The JDS / JDS Fitel /JDSU TB9: Models TB9xxx-Z series Tunable Grating Filter can be used for amplified spontaneous emission (EDFA) applications or to remove spontaneous emission from distributed feedback lasers (DFBs) and tunable lasers in measurements of wavelength selective components. The Tunable Grating Filters can be controlled from the front panel keypad or by the GPIB and RS232 interfaces. This JDS TB9223+Z+FP has a tuning range of 1460-1575 nm and comes with front bulkheads FC/PC connectors.