Data Communications Command Mode - Toshiba Strata DK User Manual

Mode Definitions
Data Communications Mode
When in the Data Communications mode, send (ATCØ) to the RPCI to switch it
to the TAPI mode.
RPCI mode switching should be performed automatically by the application
programs running on the PC connected to the RPCI-DI.

Data Communications Command Mode

A RPCI or DIU must be told what number to dial, whether to answer, or whether to
disconnect. These instructions, when typed from the keyboard of a PC or terminal, are
called AT commands. A complete list of RPCI or DIU-supported AT commands is
provided in
Mode when any of the following actions occur.
The RPCI and DIU are powered up by connecting it to the Strata DK system via
the modular jack/cord. The RPCI powers up in the Data Communications mode as
opposed to the TAPI mode.
The reset (Z) AT command is issued.
No carrier is detected while originating or answering a data call.
The carrier signal from a remote DIU or modem is lost.
A semicolon (;) is entered at the end of the dial (D) command.
The escape sequence ( +++ ) is entered while the RPCI or DIU is in the
Communication Mode (on-line mode).
Note
Other Command Mode features—Result Codes, Dialing Modifiers, and S-Registers—
are explained below.
Result Codes: Displayed on the terminal or PC screen, Result Codes are RPCI and
DIU responses to AT commands and end-to-end connections and disconnections.
DIUs support the Result Codes in
Dialing Modifiers: Dialing Modifiers do exactly what their name indicates. They can
be issued anywhere in the dialing string and provide additional dialing instructions.
30
Table 4 on Page
Always change the escape sequence of a RPCI-DI connected to your PC to
avoid operation conflicts. Consult the documentation provided by the modem
manufacturer for documentation on the ATS2 command.
28. RPCIs or DIUs remain in or enter into the Command
Table 6 on Page 35.
Strata DK PC/Data Interface 5/00