Tektronix 80C01-CR - supports conformance testing of (1100-1650 nm) signals at 622, 2488, and 9953 Mb/s (OC-12 - OC-192 / STM-64) as well as general purpose testing up to 20 GHz optical bandwidth with clock recovery option.
Tektronix RTD720A Transient Waveform Digitizer option 6, 15, 19 (Four channel with extra memory and remote mountable display) "Inventory Clearance Items are being sold at or below cost to clear out older inventory. Items being sold for clearance may not be completely reconditioned or may not include all standard accessories. Please contact sales for specifics."