EXFO BRT-320 User manual

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Electro-Optical Engineering
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BRT-320A iii
CONTENTS
Certification Information......................................................................iv
INTRODUCTION ..........................................................................................1
Unpacking and Inspection....................................................................1
Transportation and Storage.................................................................1
Safety Information................................................................................1
1310/1550 nm Laser Specifications.....................................................1
Getting Help.........................................................................................2
GENERAL DESCRIPTION.............................................................................2
Display.................................................................................................2
Keypad.................................................................................................3
Secondary Keypad Functions..............................................................3
Connector Panel..................................................................................3
OPERATION...............................................................................................4
Calibration............................................................................................4
Preliminary Test...................................................................................4
Fiber Termination.................................................................................4
Reference Procedure...........................................................................4
Measuring Optical Return Loss (ORL).................................................5
Measuring Reflectance........................................................................5
Correcting Reading Due to Signal Attenuation....................................5
User Calibration...................................................................................5
Data Management ...............................................................................6
Storing Readings ................................................................................ 6
Recalling Readings............................................................................. 6
Erasing Readings................................................................................ 6
MAINTENANCE...........................................................................................7
Recharging the NiCd Battery Pack ......................................................7
Replacing the 9-V Alkaline Battery ......................................................7
Cleaning the Optical Port.....................................................................7
Factory Recalibration...........................................................................7
WARRANTY ...............................................................................................8
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CERTIFICATION INFORMATION iv
CERTIFICATION INFORMATION
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BRT-320A 1
1I
NTRODUCTION
1.1 Unpacking and Inspection
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1.2 Transportation and Storage
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1.3 Safety Information
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1.4 1310/1550 nm Laser Specifications
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GENERAL DESCRIPTION 2
1.5 Getting Help
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Back-reflection readings
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register number
Operating wavelength
Storage operation Recall operation
Low NiCd battery pack
AC adapter/charger plugged in
Secondary function
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AC adapter/charger
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NiCd battery operation
9-V battery operation
Background reflection
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LOW BATTERY CHARGING SHIFT
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BRT-320A 3
2.2 Keypad
2.3 Secondary Keypad Functions
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Decreases or increases register
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Toggles between wavelengths
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Cancels extraneous return loss
Stores back-reflection
readings
Decreases or increases back reflection
during user calibration
Recallsback-reflection
readings
Enters or exits user calibration mode
Accesses secondary
function keys
Activates and
deactivates back-light
Supplies DC power to unit
and recharges built-in
NiCd battery pack
Optical port (fitted with
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GENERAL DESCRIPTION 4
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3.1 Calibration
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3.4 Reference Procedure
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BRT-320A 5
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3.5 Measuring Optical Return Loss (ORL)
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3.6 Measuring Reflectance
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GENERAL DESCRIPTION 6
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BRT-320A 7
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4.1 Recharging the NiCd Battery Pack
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GENERAL DESCRIPTION 8
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BRT-320A iii
TABLE DES MATIÈRES
Renseignements sur la certification....................................................iv
INTRODUCTION ..........................................................................................1
Déballage et inspection........................................................................1
Transport et entreposage.....................................................................1
Consignes de sécurité .........................................................................1
Spécifications du laser 1310/1550 nm.................................................1
Assistance téléphonique......................................................................2
DESCRIPTION GÉNÉRALE ...........................................................................2
Affichage..............................................................................................2
Clavier..................................................................................................3
Fonctions secondaires du clavier.........................................................3
Connecteurs.........................................................................................3
FONCTIONNEMENT.....................................................................................4
Calibration............................................................................................4
Test préliminaire ..................................................................................4
Terminaison d’une fibre .......................................................................4
Procédure de référence.......................................................................4
Mesure de réflexion (ORL)...................................................................5
Mesure de réflectance .........................................................................5
Correction d’une mesure......................................................................5
Calibration par l’utilisateur....................................................................5
Gestion des données...........................................................................6
Mémorisation de mesures ...................................................................6
Consultation de mesures ....................................................................6
Effacement de mesures ......................................................................6
ENTRETIEN................................................................................................7
Recharge de la batterie NiCd...............................................................7
Remplacement de la batterie alcaline 9 V ...........................................7
Nettoyage du port optique....................................................................7
Recalibration par l’usine.......................................................................7
GARANTIE.................................................................................................8
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RENSEIGNEMENTS SUR LA CERTIFICATION iv
RENSEIGNEMENTS SUR LA CERTIFICATION
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BRT-320A 1
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1.2 Transport et entreposage
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1.3 Consignes de sécurité
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1.4 Spécifications du laser 1310/1550 nm
AVERTISSEMENT
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