Request InfoKeithley Instruments Inc.Keithley Instruments Inc. has expanded its line of optical switching cards with the release of a 1 x 16 version. This addition enables the company's model 7001 and 7002 switch mainframes to control more optical signals with one instrument, typically routing a single signal to 16 devices under test or 16 instruments. The model 7090 card switches optical signals in the 1290- to 1650-nm range using single-mode fibers with FC/SPC and FC/APC connectors. 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