Contents
N3970A OPTICAL POWER METER
Operating and Maintenance Guide
Page
Select POWER, Source, then
N3970A OPTICAL POWER METER SOURCE QUICK REFERENCE GUIDE
AUTOTEST OPERATION
Autotest Push Autotest on source and wait a few seconds
N3970A
OPTICAL POWER METER
INTRODUCTION AND APPLICATIONS
CONTENTS
SERVICE AND SUPPORT
INTRODUCTION AND APPLICATIONS
Typical applications
INTRODUCTION AND APPLICATIONS
SAFETY SUMMARY
Initial Inspection
Line Power Requirements
Operating Environment
Storage and Shipment
AC adaptor N3979A 9V DC, 1.33 A
BATTERY AND EXTERNAL POWER
Use of the external power supply disconnects the batteries
OPTICAL CONNECTOR
Bare fiber adaptors
Cleaning
OPTICAL CONNECTOR
POWER turn on instrument, SHIFT, CANCEL, SET, SELECT, RECALL, STORE
GETTING STARTED AND TURNING ON
This and following sections show you how to use your instrument
GETTING STARTED AND TURNING ON
To disable or enable the buzzer, hold down SHIFT for 3 seconds
Operation
AUTOTEST OPERATION
General Autotest features
Refer also to manual sections on Storing and recalling readings
AUTOTEST OPERATION
Either a ‘local’ or ‘remote’ reference can be stored
POWER METER OPERATION
Storing & recalling readings using non-volatile memory
STORING & RECALLING READINGS
Memory No
Total memory
Memory operating sequence
STORING & RECALLING READINGS
RS232 INTERFACE
CARE OF YOUR INSTRUMENT
All measurements
ACCURACY CONSIDERATIONS
N3970A UM-1
ACCURACY CONSIDERATIONS
Calibration
CALIBRATION & MAINTENANCE
Opening the instrument
CALIBRATION & MAINTENANCE
Maintenance
CALIBRATION, MAINTENANCE & INSTRUMENT RETURNS
SPECIFICATIONS - DEFINITION OF TERMS
SPECIFICATIONS & ORDERING INFORMATION
1 All specifications at 850 nm are typical
SPECIFICATIONS & ORDERING INFORMATION
N3970A Optical Power Meter
SPECIFICATIONS & ORDERING INFORMATION
Power Supply 9V DC
N3970-63240
Equipment Required
PERFORMANCE TEST
Characteristics
Instrument/Accessory
Table 1 Required Equipment
Recommended
Test Record
Instrument Specification
Test Failure
PERFORMANCE TEST
Total Uncertainty / Accuracy Test
Performance Test
temperature
PERFORMANCE TEST
PERFORMANCE TEST
4. Switch on the instruments a. Switch on the lightwave multimeter
6. Measure the DUT
PERFORMANCE TEST
PERFORMANCE TEST
N3970-63251
PERFORMANCE TEST
Optical Head Interface Module
+0.3 dB of Ref
PERFORMANCE TEST
Total Uncertainty/Accuracy Test
PERFORMANCE TEST
Safety Precautions
CLEANING INFORMATION
Why is it important to clean optical devices ?
CLEANING INFORMATION
Procedure for Stubborn Dirt
CLEANING PROCEDURES
Preferred Procedure
DISCLAIMER & WARRANTY
N3970A UM-1
