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AOI Quantum18 Installation And Operation Manual

1.8ghz system amplifier
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Quantum18 - 1.8GHz System Amplifier
INSTALLATION AND OPERATION GUIDE
13139 Jess Pirtle Boulevard, Sugar Land, TX 77478 | T: 281.295.1800
V02102025

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  • Page 1 Quantum18 - 1.8GHz System Amplifier INSTALLATION AND OPERATION GUIDE 13139 Jess Pirtle Boulevard, Sugar Land, TX 77478 | T: 281.295.1800 V02102025...

  • Page 2: For Your Safety

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide For Your Safety EXPLANATION OF WARNING AND CAUTION ICONS. Avoid personal injury and product damage! Do not proceed beyond any symbol until you fully understand the indicated conditions. The following warning and caution icons alert you to important information about the safe operation...

  • Page 3: Notices

    Installation and Operation Guide Notices TRADEMARK ACKNOWLEDGEMENTS  AOI, the AOI logo, Applied Optoelectronics, the AOI logo, and Quantum Bandwidth are trademarks or registered trademarks of Applied Optoelectronics, Inc. and / or its affiliates in the U.S. and certain other countries. ...

  • Page 4: Table Of Contents

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide Table of Contents For Your Safety ..........................II EXPLANATION OF WARNING AND CAUTION ICONS..................II IMPORTANT .............................. II Notices ............................III TRADEMARK ACKNOWLEDGEMENTS ......................III PUBLICATION DISCLAIMER ........................III COPYRIGHT ..............................
  • Page 5 QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide DESCRIPTION .............................3 Characteristics ..................................3 Power Supply ..................................4 Input and Output Ports ............................... 4 Configuration ..................................4 High Gain Dual ..................................5 High Gain Balance Triple ..............................5 RF Test Points ..................................6 AC/DC Power Management ...............................
  • Page 6 QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide 12 dB Coupler ................................... 31 INSTALLING THE SYSTEM AMPLIFIER MODULE ..................32 To Install the System Amplifier Module ........................... 32 REMOVING THE SYSTEM AMP MODULE FROM THE HOUSING ..............34 To Remove the System Amplifier Module ........................
  • Page 7 QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide Low or Degraded Reverse RF Signal Troubleshooting Table ..................... 60 5. CUSTOMER SUPPORT INFORMATION ..................62 IF YOU HAVE QUESTIONS .......................... 62 RF SPLIT UPGRADE APPLICATION NOTE ..................... 1 APPENDIX A: RF SPLIT UPGRADE APPLICATION NOTE ................ 1 BEFORE YOU BEGIN ............................2...

  • Page 8: Important Safety Instructions

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide Important Safety Instructions Carefully read all safety and operating instructions before operating this equipment and retain them for future reference. FOLLOW INSTRUCTIONS AND HEED WARNINGS Follow all operating and use instructions. Pay attention to all warnings and cautions in the operating instructions, as well as those that are affixed to this equipment.

  • Page 9: Equipment Placement

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide EQUIPMENT PLACEMENT WARNING: Avoid personal injury and damage to this equipment. An unstable mounting surface may cause this equipment to fall. To protect against equipment damage or injury to personnel, comply with the following: ...

  • Page 10: Connection To Network Power Sources

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide CONNECTION TO NETWORK POWER SOURCES Refer to this equipment’s specific installation instructions in this manual or in companion manuals in this series for connection to network ferro-resonant AC power sources.

  • Page 11: Electrostatic Discharge

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide WRISTWATCH AND JEWELRY For personal safety and to avoid damage of this equipment during service and repair, do not wear electrically conducting objects such as a wristwatch or jewelry. LIGHTNING Do not work on this equipment, or connect or disconnect cables, during periods of lightning.

  • Page 12: Shunt Replacement

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide SHUNT REPLACEMENT To replace a shunt, comply with the following:  Disconnect the power before changing shunts.  Identify and clear the condition that caused the original shunt failure. ...

  • Page 13: Emc Compliance Statements

    QUANTUM18 1.8 GHz System Amplifier (SA) Installation and Operation Guide EMC COMPLIANCE STATEMENTS Where this equipment is subject to USA FCC and / or Industry Canada rules, the following statements apply: FCC Statement for Class A Equipment This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

  • Page 14: Introduction

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 1. Introduction In this Chapter… OVERVIEW ..............................2 DESCRIPTION .............................3 ILLUSTRATIONS ............................8 BLOCK DIAGRAM ............................. 12...

  • Page 15: Overview

    Installation and Operation Guide OVERVIEW The Quantum18 1.8 GHz Broadband Amplifier Platform includes a variety of RF amplifiers that address the needs of today's broadband networks. All Quantum18 1.8 GHz System Amplifiers provide superior two-way performance and reliability combined with a user-friendly layout.

  • Page 16: Description

    The Quantum18 1.8 GHz System Amplifier is available in the following amplifier type:  High Gain Dual (HGD)  High Gain Balanced Triple (HGBT) The Quantum18 1.8 GHz System Amplifier is available in the following reverse path splits:  85 / 105 MHz  204 / 258 MHz ...

  • Page 17: Power Supply

     Not compatible with previous Quantum12 System Amplifier power supply. Input and Output Ports The Quantum18 1.8 GHz System Amplifier has one input and three output ports. Configuration The Quantum18 1.8 GHz System Amplifier is pre-configured with the following: ...

  • Page 18: High Gain Dual

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide High Gain Dual These amplifiers have one input port and two or three output ports. The number of output ports is determined by the type of Signal Director installed: ...

  • Page 19: Rf Test Points

    Installation and Operation Guide RF Test Points There are three (3) RF test points on the Quantum18 1.8 GHz HGD System Amplifier module. -20 dB test points, located electrically outside of the diplex filter, provide for testing both input and output signals for both reverse and forward signals without disrupting normal operation.

  • Page 20: Ac/Dc Power Management

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide AC/DC Power Management The Quantum 18 1.8 GHz System Amplifier features a new power supply design which accepts the standard range of input voltages. Power distribution from the SA lid is accomplished by the jumper cabling and the shunts used to route power to &...

  • Page 21: Illustrations

    Installation and Operation Guide ILLUSTRATIONS HGD System Amplifier Accessories The following diagram shows the three diplex filter locations for the Quantum18 1.8GHz HGD System Amplifier. Figure 1- 7: HGD Diplex Filter Locations Figure 1- 8: HGD QuantumLink Local Wireless Interface...
  • Page 22 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide Figure 1- 10: HGD FWD Universal Trim (ships with 0dB)
  • Page 23 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide HGBT System Amplifier Accessories The following diagram shows the four diplex filter locations for the Quantum18 1.8GHz HGBT System Amplifier. Figure 1- 11: HGBT Diplex Filter Locations Figure 1- 12: HGBT QuantumLink Local Wireless Interface...

  • Page 24: Ordering Information

    These accessories may be ordered to complete the field set up of the System Amplifier (Diplex Filters) or spare items (power supplies, surge protectors, etc.). Please refer to the Quantum18 1.8 GHz System Amplifier Data Sheet for a full listing of accessories that are available.

  • Page 25: Block Diagram

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide BLOCK DIAGRAM The following illustration is a block diagram of the Quantum18 1.8 GHz System Amplifier module. Figure 1- 15 – HGD Block Diagram Figure 1- 16 – HGBT Block Diagram...

  • Page 26: Installation And Configuration

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 2. Installation and Configuration In this Chapter… OVERVIEW ............................... 14 BEFORE YOU BEGIN ..........................15 AMPLIFIER MODULE COVER ........................17 MODULE AND HOUSING COMPATABILITY ....................17 OPENING THE SYSTEM AMPLIFIER HOUSING ..................... 18 UPGRADING EXISTING HOUSING SEIZURES ....................

  • Page 27: Overview

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide OVERVIEW This chapter provides instructions for installing and configuring the Quantum18 1.8 GHz System Amplifier in your cable system. Figure 2- 1: HGD Open Enclosure Figure 2- 2: HGBT Open Enclosure...

  • Page 28: Before You Begin

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide Figure 2- 3: QuantumLink Local Wireless Interface BEFORE YOU BEGIN The procedures in this chapter assume that you have completed the following:  Prepared the installation site.  Located and prepared the coaxial connectors mounted on the cable.

  • Page 29: Torque Specifications

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide Torque Specifications The following table gives the torque specifications for the module: Fastener Torque Specification illustration Transponder Module Securing Screws 18 in-lb to 20 in-lb (2 Nm to 2.3 Nm)

  • Page 30: Amplifier Module Cover

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide AMPLIFIER MODULE COVER Quantum18 1.8 GHz System Amplifier modules have an aluminum cover attached to the chassis with self- tapping screws. Normal field maintenance will not require the removal of this cover. MODULE AND HOUSING...

  • Page 31: Opening The System Amplifier Housing

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide OPENING THE SYSTEM AMPLIFIER HOUSING Complete the following steps to open the System Amplifier housing. IMPORTANT: Before unscrewing the housing closure bolts, make sure the Spring-Loaded Latch near the hinge is in place and secure. The latch prevents separation of the lid from the base.

  • Page 32: Upgrading Existing Housing Seizures

    If you are replacing an earlier amplifier module (SA II, SA II+, or SA III) with a Quantum18 System Amplifier module, you will need to upgrade the housing base to handle the higher current demands. 15 A seizures are required with 0.063 in. diameter pins and a blue plastic material.

  • Page 33: To Install The New Housing Seizures

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide To Install the New Housing Seizures Complete the following steps to upgrade a system amplifier housing to 15 A current capacity. IMPORTANT: The power shunts must be removed before installing the unit into a powered housing.

  • Page 34: Upgrading An Existing Housing Lid

    The Quantum18 System Amplifier requires a new enhanced housing lid. When replacing an earlier System Amplifier (SA II, SA II+, SA III, or GainMaker) with a Quantum18 System Amplifier, replace the existing housing lid with an updated lid, providing improved thermal design and an integrated power supply for the System Amplifier, and mounting for a Quantum Link Transponder.
  • Page 35 3. Firmly grasp the new Quantum18 housing lid, depress the housing lid spring latch, and place it onto the housing bottom, swiveling it into place on the housing hinge.

  • Page 36: Installing The Power Suppy

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide INSTALLING THE POWER SUPPY IMPORTANT: The AC shunt power directors must be removed before installing the unit. Removal of the AC shunt power directors reduces the power surge to the components and F- connectors.

  • Page 37: To Set The Ac Undervoltage Lockout Selector

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 4. Attach the 8-pin keyed connector of the power cable and harness to the power supply module. NOTE: The 8-pin keyed connector can be connected one way only. Be sure that the connector is installed securely to the power supply module connector.

  • Page 38: Attaching The Coaxial Connectors

    ATTACHING THE COAXIAL CONNECTORS To Trim the Center Conductor The Quantum18 1.8 GHz System Amplifier requires pin-type connectors for all RF connections. Standard pin connectors, with pins extending 1.55 in. to 1.6 in from the connector shoulder The longer length allows for the pin to engage the internal spring-loaded contact before the connector threads engage the housing.

  • Page 39: To Connect The Coaxial Cable Pin Connector To The System Amplifier Housing

    Installation and Operation Guide To Connect the Coaxial Cable Pin Connector to the System Amplifier Housing Complete the following steps to connect the coaxial cable pin connector to the Quantum18 1.8 GHz System Amplifier housing: 1. Begin this procedure with the System Amplifier housing open. Refer to “To Open the System Amplifier Housing”.

  • Page 40: Installing The Housing

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide INSTALLING THE HOUSING The following procedures detail how to install the Quantum18 1.8 GHz System Amplifier housing on a strand (aerial) or in a pedestal. To Install the Housing on a Strand (Aerial) Complete the following steps to install the housing on a strand (aerial).

  • Page 41: Signal Flow From Right To Left

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide Signal Flow From Right to Left Strand Clamps Strand Coax Coax Coax Coax Figure 2- 16: Signal Flow From Right to Left NOTE: Coax In may be switched with the Coax Out if you reverse the system amplifier module and feed the signal from right to left.

  • Page 42: To Install The Housing In A Pedestal

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide To Install the Housing in a Pedestal Complete the following steps to install the system amplifier in a pedestal: 1. Remove the cover of the pedestal. 2. Remove the self-tapping bolts from the strand clamps and set the bolts and strand clamps aside.

  • Page 43: Installing Accessories

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide INSTALLING ACCESSORIES To Install the Plug-in Signal Director (High Gain Dual Only) Complete the following steps to install the signal director in the amplifier: 1. Begin this procedure with the housing open. Refer to “Opening the System Amplifier Housing”.

  • Page 44: Db Coupler

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 8 dB Coupler To activate the…. Orient the jumper… Aux 1 Port with the 8 dB “Tap so that the “8” on the jumper label is next to the word Leg”...

  • Page 45: Installing The System Amplifier Module

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide INSTALLING THE SYSTEM AMPLIFIER MODULE The System Amplifier module plugs into the strand-mounted or pedestal-mounted (bottom) of the housing via RF connectors on the bottom side of the module. System Amplifier housings and System Amplifier modules are designed so that you can orient the module conveniently for maintenance.
  • Page 46 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 4. Secure the System Amplifier module to the housing by tightening the four System Amplifier module retainer screws. Tighten combo head screws to 18 in-lb to 20 in-lb (2.0 Nm to 2.25 Nm). See the following illustration for the location of the retainer screws (circled in in Figure 2.17...

  • Page 47: Removing The System Amp Module From The Housing

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide REMOVING THE SYSTEM AMP MODULE FROM THE HOUSING To Remove the System Amplifier Module Complete the following steps to remove the system amplifier module: 1. Open the housing. Refer to “To Open the System Amplifier Housing”.

  • Page 48: Closing The System Amplifier Housing

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide CLOSING THE SYSTEM AMPLIFIER HOUSING To close the System Amplifier Housing Complete the following steps to close the system amplifier housing: CAUTION: Avoid moisture damage and RF leakage! Follow the procedure exactly as shown below to ensure a proper seal.

  • Page 49: Balancing And Setup

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 3. Balancing and Setup In this Chapter… INTRODUCTION ............................37 PREPARING FOR AMPLIFIER SET-UP ......................38 VERIFY/UPDATE AMPLIFIER INFORMATION ....................40 VERIFY/UPDATE AMPLIFIER CONFIGURATION ................... 41 LOCATION DATA ............................42 DOWNSTREAM PROFILE CONFIGURATION ....................

  • Page 50: Introduction

    HGD. Troubleshooting and Diagnostics is also covered. During the initial install, the steps outlined will provide steps to identify the Quantum18 1.8 GHz System amplifier and its location in the network. Following steps will focus on the downstream and upstream initial setup using an auto-alignment or manual process.

  • Page 51: Preparing For Amplifier Set-Up

    Locate and Initiate QuantumLink Local Mobile Application on the Technician’s portable device (Tablet/Handheld), see Figure 3-2. • Insert the QuantumLink Local Wireless Interface in the Quantum18 1.8 GHz System Amplifier, amplifier module as shown above, see Figure 3-1. • Establish point to point connections via Bluetooth between the technician’s portable device and the QuantumLink Local Wireless Interface by using “Select Device”...
  • Page 52 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide VERIFY LATEST FIRMWARE AND MAC ADDRESS • From the Main Menu located in the top left section of the QuantumLink Local Mobile Application, select the menu, then select “About”. Figure 3-5.

  • Page 53: Verify/Update Amplifier Information

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide VERIFY/UPDATE AMPLIFIER INFORMATION • Select the “Amplifier Info Tile” to obtain the data specific to this Amplifier. Figure 3-7. • See below for Amplifier Info available. Device Alias and Device Description are not initially populated, to update, select and update to a desired Alias and Device Description.

  • Page 54: Verify/Update Amplifier Configuration

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide VERIFY/UPDATE AMPLIFIER CONFIGURATION • Select the Amplifier Config Tile Figure 3-5.: Diplex Filter – Verify correct frequency split is displayed. If not select proper frequency split from frequency split drop down.

  • Page 55: Location Data

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide LOCATION DATA The specific geo-location of the device is either manually or automatically written into the device’s memory. The portable device’s GPS coordinates, Google Maps, and manual Long/Lat entry are available options.

  • Page 56: Downstream Profile Configuration

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide DOWNSTREAM PROFILE CONFIGURATION Select DS Auto Config Tile from the Main Menu. Figure 3-15. The default factory Downstream Configuration Parameters are displayed here. • Auto Config – Update frequency settings and power levels as defined for this Amplifier’s Profile •...

  • Page 57: Downstream Auto Alignment

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide DOWNSTREAM AUTO ALIGNMENT The Downstream (DS) auto-alignment is performed after the pilot carrier frequencies are confirmed and properly stored in the amplifier, during the Downstream Profile Configuration section. Figure 3-17.

  • Page 58: Downstream Manual Alignment

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide DOWNSTREAM MANUAL ALIGNMENT The Downstream (DS) manual alignment must be performed after an Auto-alignment has been completed. The technician reviews how relative changes are made by dynamically changing the Pilot Frequency Power Levels.

  • Page 59: View Downstream Spectrum

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide VIEW DOWNSTREAM SPECTRUM The Spectrum Tile, Figure 3-20, is selected to verify the downstream RF configuration has been successfully completed. This process requires approximately 30 seconds to scan the output downstream RF response.

  • Page 60: Upstream Alignment

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide UPSTREAM ALIGNMENT Upon completion of the Downstream setup and balancing for a cascade of amplifiers, the Upstream alignment must begin with the last amplifier in the cascade. Upstream alignment can be performed in Auto or Manual modes.

  • Page 61: Upstream Alignment

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide UPSTREAM ALIGNMENT…continued • For Manual Alignment-Select Manual: Figure 3-25. A Viavi “ONX-630” meter is required. The Viavi meter, in the DOCSIS Expert mode, will be used as the US alignment measurement tool. Initiate the US alignment procedure to force the US to adhere to the levels required for the desired network operation.

  • Page 62: Cascade Alsc Activation

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide CASCADE ALSC ACTIVATION Upon completion of both Downstream and Upstream Alignment, Enable ALSC for each amplifier: • At main menu select Amplifier Config – Figure 3-26. • At Amplifier Config Select ALSC to the ON position – Figure 3-27.

  • Page 63: Test Points

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide TEST POINTS Configuring Test Points for Measurement in the Downstream and the Upstream. • At main menu select Test Points Tile – Figure 3-28. • Select Test Point Operation – Figure 3-29.

  • Page 64: Diagnostics

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide DIAGNOSTICS The ingress switch can be used to attenuate the US signals by a variable amount. • At main menu select Diagnostics Tile – Figure 3-31. • In the Diagnostics Mode – Figure 32. The Ingress Switch for either the Main output port or AUX 1 and Aux 2 ports can be selected to one of three Positions 1.

  • Page 65: Troubleshooting

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide 4. TROUBLESHOOTING In this Chapter… INTRODUCTION ............................53 NO AC POWER ............................54 NO DC POWER ............................56 NO DC POWER TROUBLE SHOOTING TABLE ....................56 NO FORWARD RF SIGNAL ......................... 57 LOW OR DEGRADED FORWARD RF SIGNAL ....................

  • Page 66: Introduction

    The housing design has the flexibility to accept a variety of Diplex Filter modules.  A future Quantum Link transponder can be added to allow full amplifier telemetry This chapter describes the steps you may take to troubleshoot the Quantum18 1.8 GHz System Amplifier.

  • Page 67: No Ac Power

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide NO AC POWER AC power can be measured at the AC power supply test points and power wiring harness. Figure 4- 1 – AC Test Points AC power can be measured at the system amplifier seizure screws and AC test point next to the power...

  • Page 68: No Ac Power Troubleshooting Table

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide No AC Power Troubleshooting Table Before you begin troubleshooting for no AC power, verify that there is proper AC power input coming into the system amplifier and that the AC voltage lockout threshold is set to your system's power requirements.

  • Page 69: No Dc Power

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide NO DC POWER DC power can be measured at the DC power supply test points and power wiring harness. Figure 4- 2 – DC Test Points NO DC POWER TROUBLE SHOOTING TABLE...

  • Page 70: No Forward Rf Signal

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide NO FORWARD RF SIGNAL The forward RF signal can be measured at the system amplifier module forward input and forward output test points. No Forward RF Signal Troubleshooting Table Before you begin troubleshooting for no forward RF signal, verify that the system amplifier is receiving the proper forward RF input signal from the upstream equipment.

  • Page 71: Low Or Degraded Forward Rf Signal

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide LOW OR DEGRADED FORWARD RF SIGNAL The forward RF signal can be measured at the system amplifier module forward input and forward output test points. Low or Degraded Forward RF Signal Troubleshooting Table Before you begin troubleshooting for a low or degraded forward RF signal, verify that the system amplifier is receiving the proper forward RF input signal from the upstream equipment.

  • Page 72: No Reverse Rf Signal

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide NO REVERSE RF SIGNAL The reverse RF signal can be measured at the system amplifier module reverse input and reverse output test points. No Reverse RF Signal Troubleshooting Table Before you begin troubleshooting for no reverse RF signal, verify that the system amplifier is receiving the proper reverse RF input signals from the downstream system amplifier at the system amplifier reverse input test point.

  • Page 73: Low Or Degraded Reverse Rf Signal

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide LOW OR DEGRADED REVERSE RF SIGNAL The reverse RF signal can be measured at the system amplifier module reverse input and reverse output test points. Low or Degraded Reverse RF Signal Troubleshooting Table...
  • Page 74 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Installation and Operation Guide Possible Cause Solution  Reverse RF Signal Still Low or Degraded Use a spectrum analyzer to look at the reverse RF input signal spectral quality at each reverse input test point and compare it to the reverse RF output signal spectral quality.

  • Page 75: Customer Support Information

    5. CUSTOMER SUPPORT INFORMATION IF YOU HAVE QUESTIONS If you have technical questions, call AOI for assistance. Follow the menu options to speak with a service engineer. Access your company's extranet site to view or order additional technical publications. For accessing instructions, contact the representative who handles your account.

  • Page 76: Rf Split Upgrade Application Note

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE RF SPLIT UPGRADE APPLICATION NOTE...

  • Page 77: Appendix A: Rf Split Upgrade Application Note

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE APPENDIX A: RF SPLIT UPGRADE APPLICATION NOTE In this Application Note… BEFORE YOU BEGIN ............................2 UPGRADING THE RF SPLIT IN THE 1.8GHz SYSTEM AMPLIFIER ..............4 CONNECT TO QUANTUMLINK LOCAL FOR CONFIGURATION AND VERIFICATION ..........6...

  • Page 78: Before You Begin

    Otherwise, personal injury, or equipment damage may occur. Related Publications You may find the following publications useful as you implement the procedures in this document.  Quantum18 - 1.8GHz System Amplifier Installation and Operation Guide...

  • Page 79: Components Required To Make The Split Change

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE Components Required to Make the Split Change  (1) Low Pass Filter Trim Assembly  (1) High Pass Filter Trim Assembly  (2) Mirrored Diplex Filters  (1-HGD) (2-HGBT) Non-mirrored Diplex Filters ...

  • Page 80: Upgrading The Rf Split In The 1.8Ghz System Amplifier

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE  UPGRADING THE RF SPLIT IN THE 1.8GHz SYSTEM AMPLIFIER There are two methods associated with upgrading the RF split of an amplifier in the field. The first method is upgrading the RF Split on the Amplifier Module by swapping the accessories to the new frequency split without powering down the amplifier.
  • Page 81 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE 2. Open the housing. NOTE: The housing closure bolts will remain attached to the housing. 3. Remove the Diplex filters, High Pass Filter Trim and Low Pass Filter Trim...

  • Page 82: Connect To Quantumlink Local For Configuration And Verification

    CONNECT TO QUANTUMLINK LOCAL FOR CONFIGURATION AND VERIFICATION 1. An Android or iOS device with the QuantumLink Local Mobile Application is used to establish a Bluetooth connection with the QuantumLink Local Wireless Interface plugged into the Quantum18 1.8 GHz System Amplifier module (shown below).
  • Page 83 Locate and Initiate QuantumLink Local Mobile Application on the Technician’s portable device (Tablet/Handheld), see Figure A-5. • Insert the QuantumLink Local Wireless Interface in the Quantum18 1.8 GHz System Amplifier module as shown above see Figure A-4. • Establish point to point connections via Bluetooth between the technician’s portable device and the QuantumLink Local Wireless Interface by using “Select Device”...
  • Page 84 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE 3. From the Home screen, select the Amplifier Config Tile, see Figure A-8. 4. Diplex Filter – Select the new split from the frequency split drop down menu, see Figure A-9.
  • Page 85 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE 6. Select the DS Auto Config Tile, see Figure A-10. 7. Confirm the Downstream Config Parameters for: Auto Config, ALSC and Auto Align Marker Pilots correctly matches the site profile data loaded. Once confirmed select “Apply” and return to the Home screen, see Figure A-11.
  • Page 86 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE 8. Select the DS Align Tile Figure A-12 9. Verify pilot carriers (frequency) are correctly stored in the amplifier. Once confirmed, return to the Home screen. Figure A- 12: DS Align Tile...
  • Page 87 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE 10. Select Spectrum Tile, see Figure A-14. 11. Execute a Spectrum Capture “spectrum capture. Verify that the spectrum displayed begins at the appropriate frequency and that the measured signal level closely correlates with the target level, see Figure A-15.

  • Page 88: To Close The System Amplifier Housing

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) RF SPLIT UPGRADE APPLICATION NOTE TO CLOSE THE SYSTEM AMPLIFIER HOUSING 1. Close the housing and finger-tighten all housing closure bolts. 2. Use a torque wrench with a ½-inch socket to tighten each closure bolt from 5 ft-lb to 12 ft-lb (6.8 Nm to 16.3 Nm) each.

  • Page 89: Transponder Installation Application Note

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Transponder Installation Application Note TRANSPONDER INSTALLATION APPLICATION NOTE...

  • Page 90: Appendix B: Transponder Installation Application Note

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Transponder Installation Application Note APPENDIX B: TRANSPONDER INSTALLATION APPLICATION NOTE In this Application Note… BEFORE YOU BEGIN ............................2 INSTALLING THE TRANSPONDER .........................3 TO CLOSE THE SYSTEM AMPLIFIER HOUSING ....................4...

  • Page 91: Before You Begin

    Related Publications You may find the following publications useful as you implement the procedures in this document.  Quantum18 - 1.8GHz System Amplifier Installation and Operation Guide Equipment Required  Transponder with authorized Security Key ...

  • Page 92: Installing The Transponder

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Transponder Installation Application Note INSTALLING THE TRANSPONDER The transponder module mounts in the lid of the QB18 housing. The transponder mounting location is shown below. Figure B- 1: Transponder Screw Location 1. Open the QB18 housing and place the transponder in the lid with the QR-code label facing you.

  • Page 93: To Close The System Amplifier Housing

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Transponder Installation Application Note TO CLOSE THE SYSTEM AMPLIFIER HOUSING Close the housing and finger-tighten all housing closure bolts. Use a torque wrench with a ½-inch socket to tighten each housing closure bolt from 10 to 12 ft-lb (13.6 to 16.3 Nm) each.

  • Page 94: Glossary

    QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Glossary GLOSSARY Ampere A unit of measure for electrical current. ac / AC Alternating Current An electric current that reverses its direction at regularly recurring intervals. ALSC Automatic Slope & Level Control A process or means by which gain is automatically adjusted in a specified manner as a function of input level or other specified parameters.
  • Page 95 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Glossary Federal Communications Commission Federal organization set up by the Communications Act of 1934 which has authority to regulate all inter-state (but not intra-state) communications originating in the United States (radio, television, wire, satellite, and cable).
  • Page 96 QUANTUM18 1.8 GHz SYSTEM AMPLIFIER (SA) Glossary Newton Meter A measure of torque defined by the application of one Newton of force on a lever at a point on the lever that is one meter from the pivot point (1 Nm = 0.737561 ft-lb).
  • Page 97 Pirtle Boulevard Sugar Land, TX 77478 AOI and the AOI logo are trademarks or registered trademarks of AOI and / or its affiliates in the U.S. and other countries. To view a list of AOI trademarks, go to this URL: http://www.ao-inc.com...

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