Andrew Wireless Innovations Group RPT-MMR8-19I User Manual
6 Alarms
ID No: 159967
Page 33
6. ALARMS
6.1.
BITE AND ALARMS
The Built-In Test concept comprises the monitoring of the power supplies, the power
amplifiers and the optical interface.
amplifiers and the optical interface.
All occurring alarms can be checked via software at the master unit.
6.2.
HANDLING OF ALARMS
As soon as the software acknowledges a valid alarm, a message is transmitted to the
master unit.
master unit.
If the reason for the alarm has been cleared or if the alarm should continue, a new
alarm message will not be repeated. If there was an interruption of at least one
second after acknowledgement, a new alarm message will be generated.
alarm message will not be repeated. If there was an interruption of at least one
second after acknowledgement, a new alarm message will be generated.
6.3.
STATUS REPORT
For details refer to the corresponding software documentation, which is part of the
“System Description for the MMR Optical Master Unit”.
“System Description for the MMR Optical Master Unit”.
6.4.
LED ALARMS
The LED on the connector flange of the remote unit indicates the following alarms:
LED Indication
Alarms
Green
No alarm
à Status ok
Alarms not related to RU:
Orange
•
External alarms
•
Optical alarm Rx
•
all ALC alarms
Alarms related to RU:
Red
•
Power 28V
•
Power 12V
•
Temperature
•
Fan
•
I²C
•
Optical alarm Tx
•
Amplifier “Power Down”
LED off
No power
table 6-1 LED alarms
For the position of the LED see figure 4-7 Connector flange.