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RFL 9506 General Description Manual

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POWER-LINE CARRIER SYSTEMS
TYPE RFL 9506
GENERAL DESCRIPTION
Rev. 8'
October 2001

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Summary of Contents for RFL 9506

  • Page 1 POWER-LINE CARRIER SYSTEMS TYPE RFL 9506 GENERAL DESCRIPTION Rev. 8’ October 2001...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page INTRODUCTION CONSTITUTION OF THE SYSTEM TYPES OF TERMINALS OPTIONAL SERVICES PARTICULARITIES OF THE SYSTEM MODULATIONS AND DEMODULATIONS USE OF THE BASE BAND USE OF THE PILOT CHANNEL PROGRAMMING, CONFIGURATION AND SUPERVISION OF THE SYSTEM 13 CONFIGURATION AND PROGRAMMING MENU SUPERVISION MENU COMMISSIONING HELP MENU CONSTITUTION OF THE TERMINAL...

  • Page 3: Introduction

    50 Bd channel used to transmit the call and carry out the Automatic Gain Control (AGC) of the receiver. The technology used in the design of the RFL 9506 is based on microprocessors, on digital signal processing, and on high-performance filtering by means of active components and switched-capacity devices.

  • Page 4: Constitution Of The System

    TYPES OF TERMINALS The RFL 9506 system features terminals of one or two standard 4 kHz channels and can have an output power of 5 W, 20 W, 40 W or 80 W (PEP), measured at the coaxial-connector output.

  • Page 5: Optional Services

    Designation of the different RFL 9506 terminals OPTIONAL SERVICES RFL 9506 terminals have two types of optional modules; one type permits the facilities of the terminal to be extended while the other type allows other equipment to be incorporated in the same terminal.

  • Page 6: Particularities Of The System

    PARTICULARITIES OF THE SYSTEM MODULATIONS AND DEMODULATIONS On the transmit side, the RFL 9506 terminal carries out the transposition of each 4 kHz channel to a band of frequencies that extends from 40 kHz to 508 kHz. This transposition is achieved by means of a triple frequency conversion. The base band can be situated at...
  • Page 7 Figure 1 Transmission modulation plan for a twin-channel system...
  • Page 8 Figure 2 Transmission modulation plan for a single-channel system...
  • Page 9 The inverse transposition is carried out in reception and the channels occupy a basic bandwidth of 4 kHz or 8 kHz according to whether the system is single or twin channel. Figure 3 shows the reception modulation plan for a twin-channel system. The following information describes the frequency-conversion process carried out in reception for a twin-channel system.
  • Page 10 Figure 3 Reception modulation plan for a twin-channel system...
  • Page 11 Figure 4 Reception modulation plans for a single-channel system...

  • Page 12: Use Of The Base Band

    USE OF THE BASE BAND The available band, extending from 300 Hz to 3850 Hz, can be used for the transmission of data at high speed, various VF telegraph channels, teleprotection signals (D-type channel) or for a speech-plus service (T-type channel). Table 2 indicates the maximum number of standardized channels of 50, 100 and 200 Bd that can be situated in the D-type channel.
  • Page 13 processing techniques, it is also possible to compensate for a level variation of the receiver outputs, which is caused by the presence of noise in the pilot channel. Link synchronization The synchronization of link terminals is based on a master-slave operation; the configuration of the equipment as either a master or a slave is defined by program.
  • Page 14 Internal data transmission The supervision of the system is carried out by transmitting data through the internal communication channel at a rate of 50 Bd. The transmission is interrupted when telephone signalling appears and is resumed when it has no transitions. Furthermore, data transmission is periodically interrupted in order to carry out the link synchronization.

  • Page 15: Programming, Configuration And Supervision Of The System

    PROGRAMMING, CONFIGURATION AND SUPERVISION OF THE SYSTEM The RFL 9506 terminal can be fully programmed by using a PC connected to an RS-232C interface; the corresponding information is stored in two different EEPROM circuits as a precaution. The programming can be carried out directly, from a PC connected to the terminal to be programmed, or indirectly, by storing the information on a diskette for its subsequent transfer to the terminal by using a PC.
  • Page 16 Figure 6 Programming possibilities...

  • Page 17: Configuration And Programming Menu

    Terminal identification RFL 9506 terminals are distinguished by means of their serial number. There is also an additional field where the user can add a suplementary description of up to 50 characters.

  • Page 18: Supervision Menu

    Blocking and alarms The audio-frequency outputs can be blocked because of pilot loss or excessive noise. The user can for each output define the signal-to-noise ratio for which blocking must be effected as well as the value of excess noise which causes the external alarm to be activated.
  • Page 19 − Terminal alarms. − Chronological list of alarms. − Chronological list of events. − Receive pilot level. − S/N ratio. Presentation of alarms and events Ten local-terminal alarms and the same alarms for the remote terminal that are transmitted automatically through the communication channel are displayed on the front plate of the power-supply and alarms module.

  • Page 20: Commissioning Help Menu

    This adjustment is carried out by means of a signal generated by the RFL 9506 terminal's own transmitter.

  • Page 21: Constitution Of The Terminal

    CONSTITUTION OF THE TERMINAL The RFL 9506 terminal consists of one 6 s.u. shelf for mounting in a 19" rack, which contains all the basic and optional modules of the system, for both the single and twin-channel versions, with the exception of the power circuits. In the 20 W and 40 W terminals a 3 s.u.
  • Page 22 Depending on the activation voltage of the external inputs for boosting control and M-wire signalling (transmission) there are the two following types: BFPM.10 AF/IF XMT (channel 1) for RFL 9506 terminal of 24 V 48 V (18 V to 100 V).
  • Page 23 20, 40 or 80 W terminals. This module is located in the 3 s.u. shelf. JFLT.80 LINE FILTER AND DIFFERENTIAL TRANSFORMER This is a block that contains the transmit-line filter for the second 40 W amplifier (ABAD.40) and the differential transformer for obtaining the 80 W output power in the RFL 9506-80 terminals.

  • Page 24: Modules For Other Versions

    M-wire signalling (configurable termination) there are the two following types: TMOD.01 Party line for RFL 9506 terminal of 24 V 48 V (18 V to 100 V). TMOD.11 Party line for RFL 9506 terminal of 110 V (30 V to...

  • Page 25: Optional Modules And Submodules

    600 Ω balanced outputs. OPTIONAL MODULES AND SUBMODULES In addition to modules, it is also possible to incorporate submodules in RFL 9506 terminals. These submodules are housed within modules, as detailed in the following: Optional submodules KTTL.00...
  • Page 26 The EYSD module has four inputs and four outputs that are all decoupled by transformer, and two inputs and two outputs for signals coming from the low-frequency buses of each of the channels of the RFL 9506 terminal. It is therefore possible, by programming the module, to effect any combination in the connection of six inputs and four outputs or of four inputs and six outputs.

  • Page 27: Built-In Equipment

    There are various models, the bandwidths of which are different, such as: FTRT.00 Bandwidth: 2150 Hz to 3850 Hz FTRT.01 Bandwidth: 2150 Hz to 3360 Hz FTRT.02 Bandwidth: 2400 Hz to 3200 Hz Filters with other cutoff frequencies can be supplied on request. TPSU.00 6 s.u.

  • Page 28: Technical Characteristics

    TECHNICAL CHARACTERISTICS GENERAL CHARACTERISTICS Operation mode Modulation Single side-band with suppressed carrier and triple frequency conversion Synchronization By master-slave operation or Plesiochronous (no synchronization) Basic bandwidth 4 kHz per channel Pilot tone Functions Automatic Gain Control (independent for each channel). Telephone signalling.
  • Page 29 Automatic Gain Control (AGC) ≥55 dB with 10% pilot modulation Dynamics ±20 dB input level variations provoke variations Efficiency of less than ±0.2 dB at the output - Power-supply failure. Alarms - Output amplifier failure. - Excessive receive level. - Loss of synchronism. - Frequency-synthesizer failure.

  • Page 30: High-Frequency Characteristics

    Nominal impedance Other values on request ≥11 dB Return loss Transmitter Peak envelope power RFL 9506-05: 5 W overresistive load RFL 9506-20: 20 W RFL 9506-40: 40 W RFL 9506-80: 80 W Spurious emission In accordance with IEC 495 cls. 5.2.4 and figures 7 and A.2...

  • Page 31: Audio-Frequency Characteristics

    Between transmitters ≥8 kHz adjacent equipment Between transmitter ≥4 kHz receiver of adjacent equipment Between receivers of adjacent ≥0 kHz equipment AUDIO-FREQUENCY CHARACTERISTICS Available band From 300 Hz to 3850 Hz Whole-band inputs Balanced 600 Ω Nominal impedance ≥20 dB Return loss Nominal level Programmable between –20 dBm and +6 dBm...
  • Page 32 Figure 7 Amplitude distortion Figure 8 Group-delay distortion...
  • Page 33 E and M signalling Transmission By means of optocoupler. Input voltage between: 18 V and 100 V for RFL 9506 of 24 V 48 V 30 V and 190 V for RFL 9506 of 110 V Reception By means of relay. Contact rating: 1A / 250V Pulse distortion of telephone ≤10%...

  • Page 34: Operating Conditions

    External command By means of optocoupler. Input voltage between: 18 V and 100 V for RFL 9506 of 24 V 48 V 30 V and 190 V for RFL 9506 of 110 V Speech-filter cutoff frequency Programmable between 2000 Hz and 3400 Hz Superimposed band Between 1.06 times the speech-filter cutoff...

  • Page 35: Mechanical Characteristics

    Maximum consumption RFL 9506-05: 100 W RFL 9506-20: 160 W RFL 9506-40: 210 W RFL 9506-80: 360 W Insulation, voltage withstand In accordance with IEC 495 tables 2 and 3: andelectromagnetic compatibility - IEC 255-4 class II and class III...

  • Page 36: Characteristics Of The Programming Terminal

    CHARACTERISTICS OF THE PROGRAMMING TERMINAL Type Compatible personal computer (PC) Model AT or superior Operating system MS-DOS 3.0 or superior RAM memory 640 kbytes Type of monitor VGA monochrome or colour Communication RS-232C serial port...

  • Page 37: Constructive Characteristics

    Of the four available models of the RFL 9506 terminal, the RFL 9506-05 is constituted by a 6 s.u. shelf, the RFL 9506-20 and RFL 9506-40 by one 6 s.u. shelf and another of 3 s.u. and the RFL 9506-80 by one 6 s.u. shelf and two of 3 s.u. Figure 9 shows the arrangement and dimensions in standard units of height of the different models of the RFL 9506.
  • Page 38 The connection of the modules in each shelf is achieved by means of a multi-layer printed-circuit base board. The back panel of the 6 s.u. shelf contains the connectors for the input and output of signals. Each connector is assigned, by means of a cable, to a terminal block, with disconnect devices, in order to make external connections.
  • Page 39 Figure 10 RFL 9506-05 simplified block diagram...
  • Page 40 Figure 11 RFL 9506-20/RFL 9506-40 simplified block diagram...
  • Page 41 Figure 12 RFL 9506-05D frontal view...
  • Page 42 Figure 13 RFL 9506-20D/RFL 9506-40D frontal view...
  • Page 43 Figure 14 RFL 9506-20T/RFL 9506-40T frontal view...
  • Page 44 Figure 15 RFL 9506-20DD/RFL 9506-40DD frontal view...
  • Page 45 Figure 16 RFL 9506-20TD/RFL 9506-40TD frontal view...
  • Page 46 Figure 17 RFL 9506-20TT/RFL 9506-40TT frontal view...
  • Page 47 Figure 18 RFL 9506-05 overall dimensions...
  • Page 48 Figure 19 RFL 9506-20/RFL 9506-40 overall dimensions...
  • Page 49 Figure 20 RFL 9506-80 overall dimensions...
  • Page 50 Figure 21 Terminal block for cabinet mounting version D...
  • Page 51 Figure 22 Terminal block for cabinet mounting version T...
  • Page 52 Figure 23 Terminal block for cabinet mounting version DD...
  • Page 53 Figure 24 Terminal block for cabinet mounting version TD...
  • Page 54 Figure 25 Terminal block for cabinet mounting version TT...
  • Page 55 HF Terminals Vdc power supply Alarm 4 Alarm 3 Alarm 2 Alarm 1 E Wire AF Output 2 AF Output 1 M Wire Boosting control AF Input 2 AF Input 1 Figure 26 Terminal assignment of the ZOPB.00 terminal block...
  • Page 56 BFPM C2 AF input 1 AF input 2 Boosting control M wire AF output 1 AF output 2 E wire Figure 27 Terminal assignment of the BFPM C2 terminal block...

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