Samsung Smart MBS RRH-P4 Installation Manual page 10

2600-00CTEIGAA Ver.
SAFETY CONCERNS
Radius of Curvature of Feeder Line
When installing a feeder line, the radius of curvature of the sections where cables
bent should be larger than the allowed radius of curvature. If the radius of curvature
for the feeder line installation is less than the allowed radius of curvature, it may
affect the performance of the system.
Connection of Feeder Cable Connector
Connecting the feeder cable connector is critical process, so the qualified workers
who finished the related education should perform.
Caution When Connecting RET Cable
Make sure to turn off the breaker connected to the RRH-P4 power of the DU
cabinet before connecting the RET cable between the antenna RET port and the
RRH-P4 RET port.
If you connect or disconnect the RET cable while the breaker is turned on, it may
cause an electric short circuit resulting in damage to the RET function.
Installation General
Caution when losing External Power Cable Support Bracket ('2.6 Connecting
ground cable')
External Power Cable Support Bracket and two cable tie (stainless steel) for fixing
cable are enclosed in RRH-P4 package. Be careful not to lose when unpacking
package.
Managing unused port
Finish unused port of UADU by dust-cap, not making the alien substance flowed.
Finishing Cable Insertion Hole
Finishing work is required on cable insertion holes (Cable gland, Conduit and
etc.) to prevent entering of any foreign substance, external air and moisture.
- Unused cable insertion hole: Finish cable insertion hole using fishing materials
- Cable-installed insertion hole: After installing cable, finish insertion hole using tape,
VIII
4.0
such as dust cap, rubber packing and etc.
compressed sponge, rubber packing, silicon, etc. to prevent empty space.
© SAMSUNG Electronics Co., Ltd.