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Chapter 4. FLASH UPGRADING
4.1
Flash Updating via Internet
The CDM-750 Advanced High-Speed Trunking Modem eliminates the need for updating
firmware by physically replacing EPROMs. Instead, the CDM-750 uses 'Flash memory'
technology internally. This makes software upgrading very simple, and updates can now be sent
over satellite, via the Internet (Figure 4-1), via E-mail, or on CD.
This chapter outlines the complete upgrading process as follows:
•
New firmware can be downloaded via the Internet to an external PC.
•
The upgrade can be performed without opening the CDM-750 by simply connecting the unit
to an Ethernet port of the external PC. The firmware update is then transferred via File
Transfer Protocol (FTP) from the external PC to the CDM-750.
Figure 4-1. Flash Update via Internet
4–1
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