From Zenitel Wiki
|Log on to system debug console (TST). No explicit response to the command. Remote terminal emulators can insert lines of commands with $PUT 9 “command”. The command-text is not echoed, remote terminal must offer local echo. |
The result of the commands, including the prompt, is returned as $PUT 8 “text-to-be-output”. The terminal can log off by sending CONSOLE_DISC (127). AlphaCom will auto-logout after one hour.