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FunkTronic FT634a TRC Manual

Line interface
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Line Interface
FT634a TRC

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Summary of Contents for FunkTronic FT634a TRC

  • Page 1 Line Interface FT634a TRC...

  • Page 2: Technical Data

    Contents Page Technical Data General Features Channel Remote Switching Transmitter control Functions of the LEDs Examples Jumper Block diagram FT634a (C, CL, TRC) Block diagram DSP Pinout RS232-connecting cable Service program/Adjustment Programming Tone table General Safety Instructions Terms and abbreviations Technical Data Voltage of operation +12V DC +/-30%...

  • Page 3: General Features

    - PTT/ channel 1 - 8 - repeater on / off (optional) Ex factory, the FT634a TRC is programmed with common standard values. Only the desired Guard Tone frequency must be programmed in register 040, digit 1. The FT634a TRC is available in two different housings:...
  • Page 4 (blinking see description) - AF was decoded (blinking see description) Examples Example 1: 2- or 4-wire remote control via private lines Major 4a or 5a or 4 TRC- or DC- remote control FT634a TRC ft634aTRC-eng (06.02.2014) - 4 - Kompetent für Elektroniksysteme...
  • Page 5 Example 2: Parallel circuit of several operation terminals Major 5a Major 4a FT624 FT634a TRC The Major needs to be equipped with a notch filter for the Guard Tone frequency. Beispiel 3: 2-wire remote control via leased lines. Major 4a, 5a or 6...
  • Page 6 Jumper Different configurations can be adjusted with the internal jumpers . For example you can choose between 2- or 4-wire connections. The functions of the different jumpers are printed directly onto the circuit board. Jumper setting normal, 2D, Zr, AC (ex factory) = 2 wire = 4 wire = complex impedance...
  • Page 7 Block diagram FT634a (C, CL, TRC) ft634aTRC-eng (06.02.2014) - 7 - Kompetent für Elektroniksysteme...
  • Page 8 Block diagram DSP ft634aTRC-eng (06.02.2014) - 8 - Kompetent für Elektroniksysteme...
  • Page 9 Pinout The pinout is the same for all types of the FT634a. 8-pin Western jack "RS232" LED yellow LED green : transmitter relay on, because - pilot tone on or - pilot tone decoded or - DC on and - DC decoded or - AF connected to line - AF decoded (blinking see description)
  • Page 10 15-pin Sub-D jack "RADIO" IN : + 12 V IN: + 12 V OUT: PTT-Relay 10 IN: Squelch OUT: PTT-Relay 11 IN: radio, AF in OUT: radio, AF out 12 IN: radio, AF in OUT: radio, AF out 13 I/O: I/O 2 (o.C.) I/O: I/O 0 (o.C.) 14 I/O: I/O 3 (o.C.) I/O: I/O 1 (o.C.)
  • Page 11 RS232-connecting cable RS232 jack on FT634 Computer equipped with RS232 9-pin jack RxD RS232 TxD RS232 Service program/Adjustment The FT 634aC has a RS-232 interface with the following specifications 9600 Baud, 1 Startbit, 8 Data bits, No Parity, 1 Stop bit, neither protocol nor Xon/Xoff For communication with Windows e.g.
  • Page 12 The screen for potentiometer 1: (The actual reading of the internal reference value iis shown after changing or blank key.) Adjustment potentiometer 1: Feed with required level into line-input at 1000Hz. Adjust ‚Line‘ to 300mV at internal reference value. Initial value: adjustment potentiometer 1: Feed with required level into line-input at 1000Hz.
  • Page 13 Programming EEPROM-Registers FT634TRC Reg. Default Description 04800540 Parameters for decoding the TRC High Level Guard Tone (HLGT) 1. digit: guard tone frequency 0 = no decoding of TRC 1 = 2100 Hz 2 = 2175 Hz 3 = 2335 Hz 2.
  • Page 14 Reg. Default Description 03100320 AF-mute level 1.+2. digit: ca. nn*0,9mV threshold AF-mute line>radio activation 3.+4. digit: ca. nn*0,9mV threshold AF-mute line>radio deactivation 5.+6. digit: ca. nn*0,9mV threshold AF-mute line>line activation 7.+8. digit: ca. nn*0,9mV threshold AF-mute radio>line deactivation 12500128 Guard Tone Filter Stelle: Guard Tone filter frequency 0=no filter...
  • Page 15 00051205 Squelch configuration digit: squelch input 0: active low, pullup on 1: active high, pullup off 2: free (audio squelch) 3: free (phantom) 4: active low, pullup off 5: active high, pullup on 3.+4. digit: nn*10ms TX-blocking period after own AF on line, only 2-wire 5.+6.
  • Page 16 01800000 Decoder reference 2 1.-3. digit: nnn*5ms max. tone duration from 2nd tone on 5. digit: tone calling system 0:ZVEI, 1:CCIR, 2:ZVEI2, 3:EEA, 4:ZVEI3 07707000 Encoder reference 1.+2. digit: nn * 10ms tone duration 1st tone digit: n * 10ms tone duration all other tones 4.+5.
  • Page 17 Tone table Tone tabe Tone ZVEI 1 CCIR ZVEI 2 2400 Hz 1981 Hz 2400 Hz 1981 Hz 1060 Hz 1124 Hz 1060 Hz 1124 Hz 1160 Hz 1197 Hz 1160 Hz 1197 Hz 1270 Hz 1275 Hz 1270 Hz 1275 Hz 1400 Hz 1358 Hz...

  • Page 18: General Safety Instructions

    November 2005, the purchasers or users are obliged to return old equipment produced by us free of cost. FunkTronic GmbH will dispose of this old equipment at its own expense according to regulations.
  • Page 19 Real impedance 600 Ohm according to German TBR Remote control via AC voltage Remote control via DC voltage Input Output In- and output I2C-Bus Data I2C-Bus Clock RS232 Transmitter RS232 Receiver Push To Talk Digital Signal Processor FunkTronic ft634aTRC-eng (06.02.2014) - 19 - Kompetent für Elektroniksysteme...
  • Page 20 Revision remarks Modifications made are only mentioned in note form in this section. For detailed information please read the corresponding chapters. 06.02.14 - translation to English version ft634aTRC-eng (06.02.2014) - 20 - Kompetent für Elektroniksysteme...