This allows for easy addition of parallel printer to DualNet starter kit. It provides 256KB printer buffer with compression, timeout adjustment and includes power adaptor & a 25ft RJ11 cord. The built-in buffer allows for faster printer data spooling. DualNet is an expandable printer sharing solution for up to 64 computers with parallel or serial port, share up to 8 printers and extends up to 1200ft. Includes power adaptor. (Connectors: Cen36 Male to (2) RJ11 Female)