Official Keysight N7752A manufacturer reference image. Exact N7752A label is clearly visible. Two attenuator channels and two separate optical power-meter inputs are shown.
Official Keysight N7751A manufacturer reference image. Exact N7751A label is clearly visible. One attenuator channel and two separate optical power-meter inputs are shown.
Official Keysight 81578A manufacturer reference image. Official 8157xA family reference only. The pictured modules are labeled 81576A and 81570A; neither is claimed as an individual 81578A. The manufacturer explicitly includes 81578A in this family.
Official Keysight 81571A manufacturer reference image. Official 8157xA family reference only. The pictured modules are labeled 81576A and 81570A; neither is claimed as an individual 81571A. The manufacturer explicitly includes 81571A in this family.
Third-party reference photograph of the exact Agilent 81560A. Background removed with an alpha-only manual mask. Shown connector caps, labels and settings refer only to the photographed example and do not establish the offered unit configuration, accessories or condition. This is not an offered-unit photograph.
