Device Management
Page 139
20.7
Firmware
Device Management > Firmware
20.7.1
Firmware images
The TC620-PID has two firmware storage areas: a
fixed image
area and an
upgrade image
area.
The fixed image area contains the original factory version of the firmware. This cannot be erased.
The upgrade image area is usually empty upon factory release.
If the existing firmware in the TC620-PID is to be replaced, a new version can be written to the
upgrade image area. There, the new image resides in erasable (flash) memory.
An upgrade image can replace an existing upgrade image written to the device at an earlier
upgrade. It is essential that the upgrade image is compatible with the TC620-PID.
20.7.2
Current Version
This section offers information on the currently active firmware version.
20.7.3
Upgrade
This section of the webpage enables you to upgrade the firmware residing in the upgrade image
area.
Important:
On upgrading a TC620-PID to firmware version 4.0 and higher, all existing users are
deleted. After a successful upgrade, you can access the webpages with the default Admin
account (user name = Admin; password = 1234).
Note:
It is possible to use the upgrade section to downgrade a unit to an earlier version of the
firmware. As a result, a unit may have version 4.0.1 in its fixed image area and version 3.12 in
its upgrade image area, for example. After the downgrade, the unit can only be accessed by user
"root" with a "1234" password. With these credentials, you can log on and then perform a reset
to factory settings. This restores the default version 3.12 users - that is, "root" and "admin", both
with an empty password.
