Manuali utente per Norsat International Inc. NSLK3200

Sommario

• Notices

  3
  • Trademark Acknowledgments

    3
  • Disclaimer

    3
  • Copyright

    3
  • Revision History

    3
  • Contents

    5
• Preface

  9
  • Text Conventions

    9
  • Definitions, Abbreviations and Acronyms

    10
  • Protocols and Standards

    12
• CHAPTER 1 Safety Precautions

  13
• CHAPTER 2 Norsat NewsLink Overview

  15
  • Features

    15
  • System Operation

    15
• CHAPTER 3 Norsat NewsLink Cases

  19
• CHAPTER 4 Antenna/RF Unit

  21
  • Antenna/RF Unit Cases

    21
  • Antenna

    23
  • Transceiver

    23
  • Peripherals

    23
    • Compass

      23
    • Inclinometer

      24
    • Level

      24
    • Interface/Indicator Unit

      24
    • Ku-L Block Down-converter

      24
• CHAPTER 5 Baseband/IF Unit

  25
  • Baseband/IF Unit Case

    25
  • Baseband/IF Unit Interfaces

    26
    • IFL Interface Panel

      26
    • Test Interface Panel

      27
    • Power Interface Panel

      28
    • Auxiliary Interface Panel

      28
    • Audio Monitor Interface Panel

      29
    • Analog Audio In Interface Panel

      29
    • Video In Interface Panel

      29
    • Digital Signal In Interface Panel

      29
    • L-Band Interface Panel

      29
    • GPS Receiver Interface Panel

      30
  • Baseband/IF Unit Functionality

    30
    • Transmit and Output Power Settings

      30
    • Maintenance and Indication

      30
    • Transmission Frequency Setting

      30
    • Audio & Video Encoding

      31
    • Channel Coding and Modulation

      31
    • Upconversion, Frequency Level Control

      31
    • Reception of DVB-S/MPEG-2 TS

      31
    • Encoded Video Display

      31
    • Antenna Pointing Calculations

      31
    • Spectrum Analyzer

      32
• CHAPTER 6 Norsat NewsLink Deployment

  33
  • Deploying the Antenna/RF Unit

    33
    • Opening the RF Unit Cases

      34
      • i. Lift the winglever and turn it counter-clockwise.

        34
      • ii. Fold in the winglever until it is once again flush with the latch mechanism.

        34
    • Deploying the Antenna

      35
      • i. Slip the two pins at the top of the leg into the guide slots on the support base.

        36
      • ii. Once in place, turn the hand wheel clockwise, until tight, to secure.

        36
        • i. Elevation rod: quantity 2 of different lengths; select the length appropriate for the required...

          36
      • ii. Quick action knobs: quantity 2

        36
      • iii. Elevation fastening collars: quantity 2

        37
  • Deploying the Baseband/IF Unit

    44
    • Opening the Baseband/IF Unit Case

      45
      • i. Lift the winglever and turn it counter-clockwise.

        45
      • ii. After unlatched, fold in the winglever until it is once again flush with the latch mechanism.

        45
    • Baseband/IF Unit Cable Connections

      45
  • Antenna and Baseband Unit Interconnections

    45
    • Interfacility Link

      46
    • Interconnection

      46
  • Connecting Peripherals to the Baseband/IF Unit

    48
  • Powering Up the Baseband/IF Unit

    48
    • i. Open the laptop by pressing the latch on the laptop lid.

      48
    • ii. Press the power button.

      48
• CHAPTER 7 Norsat NewsLink Configuration

  49
  • Setup Procedure Overview

    49
    • Step 1: Configure System Settings

      49
    • Step 2: Antenna Alignment

      50
    • Step 3: Transmitter Control

      50
  • Norsat NewsLink GUI

    51
  • System Settings

    52
    • Satellite Information

      52
      • Adding New Satellite Information

        52
        • i. Select Display in list of available satellites if the satellite is to be shown in the list.

          53
        • ii. Enter a Description for the satellite; maximum length of 20 characters.

          53
        • iii. Enter the Orbital Position of the satellite.

          53
        • iv. Enter the Tx/Rx Trans in MHz. This indicates the amount your frequency is down-converted by t...

          53
        • v. Notes associated with the satellite may optionally be added.

          53
        • vi. Enter the Operator Phone #; maximum length of 20 characters.

          53
          • i. Enter the horizontal polarization carrier frequency of the satellite in the Horizontal Alignme...

            53
        • ii. Enter the vertical polarization carrier frequency of the satellite in the Vertical Alignment ...

          53
          • i. To enter the horizontal carrier frequency of the satellite, select the Horizontal Carrier chec...

            54
        • ii. To enter the vertical carrier frequency of the satellite, select the Vertical Carrier check b...

          54
      • Editing Satellite Information

        54
      • Deleting a Satellite

        54
    • Transmission Profiles

      54
      • Adding a Transmission Profile

        55
        • i. If the Signal Type is NTSC, select either 704x480 or 352x480.

          57
        • ii. If the Signal Type is PAL, select either 704x576 or 352x576.

          57
          • i. Dual Mono: each channel always uses exactly half of the bitrate. For example, if you select Du...

            58
        • ii. Stereo: the bitrate is dynamically balanced between the left and right channels. For example,...

          58
      • Editing a Transmission Profile

        59
      • Deleting a Transmission Profile

        59
      • Copying a Transmission Profile

        59
    • Transmit Frequency Presets

      59
      • Adding a Preset Transmit Frequency

        60
      • Editing a Preset Transmit Frequency

        61
      • Deleting a Transmit Preset Frequency

        61
    • Transmit Power Quick Keys

      61
    • LNB Selection

      62
      • i. A: 11.7-12.2 (Lo 10.75) (GHz)

        63
      • ii. B: 12.25-12.75 (Lo 11.30) (GHz)

        63
      • iii. C: 10.95-11.7 (Lo 10.00) (GHz)

        63
  • Antenna Alignment

    63
    • i. Select the Use GPS radio button and click Obtain Lock to have the position of the terminal acq...

      64
    • ii. Select the Manual Coordinates radio button and enter the current position of the terminal in ...

      64
      • i. The following antenna alignment settings will be displayed:

        65
    • ii. Additional information, provided by the user when the satellite information was entered, will...

      65
      • i. Coarse adjustment is made by sliding the quick adjust collar to the approximate position.

        66
    • ii. Fine adjustment is done by turning the collar to engage the threaded rod.

      66
      • i. The following antenna alignment settings will be displayed:

        67
      • i. Span: the total length of the horizontal axis. This value can be between 1 and 500 MHz, in 0.1...

        69
    • ii. Center: the center frequency in GHz; the range for this value is dependant on the LNB selected.

      69
    • iii. dB/div: the number of dBm per division on the vertical axis. This value can be between 0.5 a...

      69
    • iv. Reference: maximum value of the horizontal axis. This value can be between -200 and 0 dB.

      69
    • v. Averaging: the number of samples the signal is averaged over. This value can be between 1 and 16.

      69
      • i. Align. Carrier: default bandwidth of 10 MHz, centered to alignment carrier frequencies set in ...

        69
    • ii. DVB Carrier: bandwidth set to two times the symbol rate, centered to DVB carrier frequencies ...

      69
    • iii. Full Span: bandwidth set to full range of selected LNB.

      69
      • i. 3.05 kHz: for a detailed, but slower display.

        70
    • ii. 97.65 kHz: for a fast, but less detailed display.

      70
      • i. Using the left and right arrows for each marker.

        70
    • ii. Clicking, or clicking and dragging, the left mouse button to move marker 1; right mouse butto...

      70
      • i. Slowly sweep the azimuth to peak the signal.

        70
    • ii. Tighten the azimuth hand wheels/levers.

      70
    • iii. Slowly sweep the elevation to peak the signal by turning the quick adjust collars on the ele...

      70
    • iv. Tighten the quick adjust screws to lock the elevation position.

      70
    • v. Verify that the antenna is pointed at the correct satellite by checking the spectral signature...

      70
    • vi. Polarization is best peaked by maximizing a cross-pol signal. Attempt to find a cross-pol sig...

      70
    • vii. Set the center frequency of the Signal Strength meter to the center of this clear area, and ...

      70
    • viii. Slowly sweep the polarization in one direction until the signal strength reading rises.

      70
    • ix. Verify on the Spectrum Analyzer that the signal level rises; ideally 10 dB. Note this polariz...

      70
    • x. Sweep the polarization back through the starting point until the signal strength reading is th...

      70
    • xi. Calculate the mid-point of the two extremes and set the polarization setting to this value.

      70
    • xii. Tighten the thumb screw.

      70
      • i. Holding: indicates the satellite that the antenna is locked on to, if it is indeed locked.

        70
    • ii. Signal Quality: indicates the strength of the signal. This bar is green if the signal quality...

      70
    • iii. Lock Status: is green and indicates Locked if the signal is locked; yellow otherwise.

      71
    • iv. Search Adjacent Satellites: if selected, all of the entered satellite profiles will be search...

      71
    • v. Range: indicates how many degrees around the current satellite location to search.

      71
    • vi. Timeout: indicates the length of time to attempt to find a carrier on each adjacent satellite.

      71
  • Transmitter Control

    71
    • i. From the Transmission Profile drop-down box, select the desired transmission profile. A summar...

      72
    • ii. Enter the Transmit Frequency in MHz; press the + and - buttons to fine tune, or

      72
    • iii. Select a preset transmit frequency value from the Presets drop-down box.

      73
      • i. CW (24.0 dBm): to turn the transmitter on with Modulation set to OFF, continuous wave (CW), at...

        73
    • ii. CW (25.0 dBm): to turn the transmitter on with Modulation set to OFF (CW) at the nominal powe...

      73
    • iii. QPSK (25.0 dBm): to turn the transmitter on with Modulation set to ON (QPSK), at the nominal...

      73
      • i. ON to modulate the carrier using quadrature phase shift keying (QPSK), or

        73
    • ii. OFF to have a CW carrier.

      73
      • i. An indicator stating whether the transmitter is ON or OFF

        73
    • ii. The Actual Power in Watts

      73
    • iii. The EIRP in dBW

      73
    • Keyboard Shortcuts

      74
      • i. Click on the desired tab (Receiver or Transmitter).

        75
      • ii. Click on the desired graph (Receiver or Transmitter).

        75
    • Transmitter Status

      75
      • i. Tx Local Loopback: pressing play, ,will display the encoded version of the stream being transm...

        76
      • ii. Tx Satellite Loopback: the antenna receives, and upon pressing play the Transmitter Status wi...

        76
      • iii. Receive (DVB Carrier): displays the received program as selected from the Prog. Number drop-...

        76
      • iv. None: no stream will be displayed.

        76
        • i. The status of the transmitter, i.e., either ON or OFF, is indicated.

          76
      • ii. If the transmitter is ON, to stop the transmitter, click OFF.

        76
• CHAPTER 8 Storing the Norsat NewsLink

  83
  • Storing the Baseband/IF Unit

    83
    • Powering Down the Baseband/IF Unit

      83
      • i. From the Windows toolbar, select Start ‡ Shut Down.

        83
      • ii. Select Shut Down and click OK.

        83
    • Closing the IF Unit Case

      83
      • i. Lift the winglever and turn it clockwise.

        83
      • ii. Fold in the winglever until it is once again flush with the latch mechanism.

        83
  • Disconnecting Peripherals from the Baseband Unit

    83
  • Disconnecting the Antenna and Baseband Units

    84
  • Storing the Antenna/RF Unit

    84
    • i. Place the first reflector panel on the 3/16” foam sheet, and cover with another piece of 3/16”...

      85
    • ii. Repeat step ii for the second and third reflector panels, with the panels rotated 180 degrees...

      85
      • i. Lift the winglever and turn it clockwise.

        88
    • ii. Fold in the winglever until it is once again flush with the latch mechanism.

      88
• CHAPTER 9 Troubleshooting

  89
  • General Troubleshooting Tips

    89
  • Transmission Problems

    89
    • i. If the red LED is ON, this indicates that the transmitter is ON.

      89
    • ii. If the red LED is OFF, this indicates that the transmitter is OFF.

      89
      • i. Close all running applications aside from the Norsat NewsLink GUI.

        90
    • ii. Turn the transmitter back ON.

      90
      • i. Turn the transmitter OFF and then ON again.

        90
    • ii. Wait a few seconds for the signal to be received. If the signal is not received, then a power...

      90
      • i. Ensure that the 70 MHz output of the modulator is properly connected to the input of the upcon...

        90
    • ii. Turn the transmitter back ON and wait a few seconds for the signal to be received. If the sig...

      90
  • Video Problems

    90
    • i. Check the video input connections and the video source.

      90
    • i. Check the video input connections and the video source.

      91
  • Two-way Communication Problems

    91
    • i. Ensure the appropriate PIDs have been set up on the receivers.

      91
    • ii. Ensure the appropriate routes have been set up.

      91
    • iii. On the HUB side, ensure that the MAC address entered into the iperoute is correct and matche...

      91
      • i. Ensure the LNB settings are correct.

        91
    • ii. Ensure the tuner settings are correct.

      91
    • iii. Ensure the symbol rate settings are correct.

      91
    • iv. Ensure the level coming into the receiver is between -25 to -60 dBm. At signal strengths abov...

      91
  • Persistent Problems

    91
    • i. Turn the transmitter OFF and ON; if the problem persists, proceed to step ii.

      91
    • ii. Turn the laptop OFF and ON; if the problem persists, proceed to step iii.

      91
    • iii. Turn the complete system OFF and ON.

      91
• Appendix A

  93
  • NewsLink GUI Status Indicators

    93
    • Video Lock

      93
    • Encoder Activity

      93
    • Transmitter and Upconverter Current

      94
    • SSPA Current

      94
    • SSPA Temperature

      95
    • PLL Lock

      95
    • Tx Power

      96
    • Tx Downconverter Current

      96
    • Video Bitrate

      97
    • Audio Bitrate

      97
    • Transmit Loopback Quality

      97
    • Downconverter & LNB Current Consumption

      98
    • Rx Signal Quality

      98
• Appendix B

  101
  • Compass Calibration

    101
    • i. A: indicates the quality of the calibration, with 9 being highest, and 7 being the minimum acc...

      101
    • ii. B: indicates quality of magnetic location, with 9 being the highest and three or lower being ...

      101
    • iii. C: indicates the number of calibrations completed.

      101
    • Index

      103