The HP Agilent 4925B measures errored seconds, percent error-free seconds, timing delay, and parity errors over both RS-232C/V.24 and V.35.

Now complete data testing to 72 kbps is available making the HP 4925B ideally suited for complete DDS testing. The 4925B can handle from 75 to 19200 bps. The unit includes the HP 18183A RS232C/V.24 Interface.