Agilent Technologies 3A Manual de usuario

Agilent 83491/2/3AClock Recovery ModulesUser’s Guide

1-4InstallationInstallationFigure 1-2. Position of modules in the mainframe3Clean all optical interfaces as described in “Cleaning Connections for Acc

1-5InstallationInstallationFigure 1-3. The adapter cableCAUTIONAgilent 83491A Modules: Maximum safe signal input level is ±5V. The input circuits can

1-6InstallationInstallationFigure 1-4. Front-panel lights9Confirm that the Unlocked light is off. 10Observe the Clock and Data outputs on an oscillosc

1-7InstallationInstallationTo connect cables to an Agilent 83492AOn Agilent 83492A modules, the front-panel fiber-optic connectors reverse input and o

2Agilent 83491/2/3A Modules—At a Glance 2-2Front-Panel Features 2-4Block Diagrams 2-7To Display a Signal 2-8To Compensate for Module Insertion Loss 2-

2-2OperationAgilent 83491/2/3A Modules—At a GlanceAgilent 83491/2/3A Modules—At a GlanceThe Agilent 83491/2/3A are designed to operate in an Agilent 8

2-3OperationAgilent 83491/2/3A Modules—At a GlanceWARNINGLight energy can radiate from the front panel OUTPUT connectors on Agilent 83492A and 83493A

2-4OperationFront-Panel FeaturesFront-Panel Features Figure 2-2. Agilent 83491/2/3A front panelsSELECT key Pressing this key changes the modulation ra

2-5OperationFront-Panel FeaturesUNLOCKED indicatorThis light shows when clock recovery cannot be established on the signal. If a clock rate is selecte

ii© Copyright 2000Agilent Technologies All Rights Reserved. Repro-duction, adaptation, or trans-lation without prior written permission is prohibited,

2-6OperationFront-Panel FeaturesRecovered ClockThe recovered clock signal is routed directly to the Agilent 83480A mainframe through the module’s rear

2-7OperationBlock DiagramsBlock DiagramsFigure 2-3. Agilent 83491A Block DiagramFigure 2-4. Agilent 83492A and 83493A Block Diagram

2-8OperationTo Display a SignalTo Display a Signal1Install the module as described in “To install the module” on page 1-3. Be sure to connect all of t

2-9OperationTo Compensate for Module Insertion LossTo Compensate for Module Insertion LossThe following steps allow you to enter an offset to compensa

2-10OperationUsing Probes with an Agilent 83491AUsing Probes with an Agilent 83491AYou can use external passive and active probes with the Agilent 834

2-11OperationUsing Probes with an Agilent 83491ATo compensate for a passive probe1Connect the probe to the Input connector on the Agilent 83491A clock

2-12OperationUsing Probes with an Agilent 83491ATo compensate for other devices The information in this section applies to both optical and electrical

3Agilent 83491A Specifications 3-3Agilent 83492A Specifications 3-4Agilent 83493A Specifications 3-6Agilent 83491/2/3A Operating Specifications 3-7Dec

3-2Specifications and Regulatory InformationSpecifications and Regulatory InformationSpecifications and Regulatory InformationThis chapter lists speci

3-3Specifications and Regulatory InformationAgilent 83491A SpecificationsAgilent 83491A SpecificationsTable 3-1. Agilent 83491A SpecificationsClock re

iiiGeneral Safety ConsiderationsGeneral Safety ConsiderationsThis product has been designed and tested in accordance with IEC Publica-tion 61010-1, Sa

3-4Specifications and Regulatory InformationAgilent 83492A SpecificationsAgilent 83492A SpecificationsTable 3-2. Agilent 83492A Specifications (1 of 2

3-5Specifications and Regulatory InformationAgilent 83492A SpecificationsDATA and CLOCK electrical return loss50 MHz through 2000 MHz (characteristic)

3-6Specifications and Regulatory InformationAgilent 83493A SpecificationsAgilent 83493A SpecificationsTable 3-3. Agilent 83493A SpecificationsWaveleng

3-7Specifications and Regulatory InformationAgilent 83491/2/3A Operating SpecificationsAgilent 83491/2/3A Operating SpecificationsTable 3-4. Agilent 8

3-8Specifications and Regulatory InformationDeclaration of ConformityDeclaration of Conformity

4Front-Panel Optical Adapters 4-2In Case of Difficulty 4-3Error Messages 4-5Electrostatic Discharge Information 4-8Cleaning Connections for Accurate M

4-2ReferenceFront-Panel Optical AdaptersFront-Panel Optical AdaptersFront PanelFiber-Optic AdapterDescription Agilent Part NumberDiamond HMS-10 81000A

4-3ReferenceIn Case of DifficultyIn Case of DifficultyThis section provides a list of suggestions for you to follow if the plug-in mod-ule fails to op

4-4ReferenceIn Case of Difficultypeared. Are all the settings correct? Can the problem be reproduced? ❒Are the connectors clean? See “Cleaning Connect

4-5ReferenceError MessagesError MessagesThe following error messages are for the plug-in module. Typically, the error messages indicate there is a pro

ivGeneral Safety ConsiderationsTechnologies part number 2110-0449.• For 220/240V operation, use an IEC 127 5×20 mm, 0.16 A, 250 V, Agilent Technologie

4-6ReferenceBusy timeout occurred with plug-in_:Try reinstalling plug-inBusy timeout occurred with plug-in_:Try reinstalling plug-in The mainframe is

4-7ReferencePlug-in is not supported:System firmware upgrade is neededder the Agilent 83480K communications firmware kit and install according to the

4-8ReferenceElectrostatic Discharge InformationElectrostatic Discharge Information Electrostatic discharge (ESD) can damage or destroy electronic comp

4-9ReferenceElectrostatic Discharge InformationBoth types, when used together, provide a significant level of ESD protection. Of the two, only the tab

4-10ReferenceCleaning Connections for Accurate MeasurementsCleaning Connections for Accurate Measurements Today, advances in measurement capabilities

4-11ReferenceCleaning Connections for Accurate Measurementstions take repeatability uncertainty into account? • Will a connector degrade the return lo

4-12ReferenceCleaning Connections for Accurate MeasurementsFigure 4-3. Universal adapters to Diamond HMS-10.The HMS-10 encases the fiber within a soft

4-13ReferenceCleaning Connections for Accurate MeasurementsThe soft core, while allowing precise centering, is also the chief liability of the connect

4-14ReferenceCleaning Connections for Accurate MeasurementsUse the following guidelines to achieve the best possible performance when making measureme

4-15ReferenceCleaning Connections for Accurate MeasurementsFigure 4-7. Damage from improper cleaning.While these often work well on first insertion, t

ContentsContents-1General Safety Considerations iii1 InstallationInstallation 1-22OperationAgilent 83491/2/3A Modules—At a Glance 2-2Front-Panel Featu

4-16ReferenceCleaning Connections for Accurate Measurements• Keep connectors covered when not in use. • Use fusion splices on the more permanent criti

4-17ReferenceCleaning Connections for Accurate MeasurementsVisual inspection of fiber endsVisual inspection of fiber ends can be helpful. Contaminatio

4-18ReferenceCleaning Connections for Accurate MeasurementsTo clean a non-lensed connector CAUTIONDo not use any type of foam swab to clean optical fi

4-19ReferenceCleaning Connections for Accurate MeasurementsCAUTIONDo not shake, tip, or invert compressed air canisters, because this releases particl

4-20ReferenceReturning the Instrument for ServiceReturning the Instrument for Service The instructions in this section show you how to properly return

4-21ReferenceReturning the Instrument for Serviceinformation should be returned with the instrument. • Type of service required. • Date instrument was

4-22ReferenceReturning the Instrument for ServiceSealed Air Corporation (Commerce, California 90001). Air Cap looks like a plastic sheet filled with a

4-23ReferenceAgilent Technologies Service OfficesAgilent Technologies Service OfficesBefore returning an instrument for service, call the Agilent Tech

IndexIndex-1Aadapter cable, 1-3, 1-4Agilent 54701A active probe, 2-11Agilent 83492Aconnections, 1-7maximum input level, 1-5Agilent offices, 4-23BBellc

Index-2IndexIIEC Publication 61010-1, iiiinputconnector, 4-10Input connector, 1-2, 1-7input connector, 2-2input signal, maximum safe, 1-5insertion los

1To install the module 1-3To connect cables to an Agilent 83492A 1-7Installation

1-2InstallationInstallationInstallationAgilent 83491/2/3A modules require that firmware revision A.06.25 or later be installed in the Agilent 83480A.

1-3InstallationInstallationTo install the module1Verify that all system components ordered have arrived by comparing the shipping forms to the origina