Sierra Wireless DART 200 CDPD Modem manual Automatic Transmit Control, Select Server Type

DART 200 CDPD Modem User’s Guide F DART AT Command Set

Table F-3. Commands beginning with backslash (\) (cont.)

\T	Automatic Transmit Control
	Enables the inter-character time-out data forwarding operation of the packet assembler in online mode.
	When the time between characters received from the MAS exceeds the time-out value specified in
	S-Register 50, the data in the packet buffer is transmitted. The time-out value is specified in tenths of
	seconds; the default is 20 (2 seconds). Refer to Chapter 4, Broadcast and Multicast Operations, Data
	forwarding, for more information, and Chapter 8, Application Programming, Binary data transfer, for
	more information.
	Format:
	AT\T0	Disable automatic timed transmission
	AT\T1	Enable automatic timed transmission (default)
	Result codes:
	OK	Valid argument
	ERROR	Invalid argument

Table F-4. Commands beginning with asterisk (*)

*A	Select Server Type
	Specifies the type of server to be used and can be issued at any time, stopping the current server process
	and starting the requested process. Only one server type can be active at a given time.
	The current server option can be viewed by inspecting the *An option in the modem profile by use of the
	AT&V command.
	Format:

AT*A0

AT*A1

No server process. This is the default setting and is appropriate if the attached device always operates in client mode, for example, always originating connection requests with an ATDT command.

NOTE:

This command must also be used as an intermediate step when switching server types.

Selects TCP server process. This allows the modem to accept incoming TCP connection requests when in command mode and is consistent with earlier versions of the modem software. Refer to Chapter 5, DART Supported Protocols, Basic UDP, for more information.

AT*A2

Result codes:

OK

ERROR

Selects UDP server process. This allows the modem to accept incoming UDP data packets when in command mode. Refer to Chapter 5, DART Supported Protocols, UDP Server characteristics for more information.

Requested server mode is set.

Invalid argument.

Sierra Wireless, Inc. F-18