Digi PortServer TS 8 Guide de l'utilisateur télécharger pdf (Page 39)

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Modem Emulation AT Command Set

Chapter 8 Modem Emulation 39

Modem Emulation AT Command Set

Command

Function Result Code

ATA Answer command: The Digi Device Server will go off hook and answer a TCP connection

request.

ATD< IP >:

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. Punctuation

characters may be used for clarity, with parentheses, hyphen, and spaces being ignored.

ATEn Command echo. The Digi Device Server enables or disables the echo of characters to the

DTE according to the parameter supplied. The parameter value, if valid, is written to S14

bit 1.

E0 : Disables command echo

E1 : Enables command echo

OK n=0 or 1

ERROR otherwise

ATH Disconnect (Hang up) command

This command initiates a hang up sequence.

H0 : Disconnect the TCP session if the modem is currently on line.

H1 : If on-hook, the Digi Device Server will go off-hook and enter command mode.

OK n=0 or 1

ERROR Otherwise

ATIn Identification command

I0 reports product code. Example: Digi Device server

I1 reports 255

I2 reports “OK”

I3 reports “OK”

I4 reports DIGI DS_TS

I5 reports “OK”

I6 reports “OK”

I7 reports “OK”

I8 reports “ERROR”

I9 reports “ERROR”

OK n=0 or 9

ERROR Otherwise

ATLn Accepted but ignored. OK n=0 or 3

ERROR Otherwise

ATMn Accepted but ignored. OK n=0 or 3

ERROR Otherwise

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Digi PortServer TS 8 Guide de l'utilisateur Page 39

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