In a message dated 98-06-10 19:31:17 EDT, you write: << I build graphlinks and sell them with the proper software. Guarenteed to work. $20. Kent >> So do I, but I needed an official TI-Graphlink, and I found one! For modem experiments (to test software I am going to work on). Thanks anyway! Oh, and I still need 1 or 2 9600baud external modems! Lee