Library /sys$common/syshlp/tcpip$telnet_help.hlb SET, MODE, Parameters  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 CHAR   LINE

    Required.

    Transmission mode you want to set. Specify either of the
    following:

    o  CHAR - Data is transmitted one character at a time.

    o  LINE - Data is transmitted one line at a time.