HP 24541A 2-Port ISA Serial Adapter (part number 24541A) is a legacy serial communications card designed for ISA-bus desktop and tower systems. The card provides two serial ports for RS-232 connectivity, enabling legacy peripheral support, terminal connections, or industrial device communication in older computing environments. ISA interface; compatible with systems supporting 16-bit ISA slots. Typical applications include legacy system maintenance, industrial control interfaces, terminal server setups, and DOS/early Windows-era workstations requiring additional serial I/O beyond onboard capabilities. Refurbished unit; assembly may be required for installation. Tested and guaranteed, available via quote.
