Sierra Wireless DART 200 CDPD Modem manual Select PAD or Telnet Operating Mode

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

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

\N	Format:
(cont.)	AT\N2
		B side only
	AT\N3	A side preferred (default)
	AT\N4	B side preferred
	Choose \N3 or \N4 only if the modem is used in a visiting (traveling) application
	Result codes:
	OK	Valid argument
	ERROR	Invalid argument
\O	Select PAD or Telnet Operating Mode
	Allows the user to select Packet Assembler/Disassembler (PAD) mode, or telnet mode for modem
	operations. Refer to PAD operating mode, p. 8-25, for more information.
	Telnet mode logs on a user to a remote host by emulating an ASCII terminal. A telnet session uses TCP
	protocol but generates additional packets both during session initiation (when terminal emulation
	parameters are being negotiated), and during operation (when host echo is usually used).
	PAD mode is used to communicate with specific applications or devices using TCP or UDP and usually
	have less overhead than telnet. It also supports binary mode data transfers that telnet does not.
	NOTE:
	Telnet mode is not appropriate for telemetry applications.
	To facilitate telnet setup several related profile parameters are forced by the AT\O command as follows:
	\O1	Select telnet mode (default)
	F1	Use remote echo when in online mode
	\M0	Disable manual data forwarding
	\T1	Enable automatic data forwarding
	\O0	Select PAD mode
	F0	Use local echo while in online mode
	\M1	Enable manual data forwarding
	\T0	Disable automatic data forwarding
	Format:
	AT\O0	Select PAD mode
	AT\O1	Select TELNET mode (default)
	Result codes:
	OK	Valid argument
	ERROR	Invalid argument

PN1197-00 Revision 1.0 F-15