EXFO FTB-700 for FTB-1 - Manual (Page 323)

Index
OTDR 315
mounting EUI connector adapter ................ 21
multiwavelength trace
color in display .................................... 103
file displaying ...................................... 126
multiwavelength trace file
bidirectional analysis ........................... 195
N
naming trace automatically................... 24, 74
native trace format.................................... 176
noise area, searching................................. 152
non-reflective event, averaged loss ... 130, 211
number in events table ............. 110, 207, 208
O
opening
a single-wavelength trace file .............. 195
multiwavelength trace file ................... 195
trace file .............................................. 156
optical return loss. see ORL
ORL
module required for calculations ......... 173
threshold ....................................... 50, 245
OTDR
basic theory ............................................. 5
definition................................................. 1
file compatibility between versions...... 176
internal components................................ 6
software launch level........................... 269
using as laser source............................ 187
P
parameters
Advanced mode..................................... 40
helix factor............................................. 41
IOR......................................................... 41
Rayleigh backscatter coefficient............. 41
Template mode...................................... 58
trace display .......................... 84, 122, 239
pass/fail ..................................................... 204
pass/fail test
disabling ........................................ 51, 246
enabling......................................... 51, 246
when to perform.................................... 51
photodetector ............................................... 5
Pos. in event table ............................. 207, 208
position, event................................... 207, 208
precision, trace ............................................ 46
product
identification label ............................... 282
specifications ....................................... 289
pulse
dial......................................................... 43
in Trace Info. tab.................................. 130
setting width ......................................... 43
width unit ............................................ 238
pulse/time in Trace Info. tab ...................... 211
R
RBS (Rayleigh backscatter)
description............................................... 6
in Trace Info. tab.................. 131, 212, 250
level measurement event ..................... 164
modification ................................ 129, 250
obtaining ............................................... 41
setting ................................................... 41
re-analyzing a trace ........................... 149, 213
reference trace
parameters............................................. 58
selection................................................. 69
Refl. column in events table .............. 110, 208
reflectance
attenuation .......................................... 172
detection threshold...... 131, 146, 212, 251
modification ................................ 134, 229
of event ....................................... 110, 208
of non-reflective events........................ 172
source of inaccurate measurements....... 42
threshold ....................................... 50, 245
reflective ends of fiber............................... 152
reflective events, detecting........................ 152