Comtec launch leads should be used complementary to an OTDR. (Optical Time Domain Reflectometer) for the testing of a fibre optic link. Comtec Launch Leads are made of a 1km coiled optical fibre and it helps eliminate the OTDR dead zone or used as a tail lead to allow loss and back reflection of last connector. An innovative solution designed to make installers activity more comfortable and practical. The fibre launch leads come with a choice of bulkhead adaptors and have 2Mtr rugged tail leads. We can also supply custom variations can be manufactured to your specification.