Ascotel® IntelliGate® 2025/2045/2065 as of I7.9
218
Operation and Maintenance
sy
d-
020
4/1.
7
– I7.
9
– 1
2
.2009
System Downgrade with Software Upload
If a Flash card with old system software is not available, follow the steps described
below:
1.
). When downgrading from
2025/2045 systems you also need to replace the RAM card (see
).
2.
Carry out an emergency upload as indicated in
.
3.
Once the system has started up, load the saved configuration data using AIMS
under
"Restore"
, and save the data in the PBX with
"Upload"
. The PBX reboots and
is then ready for operation with the old system software and the familiar system
configuration.
Note:
The data structure of the EIM card is altered when upgrading to I6.5 or
later. Such an EIM card can only be re-used on I6.1 or older systems if
the I6.2 software is loaded beforehand. This intermediate step undoes
the change to the data structure.
6. 4. 10
System Downgrade from I6.6 to I6.5
A successful downgrade requires the existence of a corresponding system software
and valid configuration data. AIMS is backwards compatible, which means that
AIMS does not necessarily have to be changed.
System Downgrade with Software Upload
For a successful downgrade you need to back up the old configuration data and
the licence code.
1.
Carry out an emergency upload as indicated in
.
2.
Once the system has started up, load the saved configuration data using AIMS
under
"Restore"
, and save the data in the PBX with
"Upload"
.
3.
Enter the old licence code and save it in the PBX.
4.
After a restart the PBX is ready for operation with the old system software and
the familiar system configuration.