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

    Disables the transmission of data in binary mode. With binary
    mode disabled, the EOL (end-of-line) character is sent as Return
    LF (the carriage return / line feed combination).

    Default: DISABLE BINARY.

    DCL-Style Format

      DISABLE BINARY

    UNIX Style Format

      toggle binary