Chapter 6. Flash Upgrading - Comtech EF Data CDM-710 Installation And Operation Manual

Chapter 6. FLASH UPGRADING

Refer to Chapter 11 for the Gigabit Ethernet Interface upgrade procedure.
IMPORTANT
The CDM-710 eliminates the need for updating firmware by physically replacing EPROMs.
Instead, the CDM-710 modem uses „flash memory‟ technology internally, and new firmware can
be uploaded to the unit from an external PC, as follows:
Go online to: www.comtechefdata.com
Click on: Support
Click on: Software Downloads
Click on: Flash Update Files
This makes software upgrading very simple, and updates can now be sent via the Internet, E-mail,
or on disk. The upgrade can be performed without opening the unit, by simply connecting the
modem to the Ethernet port of a computer.
The user must reflash both images with the same firmware version for the
unit to function properly.
IMPORTANT
The upgrade from an earlier version to 4.x.x is a one way upgrade path.
Once an upgrade to 4.0.1 is completed it is no longer possible to revert to
earlier versions. If reflash to an earlier version is attempted the modem will
detect and disallow it as a protective measure. The unit will also disallow an
IMPORTANT
attempt to switch to an image with an earlier version of firmware.
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