User's Manual

InterReach™ Unison System Description PRELIMINARY
2-6 InterReach Unison User Guide and Reference Manual
PN 8700-10
620003-0 Rev. A
Figure 2-2 Local System Monitoring and Reporting
Main
Hub
Expansion
Hub
The Main Hub checks its own status and polls each of its
Expansion Hubs for their status, which includes RAU status.
The Expansion Hub checks its own status
and polls each of its RAUs for their status.
Each RAU reports its status to
the Expansion Hub.
• If a fault is detected, the
ALARM LED is red. If no fault
is detected, the LED is green.
• If a fault or warning condition
is detected, the information is
passed to the Expansion
Hub.
The Expansion Hub
receives status from
each of its RAUs and compares
it to previously stored status.
• LEDs on the front panel of the
Expansion Hub light red if a fault
is detected in itself or an RAU.
• If a fault or warning condition is
detected in the Expansion Hub
or an RAU, the information is
passed to the Main Hub.
The Main Hub receives
status of the Expansion Hubs
and each of their RAUs, and
compares it to previously
stored status.
• LEDs on the front panel of
the Main Hub light red if a
fault is detected in any unit.
• If a fault or warning condi-
tion is detected in any unit,
the Main Hub reports it to
the AdminManager.
PC/Laptop
running
AdminManager
Use the Admin-
Manager to query
units for their status
or get current warn-
ing and alarm con-
ditions.
RAU
RAU