Re: terminal without telnet
| Newsgroups | gmane.comp.emulators.hercules390.general |
|---|---|
| Message-ID | <[email protected]> |
On 4/10/19 9:22 AM, [email protected] [hercules-390] wrote: > Another way it was done was to use a "protocol converter". The protocol converter looked to the mainframe like an SDLC attached 327x controller. It managed the screen buffer / block mode stuff, and used the character mode terminal as the display / keyboard over RS-232. One of those was manufactured by "Protocol Computers, Inc.". also the IBM 3708 http://bitsavers.org/pdf/ibm/3708