Viavi SmartClass Fiber OLTS-85 User Manual page 40

5 T 1 L T O
IER OSS EST PERATION
R
EFERENCING METHODS
Limit = Two jumper method not considered in ISO 14763-3.
14763-3
Limit = Length of fiber * Loss/km + L
TIA/11801
= 0.75 dB + Length of fiber * Loss/km (dB) + 0.75 dB + 0.75 dB +
40
Two jumper reference method
The dual-ended reference removes the losses at Connection 1,
Connection 2, and Connection 4 from the measurement.
Two jumper reference for single-mode fiber
Fig. 13 Two jumper reference: single-mode remote and single-mode
loopback
For more information on performing a measurement refer to
Fig. 18.
Reference connector to reference connector mated loss: 0.2 dB
Reference connector to random connector: TIA 568.3/
ISO 11801: 0.75 dB (ISO 14763-3 not allowed)
Random to random connector: 0.75 dB
Splice loss: 0.3 dB
L + L (0.75 dB)
splice5 conn6
0.3 dB
(0 dB) + L
conn2 conn3
+ L
conn4 +
OLTS-85