evertz 7700 Manual

L-band fiber receivers/transmitters
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1.
OVERVIEW......................................................................................................................................... 1
2.
INSTALLATION.................................................................................................................................. 3
2.1. 7705LT/LTA CONNECTIONS ................................................................................................... 4
2.2. 7705LR CONNECTIONS........................................................................................................... 5
2.3. CARE AND HANDLING OF OPTICAL FIBER.......................................................................... 5
2.3.1. Safety ............................................................................................................................. 5
2.3.2. Assembly........................................................................................................................ 5
2.3.3. Labelling......................................................................................................................... 5
2.3.4. Handling And Connecting Fibers ................................................................................... 6
3.
7705LT/LTA SPECIFICATIONS ........................................................................................................ 6
3.1.1. RF INPUT:...................................................................................................................... 6
3.1.2. RF OUTPUT:.................................................................................................................. 6
3.1.3. OPTICAL OUTPUT ........................................................................................................ 7
3.1.4. ELECTRICAL ................................................................................................................. 7
3.1.5. PHYSICAL...................................................................................................................... 7
3.2. 7705LR SPECIFICATIONS ....................................................................................................... 8
3.2.1. RF OUTPUT:.................................................................................................................. 8
3.2.2. OPTICAL INPUT: ........................................................................................................... 8
3.2.3. ELECTRICAL ................................................................................................................. 8
3.2.4. PHYSICAL...................................................................................................................... 8
4.
STATUS INDICATORS AND DISPLAYS .......................................................................................... 9
4.1.1. 7705LT/LTA STATUS INDICATORS ............................................................................. 9
4.1.2. 7705LR STATUS INDICATORS .................................................................................. 10
5.
DIP SWITCH CONTROLS................................................................................................................ 11
5.1. 7705LT/LTA DIP SWITCH CONTROLS ................................................................................. 11
5.1.1. Enabling the Optical Squelch Function ........................................................................ 11
5.1.2. 7705LT/LTA Configuring the LNB Power ..................................................................... 11
5.1.3. 7705LT/LTA Configuring AGC or Manual mode .......................................................... 12
5.2. 7705LR DIP SWITCH CONTROLS ......................................................................................... 12
5.2.1. 7705LR Configuring AGC or Manual mode.................................................................. 12
6.
JUMPERS POSITIONS .................................................................................................................... 13
6.1. 7705LT/LTA JUMPERS .......................................................................................................... 13
6.2. 7705LR JUMPERS .................................................................................................................. 14
BY THE GLOBAL FRAME STATUS....................................................................................... 14
7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters

TABLE OF CONTENTS

Revision 6.0
7700 MultiFrame Manual
7705LR/LT/LTA
-i

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Summary of Contents for evertz 7700

  • Page 1: Table Of Contents

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters TABLE OF CONTENTS OVERVIEW............................1 INSTALLATION..........................3 2.1. 7705LT/LTA CONNECTIONS ....................4 2.2. 7705LR CONNECTIONS......................5 2.3. CARE AND HANDLING OF OPTICAL FIBER................5 2.3.1. Safety ..........................5 2.3.2. Assembly........................5 2.3.3. Labelling......................... 5 2.3.4.
  • Page 2 7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters Figures Figure 1: 7705LT/LTA Block Diagram......................... 2 Figure 2: 7705LR Block Diagram ........................2 Figure 3: 7705LT/LTA Rear Panel ........................3 Figure 4: 7705LR Rear Panels..........................4 Figure 5: Location of 7705LT/LTA Jumpers and LEDs..................13 Figure 6: Location of 7705LR Jumpers and LEDs ....................
  • Page 3 7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters REVISION DESCRIPTION DATE First Release July 03 Second Release Aug 04 Third Release Dec 04 Fourth Release – Updated LTA specs Jan 05 Added updated safety and new assembly & labeling section...
  • Page 4 DIP switch 3 to the Off position. Information contained in this manual is believed to be accurate and reliable. However, Evertz assumes no responsibility for the use thereof nor for the rights of third parties, which may be effected in any way by the use thereof. Any representations in this document concerning performance of Evertz products are for informational use only and are not warranties of future performance, either express or implied.
  • Page 5: Overview

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters OVERVIEW The 7705LT/LTA and 7705LR L-band Transmitter/Receiver modules are used for conveying L-Band satellite signals over fiber optic cable. The 7705LT/LTA accepts one L-Band RF coaxial input and provides a fiber optic output signal. An L-Band BNC RF output is also available for monitoring or further signal distribution.
  • Page 6: Figure 1: 7705Lt/Lta Block Diagram

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters LNB Power ON/OFF LNB Power +13VDC / +17VDC Fiber Output Optical Amplifier Transmitter Auto L-Band Input Manual Buffer Local Indication L-Band Output Figure 1: 7705LT/LTA Block Diagram L-Band Output Optical Splitter Receiver...
  • Page 7: Installation

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters INSTALLATION Each of the modules in the 7705L series comes standard with a companion +3RU rear plate. The rear plate must be specified during the time of order. SC/PC, SC/APC, ST/PC or FC/PC optical connectors are available for these modules and must be specified during the time of order.
  • Page 8: 7705Lt/Lta Connections

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters Figure 4: 7705LR Rear Panels 2.1. 7705LT/LTA CONNECTIONS L-BAND IN Input BNC connector for L-band satellite signals. This connector can also carry LNB power back to the satellite receiver (See section 5.1.1) If LED7 is On or flashing there will be DC voltage for LNB power at the L-BAND IN connector.
  • Page 9: 7705Lr Connections

    Triangular band: black Symbol: black 2.3.2. Assembly Assembly or repair of the laser sub-module is done only at Evertz facility and performed only by Evertz technical personnel. 2.3.3. Labelling Certification and Identification labels are combined into one label. As there is no enough room on the product to place the label it is reproduced here in the manuals.
  • Page 10: Handling And Connecting Fibers

    5 cm to avoid fiber-bending loss that will decrease the maximum attainable distance of the fiber cable. The Evertz fiber optic modules come with cable lockout devices, to prevent the user from damaging the fiber by installing a module into a slot in the frame that does not have a suitable I/O module.
  • Page 11: Optical Output

    9 µm core / 125 µm overall Fiber Size: 3.1.4. ELECTRICAL Voltage: +12VDC Power: 6 Watts (Non DWDM) EMI/RFI: Complies with FCC regulations for class A devices Complies with EU EMC directive. 3.1.5. PHYSICAL 7700 or 7701 frame mounting: Number of slots: 1 7705LR/LT/LTA Revision 6.0...
  • Page 12: 7705Lr Specifications

    -14dBm @ 35dB S/N @ 36MHz BW 3.2.3. ELECTRICAL Voltage: +12VDC Power: 5 Watts EMI/RFI: Complies with FCC regulations for class A devices Complies with EU EMC directive. 3.2.4. PHYSICAL 7700 or 7701 frame mounting: Number of slots: 1 7705LR/LT/LTA Revision 6.0...
  • Page 13: Status Indicators And Displays

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters STATUS INDICATORS AND DISPLAYS 4.1.1. 7705LT/LTA STATUS INDICATORS The 7705LT/LTA module has 9 LED Status indicators on the front card edge to show operational status of the card at a glance. Two large LEDs on the front of the board indicate the general health of the module...
  • Page 14: 7705Lr Status Indicators

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters To enable AGC mode, set DIP switch 4 to the OFF position. To disable AGC and set to manual mode, set DIP switch 4 to the ON position (towards PCB). If the LNB POWER LED (LED6) is On or flashing there will be DC voltage for LNB power at the L-BAND IN connector.
  • Page 15: Dip Switch Controls

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters AGC ON: This Green Led (LED 7) is On when AGC Mode is enabled and Off when Manual mode is enabled. To enable AGC mode, set DIP switch 4 to the OFF position.
  • Page 16: 7705Lt/Lta Configuring Agc Or Manual Mode

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters If the LNB POWER LED (LED6) is On or flashing there will be DC voltage for LNB power at the L-BAND IN connector. This can damage some test equipment. You can turn off the LNB power by setting DIP switch 3 to the Off position.
  • Page 17: Jumpers Positions

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters JUMPERS POSITIONS 6.1. 7705LT/LTA JUMPERS LOCAL FAULT / MODULE OK RF High RF OK RF Low Laser Fail Laser OK LNB Power AGC ON Figure 5: Location of 7705LT/LTA Jumpers and LEDs 7705LR/LT/LTA Revision 6.0...
  • Page 18: 7705Lr Jumpers

    7700 MultiFrame Manual 7705LR/LT/LTA Series L-Band Fiber Receivers/Transmitters 6.2. 7705LR JUMPERS LOCAL FAULT / MODULE OK RF High RF OK RF Low Optical Input High Optical Input OK Optical Input Low AGC ON Figure 6: Location of 7705LR Jumpers and LEDs 6.3.

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