Official N5251A four-port coaxial system configuration reference from the installation and service guide. Labels identify an N5227A analyzer with Options 419 and 020, an N5262A millimeter-head controller, cables, and four test heads. The N5251A system also has two-port configurations; pictured modules, cables, test heads, and options are not confirmed as included.
Official N5193A UXG agile signal generator reference showing a 40 GHz configuration. Do not transfer the modified N5191A model's performance or adapter compatibility. Installed frequency and switching options remain unverified.
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.
