On Tue, Apr 06, 2004 at 12:57:06AM +0000, Jeffrey Armstrong wrote: I have one of those at home, presuming we are talking about the same thing, a white box with four or five DB-25s and maybe a loopback connector attached via a springy lead. This cached version of Megan Gentry's webpage describes it as an 8-port switch... http://66.102.7.104/search?q=cache:LH20Kvh9OtMJ:world.std.com/~mbg/home_sys… I do not know where my file describing the command set is (it might be on an Amiga back home), but Megan Gentry was the one who told me how it worked. My recollection is that it's pretty simple - single, or at most double control characters to tell it how to select the output port. -ethan -- Ethan Dicks, A-130-S Current South Pole Weather at 06-Apr-2004 12:11 Z South Pole Station PSC 468 Box 400 Temp -65.5 F (-54.2 C) Windchill -105.5 F (-76.40 C) APO AP 96598 Wind 9.30 kts Grid 053 Barometer 678.9 mb (10667. ft) Ethan.Dicks(a)amanda.spole.gov http://penguincentral.com/penguincentral.html