Agilent Technologies E6000C User Manual

D Single-Mode/Multimode Module Performance Tests Test III. Attenuation Deadzone
236 E6000C Mini-OTDR User’s Guide, E0302
♦ Or (Multimode module)
Set the pulsewidth to 10 ns.
[S
ETTINGS]<PULSEWIDTH><10 NS>. Close by OK.
Attenuator settings 8 Set up the attenuator.
–Set
λ to the actual wavelength.
– Set the attenuation to 38 dB (see Note on page 235).
– Enable the attenuator output.
Start measurement 9 On the OTDR start the measurement.
Run/Stop
Position marker A 10 Wait until the backscatter noise is reduced (about 10 s),
then position marker A close to the beginning of the
first reflection after the front reflection.
U
P (A/B) until only A is highlighted. Use LEFT/RIGHT
keys
Stop measurement 11 Stop the measurement.
Run/Stop
Set start 12 Set the start position close to the position of marker A
and the measurement span to 2 km.
[S
ETTINGS]<RANGE><RANGE INPUT...>. Use Cursor keys to
specify Start and Span. Confirm with OK.
NOTE The start position should be a little before the front edge
of the reflection. For example, if the reflection is at 2.2
km, use a start position of 2 km.
Restart measurement 13 Start the measurement.
Run/Stop
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Agilent Technologies E6000C Specifications

General

Brand	Agilent Technologies
Model	E6000C
Category	Laboratory Equipment
Language	English