Viavi SmartClass OLP-85 Series Operating Manual page 68

11 A - R
PPENDIX EFERENCING
R R
EMOTE EFERENCING
TX
C1
S
68
M
ETHODS
TX
C1
S
Fig. 22 One jumper reference - unidirectional
RX
C4
P
Fig. 23 One jumper reference - bidirectional (switching source and
powermeter mode)
C1 Connection 1
C4 Connection 4
TX Laser source output (Transmitter)
RX Powermeter input (Receiver)
S Source device
P Powermeter device
Measured loss = Δ
Conn. 2
This reference removes any loss at the connection between the
instrument in source mode and the reference test jumper (both
directions). However, the loss at the connection from instrument
in source mode's reference jumper to the fiber under test and
the connection from the fiber under test to the instrument in
powermeter mode's reference jumper will not be referenced out.
RX
C4
P
RX
C1
P
+ Δ + Δ
FiberUnderTest Conn. 3
TX
C4
S
OLP-85/OLP-85P