This kit is used with the QCL-LAB family of instruments to override the interlocks for quick start-up operation. One kit is included with each LAB instrument: QCL500 LAB, QCL1000 LAB, QCL1500 LAB, QCL2000 LAB. This kit includes a 9-pin D-sub male connector with pins 1 & 2 jumpered together to override the Passive Interlock on the QCL D-SUB and a BNC 50 Ω terminator for the Active Lock interlock. Free, effective, and responsive technical support is available to simplify integration of Wavelength products into your OEM design. Standard product can be easily modified to meet your application requirements.