Official 819xxA family reference for 81989A, pictured 81960A. The photographed model label and configuration differ from 81989A and must remain disclosed.
Official 81480A front-panel drawing from Figure 5 of the manufacturer manual. This is a manufacturer illustration; connector configuration and actual used-unit appearance must be confirmed.
Official N777-C tunable laser family reference showing N7776C. The same manufacturer data sheet explicitly covers N7778C value-line specifications. The pictured N7776C top-line accuracy and spontaneous-emission performance do not describe N7778C. Wavelength, power, and accuracy options remain unverified.
Official N7776C top-line tunable laser source reference from the N777-C family data sheet. Wavelength range, power, and connector options vary; the family-wide 1240–1650 nm span is not a single unit's tuning range.
Fluke Networks DTX-1800 manufacturer reference image. Source: Fluke Networks. Manufacturer reference image. It does not document the condition, calibration, availability, or included accessories of an offered unit.
Official 819xxA family reference for 81940A, pictured 81960A. The photographed model label and configuration differ from 81940A and must remain disclosed.
Official 8160xA family system reference for 81606A, showing an 8164B lightwave mainframe with a bottom-slot tunable source and other modules. This is a complete reference configuration; the mainframe and other modules are not established as included with the laser module.
