What to preserve from the pre-IP era

In article <52DDBF08.3030405 at gmail.com>, Dave <dave.g4ugm at gmail.com> writes: I guess they are RS-232 in terms of pinout and signal levels, but the synchronous nature of the protocol means anything colloquially referred to as an "RS-232 terminal" ain't gonna work. In addition to the synchronous communications, there is the entire layering of frames and data packets on top of the synchronous handshake. No ASCII RS-232 terminal is going to understand that unless it has firmware to talk SDLC/HDLC/etc. -- "The Direct3D Graphics Pipeline" free book <http://tinyurl.com/d3d-pipeline> The Computer Graphics Museum <http://ComputerGraphicsMuseum.org> The Terminals Wiki <http://terminals.classiccmp.org> Legalize Adulthood! (my blog) <http://LegalizeAdulthood.wordpress.com>