host

    Required.

    Remote host to which you want to connect.

 port

    Optional without terminal_type.
    Required with terminal_type.
    Default: 23.

    TELNET port on the remote host. Specify this parameter if:

    o  You are invoking TN3270.

    o  You are connecting to a host that does not use the standard
       TELNET port.

 terminal_type

    Optional. Default: model of your physical terminal.

    Terminal model that you want your physical terminal to function
    as. Specify one of the following:

    o  For a session running TN3270, the terminal model to emulate.
       Enter one of the following:

       -  IBM-3278-2

       -  IBM-3278-3

       -  IBM-3278-4

       -  IBM-3278-5

    o  For a non-TN3270 session, any terminal type recognized by the
       remote host, such as VT100, VT200, VT300, VT400, and VT500.