December 7, 2019
The using of OTDR launch boxes seems really easy. However, the handling of them should be careful.
If you want to get accurate test result of the fiber link the length of the optical fiber inside the OTDR launch box
should be long enough to cover the whole dead zone.
OTDR launch box is like fiber optic cables, it has different types.
And one cannot be used in all fiber link test. The following will tell you how to select OTDR launch boxes.
The selection of OTDR launch box is like selecting fiber patch cable.
You should basically consider about the fiber type, connector type terminated on pigtails and the polishing type of the connectors.
Another important factor should be considered is the length of optical fiber of OTDR launch box as above mentions.
The optical fiber of OTDR launch box should be longer than the dead zone.
Thus, most of fiber OTDR launch box can support hundreds or thousands meters.
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