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Cisco A93280 Installation And Operation Manual
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Cisco A93280 Installation And Operation Manual

Cisco A93280 Installation And Operation Manual

Compact single output egc amplifier
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Compact Single Output EGC Amplifier
A93280
Installation and Operation Guide

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Summary of Contents for Cisco A93280

  • Page 1 Compact Single Output EGC Amplifier A93280 Installation and Operation Guide...

  • Page 2: For Your Safety

    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 of this product: You may find this symbol in the document that accompanies this product.
  • Page 3 Trademark Acknowledgments  Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks.  Third party trademarks mentioned are the property of their respective owners.

  • Page 4: Table Of Contents

    Contents Important Safety Instructions ........................vi Chapter 1 General Information Overview ........................1-1 Overview Diagram ....................... 1-2 Power Supply ........................ 1-3 Plug-in Modules ......................1-5 Power Saving Modes ....................1-6 Chapter 2 Installation Overview ........................2-1 Tools and Accessories ....................2-2 Site Requirements ......................

  • Page 5: Important Safety Instructions

    Important Safety Instructions Read and Retain 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 6 Important Safety Instructions, Continued Installation Site When selecting the installation site, comply with the following:  Protective Ground - The protective ground lead of the building’s electrical installation should comply with national and local requirements.  Environmental Condition – The installation site should be dry, clean, and ventilated. Do not use this equipment where it could be at risk of contact with water.
  • Page 7 Important Safety Instructions, Continued Rack Mounting Safety Precautions Mechanical Loading Make sure that the rack is placed on a stable surface. If the rack has stabilizing devices, install these stabilizing devices before mounting any equipment in the rack. WARNING: Avoid personal injury and damage to this equipment. Mounting this equipment in the rack should be such that a hazardous condition is not caused due to uneven mechanical loading.
  • Page 8 Important Safety Instructions, Continued  If the cart does not move easily, this condition may indicate obstructions or cables that may need to be disconnected before moving this equipment to another location.  Avoid quick stops and starts when moving the cart. ...
  • Page 9 Important Safety Instructions, Continued Equipotential Bonding If this equipment is equipped with an external chassis terminal marked with the IEC 60417- 5020 chassis icon ( ), the installer should refer to CENELEC standard EN 50083-1 or IEC standard IEC 60728-11 for correct equipotential bonding connection instructions. AC Power Important: If this equipment is a Class I equipment, it must be grounded.
  • Page 10 Important Safety Instructions, Continued  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 11 Important Safety Instructions, Continued Disposal  The batteries may contain substances that could be harmful to the environment  Recycle or dispose of batteries in accordance with the battery manufacturer’s instructions and local/national disposal and recycling regulations.  The batteries may contain perchlorate, a known hazardous substance, so special handling and disposal of this product might be necessary.
  • Page 12 Important Safety Instructions, Continued Industry Canada – Industrie Canadienne Statement This apparatus complies with Canadian ICES-003. Cet appareil est confome à la norme NMB-003 du Canada. CENELEC/CISPR Statement with Respect to Class A Information Technology Equipment This is a Class A equipment. In a domestic environment this equipment may cause radio interference in which case the user may be required to take adequate measures.

  • Page 13: About This Guide

    Preface About This Guide Introduction This guide describes how to operate, install, and configure the Compact Single Output EGC Amplifier A93280. Qualified Personnel Only appropriately qualified and skilled personnel should attempt to install, operate, maintain, and service this equipment. WARNING: Allow only qualified and skilled personnel to install, operate, maintain and service this equipment.

  • Page 14: Chapter 1 General Information

    Chapter 1 General Information Overview Introduction This chapter describes general information about the amplifier. In This Chapter This chapter contains the following topics. Topic See Page Overview Diagram Power Supply Plug-in Modules Power Saving Modes 4038501 Rev C Introduction...

  • Page 15: Overview Diagram

    Overview Diagram Overview Diagram The following illustration is the block diagram of the amplifier. Introduction 4038501 Rev C...

  • Page 16: Power Supply

    Power Supply Power Supply For Products Rated 100-240 VAC When the amplifier is delivered with a 100-240 VAC power supply for mains supply, the correct voltage is labeled on the side of the amplifier. The amplifier has factory mounted mains cable and plugs, which according to approval provisions may not be altered.
  • Page 17 Power Supply, Continued For Products Rated 24-65 VAC The amplifier is delivered with a 24-65 VAC power supply for remote supply. The correct voltage is labeled on the side of the amplifier. The amplifier can be supplied with 24-65 VAC via coaxial cables (max. 7A), or directly to the AC input (max.

  • Page 18: Plug-In Modules

    Plug-in Modules Modules The amplifier is equipped with different plug-in locations for the input splitter, diplex filter, equalizer, attenuator, and transponder. Input Splitter/Output Splitter Insert an input splitter, type A77041 through A77043. If an asymmetric splitter (bridger) is used, the largest attenuation at the output (OUT) is obtained. If only a signal at input (IN) is requested, jumper type A74089.10 should be used.

  • Page 19: Power Saving Modes

    Power Saving Modes Power Saving The amplifier provides two modes for reducing power consumption: Power Saving On: When the amplifier is set to the power saving mode, the  power consumption will be reduced by approximately 2 W. Low Gain Mode: In addition, when the forward gain of the amplifier is lower ...

  • Page 20: Chapter 2 Installation

    Chapter 2 Installation Overview Introduction This chapter describes the requirements and procedures for mounting the amplifier. Qualified Personnel Only appropriately qualified and skilled personnel should attempt to install, operate, maintain, and service this equipment. WARNING: Allow only qualified and skilled personnel to install, operate, maintain and service this equipment.

  • Page 21: Tools And Accessories

    Tools and Accessories Required Tools and Hardware Before you start the installation, make sure you have the following tools and equipment to connect and configure the amplifier. You need a… To… Tighten the screws on the lid 5 mm Allen wrench Clamp the inner conductor and PE conductor 3 mm flat-tip screwdriver M5 screws...

  • Page 22: Site Requirements

    Site Requirements Introduction Before you install the amplifier, make sure the installation site meets the requirements discussed in this section. Qualified Personnel Only appropriately qualified and skilled personnel should attempt to install, operate, maintain, and service this equipment. WARNING: Allow only qualified and skilled personnel to install, operate, maintain, and service this equipment.

  • Page 23: Mounting The Amplifier

    Mounting the Amplifier To Mount the Amplifier The amplifier should be mounted vertically with the cable input underneath, to secure the best possible operating temperature conditions. Use a 5 mm Allen wrench to tighten the screws on the lid from 6.5 to 7 Nm (58 in-lb to 62 in-lb). The following illustration shows the arrows that indicate the mounting bolt positions.

  • Page 24: Chapter 3 Operation

    Chapter 3 Operation Overview Introduction This section describes the procedures for setting up and operating the amplifier. The amplifier can be set up using a computer with an LCI software kit, or a handheld terminal. WARNING: This product should be operated by qualified personnel only. Non-authorized personnel are not allowed in the site area, otherwise physical injury or equipment damage may occur.

  • Page 25: Starting Up The Amplifier

    Starting Up the Amplifier When the amplifier is powered up, the green LED on the power supply board illuminates to indicate that the power is on, as illustrated below. In case the LED is flashing, a short circuit may have occurred in the power supply. Operation 4038501 Rev C...

  • Page 26: Setting Up The Amplifier With A Computer

    Setting Up the Amplifier with a Computer The amplifier can be set up using a computer with an LCI software kit, or a handheld terminal. Before setting up with a computer, ensure that the LCI software kit has been installed on your computer. For detailed information about the software installation and requirements, see LCI Software Installation Instructions, part number 4033113.
  • Page 27 Setting Up the Amplifier with a Computer, Continued Result: A configuration window displays all settings of the amplifier, as illustrated below. Note: “AGC_Status” and “AGC_Configuration” categories are only available when the AGC module is mounted. Otherwise, this column is blank. 5.
  • Page 28 Setting Up the Amplifier with a Computer, Continued 6. Either type a value in the text box, select the desired option button, or select the desired value in the dialog box, as illustrated below. 7. Click Execute to validate the change. Result: The change is effective right away.
  • Page 29 Setting Up the Amplifier with a Computer, Continued All parameters of the amplifier are listed in the window on page 3-4. The following table lists the parameters that are configurable via the LCI software. Category Adjustable Item Notes Forward Path Forward Gain 32 or 40 dB Forward Output ATT...
  • Page 30 Setting Up the Amplifier with a Computer, Continued The following table lists the parameters that are configurable when the AGC module is mounted. Category Adjustable Item Notes AGC Configuration AGC Mode Setting Standby, AA, FixGain, or High Pilot Frequency 47 to 1002 MHz High Pilot Level 85 to 120 dBV Backup High Pilot Frequency...

  • Page 31: Setting Up The Amplifier With A Handheld Terminal

    Setting Up the Amplifier with a Handheld Terminal Keypads The amplifier can be set up using a handheld terminal, type A91200.10. The following table lists the terminal keypads and their definitions. Navigate to the submenus to open a menu for editing. The value can then be changed.
  • Page 32 Setting Up the Amplifier with a Handheld Terminal, Continued Menu Structures and Operations The number before each menu name is the menu item number. Menus and Descriptions 1 General Submenu1 Submenu2 Actions 11 Fwd Config 111 Fwd Gain Read-write Select 40 dB or 32 dB 112 Fwd Bandwidth Read-write Select 862 MHz or 1 GHz...
  • Page 33 Setting Up the Amplifier with a Handheld Terminal, Continued Menu Structures and Operations, continued 3 Reverse Submenu1 Submenu2 Actions – Read-write 31 Rev Input Att Set Rev input attenuation 0–20 dB, unit in 0.1 dB, 0.5 dB step – Read-write 32 Rev Switch Set 0 dB, –6 dB or off –...
  • Page 34 Setting Up the Amplifier with a Handheld Terminal, Continued , continued Menu Structures and Operations 5 Identification Submenu1 Submenu2 Actions 51 Model No – Read-only Displays product model number 52 Serial No – Read-only Displays product serial number 53 Time in Service –...
  • Page 35 Setting Up the Amplifier with a Handheld Terminal, Continued Menu Structures and Operations, continued 7 AGC Submenu1 Submenu2 Actions Module 71 Pilot Settings 711 Pilot Hi Freq Read-write Pilot High Frequency, 47-1002 MHz, Unit in 0.0001 712 Pilot Hi Level Read-write Pilot High Level, 85-120 dBV, Unit in 0.1 dBV 713 Pilot Lo Freq...

  • Page 36: Rosa Element Management System

    ROSA Element Management System ROSA Element Management System To monitor the amplifier, a transponder must be installed in the amplifier. This transponder will communicate back to the headend through the reverse path. The transponder signal is received at the test point at output. See Overview Diagram on page 1-2.

  • Page 37: Setting Up Transponders

    Setting Up Transponders HMS Transponder Use an HMS transponder to set up the parameters that are highlighted in the following illustration. Continued on next page 3-14 Operation 4038501 Rev C...
  • Page 38 Setting Up Transponders, Continued SMC Transponder Use a SMC transponder to set up the parameters that are highlighted in the following illustration. CAUTION: The SMC transponder can only be recognized by the amplifier when it is set to IEP mode. To change the mode, connect a handheld, part number A91200.11 to the LCI interface of the transponder.

  • Page 39: Starting Up The Amplifier With The Agc Module

    Starting Up the Amplifier with the AGC Module The following sections describe how to operate amplifiers with the AGC module mounted. The LEDs on the AGC module indicate the status of the module when it is mounted. When the amplifier is powered up, and during initialization of the AGC module and amplifier, the three LED indicators with different colors flash in sequence for approximately 50 seconds.

  • Page 40: Setting Up The Agc Module

    Setting Up the AGC Module When the AGC module is plugged into the amplifier, it reads the settings, including pilot settings and function settings from the amplifier, and starts to run the configured function. CAUTION: When a SMC transponder will be installed, make sure its mode is set to IEP, before configuring the AGC module.

  • Page 41: Functions Of The Agc Module

    Functions of the AGC Module Standby If no function is required, the AGC module is automatically set to Standby mode to reduce power consumption. The standby mode is running in a cycle of 2 minutes between monitoring and sleeping. In monitoring status, the AGC module detects the levels of 4 pilots and the selected frequencies and sends the information back to the handheld or the ROSA Element Management system.
  • Page 42 Functions of the AGC Module, Continued The AGC function continuously adjusts output attenuators and equalizers up to ± 4 dB, to keep the output level and tilt of the amplifier constant. This function runs in a cycle of 6 minutes to save power. During each AGC tuning session, the AGC module monitors 4 pilot levels and 10 selected frequencies, and when the amplifier detects that the adjusting values of attenuator and equalizer are out of the ±...

  • Page 43: Temperature Back-Off

    Temperature Back-off Introduction The temperature back-off feature is used to off-set the attenuator and equalizer when the amplifier is auto aligned at a non-room temperature, to allow the AGC module to work at room temperature. This feature is used for the auto alignment function only, and is turned off when the auto alignment is completed.

  • Page 44: Chapter 4 Customer Support Information

    Technical Service center. this product you have customer service call the nearest Customer Service center.

  • Page 45: Customer Support Information Overview

    Asia-Pacific countries  & Australia E-mail: support.apr@sciatl.com  Telephone: 11-55-08-9999 Brazil Brazil  Fax: 11-55-08-9998  E-mail: fattinl@cisco.com or ecavalhe@cisco.com  Mexico, Mexico For Technical Support, call: Central America, Telephone: 52-3515152599  Caribbean Fax: 52-3515152599  For Customer Service, call: Telephone: 52-55-50-81-8425 ...
  • Page 46 Lawrenceville, GA 30042 www.cisco.com This document includes various trademarks of Cisco Systems, Inc. Please see the Notices section of this document for a list of the Cisco Systems, Inc. trademarks used in this document. Product and service availability are subject to change without notice.

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