13
Secondary Mode Reference Using Test Method B
If setting a Method B reference using the Megger provided duplex reference cords use both cords to eliminate removing one cord from the
adapter and invalidation the reference. If the fiber optic link uses non-SC style connectors refer to Appendix B for establishing a reference
using the modified test method B setup.
1.
Attach either the SCT-MMA or SCT_SMA fiber optic adapters
2.
Using the navigation keys select “Autotest” from the “HOME” menu and press [ENTER].
3.
Select the desired project and press [ENTER].
4.
Using the navigation keys select “Set Reference” from the “HOME” menu and press [ENTER].
5.
Verify the fiber optic reference cords are attached per the displayed reference configuration.
6.
Press the [TEST] button. If the fiber optic link is incorrect the SCT will display the Fiber Map to prompt a correction.
7.
When the reference measurement is complete the SCT will display the measured power and the option to set the reference
patch cord lengths.
8.
Verify the measured power, and set the patch cord lengths if desired, then press [ENTER]
9.
Verify the fiber optic reference cords will be attached per the displayed measurement configuration and press [ENTER]
SCT PRIMARY
SCT SECONDARY
Do not disconnect the reference cords from the output
connectors. Disconnecting the reference cords from
the output connectors will invalidate the reference setting.
Caution
Duplex SC - SC style fiber
optic reference cords
Figure 2 Secondary Mode Method B Reference Setting