights owned by the Company. The customer is granted a personal, non-exclusive, non-transferable limited right of use of such software in machine-readable form in direct connection with the equipment for which it was supplied only.
  • Page 64 SPARES PAGE 64...

  • Page 65: Lcd Menu Operation

    8.2 M TRUCTURE The Xfin Blade menu is manipulated via the control knob. Rotating the knob while in default state will alter the loudspeaker volume setting. Pressing the knob once from the default display opens the main menu, with the current option displayed on the screen.

  • Page 66: Alarms Menu

    • moving the cursor to the tick mark at the side of the screen when all variables are altered and pressing to confirm (an ‘x’ on the other side of the screen can be selected to cancel the alteration). Where a variable can only be increased or decreased, no cursor, tick or ‘x’ symbols are present.

  • Page 67: Programmer Guide

    This data can then used to configure an Xfin Blade. When configuring the Xfin Blade data is taken from the database and sent to the Xfin Blade. Data that the Xfin Blade Management Terminal receives from the Xfin Blade is also stored within the database.

  • Page 68: Opening A Database

    OMMUNICATIONS ETTINGS To connect to the Xfin Blade the communications settings will first need to be altered. This is located in the menu bar running across the top of the form, under Communications. On this form there are options for Ethernet and Serial.

  • Page 69: Ethernet Communications

    Blade Management Terminal was successful then Established will be displayed in the button left hand corner of the main menu. If the Xfin Blade Management Terminal does not go in to Established then make sure that the Communication Settings are correct and then retry connecting.

  • Page 70: Area Configuration

    Accept/Send will accept the record that is currently being show on the form. Accept/Send will also send the record to the Xfin Blade as long as comms are established. Left click on the Accept/Send button located on the right hand side of the form to Accept/Send a record.

  • Page 71: Get Configuration

    As long as the Xfin Blade Management Terminal has established a connection to an Xfin Blade Get Configuration will retrieve every record that is store in the Xfin Blade for that area. To Get Configuration left click on the Get Configuration button located on the right hand side of the form.
  • Page 72 PROGRAMMER GUIDE PAGE 72...
  • Page 73 Team Simoco Ltd, Field House, Uttoxeter Old Road, Derby DE1 1NH Tel: +44 (0) 1332 375500 FAX: +44 (0) 1332375501 www.teamsimoco.com...

  • Page 74: Glossary And Abbreviations

    A. GLOSSARY AND ABBREVIATIONS Transmit Receive Digital Signal Processor Universal Serial Bus Media-Independent Interface JTAG Joint Test Action Group Electro-Magnetic Interference GPIO General Purpose Input/Output Printed Circuit Board PHYsical layer interface SDRAM Synchronous Dynamic Random Access Memory UART Universal Asynchronous Receiver-Transmitter Man-Machine Interface Real Time Clock Power Amplifier...

  • Page 75: Control Card Block Diagram

    XFIN-BLADE-SM B. CONTROL CARD BLOCK DIAGRAM CONTROL CARD BLOCK DIAGRAM PAGE 75...

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