Why OTDR Use a Launch Cable box & Pen Cleaner?

* Be able to view and measure all events especially those masked after the OTDR bulkhead
*  Characterize the input and output connectors
*  Compensate for OTDR Deadzone. Deadzone increases with wider pulse widths
*  Protect the Connectors & OTDR Bulkhead
*  Pen cleaner can clean both ferrule and bulkhead
*  80% of all failures due to not cleaning or improper cleaning