Connects up to 40 computers to one printer using the PrintLink interfaces - one on each computer and one on the printer, connected with a standard 4-wire phone cable. Kit comes with (1) computer adapter, (1) printer adapter, and (1) 50' 4-wire phone cable. Power free, easy installation, flexible connection, excellent expandability - up to 40 computers to one printer, high speed data transmission - up to 10,000 characters per second, transmission up to 1,300 FT.