4-Channel RS-232 to RS-422 Converter - DB25

422CFCR - B+B SmartWorx (B & B Electronics)

Converts 4 channels unbalanced RS-232 signals to balanced RS-422 signalsData rates up to 115.2 kbpsExtends RS-232 line up to 1200 meters (4000 feet)RS-422 driver can drive ten RS-422 receivers in parallelTen receivers can be connected to any one driver for use in multidrop systems