User's Manual
4.3SelectingPositionsforGroundingClips
4.3.1GroundingClipsforAntennaFeeders
1. When the RRU is installed close to the antenna,
1.1 Grounding is not required if the feeder or jumper is less than 5 m.
1.2 You should ground the feeder on the RRU side if the feeder is greater than 5 m but
less than 20 m.
2. When the RRU is installed outdoors and far away from the antenna (greater than 20
m,and main feeder is used),
2.1 You should ground the feeder on the RRU side.
2.2 You should ground the feeder on the antenna side.
2.3 If the feeder is laid on an iron tower, you should ground the feeder before it leaves
the tower. If the distance from the tower to the RRU is less than 10 m, grounding is not
required for the feeder before it leaves the tower. If the length of the feeder on the tower is
greater than 60 m, you should ground the feeder at the middle position of the tower.
3. When the RRU is installed indoors,