User's Manual

RRU3278

Installation Guide

8 Installing RRU Cables

Issue 05 (2017-03-10)

Huawei Proprietary and Confidential

Figure 8-30 Installing an RRU power cable

Ensure that the exposed shield layer of the power cable is properly tightened under the clip.

b. Connect the other end of the RRU power cable to the output terminal on the DCDU.

c. Route the cable by referring to section "Cabling Requirements". Then, use the cable

tie to secure it.

d. Label the installed cable by referring to Attaching a Cable-Tying Label.



Install an RRU power cable that feeds power to an RRU from the emergency power

supply (EPS) or embedded power subrack unit (EPU) when an EPS or EPU is

configured.

a. Connect the tool-less female connector (pressfit type) at one end of the power cable

to the power supply socket on the RRU, as shown in Figure 8-30.

b. Connect the tool-less female connector (pressfit type) at the other end of the RRU

power cable to one of the ports from RRU0 to RRU5 on the EPS or EPU.



The blue core wire in the tool-less female connector (pressfit type) is linked to the left port on the

EPS, and the red/black/brown core wire is linked to the right port on the EPS.



Each EPS or EPU provides power for a maximum of six RRUs. An RRU power cable can be

connected to any of the RRU0 to RRU5 ports on the EPS or EPU.

c. Route the cable by referring to section "Cabling Requirements". Then, use the cable

tie to secure it.

d. Label the installed cable by referring to Attaching a Cable-Tying Label.

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