USER MANUAL 750000992/16
9-15
MTS
e
Command relative to the OTDR module
Fiber commands
Format des commandes
Description des fonctions
N Sets the group index of refraction of the total fiber under test from 1.30000
to 1.70000.
K Backscatter coefficient from -99 dB to -50 dB in 0.1 dB steps. Modification
of K modifies the reflectance and ORL measurements.
N and K depends on the wavelength: 850 nm MM, 1300 nm MM,
1310 nm SM, 1550 nm SM and 1625 nm SM.
N? Reads the group index of the fiber, for the given wavelength.
K? Reads the backscatter coefficient of the fiber, for the given wavelength.
FIBer
N
[L850, L1300, L1310, L1550, L1625], [1.3 : 1.7]
Index of the fiber depending on the wavelength
N?
[L850, L1300, L1310, L1550, L1625]
K
[L850, L1300, L1310, L1550, L1625], [-99 :-50]
Backscattering coefficient depending on the wavelength
K?
[L850, L1300, L1310, L1550, L1625]
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