OTDR Triple Cable Fibre Launch Box. Launch Box is custom made with 3 fibre cables up to a maximum of 2km per cable. Can be loaded with a mixture of fibre types OM1 , OM2, OM3 Multimode & OS1 9/125 singlmode and a choice of Connectors from FC ,FC/APC, SC, SC/APC , ST & LC. An OTDR launch cable is used to eliminate the launch pulse created by an OTDR when testing fibre cables and networks. Without a launch cable, a test reading will not be accurate and events along the fibre could be missed. Watertight, crushproof, and dust proof - IP65 rated. Ideal for on site and harsh environment use.