Avitec AB FD-3100A ユーザーズマニュアル

 

2.2.2  Cleaning Optical Connectors 

 
Optical reflections from a discontinuity such as a poor connector interface appear on an RF spectrum 
analyzer trace as stable variations in the noise floor amplitude that are periodic with RF frequency. If the 
reflection is bad enough, it could impact the system performance. By far, the most common cause for a 
large discrete reflection is a dirty optical connector. Remember that the optical aperture at the tip of the 
fiberoptic connector is only 9 

:m in diameter. A bit of dust or oil from a finger can easily interfere with or 

block this light. Fortunately, it very easy to clean the connector. The procedures are indicated in the Figure. 
Be sure to use the correct procedure for the given connector. When disconnected, cap the SC/UPC 
connector to keep it clean and prevent scratching the tip of the ferrule. 

Cleaning the SC/UPC optical connectors. 
Swipe the tip of the ferrule 2 – 3 times with 
a cotton swab soaked in alcohol. Let it air 
dry. Do not use canned air to dry as this 
may leave a residue. 

2-6