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EXFO OTDR 2 User Manual

Page 214

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Index

206

OTDR

mounting EUI connector adapter ................ 15
multiwavelength trace file displaying........ 115

N

naming trace automatically......................... 18
noise area, searching................................. 139
number in events table ............................. 100

O

opening trace file ...................................... 142
optical return loss. see ORL
ORL threshold.............................................. 39
OTDR

basic theory ............................................. 7
definition................................................. 1
internal components ............................... 8
main window .......................................... 5
using as laser source............................ 155

P

parameters

helix factor............................................. 24
IOR ........................................................ 24
Rayleigh backscatter coefficient............. 24
trace display .......................................... 67

pass/fail test

disabling................................................ 39
enabling ................................................ 39

photodetector ............................................... 7
post-processing data..................................... 6
product

identification label............................... 167
specifications....................................... 173

pulse

dial ........................................................ 60
setting width ......................................... 60

R

RBS (Rayleigh backscatter)

description............................................... 8
modification ........................................ 119
obtaining ............................................... 24
setting ................................................... 24

real-time mode............................................ 64
re-analyzing a trace ................................... 134
recalling files or traces. see reloading........ 145
reference trace setting............................... 116
reflectance

attenuation............................................ 88
column in events table......................... 100
detection ............................................. 120
detection threshold........................ 30, 119
modification ........................................ 124
of event ............................................... 100
of non-reflective events ......................... 89
source of inaccurate measurements....... 26
threshold ............................................... 39

reflective ends of fiber............................... 139
reflective events, detecting........................ 139
relative power ............................................. 85
report

content ................................................ 149
generating ........................................... 149
of trace ................................................ 147

return merchandise authorization (RMA) .. 171

S

safety

caution .................................................... 9
conventions ............................................. 9
warning ................................................... 9

same pulse and time for all wavelengths..... 61
selecting

default file format.................................. 79
default view ........................................... 76
test wavelength, automatically .............. 48

service and repairs..................................... 171
service centers ........................................... 172