Ericsson MASTR IIe Maintenance Manual
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Ericsson MASTR IIe Maintenance Manual

Ericsson MASTR IIe Maintenance Manual

Utility handset
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LBI-38599E
Mobile Communications
®
MASTR
IIe
UTILITY HANDSET
Maintenance Manual

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Summary of Contents for Ericsson MASTR IIe

  • Page 1 LBI-38599E Mobile Communications ® MASTR UTILITY HANDSET Maintenance Manual...

  • Page 2: Table Of Contents

    Auxiliary Backplane (MASTR IIe) ........

  • Page 3: Introduction

    1 through 5 software, refer to Appendix computer. There are NO manual adjustments on the Control 1 in the back of this manual. For MASTR III and MASTR IIe Shelf! with group 6 or later software, continue on in this section.

  • Page 4: Utility Handset

    NOTE UTILITY HANDSET The handset will not operate if there is a PC connected to the DB9 serial port of the MASTR IIe backplane or In MASTR IIe applications, the Utility Handset Cable to the MASTR III T/R shelf. plugs into the RJ45 jack (J2) on the Auxiliary Backplane board.

  • Page 5: Operating Functions

    Figure 3 - Handset Operations OPERATING FUNCTIONS NOTE MASTR IIe - Make sure the RF equipment has been The handset operating functions are shown in Figure 3. properly aligned before making ANY adjustments to These functions are in addition to the operating characteristics the control shelf.

  • Page 6: Function Descriptions

    LBI-38599 To reset the station’s programmed personality defaults, Function Display toggle the RESET switch located on the front of the Power Module. MENU None Power up handset FUNCTION DESCRIPTIONS (See Figure 5) Enter function F SEL Repeat Disable select mode Start: Disable the repeater function.
  • Page 7 LBI-38599 CG Encode Disable Carrier Control Timer Disable Start: Disable channel guard encode. Start: Disable the carrier control timer. Stop: Restore the original EEPROM setting. Stop: Restore the original EEPROM setting. CG Decode Disable RUS Disable Start: Disable channel guard decode. Start: Enable Receiver Unsquelched Push to Talk.

  • Page 8: Adjustments

    POTENTIOMETER ADJUST MODE 0-32767 MCTX 0-255 The System Module contains up to 13 digital potentiome- ters (10 in MASTR IIe applications) to set various operational 0-99 levels. These potentiometers must be adjusted properly to 0-32767 ensure optimum station performance. The potentiometers, 0-99 their key, and function are listed on one of three pot pages.

  • Page 9: Metering Mode

    LBI-38599 Down 10 Up 10 FUNCTION DISPLAY Power up None MENU handset Enter adjust POT P1 Down 100 Up 100 pots mode (only applicable with pot 7) PAGE 1 Line output P LO XXX Figure 7 - Ramping Switches The handset adjusts potentiometers in real time. These P TX XXX Tx level pot adjustments are recorded in the personality of the System...

  • Page 10: Remote Station Adjustments Via Modem

    LBI-38599 The Rx Meter and Tx Meter functions in the MASTR IIe REMOTE STATION ADJUSTMENTS VIA are used with the Meter Switching kit, 19B226293G1. See MODEM LBI-4848. In the MASTR III, PWR returns a voltage proportional to Function Display the reflected power in the circulator. Rx is the RSSI line from the IF module.

  • Page 11: Maintenance

    LBI-38599 Remote station adjustments and diagnostics are available Numeric keys used to select the baud rates are given below. using the MASTR IIe/III Utility Program (LBI-38540). Keys other than those identified below are invalid and are not operable. The Utility Handset must be used to adjust the baud rate of a remote station.

  • Page 12: Appendix A

    LBI-38599E APPENDIX A MASTR IIe UTILITY HANDSET OPERATION STATIONS USING GROUP 5 OR EARLIER SOFTWARE...

  • Page 13: Power Supply Nominal Range

    Operating Range C to +60 Vcc VOLTAGE At 25 5.0 Vdc to 5.4 Vdc, typical At 30 5.5 Vdc to 5.9 Vdc, typical At 70 5.0 Vdc to 4.6 Vdc, typical Copyright © March 1991, Ericsson GE Mobile Communications Inc.

  • Page 14: Description

    TQ3353. A complete listing of all lines and signals as well as IIe Control Shelf. Information contained in this section is a Level Adjustments Discussion is contained in the Control applicable to MASTR IIe stations using Group 5 or earlier Shelf Maintenance Manual, LBI 38430. software.

  • Page 15: Operating Functions

    DB9 serial port of the MASTR IIe backplane. The Utility Handset may be used to toggle special func- tions in the MASTR IIe station (see Figure 3). To enter the Function Select Mode from the main menu, Successful power-up will cause the display to show: press the FNC key.

  • Page 16: Function Descriptions

    LBI-38599 Figure 2 - Handset Operations FUNCTION DESCRIPTIONS Function Display Repeat Enable MENU None Power up handset Start: Enable the repeater function. Stop: Restore the original EEPROM setting. F SEL Comment: Since the repeat enable/disable function is pro- Enter function select mode grammable by channel, changing the channel may negate this function.
  • Page 17 LBI-38599 NUMBER FUNCTION CG Decode Enable Start: Enable channel guard decode. Repeat Enable Stop: Restore the original EEPROM setting. Repeat Disable Comment: See CG Encode Enable. Tx Enable Tx Disable CG Decode Disable CG Encode Enable CG Encode Disable Start: Disable channel guard decode. CG Decode Enable Stop: Restore the original EEPROM setting.

  • Page 18: Adjustments

    POTENTIOMETER ADJUST MODE Start: Enable the main receiver. Stop: Restore the original EEPROM setting. The MASTR IIe Control Module can contain up to 7 digital potentiometers to set different levels. These potentiometers Main Rx Disable must be adjusted properly to ensure optimum station perform- ance.

  • Page 19: Metering Mode

    The Utility Handset can monitor station performance by POT SEL Back up providing a readout of various DC voltages in a properly one level configured MASTR IIe. To enter the Metering Mode from the main menu, press the MENU Return to B key.

  • Page 20: Channel Select Mode

    LBI-38599 The Rx Meter and Tx Meter functions in the MASTR IIe The Handset can also present these data in decimal format. are used with the Meter Switching kit, 19B226293G1. See By pressing the "B" key while in the metering mode, the LBI-4848.

  • Page 21: Maintenance

    Utility Handset Handset Self-Test (19A705965P1) or LBI-38412 for Utility Handset • Outline and Schematic Diagrams (19A705870P2). • Parts List • IC Data Ericsson Inc. Private Radio Systems Mountain View Road Lynchburg, VA 24502 1-800-528-7711 (Outside USA, 804-528-7711) Printed in U.S.A.

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