User's Manual
User Manual
Rosenberger Active Das With Intelligent Antenna system
- 49 -
4.2.3.3 IRU-O Alarm Status
Figure 50 IRU-O Alarm Status
Table 10 Description of the monitoring information
Parameter items Description Note
Power Fail alarm If the main power supply down, will alarm. If got the alarm, it means that it has no
main power supply.
Power Fault alarm If the internal power supply voltage is not
stable, and the voltage ripple is greater
than 10%, will alarm.
If got the alarm, it means that the
power supply voltage is not stable,
should check the voltage by
multimeter.
Monitor module battery
fault alarm
If the battery voltage is lower than
8.5V,will alarm
If got the alarm, it means that the
battery is not good, should replace a
new one.
Master slave link alarm If the master unit cannot detect the
remote unit, will alarm.
If got the alarm, maybe the extender
unit or remote unit failed.
Master slave module
comm. Failure
If the monitor board cannot detect the
module, will alarm.
If got the alarm, maybe have following
several status:
1. There is something wrong about
the data cable between the
monitor board and modules.
2. The modules failed.
PD1~PD16 alarm If the master unit cannot receive the
optical signal, will alarm.
If got the alarm, maybe have following
several status:
1. There is something wrong about
the fiber optical cable among the
Master unit, extender unit and
remote unit.
2. The remote unit failed.
LD, LD1,LD2 alarm If the master unit cannot send the optical
signal, will alarm.
If got the alarm, it means the master
unit or extender unit failed.
Position changed alarm Position alarm, if the Device had been
moved, will alarm.
If got the alarm ,maybe have following
several status:
1. Forgot to connect the position