TECHNICAL MANUAL OPERATION INSTRUCTIONS VHF TRANSMITTER MT C-100T © Cubic Communications, lnc. $535 Wales Street San Diego, California 92121-2953 Telephone: (858) 643-5800 Teletext: (858) 643-5603 Manual Part No. 3003-1021-8 Issue 1.
MT C-100T TECHNICAL MANUAL @ CUBIC. COMMUNICATIONS Am amber of the Cutie Corporation farming of companies RECORD OF CHANGES CHANGE | DATE TITLE OF BRIEF DESCRIPTIONS ENTERED BY Issue 1.
@cubic. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Cute Co portion family of companies FOREWORD SCOPE This manual contains information to obtain best performance from the MT C-100T Transmitter. The information includes: a general description of the equipment, preparation for use and installation instructions, operating instructions, general theory of operation, maintenance instructions, preparation for reshipment, storage, and parts list.
MT C-100T TECHNICAL MANUAL CUBIC. COMMUNICATIONS Bombard of the Cubic Resorption family of companies TABLE OF CONTENTS Chapter Page 1 GENERAL DESCRIPTION 1-1 1-1 INTRODUCTION. 1-1 1-2 EQUIPMENT DE! 1-1 1-3 SPECIFICATIONS 1-1 1-4 EQUIPMENT FURNISHED 1-1 1-5 STORAGE DATA 1-1 1-6 TOOLS AND TEST EQUIPMENT .. 1-1 1-7 SAFETY PRECAUTIONS 1-1 2 PREPARATION FOR USE AND INSTALLATION INSTRUCTIONS 2-1 2-1 INTRODUCTION .. 2-2 UNPACKING AND INSPECTION 2-3 INSTALLATION 2-4 CONNECTIONS 3 OPERATING INSTRUCTIONS .
MT C-100T TECHNICAL MANUAL © CUBIC. COMMUNICATIONS Table amber of the Cuba Corporation dark of companies LIST OF TABLES Page MT C-100T Specifications . .. ooh IEEE 1-2 Items Furnished 1-3 Recommended Tools and Test Equipment (Or Equivalent) 1-3 Rear Panel Connections oo iii iii ici aaa 2-3 AUDIO Connector (J1) Pin Descriptions 2-4 Maintenance Connector (J2) Pin Descriptions... . L285 Serial Bus Interface Command Messages 3-6 Serial Bus Interface Status Messages 0 3-6 Primary Operational Commands iii iii 3.
MT C-100T TECHNICAL MANUAL © CUBIC. COMMUNICATIONS A member of the Cubic Corporation family of companies comm 0 6 Figure 1-1 MT C-100T Front View Issue 1.
© CUBIC. COMMUNICATIONS A member of tha Cubic Corporation family of companies MT C-100T TECHNICAL MANUAL CHAPTER 1 GENERAL DESCRIPTION 1-1 INTRODUCTION. This chapter contains an equipment description, equipment supplied and required, storage data, tools and test equipment, and a summary of safety precautions. 1-2 EQUIPMENT DESCRIPTION. The MT C-100T Transmitter (figure 1-1) is a superheroes design using digital signal processing {DSP} and direct 1&Q digital modulation in transmit.
MT C-100T TECHNICAL MANUAL ® CUBIC. COMMUNICATIONS A member of the Cubic Corporation faddy of companies Table 1-1 MT C-100T Specifications. item Specification FREQUENCY Tuning Range 150 MHz 174 MHz Tuning Time Can tune to any of the 12.5 kHz channels within 100 ms Channel Spacing Frequency Stability 12.5 KHz 2 ppm (0°C to +40°C) TRANSMIT FUNCTION Antenna Impedance 30 ohms nominal Channel Spacing Control Load SWERVE Capacity 12.
CUBIC. COMMUNICATIONS Am amber of the Cubic Corporation family of companies Table 1-2 Items Furnished. MT C-100T TECHNICAL MANUAL Part No. Nomenclature Furniture. 3003-1000-8 MT C-100T VHF Transmitter Fun. 696-012 AC power cord Turn 3003-1021. Technical manual Fun Table 1-3 Recommended Tools and Test Equipment (Or Equivalent). Part No. Nomenclature Manufacturer Screwdriver, Phillips 6 inch, No. | Any Screwdriver, Phillips 6 inch, No.
CUBIC. COMMUNICATIONS A amber of the Cubic Coma ration family of companies MT C-100T TECHNICAL MANUAL CHAPTER 2 PREPARATION FOR USE AND INSTALLATION INSTRUCTIONS 2-1 INTRODUCTION. This chapter contains unpacking, inspection, installation, connections, and initial alignment procedures. 2-2 UNPACKING AND INSPECTION. To unpack and inspect the transmitter for damage, perform the following procedures: WARNING Do not drop the equipment when lifting or carrying. Personnel injury or equipment damage may occur, I.
@music. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Cubic Corporation (sm of companies Table Panel Connections. Name Connector Recommended Description On Unit Mating Type AUDIO (31) 15-pin "D" 15-pin "D" sub miniature Used to connect audio and control functions to the remote sub miniature male female (324-070) controller or other equipment, Table 2-2 Lists the pin (324-009) descriptions MAINTENANCE 25-pin male I 25-pin female D sub For RS-232C remote control functions.
MT C-100T TECHNICAL MANUAL Signal @©CUBIC. COMMUNICATIONS A backcomb of the Cube Corporation feisty of companies Table 2-2 AUDIO Connector (J1) Pin Descriptions. Remarks AUDIO IN 600 ohm balanced line AUDIO IN RTN 600 ohm balanced line KEY Ground to key transmitter Reserved Reserved Reserved Reserved Reserved NC GND NC GND NC GND 2-4 Issue 1.
CUBIC. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A amber cf the Cubic Corporation family of companies Table 2-3 MAINTENANCE Connector (J2) Pin Descriptions. Pin Signal Remarks 1 NC 2 TXD RS-232 Transmit Data 3 RXD RS-232 Receive Data 4 RTS R-232 Request To Send ] Ss CIS Not used 6 NC 7 GND Signal Ground 8-25 NC NOTE: The pin out for the RS-232 interface follows the recommendations of the EIA standard, The transmitter will operate as Data Terminal Equipment (DOTE.
@music. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of ine Cuddly Corporation family of companies CHAPTER 3 OPERATING INSTRUCTIONS 3-1 INTRODUCTION The MT C-100T transmitter is remotely controlled via a serial interface on the Maintenance Port. ‘The serial line interface standard available for the MT C-100T transmitter is RS-232. Parameters associated with the remote control interface can be checked and changed from the rear panel of the transmitter.
MT C-100T TECHNICAL MANUAL 3-2.2 Software Installation Upgrade Procedures. If it becomes necessary, the internal software may be upgraded by connecting the Maintenance Port to an IBM compatible PC running DOS or a DOS window under Windows™, Use the Cubic-furnished program COMM, and connect the computer serial port to the Maintenance Port with a suitable cable. In most cases a “Null Modem” cable or adapter is required. In some cases, a gender adapter is also required. 1.
@C Cubic. COMMUNICATIONS A member of the Cubic Corporation family of companies 3-2.4 Serial Bus Message Format, All transmissions, in either direction, conform to the message format shown in figure 3-2. All transmitted and received characters will be encoded and interpreted as conforming to the ASCII character code. Each character in the message is passed in an asynchronous serial format as shown in figure 3-3.
MT C-100T TECHNICAL MANUAL © CUBIC. COMMUNICATIONS NOTES: NOTE: 3-4 A member of the Cubic Corporation family of companies {8TX|1 2 3|F 1S 000 0SP PWR 10 [CR] rte} pea Start ASCII Carriage of Text Space Character Return The first character of a transmission will always be STX (start of text, ASCII code 02).
CUBIC. COMMUNICATIONS A member of the Cubic Corporation family of companies 3-2.6 Serial Bus Message Protocol. The interface system operates in one of two modes: NORMAL or ACKNOWLEDGE. These modes, table 3-1, are selected by sending the transmitter the appropriate interface command message. At power up, the interface mode is set to NORMAL by default. At power up the interface mode is set (0 NORMAL by default. Both modes are discussed in the following paragraphs: Serial Bus Normal Mode.
MT C-100T TECHNICAL MANUAL example, the reply to the Radio Command Message "F?" (request current frequency setting) is in the same format as the Radio Command Message to change the Frequency. All Radio Status Messages, except C?, are made up of fixed length strings so that values may be parsed by Message Definition Table 3-1 Serial Bus Interface Command Messages. © CUBIC. COMMUNICATIONS Am amber of the Ruble Corporation family of monomaniacs counting the characters of the Status Message.
® CUBIC. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Cubic Com oration lemma of comp manias Table 3-3 Primary Operational Commands. Syntax Reply Description Change Operating Frequency. Set the operating frequency. The first form Fanny is for frequency in kHz, the second form Cannonade is for frequency in 10 Hz units, The first form may be used for frequencies that are an even number of kilohertz. Otherwise, the second form must be used.
MT C-100T TECHNICAL MANUAL CUBIC. COMMUNICATIONS A member of the Cubic Corporation Emily of companies Table 3-4 Secondary Operational Commands. font ax Reply Description DEVIN Change Transmit Deviation. Set the transmitter deviation, nnn is the desired peak deviation in units of 100 Hz. Range is 010 kHz) Devon Request the transmitter deviation status, The reply format is the same for Bennie above Change Audio In pat Source.
@music. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Cubic Corporation family of companies Table 3-4 Secondary Operational Commands. Syntax Reply Description J R? Cannonade ISn Tn FS |Request a report of the current values of selected operating parameters. The parameters are: = frequency, I8n = input selection, Tn = transmitter state, and FSn = fault status. cy Variable responses Request a report of parameters that have changed.
MT C-100T TECHNICAL MANUAL CUBIC. COMMUNICATIONS A member of the Ruble Corporation family of companies Table 3-5 Utility Commands Syntax Reply Description Marinara Change Frequency Tone Set the frequency of the tone used for modulation when the Input Selection is IS2 (INSIST. noon is replaced with the tone frequency in hertz. Range is 50 to 6000 Hz. TN? Request the frequency tone status. The reply format is the same for above. Change the Transmitter Timeout Value. Set the transmitter timeout value.
CUBIC. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A mammogram of the Ruble Corporation family of companies Table 3-5 Utility Commands Syntax Reply Description [VOCAL Perform the vector feedback calibration routine and program the nonvolatile lookup table of vector feedback constants. Before performing this command a dummy load must be connected to the antenna connector. This command may take over 30 seconds to complete. The unit will click for every frequency that it adds to the table.
MT C-100T TECHNICAL MANUAL Syntax CUBIC. COMMUNICATIONS Camembert of ihe Cubic Corporation femininity of companies Table 3-7 Built In Test Diagnostics Reply Description Fs? Fsn Request the summary status of all the fault detectors. Where nis: 0 = No faults are detected (FSO) Any of the 16 fault detectors indicates a fault (F$1) This is an abbreviated version of the FC? command. [F'C? CEA e ESN Request a report of all current faults.
CUBIC. COMMUNICATIONS Am amber of the Cubic Corporation family of companies MT C-100T TECHNICAL MANUAL Table 3-7 Built In Test Diagnostics [ores Reply Dec n Po Run the power-on self test (POST) manually. This test, which is run automatically at power-on, checks various systems in the control and DSP processors for normal operation. po? Request the results of the most recent power-on self test (POST) sequence.
MT C-100T TECHNICAL MANUAL Syntax Reply ® CUBIC. COMMUNICATIONS A member of the Ruble Corporation amity of companies Table 3-7 Built In Test Diagnostics Description Ps? Request a report of the in or out of tolerance status of each power supply voltage. The reply format is: The n characters in the reply message are grouped into four pairs. Each nn pair represents the over and under status of one voltage. The left n of each pair that voltage is above the tolerance limit not.
@CUBIC. COMMUNICATIONS A member of the Ruble Corporation family of companies MT C-100T TECHNICAL MANUAL CHAPTER 4 MAINTENANCE INSTRUCTIONS Section I. PREVENTIVE MAINTENANCE 4-1 INTRODUCTION. This chapter contains both preventive and corrective operational level maintenance instructions. The information includes cleaning and lubrication, inspection, performance verification, and troubleshooting.
MT C-100T TECHNICAL MANUAL 4-2 4. Power on the transmitter. 5. On the computer, run the Cubic-furnished program, COMM, and verify the strings COMM remembers the settings the last time it was run. If running it for the first time, be sure to select the Serial interface: COM port J or 2 (Led, 1 or 2). Then examine the serial line parameters at the bosom of the screen or window, If using the recommended Factory Default settings, insure the settings are: a. Baud Rate = 38,400 b.
CUBIC. COMMUNICATIONS Am amber of hs Cubic Resorption family of companies MT C-100T TECHNICAL MANUAL Section I. CORRECTIVE MAINTENANCE 4-5 TROUBLESHOOTING. 4-51 Troubleshooting Philosophy. Certain assumptions are made concerning the troubleshooting approach as applied to the transmitter as follows: tb. All point-to-point wiring is correct. Therefore, no malfunction is the result of a wiring (or cable connector) fault.
MT C-100T TECHNICAL MANUAL @® CUBIC. COMMUNICATIONS 4 member ot the Cubic Corporation family of companies Table 4-1 Fault Messages. Message Meaning Action To Take Error interrupt has occurred Divide by zero or other software error has occurred. May indicate a software problem. If condition recurs, report to CCI factory engineers. Use R? query to identify all operation conditions at time of error, DSP clock fault Phase Lock Loop (PLL) malfunctioning. 1. Recycle power.
@® CUBIC. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Ruble Corporation family of companies 4-6 SOFTWARE UPLOADING. The transmitter's control and DSP software may be replaced using the Maintenance connector J2 on the rear of the unit to gain access (0 the unit's flash memory. The upload may be done using a DOS-based personal computer with a serial bus null-modem cable and one of the COMM ports on the PC. ‘To upload software to the transmitter control and DSP processors, refer to section 3-2.
CUBIC. COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Ruble Corporation family of companies. CHAPTER 5 PREPARATION FOR RESHIPMENT 5-1 INTRODUCTION. 2. Cover the unit with foam or bubble-type packing material. This chapter contains information to prepare the unit for 3 Place the unit in the center of the shipping container. reshipment including disassembly and removal from the rack mount, packaging, and shipping. 4.
@ CUBIC.COMMUNICATIONS MT C-100T TECHNICAL MANUAL A member of the Cubic Corporation family of companies: CHAPTER 6 STORAGE 6-1 INTRODUCTION. CAUTION This chapter contains information for storage of the Unit contains parts and assemblies equipment including environmental conditions and any sensitive to damage by electrostatic special preservation requirements. discharge (ESTES. Do not ship or store near strong electrostatic, electromagnet-2 STORAGE ENVIRONMENT. genetic, magnetic or radioactive fields.
© CUBIC. COMMUNICATIONS MT C-100T TECHNICAL MANUAL CHAPTER 7 PARTS LIST 7-1 INTRODUCTION. 7-2 REPLACEABLE PARTS LISTING. This chapter contains the parts list for replaceable modules Table 7-1 lists replaceable modules and chassis-mounted and chassis-mounted components at the operational components for the unit. {See figure FEW-4 for locations.) maintenance level. Table 7-1 Replaceable Parts. Qty Description Part Remarks Mtr Number 1 Hoard, AC Line Filter .
COMMUNICATIONS son trad of accompanied UNLESS OTHERWISE SPECIFIED X airiness Rom oF Coadjutors CAB. INDICATES REGION CABLE. oir DASH HUBER INGRATES STALLED SOFTWARE.