Digi 90000583_A manual Atp

AT		Function	Result
Command			Code
ATLn	Accepted but ignored.		OK n=0 or 3
			ERROR
			Otherwise
ATMn	Accepted but ignored.		OK n=0 or 3
			ERROR
			Otherwise
ATNn	Accepted but ignored.		OK n=0 or 1
			ERROR
			Otherwise
	Return to On-Line Data Mode.
	This command determines how the modem will enter the on-line data mode.
	If the modem is in the on-line command mode, the modem enters the on-		OKn = 0 or 1 and
	line data mode. If the modem is in the off-line command mode (no connec-		a connection
ATOn	tion), ERROR is reported.		exists.
	O0Enters on-line data mode. Handling is determined by the Call Establish-		ERROR
			Otherwise or if
	ment task. Generally, if a connection exists, this command connects the
			not connected.
	DTE back to the remote modem after an escape (+++).
	O1Same as above
ATP	Accepted but ignored.		OK
	Quiet Results Codes Control command.
	The command enables or disables the sending of the result codes to the		OK n=0 or 1
ATQn	DTE according to the parameter supplied. The parameter value, if valid, is
			ERROR
	written to S14 bit 2.
	Q0	Enables result code to the DTE (Default).	Otherwise
	Q1	Disables result code to the DTE
	Read/Write S- Register.
ATSn	n	Establishes S-register n as the last register accessed
	n=v	Sets S-Register n to the value v.
	n?	Reports the value of S-Register n.
ATT	Accepted but ignored..		OK
	Result Code Form. This command selects the sending of short-form or long-
	form codes to the DTE. The parameter, if valid, is written to S14 bit 3.		OK n=0 or 1
ATVn	V0 Enables short-form (terse) result codes. Line feed is not issues before a
			ERROR
	short-form result.		Otherwise
	V1 Enables long-form (verbose) results codes (Default).
ATWn	Accepted but ignored.		OK n=0 to 3
			ERROR
			Otherwise
ATXn	Accepted but ignored.		OK n=0 to 3
			ERROR
			Otherwise
ATYn	Accepted but ignored.		OK n=0 or 1
			ERROR
			Otherwise
ATZn	Accepted but ignored. (Soft Reset and restore Profile).		OK n=0 or 1
			ERROR
			Otherwise
	DCD Option. The Digi Device Server controls the DCD output in accor-
	dance with the parameter supplied. The parameter value, if valid is written		OK n=0 or 1
AT&Cn	to S21 bit 5.
			ERROR
	&C0 DCD remains ON at all times.
			Otherwise
	&C1 DCD follows the state of the connection

48 Chapter 7 Special Features: Modem Emulation