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For BBU5910 Baseband Board for Base Stations 48VDC Power H.264 Coding UBBPd1/d2/d3/d4/d5UBBPe1/e2/e3
$199.94 USD
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Powering On an RRU
This section describes the procedure and precautions for powering on an RRU.After powering on an RRU, observe the indicators on the RRU to check the running status.
Prerequisites
- The RRU hardware is installed and RRU cable connections are secure.
- The input voltage of a DC RRU ranges from –36 V DC to –57 V DC.
- The input voltage of an AC RRU ranges from 100 V AC to 240 V AC.
Context
After unpacking an RRU, power it on within 24 hours.If you power off the RRU for maintenance, restore power to it within 24 hours.
Procedures
- On the power equipment for the RRU, set the corresponding circuit breaker to ON or insert a corresponding EPC connector.
After the RRU is powered on, do not look into the optical module without eye protection.
- Wait 3 to 5 minutes, and then check the RRU indicator status.For details, see the RRU Indicators section in RRU Hardware Description.
If RRUs are cascaded, check the status of all RRU indicators.
- Take corresponding actions based on the indicator status.
If...
Then...
The RRU is working properly
End the power-on task.
The RRU is faulty
On the auxiliary power equipment for the RRU, set the corresponding circuit breaker to OFF or remove the corresponding EPC connector. Rectify the fault, and then go to 1.
