Ericsson MINI-LINK BAS, Technical Description, Page: 162 / 174

MINI-LINK BAS 9-16
Technical Description EN/LZB 111 0542 P2B
9.7 System Upgrade
A system upgrade procedure with minor service interruption is
available.
The complete procedure to upgrade the system is described in Figure
9-3, covering also the case of CP and EM software upgrade.
Depending on the modifications introduced by the new software
baseline, some steps could be skipped, shown with a grey background.
Note: The system upgrade procedure described here is available
in system revision R1C and therefore will be used in the
upgrade from R1C to R1D. For upgrades from previous
versions of the system, please refer to operation and
maintenance manuals.
LEGENDA
Mandatory Steps
Optional Steps
Traffic not affected
Traffic interrupted
System Upgrade
Install new system upgrade files
Transfer load modules into DP
passive areas
Install new
Management System
Stop Control Processor
Install new CP software
Upagrade Network database
Start CP in
"upgrade" mode
Execute upgrade
Execute a CP hot start
Exit
Figure 9-3 System Upgrade
In the following sub-sections, each step is described in detail.