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OTE PUMA T2 Technical Handbook

Hand-held radio terminal
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PUMA T2
Hand-held Radio Terminal
Technical Handbook
Document code: 779-0306/01
Revision 03

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Summary of Contents for OTE PUMA T2

  • Page 1 PUMA T2 Hand-held Radio Terminal Technical Handbook Document code: 779-0306/01 Revision 03...
  • Page 2 OTE liability for any errors in the document is limited to the documentary correction of errors. OTE WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THIS DOCUMENT OR FOR ANY DAMAGES, INCIDENTAL OR CONSEQUENTIAL (INCLUDING MONETARY LOSSES), that might arise from the use of this document or the information in it.
  • Page 3 PUMA T2 Technical Handbook Safety rules Safety rules Before using the equipment, read all the instructions contained in the manual and with special care those relative to safety. Lue käyttöohjeet ja erityisesti turvallisuuteen liittyvat ohjeet ennen laitteen käyttöä. Alvorens over te gaan tot het gebruik van het apparaat lees met aandacht al de instructies van het handboek en let vooral op die die de veiligheid betreffen.
  • Page 4 PUMA T2 Technical Handbook Safety rules Πριν χρησιµοποιήσετε τη συσκευή διαβάστε όλες τις οδηγίες που περιέχονται στο εγχειρίδιο και δώστε ιδιαίτερη προσοχή στης οδηγίες ασφαλείας. Prima di utilizzare l’apparecchiatura leggere tutte le indicazioni contenute nel manuale e con particolare attenzione quelle relative alla sicurezza.
  • Page 5 PUMA T2 Technical Handbook Safety rules This equipment is marked 0648 According to the requirements specified in the R&TTE directive 1999/5/EC and the Commission Decision 6th April 2000, the EC marking is accompanied by the identification number of the notified body and by the Class II equipment class identifier.
  • Page 6 PUMA T2 Technical Handbook Safety rules PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page vi OTE Proprietary information Revision 03...
  • Page 7 Con la presente OTE S.p.A. dichiara che questo PUMA T2 è conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999/5/CE. Por medio de la presente OTE S.p.A. declara que el PUMA T2 cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999/5/CE.
  • Page 8 PUMA T2 Technical Handbook Safety rules PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page viii OTE Proprietary information Revision 03...

  • Page 9: Table Of Contents

    PUMA T2 Technical Handbook Summary Summary LIST OF ACRONYMS ................XVII GLOSSARY ..................XXIX REFERENCE REGULATIONS ............. XXXIII 1. GENERAL INFORMATION ..............1 INTRODUCTION .......................1 TETRA NETWORK OVERVIEW ..................3 1.2.1 TETRA NETWORK EQUIPMENT ..............6 1.2.1.1 Radio Base Station (BS) ..............6 1.2.1.2 Switching and Control Node (SCN)............6...
  • Page 10 INTRODUCTION......................72 RADIO TESTS WITH THE RADIO TEST SET ............... 73 7.2.1 Tests with Radio Test Set ................73 TROUBLESHOOTING FLOW DIAGRAMS ..............80 7.3.1 PUMA T2: troubleshooting flow diagrams............80 P/N: 779-0306/01 Page x OTE Proprietary information Revision 03...
  • Page 11 COLLECTION OF CORRECTIVE MAINTENANCE FORMS..........90 APPENDIX A: BATTERY CHARGER............101 NOTE ..........................101 APPENDIX B: ANTENNA & ACCESSORIES .......... 103 ANTENNA (PUMA T2-400, PUMA T2-430, PUMA T2-470) .........103 ANTENNA (PUMA T2-870) ...................105 LEATHER CASE AND NYLON BAG................106 BELT CLIP ........................107 PTT MICROPHONE WITH INTERNAL SPEAKER ............108 EARPHONE FOR PTT MICROPHONE WITH LOUDSPEAKER........111...
  • Page 12 (Sheet 2 of 2) ....................88 Fig. 8.1: Replacements at the I and II maintenance level............91 Fig. B.1: Antenna (PUMA T2-400, PUMA T2-430, PUMA T2-470) ......... 103 Fig. B.2: Antenna (PUMA T2-870) ................... 105 Fig. B.3 Belt clip........................107 Fig.
  • Page 13 PUMA T2 Technical Handbook List of figures Fig. D.4: Bottom side contacts ....................121 Fig. D.5: Upper side contacts ....................121 Fig. D.6: Block diagram of the protection circuit ...............122 Fig. D.7: 1800 mAh NiMH battery .....................124 Fig. D.8: Instructions on the pack....................125 Fig.
  • Page 14 Description of the symbols used in the troubleshooting flow diagrams....... 81 Tab. 8.1: Summary of the corrective maintenance operations ........... 92 Tab. B.1: Antenna characteristics (PUMA T2-400, PUMA T2-430) .......... 104 Tab. B.2: Antenna characteristics (PUMA T2-470) ..............104 Tab. B.3: Antenna characteristics (PUMA T2-870) ..............
  • Page 15 Version 1: First issue December 2002 Version 2: General revision January 2004 Version 3: General revision for OTE mark and graphic improvement The Fig. 7.3 and the Appendix C are changed; added TETRA TEST SET Page xv P/N: 779-0306/01 OTE Proprietary information...
  • Page 16 PUMA T2 Technical Handbook Issue record sheet PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page xvi OTE Proprietary information Revision 03...

  • Page 17: List Of Acronyms

    PUMA T2 Technical Handbook List of acronyms LIST OF ACRONYMS 4 wires – Ear & Mouth 4w-E&M Ampere Analogue to Digital Access Assignment Channel AACH Alternate Current Associated Control Channel ACCH Alarm Display Unit Automatic Gain Control Accelerated Graphics Port...
  • Page 18 PUMA T2 Technical Handbook List of acronyms Base station Colour Code Broadcast Control Channel BCCH Base Common Function. OTE synonym for SCN. [GPR] Bit Error Rate Busy Hour [PP] Barring of Incoming Calls BlocK Number Base station Linearisation CHannel BLCH Base Link control Entity.
  • Page 19 PUMA T2 Technical Handbook List of acronyms Circuit Mode Control Entity CMCE Common Management Information Protocol [PP] CMIP Connection Oriented Coder / decoder [PP] Codec COnnected Line identification Presentation COLP Class of Usage Control Physical channel Call Report Cyclic Redundancy Check...
  • Page 20 PUMA T2 Technical Handbook List of acronyms Data Link Layer Digital Private Network Signalling System [PP] DPNSS Differential Quaternary Phase Shift Keying DQPSK Dispatching System [PP] Destination Short Data Destination Short Data Agent DSDA Dialogue Service Element Digital Signal Level 0: 64 kbit/s timeslot of an E1 [PP]...
  • Page 21 Home Data Base [GPR] High level Data Link Control [PP] HDLC Hand-Held (Hand-portable) Radio Unit [PP] Home Mobile Location Register. OTE synonym for HDB [GPR] Process to manage HLR [GPR] HLRP Human Machine Interface [PP] Handover (synonym for cell re-selection). [GPR]...
  • Page 22 PUMA T2 Technical Handbook List of acronyms Key Stream Generator Session Key OTAR Key Stream Segment Location Area identifier LA-id Location Area Local Area Network [PP] Linearisation Burst Linearisation Channel Link entity Circuit Mode Control entity Service Access Point LCMC-SAP...
  • Page 23 PUMA T2 Technical Handbook List of acronyms Multiframe Number Mobile Network Code Mobile Network Identity Mobile station Originating Monitoring Pattern Number Mobile Station Main Switching Centre [GPR] Message Sequence Chart Mobile Termination (short form for MTU) Mobile Termination type 0...
  • Page 24 PUMA T2 Technical Handbook List of acronyms Private Automatic Branch eXchange [PP] PABX Probability of synchronisation burst acquisition PACQ Packet Assembler / Dis-assembler [PP] Public Access Mobile Radio [PP] PAMR Password Authentication Protocol Private Branch eXchange [PP] Priority Call or Protocol Control...
  • Page 25 PUMA T2 Technical Handbook List of acronyms RESponse 2 RES2 Request for comments Remote Operating Service Element ROSE Random Seed Random Seed for OTAR TETRA R reference point Received segment Sequence number S(R) Sent segment Sequence number S(S) Specific ConnectionLess Network Protocol...
  • Page 26 PUMA T2 Technical Handbook List of acronyms Symbol Number Short Number Addressing System Network Architecture [PP] Sub-Network Access Protocol SNACP Sub-Network Access Functions SNAF Sub-network Dependent Convergence Protocol SNDCP SNDCP Network Endpoint Identifier SNEI Sub-Network Independent Protocol SNICP Simple Network Management Protocol [PP]...
  • Page 27 PUMA T2 Technical Handbook List of acronyms TErrestrial Trunked RAdio (Formerly Trans-European Trunked TETRA RAdio) Transmission Line LCC-layer Access identifier prefix (message between LCC and TLA_Tetra M/BLE) [GPR] TETRA LLC sub-layer primitive of service TL-primitive SDU from the service user (i.e. MLE)
  • Page 28 Visiting Short Subscriber Group Identity or Visitor GSSI (V)GSSI Visiting TETRA Subscriber Group Identity or Visitor GTSI (V)GTSI Visitor Location Register. OTE synonym for VDB [GPR] Virtual Private Network [PP] Vehicular Radio (a "mobile") [PP] Voice Recorder [PP] Wide Area Network [PP]...

  • Page 29: Glossary

    PUMA T2 Technical Handbook Glossary GLOSSARY The TETRA defined standard high-frequency interface Air interface between a base station and a mobile station, or between mobile stations mutually. Communication between mobile stations mutually, using Direct Mode radio frequencies that fall outside the control of the network, and without intervention of a base station.
  • Page 30 PUMA T2 Technical Handbook Glossary The identity that is broadcast by all TETRA base stations Mobile Network Identity to uniquely identify the network. (MNI) Mobile peripheral equipment. The following types are to Mobile Station (MS) be distinguished: mobile phone, portable phone and radio data terminal.
  • Page 31 PUMA T2 Technical Handbook Glossary An electronic serial number that is permanently TETRA Equipment embedded in the TETRA equipment. A TEI is embedded Identity (TEI) in both MSs (in the MT) and in LSs (in the NT). A global TETRA network address that is used to identify...
  • Page 32 PUMA T2 Technical Handbook Glossary PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page xxxii OTE Proprietary information Revision 03...

  • Page 33: Reference Regulations

    PUMA T2 Technical Handbook Reference regulations REFERENCE REGULATIONS • ETSI EN 300 394-1 v 2.3.1 TETRA Conformal Testing Specification – Part 1: Radio • ETSI EN 301 489-18 - v1.2.1 Electromagnetic Compatibility (EMC) standards for radio equipment and services – Part 18: Specific conditions for TETRA equipment •...
  • Page 34 PUMA T2 Technical Handbook Reference regulations PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page xxxiv OTE Proprietary information Revision 03...

  • Page 35: General Information

    This technical manual contains the description of the PUMA T2 hand-portable radio unit, a mobile form of radio communications equipment operating in a frequency band that depends on the PUMA T2 versions (400 MHz, 430 MHz, 470 MHz, 870 MHz). The PUMA T2 transceiver is a frequency synthetized equipment...
  • Page 36 PUMA T2 Technical Handbook General information Appendix A: Battery charger Appendix B: Antenna & Accessories Appendix C: Vehicular adapter Appendix D: NiCd, NiMH and Li-ion batteries P/N: 779-0306/01 Page 2 OTE Proprietary information Revision 03...

  • Page 37: Tetra Network Overview

    PUMA T2 Technical Handbook General information TETRA NETWORK OVERVIEW A short overview of the TETRA radio-communication system, the reference standards adopted, the network infrastructures, the user terminals is here reported. TETRA stands for TErrestrial Trunked RAdio (Trans European Trunked Radio).

  • Page 38: Tab. 1.1: Acronyms Related To Fig. 1.1

    PUMA T2 Technical Handbook General information Tab. 1.1: Acronyms related to Fig. 1.1 4w-E&M 4 wires – Ear Mouth interface Base Station BS LT BS Local Terminal Control Room Server Data Terminal Equipment Fixed Station Hand Portable radio H-SCN Home Switching and Control Node...

  • Page 39: Fig. 1.1: Tetra Network Architecture

    PUMA T2 Technical Handbook General information Fig. 1.1: TETRA Network Architecture Page 5 P/N: 779-0306/01 OTE Proprietary information Revision 03...

  • Page 40: Tetra Network Equipment

    PUMA T2 Technical Handbook General information 1.2.1 TETRA NETWORK EQUIPMENT In this paragraph, the main characters of the TETRA radio communication system are briefly described (see Fig. 1.1). Both the equipment of the infrastructure and of the terminals are taken into consideration.

  • Page 41: Terminals: Fixed Stations, Vehicular Radio And Hand-Held Radio

    PUMA T2 Technical Handbook General information The LDS is directly controlled by the room server and the connection is through a LAN. 1.2.1.6 Terminals: fixed stations, vehicular radio and hand-held radio Mobile stations are made up of radio terminals which can be divided into vehicular stations and hand-held stations.

  • Page 42: General Characteristics

    Technical Handbook General information GENERAL CHARACTERISTICS The PUMA T2 hand-portable radio unit structure comprise an internal alloy chassis that supports the printed circuit board. The front cover has a window for the display. The loudspeaker and the microphone are housed on the front of the equipment.

  • Page 43: Fig. 1.2: Puma T2 Hand-Portable Radio

    (downloading software and configuration data). Loudspeaker The loudspeaker has a 40mm diameter and a 500mW output power. The PUMA T2 layout is shown in Fig. 1.2 (the antenna of Fig. 1.2 belongs to the PUMA T2-870 version). Fig. 1.2: PUMA T2 hand-portable radio The antenna is connected to the equipment via a TNC coaxial connector.

  • Page 44: Trunked Mode Services

    PUMA T2 Technical Handbook General information TRUNKED MODE SERVICES 1.4.1 Introduction to speech calls Speech calls are circuit voice connections among network users. They are mainly classified as individual and group calls. Both half and full-duplex speech calls are available. The full-duplex call allows the radio unit to speak and listen to at the same time, whereas the half-duplex call allows the radio unit either to speak or to listen in turn.
  • Page 45 PUMA T2 Technical Handbook General information If a radio unit user calls a group that has already a call in progress, he will automatically be included in the ongoing call. For talk group calls, only direct set-up signalling is available. Direct set-up signalling occurs when a radio unit automatically responds to a talk group call without any user operation.

  • Page 46: Telephone Interconnect Call

    PUMA T2 Technical Handbook General information To change the current talk group, the radio unit user is required to detach from the current group and re-attach to the new one. The procedure is performed on air, according to pre-defined TETRA attachment /detachment procedures.

  • Page 47: Data Calls

    PUMA T2 Technical Handbook General information DATA CALLS 1.5.1 Circuit Data Services Circuit data service is a feature allowing a user to transfer a virtually unlimited amount of data to an individual or group identifier. The circuit data service employs traffic channels to establish a switched connection among the users.

  • Page 48: Priority Group Scanning

    PUMA T2 Technical Handbook General information PRIORITY GROUP SCANNING Priority group scanning (PGS) is a mechanism by which a radio unit is programmed to simultaneously attach to a list of talk group identities, by assigning each of them a priority (on a per-user basis) to be used for incoming call management.

  • Page 49: Over The Air Programming (Otap)

    PUMA T2 Technical Handbook General information OVER THE AIR PROGRAMMING (OTAP) With over the air programming (OTAP), the NMS operator has the facility to re- configure radio unit databases remotely over the air interface, and to manage and program talk group aliases (up to 12 characters). OTAP facilitates the centralised programming of a talk group database in the radio units and allows an easy talk group selection on the radio unit.

  • Page 50: Direct Mode Services

    PUMA T2 Technical Handbook General information DIRECT MODE SERVICES Direct mode operation (DMO) is a TETRA operating mode in which two or more mobile stations communicate together without using the switching and management infrastructure. This operating mode is similar to the back-to-back operation of conventional half-duplex radio schemes used by many existing private mobile radio systems such as the emergency services.

  • Page 51: Short Data Services

    PUMA T2 Technical Handbook General information scheme for Group Numbers defined in TMO. The air interface supports more than one group on a DM RF carrier although only one group is able to communicate using the channel at any given time. Only one number (Group Number-GTSI) is sent on the air interface and no acknowledgement is expected.

  • Page 52: Emergency Speech Call

    PUMA T2 Technical Handbook General information EMERGENCY SPEECH CALL The user can make an emergency call by pressing the emergency red button on the top of the radio (for at least two seconds) and then the PTT button to speak;...

  • Page 53: Programming The Equipment

    PUMA T2 Technical Handbook General information 1.10 PROGRAMMING THE EQUIPMENT The equipment’s operating parameters are normally programmed in the equipment through an external PC with the aid of a suitable programming kit (described in the relative section), leaving the user the possibility, however, of entering and/or modifying some data through the portable unit’s keyboard.

  • Page 54: Technical Characteristics

    PUMA T2 Technical Handbook General information 1.11 TECHNICAL CHARACTERISTICS The technical characteristics of the equipment are shown in Tab. 1.2. Tab. 1.2: Technical characteristics Parameter Value Dimensions Hand-portable (including standard 159x65x45 mm battery and rotary knobs and excluding the antenna)
  • Page 55 PUMA T2 Technical Handbook General information Tab. 1.2: Technical characteristics (Cont’d) Environmental characteristics Operating temperature –25° to +55 °C (ETS 300 019-2-7) Storage temperature –40° to +65 °C (ETS 300 019 sec. 1-1 class 1-2) Relative humidity 95% at 40 °C non condensing...

  • Page 56: Maintenance

    PUMA T2 Technical Handbook General information 1.12 MAINTENANCE Maintenance concerns all the actions aimed to maintain or restore the equipment operativity. Maintenance can be preventive (scheduled maintenance) and corrective (unscheduled maintenance). In order to schedule maintenance interventions it is necessary to divide maintenance into levels according to the operations to be carried out.

  • Page 57: Main Components

    PUMA T2 Technical Handbook General information 1.13 MAIN COMPONENTS The PUMA T2 outfit main components are listed in Tab. 1.4 which contains the following information: • DESCRIPTION component title • P/N Part Number Tab. 1.4: PUMA T2 main components Description...

  • Page 58: Standard References

    PUMA T2 Technical Handbook General information 1.14 STANDARD REFERENCES The Tetra “PUMA T2” is designed and manufactured to comply with applicable standard and regulations covering the following areas of product safety: • Conformance to ETSI TETRA standard; • Electromagnetic compatibility and interference (EMC/EMI);...

  • Page 59: Safety Recommendations

    It is advisable to insert the battery pack into the battery charger slot without the Puma T2 radio body. However, when inserting the Puma T2 unit with the battery pack the plastic septum must be removed and the radio must be kept switched off during the whole charging process otherwise some internal components can be damaged.
  • Page 60 PUMA T2 Technical Handbook General information All the connectors not used during normal operations, must be protected by proper covers. Do not cause short circuits between the battery terminals. Do not set the batteries on metal surfaces. Do not set metal tools on the battery terminals.
  • Page 61 PUMA T2 Technical Handbook General information For a safety use/maintenance/installation of the PUMA T2 battery charger vehicular adapter, carefully read safety recommendations in the relative technical manuals. Use only battery chargers recommended by manufacturer and follow the instructions reported in the manual to recharge the battery.
  • Page 62 PUMA T2 Technical Handbook General information Consider the following warnings when using the PUMA T2 in the vehicular configuration: — do not use the radio if the vehicle's antenna and/or the antenna cable are damaged; — make sure that the PUMA T2 is properly anchored during vehicular transport;...
  • Page 63 In order to further increase the level of user safety, we invite you to take into consideration the following additional precautions: The PUMA T2 radio is equipped with an automatic system to control the power transmitted so that the radio transmits at the maximum power only in exceptional cases (radio coverage limit, emergency call).
  • Page 64 PUMA T2 Technical Handbook General information During voice communications in full-duplex mode hold the hand-held radio with the antenna straight and above your shoulder and speak directly into the microphone. Hold the hand-held radio in the vertical position and always at least 3 cm away from your head during voice communications in half-duplex mode.

  • Page 65: Esd Precautions

    1.16 ESD PRECAUTIONS No ESD precautions have to be taken by the operator. PUMA T2 and its ancillary parts are designed and manufactured in such a way not to be sensible to electrostatic discharges according to what referred in the EN 301 489-18.
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  • Page 67: Technical Description

    Technical Handbook Technical description 2. TECHNICAL DESCRIPTION INTRODUCTION This section contains the functional description of the PUMA T2 equipment. The purpose of this section is to give the maintenance technician a good knowledge of the equipment’s operating principles. Page 33...

  • Page 68: General Description

    PUMA T2 Technical Handbook Technical description GENERAL DESCRIPTION PUMA T2 is internally made up of: • RT connector (integrated in the BB and RT card); • Flex connector (integrated in the BB and RT card); • RT logic circuits; •...

  • Page 69: Puma T2 Mechanics

    PUMA T2 Technical Handbook Technical description PUMA T2 MECHANICS The following items are placed on the top of the radio: • rotary knob (volume) • 16 positions rotary knob (channel/group) • one emergency button • main antenna connector • one headset connector •...

  • Page 70: Base Band Section

    PUMA T2 Technical Handbook Technical description BASE BAND SECTION This chapter defines the architecture (hardware and firmware), the specifications of the individual functional blocks and the interfaces of the base band board (Fig. 2.1). SERIAL NUMBER PROTECTED EEPROM DALLAS XDAT, XCLK,RSTXIC...

  • Page 71: Tab. 2.1: Flex Connector Interface Signals

    PUMA T2 Technical Handbook Technical description The base band logic circuits communicate with the external accessory devices by means of the flex connector. Physically, this is made up of a 30-pin in-line female connector, with associated protection diodes and end resistors.
  • Page 72 PUMA T2 Technical Handbook Technical description Interface signals description: SERVICE: Digital signal to activate muting (“squelch”) on possible external loudspeaker. Coding: SERVICE = GND/Floating ==> External loudspeaker active/mute; open collector type output. AP-EXT: Analogue audio signal for single-ended driving of optional external loudspeaker connected to the external lateral connector, with electrical level included between GND and VBI.
  • Page 73 PUMA T2 Technical Handbook Technical description PRES-AL: Digital signal with indication of presence of an external power supply available at the terminal external connector. Coding: PRES-AL = GND/Floating == > External power supply present/absent. ON/OFF: Digital signal to turn the terminal on or off.

  • Page 74: Tab. 2.2: I/F Rt Connector Interface Signals

    Fref Reference frequency from radio card to base band board. PUMA T2-400: Fref = 14.4 MHz PUMA T2-430: Fref = 14.4 MHz PUMA T2-470: Fref = 19.8 MHz PUMA T2-870: Fref = 14.4 MHz GND on connector; we have the common battery analogue digital mass point.
  • Page 75 PUMA T2 Technical Handbook Technical description Interface signals description: ITX, QTX: Components, in phase and in quadrature, of the up-link analogue signal in base band, modulated π/4 DQPSK. Electrical characteristics: 2.4 Vpp with 1.5 Vdc level (as in output from Dual DAC of...
  • Page 76 PUMA T2 Technical Handbook Technical description • Programming data sent on HDATASER (24 pulses to program synthesizer, 16+16+16 = 48 pulses to program the DACs), otherwise maintained at logic 0 state. • Read of the calibration data registered on EEPROM at the edge of the radio card by the microcontroller through SERDATAIN.
  • Page 77 The PLL (Phase Locked Loop) has the following tasks: • generation of microcontroller frequency: 9.216 MHz; • generation of DSP frequency: 12.288 MHz (PUMA T2-400, PUMA T2-430, PUMA T2-870), 15.36 MHz (PUMA T2-470); • generation of Time Base frequency: 9.216 MHz.

  • Page 78: Power Supply

    PUMA T2 Technical Handbook Technical description POWER SUPPLY The purpose of the power supply, whose block diagram is shown in Fig. 2.2, is to supply the voltages for the base band circuits, beginning from the VBI general power supply voltage (7.2 V).

  • Page 79: Radiofrequency Section

    PUMA T2 Technical Handbook Technical description RADIOFREQUENCY SECTION The RT board contains the circuitry for signal reception and transmission. The RT board is made up of two sections: one contains the circuitry for transmission and the other for reception. The RT board contains a switch block that allows frequency changes from the receiving to the transmitting mode (see Fig.
  • Page 80 PUMA T2 Technical Handbook Technical description Transmitter section The base band signal, represented with the two I components, enters the linearizer and is converted into a radiofrequency signal. This conversion is permitted by the synthesizer, which is also present in the receiver section, and allows selecting PLL outputs.

  • Page 81: Tab. 2.3: Signal Frequnces

    PUMA T2 Technical Handbook Technical description ATT1 This attenuator allows regulating the TX gain by controlling the TX gain value. TX gain controls the current in the Pin diodes used in that stage. ATT1 acts on the level of the transmitter noise.

  • Page 82: Tab. 2.4: Vco Frequencies

    PUMA T2 Technical Handbook Technical description VCOH (SYNTH) The oscillator operates at the frequency Foh, and the final stage selects the second harmonic. The BSW selects the B bands as shown in Tab. 2.4: Tab. 2.4: VCO frequencies Version TX/RX...

  • Page 83: Fig. 2.4: Power Supply And Control Signal Functional Block Diagram

    PUMA T2 Technical Handbook Technical description DRIVER R/T SW CONN. VBAT VEXT RT-BB IQ AMP LO SW AMPLOTX MANTAL PRES_AL ON/OFF LO SW AMPLORX TXON SINT DAC 1,2,3 RXON LINEARIZER EEPROM S.PRT 45MHz FILTER AD607 IQ FILTER DAC1 EEPROM TXGain...

  • Page 84: External Connectors

    PUMA T2 Technical Handbook Technical description EXTERNAL CONNECTORS The PEI connector (15 pins) is placed on the right side of the radio unit. The headset connector (7 pins) is placed on the top of the radio unit. Their pin-out are shown in Tab.

  • Page 85: Installation

    PUMA T2 Technical Handbook Installation 3. INSTALLATION INTRODUCTION This section contains the unpacking/re-packing instructions together with the storage, transport and installation requirements. Page 51 P/N: 779-0306/01 OTE Proprietary information Revision 03...

  • Page 86: Unpacking/Re-Packing Instructions And Storage/Transport Requirements

    PUMA T2 Technical Handbook Installation UNPACKING/RE-PACKING INSTRUCTIONS AND STORAGE/TRANSPORT REQUIREMENTS 3.2.1 Unpacking No particular requirements are necessary for the unpacking. However, it is advisable to leave the material in its original packaging until it is required for use. Once the packaging is opened, make sure that all the items listed in the forwarding document are present.

  • Page 87: Setting Up

    PUMA T2 Technical Handbook Setting Up 4. SETTING UP INTRODUCTION This section describes the way to configure a TETRA hand-held radio terminal by using a suitable tool installed in a PC. This tool, the Programming Package, will be referred to as PRP, in the following description.

  • Page 88: Settings

    PUMA T2 Technical Handbook Setting Up SETTINGS 4.2.1 HW/SW Configurations The PC where the PRP is installed must have the following minimum configuration: • 128 Mb RAM; • one or more serial ports; • minimum graphic resolution: 640 x 480 pixels;...

  • Page 89: General Description

    PUMA T2 Technical Handbook Setting Up GENERAL DESCRIPTION The PRP is mainly composed of: an application, resident on the PC, able to manage and carry out the complete configuration of a set of radios; a communication protocol to transfer the information from the PC to the radio terminals;...
  • Page 90 PUMA T2 Technical Handbook Setting Up PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page 56 OTE Proprietary information Revision 03...

  • Page 91: Disposal

    PUMA T2 Technical Handbook Disposal 5. DISPOSAL INTRODUCTION General instructions for the disposal of hazardous materials are contained in this chapter. Page 57 P/N: 779-0306/01 OTE Proprietary information Revision 03...

  • Page 92: Dismantling And Disposal

    PUMA T2 Technical Handbook Disposal DISMANTLING AND DISPOSAL When the equipment described in this technical manual comes to the end of its life cycle and is removed from service, special precautions must be taken during the dismantling and disposal phases.

  • Page 93: Provisions For Re-Use

    In any case, the owner must inform the potential purchaser, in writing, of these hazards. OTE disclaims all responsibility for the equipment once it is scrapped or re-sold. Page 59 P/N: 779-0306/01...
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  • Page 95: Preventive Maintenance

    PUMA T2 Technical Handbook Preventive Maintenance 6. PREVENTIVE MAINTENANCE In this section the information necessary to carry out the preventive maintenance operations on the portable radio equipment PUMA T2 is gathered. Page 61 P/N: 779-0306/01 OTE Proprietary information Revision 03...

  • Page 96: Introduction

    PUMA T2 Technical Handbook Preventive Maintenance INTRODUCTION The preventive maintenance operations required by the equipment taken into consideration are substantially limited to a regular control of their efficiency, a visual inspection and cleaning. The tools and the consumable materials needed to carry out the maintenance activities are listed, when required, together with the procedures to be followed to carry out the operations.

  • Page 97: Collection Of Preventive Maintenance Forms

    COLLECTION OF PREVENTIVE MAINTENANCE FORMS In this chapter all the PM forms describing the relative preventive maintenance operations to be carried out on the portable radio terminal PUMA T2 are gathered. All the forms are sequentially numbered. The operations to be carried out are summarised in Tab. 6.1.
  • Page 98 PUMA T2 Technical Handbook Preventive Maintenance PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page 64 OTE Proprietary information Revision 03...
  • Page 99 PUMA T2 Technical Handbook Preventive Maintenance Equipment Form number PM-01 Portable radio PUMA T2 Page Operation Visual check and cleaning Required tools Consumable materials - Soft brush - None Soft cloth Recurrence Maintenance level 1 Month PROCEDURE Read all the safety recommendations before proceed.
  • Page 100 PUMA T2 Technical Handbook Preventive Maintenance Form number Equipment PM-01 Portable radio PUMA T2 Page PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page 66 OTE Proprietary information Revision 03...
  • Page 101 PUMA T2 Technical Handbook Preventive Maintenance Equipment Form number PM-02 Portable radio PUMA T2 Page Operation Functional check Required tools Consumable materials None None Recurrence Maintenance level 1 Month PROCEDURE Read all the safety recommendations before proceeding. • Check the keyboard and PTT key correct working.
  • Page 102 PUMA T2 Technical Handbook Preventive Maintenance Form number Equipment PM-02 Portable radio PUMA T2 Page PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page 68 OTE Proprietary information Revision 03...
  • Page 103 PUMA T2 Technical Handbook Preventive Maintenance Equipment Form number PM-03 Portable radio PUMA T2 Page Operation Contact/connector check Required tools Consumable materials - Soft brush - De-oxidizing s pray Soft cloth Recurrence Maintenance level 6 Months PROCEDURE Read all the safety recommendations before proceeding.
  • Page 104 PUMA T2 Technical Handbook Preventive Maintenance Form number Equipment PM-03 Portable radio PUMA T2 Page PAGE INTENTIONALLY LEFT BLANK P/N: 779-0306/01 Page 70 OTE Proprietary information Revision 03...

  • Page 105: Troubleshooting

    Technical Handbook Troubleshooting 7. TROUBLESHOOTING The portable radio PUMA T2 troubleshooting techniques are described in this section. These techniques are meant to find out failures that cause a bad functioning of the equipment. The information given in this manual takes into consideration the fact that all the III level maintenance operations will be done only by the OTE assistance technicians.

  • Page 106: Introduction

    T2 are described in chapter 7.2. These tests are aimed to find out whether or not the equipment works correctly, under a radio point of view. If not, it must be sent to the OTE assistance centre. P/N: 779-0306/01 Page 72...

  • Page 107: Radio Tests With The Radio Test Set

    Note If the radio terminal to be tested is a portable one (Puma T2/T3), connect to the test set on the most sensitive RF connector (1W); to select this connector, press the “RF select” button; the two leds next to the connection selected will light up.

  • Page 108: Fig. 7.2: Systems Key

    PUMA T2 Technical Handbook Troubleshooting When the TETRA RADIO TEST SET is turned on, a screen appears on the display with the initials IFR; the test set saves the data relative to the last test carried out in the memory.

  • Page 109: Fig. 7.4: Channel Selection

    PUMA T2 Technical Handbook Troubleshooting Fig. 7.4: Channel selection Once the frequency has been found, confirm it by pressing the key that corresponds to the operating frequency of the terminal from among those located to the right of the display; the test set finds the frequency band and, when the “CONTROL CHANNEL”...

  • Page 110: Fig. 7.6: Red "Enter" Keys

    PUMA T2 Technical Handbook Troubleshooting Note If the frequency band of the terminal under test does not appear among those available to the test set, proceed by creating a personal “SET UP” to insert it (see IFR manual relative to the TETRA TEST SET).

  • Page 111: Fig. 7.7: "Manual Test" And "Mode

    PUMA T2 Technical Handbook Troubleshooting • the other parameters in this second group are not useful for carrying out the test in question. Press the “MORE” key again to access the parameters of the third and last group; none of these are useful for carrying out the test.

  • Page 112: Tab. 7.1: Parameters

    PUMA T2 Technical Handbook Troubleshooting Now turn on the terminal to be tested; it begins to search and then registers itself with its identifier (ITSI), which will appear on the display. When “CALL MOBILE” is pressed, the test set sends a call to the terminal under test;...

  • Page 113: Fig. 7.8: Adjustment Knob

    PUMA T2 Technical Handbook Troubleshooting In these tests, the TETRA TEST SET simulates the TETRA network. Power Test When the “CALL MOBILE” button is pressed on the test set, a call is forwarded to the terminal being tested. After having pressed the “RF GEN” button, vary the field using the adjustment knob (see Fig.

  • Page 114: Troubleshooting Flow Diagrams

    7.3.1. 7.3.1 PUMA T2: troubleshooting flow diagrams A summary of the radio equipment PUMA T2 troubleshooting is shown in Tab. 7.2. In particular: stands for the procedure position in the prospectus; Description: stands for the symptom and thus the beginning of the fault seeking procedure;...

  • Page 115: Fig. 7.9: It's Not Possible To Control The Volume Of The Speaker

    PUMA T2 Technical Handbook Troubleshooting The troubleshooting procedures are shown in the flow diagrams whose symbols are described in Tab. 7.3. Tab. 7.3: Description of the symbols used in the troubleshooting flow diagrams Symbol Meaning Stands for the beginning or the end of the flow diagram. The symptom of the possible fault is described inside the symbol.

  • Page 116: Fig. 7.10: The Radio Doesn't Turn On

    PUMA T2 Technical Handbook Troubleshooting The equipment doesn’t turn on Replace battery (CM-02 form) with one surely charged retry turn equipment Does the radio turn on ? Check that battery is correctly END SEARCH inserted Does the radio turn on ?

  • Page 117: Fig. 7.11: It's Not Possible To Exchange Data With An External Equipment (Sheet 1 Of 2)

    PUMA T2 Technical Handbook Troubleshooting It’s possible exchange data with an external equipment Are the radio Light the radio and/or the and the external external equipment. equipment both lighted? It is still impossible to exchange data? The series Is it still...

  • Page 118: Fig. 7.11: It's Not Possible To Exchange Data With An External Equipment (Sheet 2 Of 2)

    MP-03 form. Is it still impossible to exchange data? Send the radio to the OTE END SEARCH assistance center. END SEARCH Fig. 7.11: It’s not possible to exchange data with an external equipment (sheet 2 of 2)

  • Page 119: Fig. 7.12: The Equipment Turns Off Every Now And Then

    Operate, when required, as described in the PM-03 form Is the problem Send the radio to the OTE solved ? assistance centre END SEARCH END SEARCH Fig. 7.12: The equipment turns off every now and then...

  • Page 120: Fig. 7.13: Failure In The Selection Of The Standard Operative Functions And/Or In The Selection Of The Digits From The Keyboard

    Troubleshooting Failure in the selection of the standard operative functions and/or in the selection of the digits from the keyboard Send the radio to the OTE assistance centre END SEARCH Fig. 7.13: Failure in the selection of the standard operative functions and/or in the...

  • Page 121: The Radio Link, Within The Normal Coverage Area, Is Impossible

    PUMA T2 Technical Handbook Troubleshooting The radio link, within the normal coverage area, is impossible, intermittent or faint Is the “F” symbol present on the radio display ? Does the display show The symbol “F” (FALL-BACK) the ‘battery low’ indicates the reduced working...

  • Page 122: Fig. 7.16: The Radio Link, Within The Normal Coverage Area, Is Impossible, Intermittent

    END SEARCH performed the test but on the network Send the radio to the OTE END SEARCH assistance centre Fig. 7.16: The radio link, within the normal coverage area, is impossible, intermittent or faint (Sheet 2 of 2)

  • Page 123: Corrective Maintenance

    Corrective Maintenance 8. CORRECTIVE MAINTENANCE The information necessary to carry out the replacement operations relatively to the corrective maintenance on the portable radio equipment PUMA T2 is gathered in this section. INTRODUCTION The corrective maintenance operations required by the equipment taken into consideration are substantially limited to the replacement of the antenna, the radio body and the battery.

  • Page 124: Collection Of Corrective Maintenance Forms

    COLLECTION OF CORRECTIVE MAINTENANCE FORMS In this chapter all the CM forms describing the relative corrective maintenance operations to be carried out on the portable radio terminal PUMA T2 are gathered. All the forms are sequentially numbered. The parts which can be replaced, at the I and II maintenance level, without the intervention of the OTE assistance centre, are shown in Fig.

  • Page 125: Fig. 8.1: Replacements At The I And Ii Maintenance Level

    PUMA T2 Technical Handbook Corrective Maintenance Figure Ref. Description Antenna Battery Radio body Connector cover Connector cover Fig. 8.1: Replacements at the I and II maintenance level Page 91 P/N: 779-0306/01 OTE Proprietary information Revision 03...

  • Page 126: Tab. 8.1: Summary Of The Corrective Maintenance Operations

    PUMA T2 Technical Handbook Corrective Maintenance Tab. 8.1: Summary of the corrective maintenance operations Description of the operation Equipment Form N° Antenna replacement PUMA T2 CM-01 Battery replacement PUMA T2 CM-02 Radio body replacement PUMA T2 CM-03 Connector cover replacement...
  • Page 127 PUMA T2 Technical Handbook Corrective Maintenance Equipment Form number CM-01 Portable radio PUMA T2 Page Operation Antenna replacement Required tools Consumable materials None Antenna - De-oxidizing spray Periodicity Maintenance level Not applicable PROCEDURE Read all the safety recommendations before proceeding.
  • Page 128 PUMA T2 Technical Handbook Corrective Maintenance Form number Equipment CM-01 Portable radio PUMA T2 Page Fig. 1 Antenna replacement P/N: 779-0306/01 Page 94 OTE Proprietary information Revision 03...
  • Page 129 PUMA T2 Technical Handbook Corrective Maintenance Equipment Form number CM-02 Portable radio PUMA T2 Page Operation Battery replacement Required tools Consumable materials - Battery None - De-oxidizing spray Periodicity Maintenance level Not applicable PROCEDURE Read all the safety recommendations before proceeding.
  • Page 130 PUMA T2 Technical Handbook Corrective Maintenance Form number Equipment CM-02 Portable radio PUMA T2 Page Fig. 1 Battery replacement P/N: 779-0306/01 Page 96 OTE Proprietary information Revision 03...
  • Page 131 PUMA T2 Technical Handbook Corrective Maintenance Equipment Form number CM-03 Portable radio PUMA T2 Page Operation Radio body replacement Required tools Consumable materials None Radio body Periodicity Maintenance level Not applicable PROCEDURE Read all the safety recommendations before proceeding. • Extract the battery (1, fig. 1) as explained in the CM-02 form.
  • Page 132 PUMA T2 Technical Handbook Corrective Maintenance Form number Equipment CM-03 Portable radio PUMA T2 Page Fig. 1 Radio body replacement P/N: 779-0306/01 Page 98 OTE Proprietary information Revision 03...
  • Page 133 PUMA T2 Technical Handbook Corrective Maintenance Equipment Form number CM-04 Portable radio PUMA T2 Page Operation Connector cover replacement Required tools Consumable materials - Side connector cover None - Upper connector cover Periodicity Maintenance level Not applicable PROCEDURE Read all the safety recommendations before proceeding.
  • Page 134 PUMA T2 Technical Handbook Corrective Maintenance Form number Equipment CM-04 Portable radio PUMA T2 Page Fig. 1 Side connector cover replacement Fig. 2 Upper connector cover replacement P/N: 779-0306/01 Page 100 OTE Proprietary information Revision 03...

  • Page 135: Appendix A: Battery Charger

    PUMA T2 Technical Handbook Battery charger APPENDIX A: BATTERY CHARGER NOTE For any information concerning the battery charger see the “Battery Charger Technical Manual”. Page 101 P/N: 779-0306/01 OTE Proprietary information Revision 03...
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  • Page 137: Appendix B: Antenna & Accessories

    The appendix B describes the antenna, the case and the audio accessories for the PUMA T2 radio unit. ANTENNA (PUMA T2-400, PUMA T2-430, PUMA T2-470) The antenna used by the radio unit is of the shortened, flexible type, (1/4 lambda helicoidal) and it is shown in Fig.

  • Page 138: Tab. B.1: Antenna Characteristics (Puma T2-400, Puma T2-430)

    PUMA T2 Technical Handbook Antenna & accessories The characteristics are shown in Tab. B.1 and Tab. B.2: Tab. B.1: Antenna characteristics (PUMA T2-400, PUMA T2-430) Parameter Type/Value ¼ λ helicoidal Type Frequency range (380÷427) MHz 50 Ω nominal Impedance Polarization...

  • Page 139: Antenna (Puma T2-870)

    The antenna used by the radio unit is of the shortened, flexible type, (1/4 lambda helicoidal) and it is shown in Fig. B.2. Fig. B.2: Antenna (PUMA T2-870) The characteristics are shown in Tab. B.3. Tab. B.3: Antenna characteristics (PUMA T2-870) Parameter Type/Value ¼ λ Type Frequency range 806÷870 MHz 50 Ω...

  • Page 140: Leather Case And Nylon Bag

    Technical Handbook Antenna & accessories LEATHER CASE AND NYLON BAG Both the leather case and the nylon bag allow the user to perform all PUMA T2 operating functions with the radio unit inside. Both available with belt attachment. P/N: 779-0306/01...

  • Page 141: Belt Clip

    Antenna & accessories BELT CLIP PUMA T2 radio unit can be equipped with a clip that allows the unit to be attached to the user's belt (Fig. B.3). This clip is attached to the radio unit on the rear battery side.

  • Page 142: Ptt Microphone With Internal Speaker

    The microphone is connected to PUMA T2 with a polyuretane cable, reinforced by a kevlar wire through the centre. The cable is provided with a connector in order to connect it to the radio unit accessories adapter.

  • Page 143: Fig. B.5: Connector

    PUMA T2 Technical Handbook Antenna & accessories Microphone and speaker characteristics are shown in Tab. B.4, Tab. B.5. Tab. B.4: Microphone characteristics Parameter Value 200 Hz ÷ 5000 Hz Frequency range 1 V ÷ 10 V Voltage -61 dB ± 2.5 dB at 1 kHz (0 dB = 1 V/mbar) Sensibility 2 KΩ...

  • Page 144: Fig. B.6: Electric Scheme Of The Ptt Microphone With Internal Speaker

    PUMA T2 Technical Handbook Antenna & accessories Tab. B.6: Pin function Wire colour Function PIN 1 BLACK PIN 2 BLUE MIC-EN PIN 3 WHITE MIC-EP PIN 4 PTT-EXT PIN 5 BROWN AP-EXT PIN 6 YELLOW P-AUX2 PIN 7 The electric scheme of the PTT microphone with internal speaker is shown in Fig.

  • Page 145: Earphone For Ptt Microphone With Loudspeaker

    PUMA T2 Technical Handbook Antenna & accessories EARPHONE FOR PTT MICROPHONE WITH LOUDSPEAKER This kit ( Fig. B.7) is to be used with the PTT microphone with internal loudspeaker. It is provided with a plastic hook to attach it to the user’s ear.

  • Page 146: Lapel Microphone Ka197/Ka297

    The main features of both the audio kit KA197 and the audio kit KA297 are: • The PTT button is locking in the transmission phase. • The lapel microphone is connected to PUMA T2 with a polyuretane cable, reinforced by a kevlar wire through the centre. • The telephone transmitter is water resistance.

  • Page 147: Tab. B.8: Ka197/Ka297 Microphone Characteristics

    Antenna & accessories When one of these too audio accessory is connected with the radio, it is recognized so that the PUMA T2 can automatically switch the audio signals to the external microphone. These audio kit are shown in Fig. B.8.

  • Page 148: Fig. B.9: Lapel Microphone Electric Scheme

    PUMA T2 Technical Handbook Antenna & accessories The connector pin functions are described in Tab. B.10 with reference to Fig. B.9. Fig. B.9: Lapel microphone electric scheme P/N: 779-0306/01 Page 114 OTE Proprietary information Revision 03...

  • Page 149: Appendix C: Vehicular Adapter

    PUMA T2 Technical Handbook Vehicular adapter APPENDIX C: VEHICULAR ADAPTER For any information concerning the VA/T2 vehicular adapter see the “VA/T2 Vehicular Adapter Technical Manual”. Page 115 P/N: 779-0306/01 OTE Proprietary information Revision 03...
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  • Page 151: Appendix D: Nicd, Nimh And Li-Ion Batteries

    APPENDIX D: NICD, NIMH AND LI-ION BATTERIES INTRODUCTION The PUMA T2 handportable radio can be used with three different families of batteries: NiCd, NiMH and Li-ion. D.1.1 Battery identification The voltage read on contact number two (of the battery) is used for identifying the battery type.

  • Page 152: Li-Ion Battery

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries LI-ION BATTERY In this appendix the Li-ion (2700 mAh) battery is described. D.2.1 Mechanical description The battery pack is equipped with hermetic case (IP 54 protection), it has a weight of 200gr, the external package has a UL40 grade; the case is built up with a GaPlast Cyxolloy C2950 plastic.

  • Page 153: Fig. D.3: Battery Identification Code

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries On the rear side of the battery a small hole can be found. The hole permits out- gassing during the charging phase. An osmotic protection prevent the battery from water infiltration.

  • Page 154: D.2.2 Electrical Description

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries D.2.2 Electrical Description The battery pack is built up of Li-ion cells, the nominal DC voltage is 7.4 V. Some characteristics are given in Tab. D.2. Tab. D.2: Li-ion battery (technical characteristics)

  • Page 155: Fig. D.4: Bottom Side Contacts

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries Fig. D.4: Bottom side contacts Auxiliay Positive Negative feeding pole pole Fig. D.5: Upper side contacts Page 121 P/N: 779-0306/01 OTE Proprietary information Revision 03...

  • Page 156: Battery Pack Layout And Protection Circuit

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries BATTERY PACK LAYOUT AND PROTECTION CIRCUIT The battery pack circuitry is based on two couples of parallel cells of Li-ion connected in series. This architecture permits to reach a DC voltage of 7.4 V and a nominal capacity of 2700 mAh.
  • Page 157 PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries • For high voltage devices the input peak is fixed at 18 V • Operative voltage range 2.0 ÷ 16 V • Failure or critical detection may be delayed by means of external capacitor •...

  • Page 158: Nicd & Nimh Battery

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries NiCd & NiMH BATTERY The battery is composed of six cells connected in series and closed in a plastic cover. The endurance of every battery pack type depends on the handportable duty cycle and on the transmission power.

  • Page 159: D.4.1 Mechanical Description

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries D.4.1 Mechanical description The battery pack must be rainproof (IP 54). The battery pack must be in agreement with EIA STD.RS-316B-point 5.6 Norms. On the back side (to the transceiver) the pack must have a small hole, protected from water with osmotic material, to allow the outlet of gas produced during battery charging.

  • Page 160: D.4.2 Electrical Description

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries Some examples of correct codes are given below: 92811C2 which means week 21 of 1998, NiCd 1200 mAh (preferred) 92811H8 which means week 21 of 1998, NiMH 1800 mAh All the letters and symbols must be in bass-relief of 0.3 mm with glossy finishing.

  • Page 161: D.4.4 Internal Scheme

    PUMA T2 Technical Handbook NiCd, NiMH and Li-ion batteries Three contacts are present on the lower side: 1. Negative 2. Positive 3. Auxiliary Fig. D.12: Lower Side Battery Contacts D.4.4 Internal scheme Inside the pack six battery cells are placed as in the following scheme in Fig. D.13.
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