Official 81595B optical-switch manufacturer photo showing the marked 1 x 4 single-mode module. Connector version and actual used-unit appearance must be confirmed; no mainframe or additional items are implied.
Manufacturer series reference image showing 81576A attenuator with power control and 81570A attenuator modules, as assigned to the official 81577A product page. The pictured connectors illustrate the series; confirm the angled-interface configuration of the offered 81577A.
Rohde & Schwarz NRP series manufacturer reference. Source: Rohde & Schwarz. Manufacturer family reference for the catalog NRP series. The illustration specifically shows NRP67T and NRP67TN thermal power sensors. It does not identify the offered NRP sensor variant, frequency range, connector or LAN configuration. Actual unit appearance, detailed physical condition, installed options, included accessories, calibration, warranty and availability are not established by this manufacturer photo.
Rohde & Schwarz SMA100A manufacturer reference. Source: Rohde & Schwarz. Exact model reference. The faceplate visibly reads SMA 100 A Signal Generator, 9 kHz to 6 GHz. This illustrated frequency option does not establish the offered frequency option. Actual unit appearance, detailed physical condition, installed options, included accessories, calibration, warranty and availability are not established by this manufacturer photo.
Manufacturer reference image of the Keysight 34921A 40-channel armature multiplexer module, with a small external canvas artifact cleared for transparency. Actual used-unit condition, installed options and included accessories require verification.