The Agilent 54659B RS-232 & Parallel Measurement Storage Module is compatible with Agilent 54600B-series scopes and the Agilent 54645A/D. The Agilent 54659B can be used with the Agilent 54620A/C logic analyzers for I/0 only.
Need to analyze signals via RS-232 or parallel in the frequency domain with FFT? Need more nonvolative waveform memory? This is the module you need for your Agilent 54600-series scope.
FFT feature allows you to analyze your signal in the frequency domain
Adds an RS-232 & parallel interface and remote programming capability
Can store up to 100 traces in nonvolatile memory
Adds unattended waveform monitoring -- can store out-of-limit traces