OptoTest OP940-SW Instruction Manual page 40

OP940-SW
Example 4: Referencing
Connect the cables as below, leaving the reference connectors disconnected.
Reference return loss as in Example 1 (page 33).
On the second screen of options in RL Ref mode, select the
direction of the OP725. Then repeat the RL reference for the B A direction. To return to
the measurement screen, press the Home button.
Page 1
A - B: No Ref
No RL Reference Taken
RL
1310
Range: 10m - 100m
RL
1550
24
CH
Connect the two reference
cables and reference Insertion
Loss as in Example 3
(page 37).
Bidirectional IL and RL
B - A: No Ref
AB/CD
Start
RL Ref
Stop
21.3 °C
39 of 49
with an OP725
A B
B A
Page 2
feature to change the