ATEN Flashnet Parallel Printer Receiver with 25 Foot Cable AS248R (White) Centronics and RS-232 Models can be intermixed Works in Bus/Star/Tree topologies Software or ManualPrinter selection (Requires optional EA-100 unit) Data Transfer Rate: 22 Kbytes per second Unit Pack Wt. 1.0 lb. (0.5 kg)