Service
Manual
OW-1 01-15
Function ChecWConf idence Test
Introduction
The technical data
of
the OLP-10115 are strongly wavelength-dependent. If the wavelengths of
the sources differ from the nominal wavelengths, the measurement error of the OLP-101-15 may
increase.
The function
checwconfidence test is performed at the wavelengths of 1320 nm, 1550 nm and
850 nm.
Preparations
-
Ambient conditions: Moderate lab environment, 23 OC
f
3
"C, no direct illumination (e.g
sunlight).
-
Carefully clean and check the optical connectors.
-
Perform the dark current adjustment (dust cap on the measurement port, then press and
hold down the dBmMlatt key. For more information see the operating manual).
Important:
The data determined during dark current adjustment is stored in volatile memory.
After switching off and then on again the dark current adjustment must be repeated.
Measurement Errors at
1310
nm
The check is carried out at 131 0 nm
f
2 nm.
Note: The reference measurements using the OLP-110 are only valid
if
the wavelengths of the
OLS and the OLP-110 are coupled (automatic correction of the wavelength dependency for the
reference measurement).
Test setup
OCD
BN
2202192.06
Settings
OLS: Lambda
=
1310 nm, level
=
0 dBm, FMOD
=
CW
OLA-100: Lambda coupled to OLS, see below for attenuation
OLP-110: ABS, STD, Lambda coupled to OLS
FMOD
=
CW, BW
=
2
HZ,
AUTORANGE ON,
DlSPL
=
x.xx
OLP-110
K31m
OLS
I
I
K31m
I
OLA-100
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