User's Manual

User Manual
Rosenberger Active Das With Intelligent Antenna system
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Parameter items Description Note
cable to Ground.
2. The Device had been moved by
somebody.
Device temperature alarm If the equipment temperature is higher
than setting temperature, will alarm
If got the alarm ,maybe have following
several status:
1. Unsuitable temperature value has
be set .normally: 55℃
2. The Device is too hot, and the fan
failed if have
3. The Device’s program has
something wrong.
IRU 1 ~ IRU 16 over
current alarm
If the IRU’s current is higher than 500mA,
will alarm.
If got the alarm, it means the remote
unit has something wrong.
Downlink PA Fault alarm It indicates the PA maybe fail. If got the alarm, it means the downlink
PA has something wrong.
PA temperature alarm It will alarm if the PA temperature is
higher than setting value.
If got the alarm ,maybe have following
several status:
1. Unsuitable temperature value has
be set .normally: 55℃
2. The Device is too hot, and the fan
failed if have
3. The PA’s program has
something wrong.
Downlink low output alarm It indicates the down link output power is
lower than the setting value,
If got alarm, the Remote unit maybe
have following several status:
1. check Downlink output min.value
whether it is appropriate,
2. check downlink attenuation
setting ,maybe set too more
3. PA failed.
4. Reference IM2U or NEU, check
the input power, maybe the input
power is too low.
Downlink over output alarm It indicates the downlink output power is
higher than the setting value.
If got alarm , the Remote unit maybe
have following several status
1. need to check the setting value ,
the setting value should not be
greater than the rated out power
plus 2
2. If the PA runs well, maybe the
PA’s program has something
wrong.
3. PA failed