Extend the connection from your Apple™ or Mac® computer to a compatible peripheral.
Adapt your 3.5mm stereo jack for RS-232 serial control
Converts a DB9 male port to a DB25 male port; or a DB25 female port to a DB9 female port.
Compatible with most brands of motherboards and I/O cards.
Use as a serial printer cable; DB25 (PC) to DB9 (AT)
Up to 115.2 kbps; 100% compatible with any RS-232 serial peripheral