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AT+i Programmer's Manual - SE Spezial-Electronic AG

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20.6 +i[@]FOPS — Secure FTP Open Session<br />

Secure Socket Protocol<br />

Syntax: <strong>AT+i</strong>[@]FOPS:[,]:,[,]<br />

Parameters:<br />

Command Options:<br />

Opens a secure FTP link to a secure FTP server.<br />

Logical name of the FTP server or the server‘s IP address.<br />

Optional FTP port in the range 0-65535<br />

FTP user‘s name<br />

FTP user‘s password<br />

Optional FTP account<br />

The server name may be any legal Internet server name that<br />

can be resolved by iChip‘s Domain Name Server (DNS)<br />

settings. The server name may also be specified as an<br />

absolute IP address given in DOT form.<br />

Specifies the FTP server‘s listening port. If not specified,<br />

port 21 (decimal) is assumed.<br />

User‘s name string. This must be a registered user on the<br />

FTP server. Some servers allow anonymous login, in which<br />

case user=anonymous.<br />

Password for user authentication. If special characters are<br />

used, the password must be specified within quotes. It is<br />

customary that servers that allow anonymous login request<br />

an e-mail address as a password.<br />

Some FTP servers require an account in order to allow a<br />

certain subset of the commands. In this case, the account<br />

name must be specified when opening the FTP link.<br />

Result Code:<br />

@ The optional @ is used to flag the Force PASV mode. When<br />

@ is specified, iChip uses only the PASV method when<br />

opening a data socket to server for FTP data transfer.<br />

I/ Upon successfully connecting to the FTP server and<br />

authenticating the user, a socket handle is returned. The<br />

handle is used to reference the FTP session<br />

in all subsequent FTP commands.<br />

I/ERROR Otherwise

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