User guide

8 - 3

OMNIScanner User Guide

1. Do not disconnect the 2 m Launch Cables that are attached to the

OMNI

Fiber

adapters.

2. Remove the middle Launch Cable without disturbing the couplers.

3. Connect the link under test into the open couplers.

When using Method C, the loss effects of all Launch Cables and couplers

are canceled out.

4. Press .

Loopback Autotest

This configuration is used to test single fibers and launch cables. To run a

Loopback Autotest proceed as follows:

1. Do not disconnect the black 2 m Launch Cable, which is attached to the

TX side of the OMNI

Fiber

adapter (it is circled in the graphic below).

2. Do not disconnect the

coupler from the black

Launch Cable (it is circled

in the graphic below).

3. Disconnect the white

Launch Cable that from the

RX side of the OMNI

Fiber

adapter and the coupler.

Leave the two white connectors dangling.

4. Attach the cable to be tested to the RX connector on the OMNI

Scanner

Fiber adapter and the Coupler.

The one extra coupler will add extra loss (which is considered insignificant)

to your measurement.

5. Press .

850 nm

1300/1310 nm

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Fixed Connection

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