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2-5
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CONFIDENTIAL
System OA&M Capabilities Overview
2.2.1
System Monitoring and Reporting
Each Fusion SingleStar Hub in the system constantly monitors itself and its down-
stream RAUs for internal fault and warning conditions. The results of this monitoring
are stored in memory and compared against new results.
When a Hub detects a change in status, it reports a fault or warning. Faults are indi-
cated locally by red status LEDs. Both faults and warnings are reported to Admin-
Browser software and displayed on a PC/laptop connected to the Hub’s RJ-45 port.
Passive antennas connected to the RAUs are not monitored automatically. Perform
the System Test in order to retrieve status information about antennas.
Using AdminBrowser, you can install a new system or new components, change sys-
tem parameters, and query system status. Figure 2-3 illustrates how the system
reports its status to AdminBrowser.
Figure 2-3
System Monitoring and Reporting
2.2.2
Using Alarm Contact Closures
You can connect the DB-9 female connector on the rear panel of the Fusion Single-
Star Hub to a local base station or to a daisy-chained series of Fusion, Unison,
LGCell, and/or MetroReach Focus systems.
• When you connect MetroReach Focus or a BTS to the Fusion SingleStar, the
Fusion SingleStar Hub outputs the alarms (alarm source) and MetroReach Focus
or the BTS receives the alarms (alarm sense). This is described in Section 6.6.1 on
page 6-33.
• When you connect LGCell to the Fusion SingleStar, the Fusion SingleStar Hub
receives the alarms (alarm sense) from LGCell (alarm source). This is described in
Section 6.6.2 on page 6-36.
Each RAU passes its status to
the Hub.
If a fault is detected, the
ALARM
LED is red. If no fault
is detected, the LED is green.
The Hub queries the status of
each RAU and compares it to
the previously stored status.
If a fault is detected, LEDs on
the front panel turn red.
PC/Laptop
running a
standard
RAU
RAU
Use a standard browser to commu-
nicate with remotely or locally
installed SingleStarsystems running
AdminBrowser.
If a fault or warning condition is
reported, the AdminBrowser graphi-
cal user interface indicates the prob-
lem on your standard PC browser.
web browser
Fusion
SingleStar
Hub Admin
-
Browser