USER MANUAL 750000992/16
7-1
Chapter
7
7Optical spectrum analyser
This chapter describes the different steps in carrying out a spectrum analysis of
an optical signal by an MTS equipped with a WDM 507x module:
❏ OSA configuration test
❏ Display of spectrum and results of the WDM analysis
Configuration of the instrument
After connecting the fiber to be tested to the optical connector, you must select
the OSA module (see "Instrument Set up" on page 3-11), then setup this module.
OSA test setup
To set up the MTS
e
for an OSA test on a fiber, press the SET-UP button then the
<Test setup> key. The different measurement parameters are displayed.
You may :
1. either choose the default values by pressing the key <Auto Mode>.
Auto Mode Configuration:
• Sweep : Continue
• High Sensitivity: No
• Resolution : Full
• Channel Detection: First sweep
• Signal Threshold: Auto
• Statistic Mode: No
• SNR Methode : Left & Right.
• S <-> N Distance: Auto
• Noise Acq. BW: 0.100 nm.
• Start Screen: Auto
2. or define your own configuration.
The parameter to be modified must be chosen by using the direction arrow
keys «↓» and «↑». The screen will then display the possible options: use the
direction arrow keys ← and → to make a choice.
The different parameters proposed are described below.
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