for sale is a ISA8 bit card used for BBS modem dialup. It has four UART RS232 channels
it has been tested on my 486 PC, and it's in perfectly conditions and working state.

this offer it includes
  • 8bit isa card
  • special cable with four RS232 DB25 connectors
  • manual
  • software on a 5.25" floppy

if interested, contact me in private.