Avaya IX Room Systems XT Series Release Notes page 28

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Software
Upgrade &
Downgrade
Network
Release Notes for Avaya XT Series
terminal, the arrows in FECC
page are not displayed after
"Control Far" selecting.
XT cannot send or receive
presentation if there is only one
QC#22715 XT Desktop Client in the
conference and that Client does
not have a webcam.
Embedded MCU license cannot
be enabled on systems with CPU
version lower than 2.0
XT Series refuses the downgrade
Downgrading to to a not signed version (8.3.X or
unsigned versions lower) in regular mode or in
recovery mode.
If you are updating a system
with PIC firmware rev 33
(implemented in versions up to
QC#18364 v3.1.019), the system might
keep rebooting, and the Codec
Unit's LED or logo blinks 3 or 5
times as an error code.
If you change parameters with a
newer version, or load factory
defaults with a newer version,
some parameters could be not
properly managed by earlier
versions when downgrading.
For instance, new gatekeeper
QC#26658
configuration supporting DNS
SI#169789
name is not available in previous
version, so when downgrading
you must configure gatekeeper
again.
The same for the TLS
configuration and similar
settings.
Uploading a SW package into
the XT codec through USB key is
not possible
- whenever the SW Package is
not newer than the one already
running
- when trying to upgrade from
v8.3.0.x (or older) to a v8.3.2 or
higher; in this case it's firstly
needed to upgrade to any
RVXT5000-804 v8.3.2.x using a Windows PC
- when a password is set for the
software upgrade
- when the *.exe package copied
into the USB Key has been
renamed to a different name
than XT5000_Vx_y_z.exe or
XT7000_Vx_y_z.exe
- when the *.exe package is not
contained in the root directory
of the USB key.
Network negotiation issues
QC#18670
occur on both ports when using
QC#19192
specific network equipment, like
SI#8192-14380
CISCO C2960.
In few/random cases the XT
QC#16278 does not get the IP Address in
permanent way from DHCP.
The system may not function
QC#18450 properly after modifying the
network settings.
To downgrade XT to a version 8.3.X or lower, you
must manually disable the "Verify Signature" option
in the Download menu for normal mode. For
recovery mode it is not possible to downgrade to an
unsigned version. You need to use a signed version
for recovery mode and then disable the above
option and downgrade the XT to previous version.
Disconnect and reconnect the power jack
connector.
Reconfigure the parameter to the default value or
restore the previous version backup configuration
after downgrading, especially if you changed
parameters with the new version or loaded default
values/factory defaults with the new version and
then downgraded the system.
Always configure Autosensing in both the XT and
the GLAN Port.
Alternatively, you can limit the auto negotiation
mode to 100/Full or lower.
Set the Speed/Duplex Mode to 'Automatic - Up to
100/Full' or lower.
Reboot the system to apply the update.
Known Issues | 28