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DIGISONDE-4D
SYSTEM MANUAL
VERSION 1.2.11
SECTION 3 - OPERATING INSTRUCTIONS 3-75
CHAPTER 6
REMOTE ACCESS
INTRODUCTION
3:143. Accessing the Digisonde-4D sounder from remote locations is certainly convenient to avoid physical
presence at the Digisonde
®
observatory to perform commanding, configuration, software updating, and certain
system diagnostic and troubleshooting tasks. Use of the commercial remote access tools is one possibility
whose degree of success depends on the bandwidth and reliability of the communications line to the sounder, as
well as computer security considerations. Use of the low-level file transfer mechanisms for remote access is
certainly less convenient but still a powerful way to control the sounder from afar.
REMOTE ACCESS USING REMOTE DESKTOP SOFTWARE
3:144. There are many remote desktop solutions available on the current market and selection of an appropri-
ate solution may vary on circumstance and network requirements. It is important to select a remote desktop
solution that makes use of the current user session instead of creating a new session for a different user as that
could cause termination of LDI’s digisonde software or create an addition instance of that software. A remote
desktop solution will be provided by LDI for the equipment which can be replaced by the customer if desired.
REMOTE ACCESS USING FTP/SFTP CONNECTION TO DIGISONDE
®
3:145. In order for the DATA platform to accept message files from remote commanding consoles over the
Internet, there are two common software solutions:
• A standard secure shell server that includes SFTP server is commonly provided and does not require a
high speed connection to operate.
NOTE
It is important to upload message files with added .TMP extension and rename them to
the intended filename when the upload is completed, so that DCART or Dispatcher do
not operate on the file while it’s transfer is still in progress.
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