Nokia 9500 MPR User Manual page 1045

Release 7.0.0 3DB 19286 ACAA Issue 01
WebEML User Manual
73 Upgrade and downgrade protection
73.1 Purpose
These procedures describe how to upgrade and downgrade protection configuration
on the 9500 MPR system.
73.2 General
The protection upgrade and downgrade procedures provide the general steps and
sequence required to change protection scheme. The number of possible
configuration scenarios prevents covering all upgrade and downgrade possibilities.
73.2.1 PDH protection
PDH protection upgrade applies when converting from 1+0 not protected to 1+1 EPS
protection configuration.
PDH protection downgrade applies when converting from 1+1 EPS protection to 1+0
not protected configuration.
Upgrade and downgrade protection
1045