This BenchLink software supports advanced features of the 34980A. You can log data at speeds up to 900 ch/sec with the 34925A FET multiplexer, or take advantage of the high-density capabilities of the 34980A; capturing up to 560 2-wire multiplexer channels from one 34980A mainframe, or 1120 channels from 2 mainframes. With the BenchLink Data Logger software you get PC-based data logging capability without spending hours programming.