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AOI Quantum18 MB Installation And Operation Manual

1.8ghz amplifier
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Quantum18 MB 1.8GHz Amplifier
INSTALLATION AND OPERATION GUIDE
13139 Jess Pirtle Boulevard, Sugar Land, TX 77478 | T: 281.295.1800
V02032025b

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  • Page 1 Quantum18 MB 1.8GHz Amplifier INSTALLATION AND OPERATION GUIDE 13139 Jess Pirtle Boulevard, Sugar Land, TX 77478 | T: 281.295.1800 V02032025b...

  • Page 2: For Your Safety

    QUANTUM18 MB 1.8 GHz Amplifier 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 ¾ 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. ¾...

  • Page 4: Table Of Contents

    QUANTUM18 MB 1.8 GHz Amplifier 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 ..........................III Important Safety Instructions ..................
  • Page 5 QUANTUM18 MB 1.8 GHz Amplifier Installation and Operation Guide DESCRIPTION ..........................3 Characteristics .............................. 3 Power Supply ..............................4 Input and Output Ports ........................... 4 Configuration ..............................4 RF Test Points ..............................5 ..................................5 AC/DC Power Management ..........................6 ILLUSTRATIONS ..........................
  • Page 6 QUANTUM18 MB 1.8 GHz Amplifier Installation and Operation Guide INSTALLING THE MB AMPLIFIER MODULE ................... 27 To Install the MB Amplifier Module ........................ 27 REMOVING THE MB AMPLIFIER MODULE FROM THE HOUSING ............ 29 To Remove the MB Amplifier Module ......................29 CLOSING THE MB AMPLIFIER HOUSING ..................
  • Page 7 QUANTUM18 MB 1.8 GHz Amplifier Installation and Operation Guide 5. CUSTOMER SUPPORT INFORMATION ................56 IF YOU HAVE QUESTIONS ......................56 RF SPLIT UPGRADE APPLICATION NOTE ................1 APPENDIX A: RF SPLIT UPGRADE APPLICATION NOTE ............1 BEFORE YOU BEGIN ........................2 Introduction ..............................

  • Page 8: Important Safety Instructions

    QUANTUM18 MB 1.8 GHz Amplifier 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 MB 1.8 GHz Amplifier 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: ¾...

  • Page 10: Connection To Network Power Sources

    QUANTUM18 MB 1.8 GHz Amplifier 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. AC POWER SHUNTS AC power shunts may be provided with this equipment.

  • Page 11: Electrostatic Discharge

    QUANTUM18 MB 1.8 GHz Amplifier Installation and Operation Guide or has been dropped. 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.

  • Page 12: Shunt Replacement

    QUANTUM18 MB 1.8 GHz Amplifier Installation and Operation Guide SHUNT REPLACEMENT To replace a shunt, comply with the following: ¾ Disconnect the power before changing shunts. ¾ Identify and clear the condition that caused the original shunt failure. ¾ Always use a shunt of the correct type and rating.

  • Page 13: Emc Compliance Statements

    QUANTUM18 MB 1.8 GHz Amplifier 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 MB 1.8 GHz AMPLIFIER Installation and Operation Guide 1. Introduction In this Chapter… OVERVIEW ..........................2 DESCRIPTION ..........................3 ILLUSTRATIONS .......................... 7 BLOCK DIAGRAM ........................10...

  • Page 15: Overview

    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 MB 1.8 GHz Amplifiers provide superior two-way performance and reliability combined with a user-friendly layout. This chapter introduces the Quantum18 1.8 GHz MB Amplifier and describes its main components, configuration options, and accessories.

  • Page 16: Description

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide DESCRIPTION The Quantum18 MB 1.8 GHz Amplifier is available in the following reverse path splits: ¾ 85 / 105 MHz ¾ 204 / 258 MHz ¾ 396 / 492 MHz ¾...

  • Page 17: Power Supply

    The Quantum18 MB 1.8 GHz MB Amplifier has one input and three output ports. Configuration The Quantum18 MB 1.8 GHz MB Amplifier have one input port and two or three output ports. The number of output ports is determined by the type of Signal Director installed: ¾...

  • Page 18: Rf Test Points

    Figure 1- 1: Signal Director Location RF Test Points There are three (3) RF test points on the Quantum18 MB 1.8 GHz 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 19: Ac/Dc Power Management

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

  • Page 20: Illustrations

    Installation and Operation Guide ILLUSTRATIONS MB Amplifier Accessories The following diagram shows the three diplex locations for the Quantum18 MB 1.8GHz MB Amplifier. Figure 1- 5: Diplex Filter Locations Figure 1- 6: QuantumLink Local Wireless Interface installed in an MB...
  • Page 21 QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide Figure 1- 7: High Pass and Low Pass Filter Trims Figure 1- 8: FWD Universal Trim (ships with 0 dB)

  • Page 22: Ordering Information

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

  • Page 23: Block Diagram

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide BLOCK DIAGRAM The following illustration is a block diagram of the Quantum18 MB 1.8 GHz MB Amplifier module. Mini Bridger Universal AMP_2 1.8G Linear EQ trim QPL1820 QPC7337 Jumper Output AUX_TP Zo=75Ω...

  • Page 24: Installation And Configuration

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide 2. Installation and Configuration In this Chapter… OVERVIEW ..........................12 BEFORE YOU BEGIN ........................13 MODULE AND HOUSING COMPATABILITY .................. 14 OPENING THE MB AMPLIFIER HOUSING ..................15 UPGRADING EXISTING HOUSING SEIZURES ................16 UPGRADING AN EXISTING HOUSING LID ..................

  • Page 25: Overview

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide OVERVIEW This chapter provides instructions for installing and configuring the Quantum18 MB 1.8 GHz MB Amplifier in your cable system. Figure 2- 1: Open Enclosure Figure 2- 2: QuantumLink Local Wireless Interface...

  • Page 26: Before You Begin

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide BEFORE YOU BEGIN The procedures in this chapter assume that you have completed the following: ¾ Prepared the installation site. ¾ Located and prepared the coaxial connectors mounted on the cable.

  • Page 27: Module And Housing Compatability

    Quantum18 MB 1.8 GHz Amplifier housing lid only. Housing Dimensions The diagram shows the dimensions, in inches and millimeters, of the Quantum18 MB 1.8 GHz Amplifier housing. Use these measurements to calculate clearance requirements for your installation. Figure 2- 4: Housing Dimensions...

  • Page 28: Opening The Mb Amplifier Housing

    Installation and Operation Guide OPENING THE MB AMPLIFIER HOUSING Complete the following steps to open the Quantum18 MB 1.8 GHz 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 29: Upgrading Existing Housing Seizures

    If you are replacing an earlier MB Amplifier module with a Quantum18 MB 1.8 GHz 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 30: Upgrading An Existing Housing Lid

    The Quantum18 MB 1.8 GHz Amplifier requires a new enhanced housing lid. When replacing an earlier MB Amplifier with a Quantum18 MB 1.8 GHz Amplifier, replace the existing housing lid with a newer housing lid to accommodate the power supply for the Quantum18 MB.

  • Page 31: Installing The Power Suppy

    QUANTUM18 MB 1.8 GHz AMPLIFIER 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 32 QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide 3. Tighten the four module screws on the power supply module to 18 in-lb to 20 in-lb (2.0 Nm to 2.3 Nm). Torque the screws in the following sequence – bottom left, bottom right, top left, top right.

  • Page 33: To Set The Ac Undervoltage Lockout Selector

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide To Set the AC Undervoltage Lockout Selector Set the AC undervoltage lockout selector for your application as specified by your system engineering guidelines. Undervoltage Lockout Setting Application 30 V Lockout 60 VAC System...

  • Page 34: Attaching The Coaxial Connectors

    ATTACHING THE COAXIAL CONNECTORS To Trim the Center Conductor The Quantum18 MB 1.8 GHz Amplifier requires pin-type connectors for all RF connections. Standard pin connectors, with pins extending 1.43 in. to 1.51 in.(3.64cm to 3.84cm) from the connector shoulder. Before you begin, confirm the following: IMPORTANT: Do not allow the pin to exceed the 1.51-inch maximum length.

  • Page 35: To Connect The Coaxial Cable Pin Connector To The Amplifier Housing

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

  • Page 36: Signal Flow From Left To Right

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide Signal Flow From Left to Right Figure 2- 13: Signal Flow from Left to Right Signal Flow From Right to Left Figure 2- 14: Signal Flow from Right to Left NOTE: Coax In may be switched with the Coax Out if you reverse the MB Amplifier module and feed the signal from right to left.

  • Page 37: To Install The Housing In A Pedestal

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide To Install the Housing in a Pedestal Complete the following steps to install the MB Amplifier in a pedestal: 1. Remove the cover of the pedestal. 2. Remove the mechanical bolts from the strand clamps and set the bolts and strand clamps aside.

  • Page 38: Installing Accessories

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide INSTALLING ACCESSORIES To Install the Plug-In Director Complete the following steps to install the signal director in the amplifier: 1. Begin this procedure with the housing open. Refer to “Opening the MB Amplifier Housing”.

  • Page 39: Splitter

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide Splitter To activate the…. Orient the jumper… so that the word “AUX 1” on the jumper label is next to the Aux 1 Port and Aux 2 Port word “AUX 1”on the amplifier module cover, and so that the word “AUX 2”...

  • Page 40: Installing The Mb Amplifier Module

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide INSTALLING THE MB AMPLIFIER MODULE The MB Amplifier module plugs into the strand-mounted or pedestal-mounted (bottom) of the housing via RF connectors on the bottom side of the module. To Install the MB Amplifier Module Complete the following steps to install the MB Amplifier module: 1.
  • Page 41 QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide 5. Snap the power cable harness into place in the holes provided. 6. Attach the 8-pin keyed connector of the power cable and harness to the MB Amplifier module. Figure 2- 17: 8-Pin Connector Location NOTE: The 8-pin connector can be connected one way only.

  • Page 42: Removing The Mb Amplifier Module From The Housing

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide REMOVING THE MB AMPLIFIER MODULE FROM THE HOUSING To Remove the MB Amplifier Module Complete the following steps to remove the MB Amplifier module: 1. Open the housing. Refer to “To Open the MB Amplifier Housing”.

  • Page 43: Closing The Mb Amplifier Housing

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

  • Page 44: Balancing And Setup

    QUANTUM18 MB 1.8 GHz APLIFIER Installation and Operation Guide 3. Balancing and Setup In this Chapter… INTRODUCTION ........................32 PREPARING FOR AMPLIFIER SET-UP ................... 33 VERIFY/UPDATE AMPLIFIER INFORMATION ................35 VERIFY/UPDATE AMPLIFIER CONFIGURATION ................36 LOCATION DATA ........................37 DOWNSTREAM PROFILE CONFIGURATION ................. 38 DOWNSTREAM AUTO ALIGNMENT .....................

  • Page 45: Introduction

    GHz Amplifier. Troubleshooting and Diagnostics is also covered. During the initial install, the steps outlined will provide steps to identify the Quantum18 MB 1.8 GHz 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 46: Preparing For Amplifier Set-Up

    QUANTUM18 MB 1.8 GHz APLIFIER Installation and Operation Guide 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 MB Amplifier module as shown above, see Figure 3-1.
  • Page 47 QUANTUM18 MB 1.8 GHz APLIFIER 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 48: Verify/Update Amplifier Information

    QUANTUM18 MB 1.8 GHz APLIFIER 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 49: Verify/Update Amplifier Configuration

    QUANTUM18 MB 1.8 GHz APLIFIER 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 50: Location Data

    QUANTUM18 MB 1.8 GHz APLIFIER 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 51: Downstream Profile Configuration

    QUANTUM18 MB 1.8 GHz APLIFIER 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 52: Downstream Auto Alignment

    QUANTUM18 MB 1.8 GHz APLIFIER 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 53: Downstream Manual Alignment

    QUANTUM18 MB 1.8 GHz APLIFIER 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 54: View Downstream Spectrum

    QUANTUM18 MB 1.8 GHz APLIFIER 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 55: Upstream Alignment

    QUANTUM18 MB 1.8 GHz APLIFIER 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 56: Upstream Alignment

    QUANTUM18 MB 1.8 GHz APLIFIER 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 57: Cascade Alsc Activation

    QUANTUM18 MB 1.8 GHz APLIFIER 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 58: Test Points

    QUANTUM18 MB 1.8 GHz APLIFIER 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 59: Diagnostics

    QUANTUM18 MB 1.8 GHz APLIFIER 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 60: Troubleshooting

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide 4. TROUBLESHOOTING In this Chapter… INTRODUCTION ........................48 NO AC POWER .......................... 49 NO DC POWER .......................... 50 NO DC POWER TROUBLE SHOOTING TABLE ................50 NO FORWARD RF SIGNAL ......................51 LOW OR DEGRADED FORWARD RF SIGNAL ................

  • Page 61: Introduction

    The housing design has the flexibility to accept a variety of Diplex Filter modules. ¾ 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 MB 1.8 GHz Amplifier.

  • Page 62: No Ac Power

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide NO AC POWER Figure 4- 1: AC Test Points AC power can be measured at the amplifier seizure screws and AC test point next to the power harness on the amplifier module.

  • Page 63: No Dc Power

    QUANTUM18 MB 1.8 GHz AMPLIFIER 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 64: No Forward Rf Signal

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide NO FORWARD RF SIGNAL The forward RF signal can be measured at the MB 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 MB amplifier is receiving the proper forward RF input signal from the upstream equipment.

  • Page 65: Low Or Degraded Forward Rf Signal

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide LOW OR DEGRADED FORWARD RF SIGNAL The forward RF signal can be measured at the MB 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 MB amplifier is receiving the proper forward RF input signal from the upstream equipment.

  • Page 66: No Reverse Rf Signal

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide NO REVERSE RF SIGNAL The reverse RF signal can be measured at the MB 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 MB amplifier is receiving the proper reverse RF input signals from the downstream MB Amplifier at the MB Amplifier reverse input test point.

  • Page 67: Low Or Degraded Reverse Rf Signal

    QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide LOW OR DEGRADED REVERSE RF SIGNAL The reverse RF signal can be measured at the MB amplifier module reverse input and reverse output test points. Low or Degraded Reverse RF Signal Troubleshooting Table...
  • Page 68 QUANTUM18 MB 1.8 GHz AMPLIFIER Installation and Operation Guide Possible Cause Solution Reverse RF Signal Still Low or Degraded Use a spectrum analyzer to look at the reverse ¾ RF input signal spectral quality at each reverse input test point and compare it to the reverse RF output signal spectral quality.

  • Page 69: 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 70: Rf Split Upgrade Application Note

    QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE RF SPLIT UPGRADE APPLICATION NOTE...

  • Page 71: Appendix A: Rf Split Upgrade Application Note

    QUANTUM18 MB 1.8 GHz AMPLIFIER 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 QUANTUM 18 MB 1.8GHz AMPLIFIER ......... 4 CONNECT TO QUANTUMLINK LOCAL FOR CONFIGURATION AND VERIFICATION ......6...

  • Page 72: Before You Begin

    Allow only qualified and skilled personnel to install, operate, maintain, and service this product. 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 MB 1.8GHz Amplifier Installation and Operation Guide ¾...

  • Page 73: Components Required To Make The Split Change

    QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE Components Required to Make the Split Change (1) Low Pass Filter Trim Assembly ¾ (1) High Pass Filter Trim Assembly ¾ (2) Mirrored Diplex Filters ¾ (1) Non-mirrored Diplex Filters ¾...

  • Page 74: Upgrading The Rf Split In The Quantum 18 Mb 1.8Ghz Amplifier

    QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE UPGRADING THE RF SPLIT IN THE QUANTUM 18 MB 1.8GHz 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 75 QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 2. Open the housing. NOTE: The housing closure bolts will remain attached to the housing. 3. Remove the three (3) Diplex filters, (1) High Pass Filter Trim and (1) Low Pass Filter Trim.

  • Page 76: Connect To Quantumlink Local For Configuration And Verification

    QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 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 MB Amplifier module (shown below).
  • Page 77 QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 2. Preparing for RF Split Upgrade • Locate and Initiate QuantumLink Local Mobile Application on the Technician’s portable device (Tablet/Handheld), see Figure A-4. • Insert the QuantumLink Local Wireless Interface in the Quantum18 1.8 GHz MB Amplifier module as shown above see Figure A-5.
  • Page 78 QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 3. From the Home screen, select the Amplifier Config Tile, see Figure A-7. 4. Diplex Filter – Select the new split from the frequency split drop down menu, see Figure A-8.
  • Page 79 QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 6. Select the DS Auto Config Tile, see Figure A-9. 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-10.
  • Page 80 QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 8. Select the DS Align Tile Figure A-11 9. Verify pilot carriers (frequency) are correctly stored in the amplifier. Once confirmed, return to the Home screen. Figure A- 12: Alignment...
  • Page 81 QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE 10. Select Spectrum Tile, see Figure A-13. 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-14.

  • Page 82: To Close The Mb Amplifier Housing

    QUANTUM18 MB 1.8 GHz AMPLIFIER RF SPLIT UPGRADE APPLICATION NOTE TO CLOSE THE MB 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 83: Glossary

    QUANTUM18 1.8 GHz MB AMPLIFIER 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 84 QUANTUM18 1.8 GHz MB AMPLIFIER 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). Front Equipment View ft-lb Foot-Pound...
  • Page 85 QUANTUM18 1.8 GHz MB AMPLIFIER 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). PCB/PWB Printed Circuit Board/Printed Wiring Board Radio Frequency...
  • Page 86 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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