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User Manual
Airbridge cBTS3612 CDMA Base Station
Availability status is the explanation of the operational status, which is defined as
follows:
Status (availability
status)
Failed
Power off
Offline
Blocked
Dependence
Not installed
Degraded
In test
Status management maintains the consistency of OMC and BTS status, and
provides status query function.
4.6.5 Event Reporting and Processing
Event reporting & processing is very important for BTS operation. Event reporting
means a report is generated when there is error or alarm inside BTS. This may
indicate that a dangerous event has occurred or will occur very soon.
BTS has two types of alarms: board alarm and environment alarm.
I. Board alarm
When an alarm occurs or disappears on a board, the board reports the message to
OMU, which forwards it to O MC in due course. Some measures may be taken as
necessary to clear the alarms. The causes of alarms may include the following ones:
1)
Transmission and communication alarm
There are E1 port local/remote OFF alarm and loop interruption alarm.
Description
Operation is abnormal due to serious
fault (alarm message can still be
reported).
Operation is abnormal due to interruption
of communication with OMU.
Operation is abnormal since data are not
configured. .
Operation is abnormal since block
command is received, operation is
abnormal.
Operation is abnormal due to fault of
related resource.
Operation is abnormal since software or
hardware is not installed.
Fault is not serious, performance is
lowered and the system operates at a low
level.
In test status, irrelevant to operation
status.
4-25
System Description
4 System Function
Cause
Critical alarm occurs.
Board is not in position. Board is
initialized. Board communication is
interrupted. The status is usually caused
as OMU can not detect any board.
The status occurs after board
software/hardware are installed but
configuration data is not received.
This status occurs after lock command is
received and before unlocked command
is received.
Other resource failure.
This status occurs between board
initialization and the sending of
configuration data. In this period, the
software may be downloaded or
activated.
Minor alarm occurs.
Test status.
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