Variable Attenuator 39
5 Operating Your Variable
Attenuator
Connecting Optical Fibers
To connect the fiber-optic cable to the port:
1. Clean the fiber ends as follows:
1a. Gently wipe the fiber end with a lint-free swab dipped in isopropyl
alcohol.
1b. Use compressed air to dry completely.
2. Carefully align the connector and port to prevent the fiber end from
touching the outside of the port or rubbing against other surfaces. If
your connector features a key, ensure that it is fully fitted into the port’s
corresponding notch.
3. Push the connector in so that the fiber-optic cable is firmly in place,
thus ensuring adequate contact.
If your connector features a screwsleeve, tighten the connector
enough to firmly maintain the fiber in place. Do not overtighten, as this
will damage the fiber and the port.
Note: If your fiber-optic cable is not properly aligned and/or connected, you will
notice heavy loss and reflection.
IMPORTANT
To ensure maximum output power and to avoid erroneous
readings, always clean fiber ends as explained below before
inserting them into the port.
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