The PDA8232 USB to RS-232 converter is a 3 ft. cable used to convert USB (male) to RS-232 (male).
Accessories & Modifications Serial Communication Converters
The PDA8485 USB to RS-485 converter converts USB to balanced, full or half-duplex RS-422 or RS-485 signals
The PDA7485 RS-232 to RS-422/485 converter converts unbalanced, full-duplex RS-232 signals to balanced, full or half-duplex RS-422 or RS-485 signals. It is available in both isolated and non-isolated versions.