VMS Help TCPIP Services, TELNET, Command Syntax, Example  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The following example connects to UNIX host migain and sets a
    terminal type with the /TERMINAL_TYPE qualifier. No quotation
    marks are needed to pass a terminal type to migain in lowercase,
    as demonstrated with the remote host's printenv command.

    $ TELNET MIGAIN /TERMINAL_TYPE=vt300
    %TELNET-I-Trying, Trying ...11.90.208.56
    %TELNET-I-SESSION, Session 01, host migain, port 23
    -TELNET-I-Escape, Escape character is '^]'

    Hello from UNIX host migain

    login: root
    Password:...
       .
       .
       .
    migain# printenv

    TERM=vt300
    HOME=/
    SHELL=/bin/csh
    USER=root
    PATH=/bin:/usr/bin:/usr/ucb:/etc:/usr/etc:.
    LOGNAME=root
    PWD=/
    migain#