User's Manual

Ericsson Internal
INSTRUCTIONS 9 ( 14 )
/ XSNBRKI 4/1532-LZA 701 0001 Uen
EAB/ FJG/RSP ( Louise Cederlund) 2008-05-14 G
Prepared (also subject responsible if other) No.
Approved Checked Date Rev Reference
Note: Always test the alarms in numerical order, starting with alarm1.
Table 2 Closing/Breaking Alarms
If: Then:
a closing alarm is to be triggered
(the alarm cable is open when no
alarms are present)
short the alarm inlet on the customer side
of the OVP block.
a breaking alarm is to be triggered
(the alarm cable is closed when
no alarms are present)
open the alarm inlet on the customer side
of the OVP block.
7. Check that the alarm is correctly recognized according to the table below.
Table 3 Checking Triggered Alarms
Check the Following:
Yes
The external alarm indicator on the DXU shows a constant yellow light
The relevant alarm appears in the RBS Event Monitor window
P016149B
Figure 4 Checking Triggered Alarms
8. Release the trigger on the alarm and check that the alarm disappears
according to the table below.