Digi W manual Modem Emulation AT Command Set Function Result, Code

Modem Emulation AT Command Set

AT	Function	Result
Command		Code
ATA	Answer command: The Digi Device Server will go off hook and answer a
	TCP connection request.
	This command directs the Digi Device Server to go on-line, dial according to
	the IP address entered as follow 191.1.2.3:12 and attempt to establish a
	TCP connection. If no dial string is supplied, the Digi Device Server will
	respond no dial tone.
	Note: If the ATD command is issued before the S1 register has cleared, the
	modem will respond with the NO CARRIER result code.
	Dial Modifiers. The valid dial string parameters are described below. Punc-
	tuation characters may be used for clarity with parentheses, hyphen, and
	spaces being ignored.
ATD<IP>:
<TCP
PORT>
	Command echo. The Digi Device Server enables or disables the echo of
	characters to the DTE according to the parameter supplied. The parameter	OK n=0 or 1
ATEn	value, if valid, is written to S14 bit 1.
		ERROR
	E0 : Disables command echo
		Otherwise
	E1 : Enables command echo
	Disconnect (Hang up) command
ATH	This command initiates a hang up sequence.	OK n=0 or 1
	H0 : Disconnect the TCP session if the modem is currently on line.	ERROR
	H1 : If on-hook, the Digi Device Server will go off-hook and enter command	Otherwise
	mode.

Chapter 9 Modem Emulation 37