OTDR Launch Box Usage Guide

OTDR Launch Box Usage Guide

The OTDR launch box comes in various packages. The box-design is the most commonly used one with the advantage of durability.

It has a long spool of optical fiber with a pigtail on two ends. One of the pigtail is for input, which is used to connect with the OTDR,

the other pigtail on the opposite end is for output, which is used to connect with the optical fiber under test.

After connecting the input end and output end to the corresponding port, the OTDR launch box can be used to test the attenuation of the fiber link.

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.

Which OTDR Launch Box Fit Your Applications?

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.

Conclusion

After inserting the OTDR launch box between the OTDR and fiber under test, the affection of the OTDR

dead zone can be minimized effectively. The handling and selection of OTDR launch box should be careful.

If you need more information about OTDR launch box, kindly contact info@hicorpwell.com for more details.