Viavi SmartClass OLTS-85 Operating Manual page 117

1
TX
RX
OLTS-85/OLTS-85P
2
TX
RX
Fig. 34 Loopback Referencing: 1-jumper cable (1), 2-jumper cable (2),
3-jumper cable (3)
TX Laser source output (Transmitter)
RX Powermeter input (Receiver)
Remote Referencing
One jumper cable reference
This reference removes the losses at Connection 1 and
Connection 4 from the measurement.
TX
C1
S
Fig. 35 One jumper reference - unidirectional
15 A - R
PPENDIX
L
OOPBACK AND
3
TX
RX
RX
C4
P
M
EFERENCING ETHODS
R R
EMOTE EFERENCING
117