Tecnico Catv

Line Extender Models JLX-7-750P/LC, JLX-6-750P/LC, JLX-7-750P/LC/40, JLX-6-750P/LC/40
Installation Manual

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Copyright ã 1995 by General Instrument Corporation. All rights reserved. No part of this publication may be reproduced in any form or by any means or used to make any derivative work (suchas translation, transformation or adaptation) without written permission from General Instrument. General Instrument reserves the right to revise this publication and to make changes in content from time to time without obligation on the part of General Instrument to provide notification of such revision or change. General Instrument provides this guide without warranty of any kind, eitherimplied or expressed, including, but not limited, to the implied warranties of merchantability and fitness for a particular purpose. General Instrument may make improvements or changes in the product(s) described in this manual at any time.

Contents

Introduction ....................................................................................................................... 1
Introduction......................................................................................................................... 1 Using This Manual............................................................................................................... 1 Description .......................................................................................................................... 1 JLX-HSGHousing ......................................................................................................... 4 Amplifier Module ........................................................................................................... 4 Options ......................................................................................................................... 4

BenchTesting.................................................................................................................... 7
Bench Testing ..................................................................................................................... 7 Test Equipment Required.............................................................................................. 7 Power Supply Test........................................................................................................ 8 Forward Gain and Flatness Testing ............................................................................... 9 Installing Options................................................................................................................. 9 Two-way Option............................................................................................................ 9 Automatic Gain Control ............................................................................................... 10 Accessories................................................................................................................. 10

Installation and Adjustments.......................................................................................... 13
Strand/Pedestal Mounting.................................................................................................. 13 Adjustments ...................................................................................................................... 14 Manual Thermal Gain Control..................................................................................... 14 Automatic Gain Control ............................................................................................... 14 Closing the Housing .................................................................................................... 15

Specifications .....................................................................................................................