Allied Telesis AT-WA7501 - Manual (Page 271)

AT-WA7500 and AT-WA7501 Installation and User’s Guide
271
Understanding Transparent Files
The AT-WA7500 and AT-WA7501 access points with software release 2.2
support transparent files, which are files without file headers. Transparent
files all have the date May 14, 2002 (5-14-2002) and have no version.
The advantage of using file headers is that the date and file versions are
correct when you use the FD command to view the directory. All provided
.DNL files have file headers. All files to be uploaded by script files must
have file headers.
For help using the TFTP GET command with transparent files, see
page 288.