we are testing CXPHR board for RTN910 using U2000V100R002C01SPC002.In the test laboratory there is installed a 1+0 link which has E-line and CES services defined.(in one end there is RTN910 with CXPHR and in the other is RTN950 with CXPR). Both RTNs use V100R001C02SPC100(5.76.01.32) software version. We have an E1 analyzer connected to RTN910 and on RTN950 there is a loopback set on E1 port. After the backup and restore was
performed on both equipments the DOWN_E1_AIS and UP_E1_AIS alarms didn’t appear when the loopback was removed from E1 port of RTN950. Before we perform restore operation, we used command line (Navigator) to delete the database.
This is not a problem and need handle.For detail explanation refer to the attachment.
The principle of the alarm is : when configured with unframe E1 the alarm will come into being after the loopback was removed, but when configured framed E1 will
not report T_ALOS and DOWN_E1_AIS.