Rru Cables - Huawei RRU3908 V2 Hardware Description

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RRU3908 V2

Hardware Description

About This Chapter

The RRU cables consist of the PGND cable, power cable, CPRI optical cable, RRU RF cable,

alarm cable, AISG multi-wire cable, and AISG extension cable.

3.1 RRU3908 Cable List

The RRU3908 cables are the PGND cable, power cable, CPRI optical cable, RF jumper,

interconnection jumper, alarm cable, AISG multi-wire cable, and AISG extension cable.

3.2 RRU PGND Cable

The PGND cable ensures the grounding of the RRU.

3.3 Power Cable for the DC RRU

The RRU power cable is the -48 V DC shielded power cable, which is used to feed the -48 V

DC power into the RRU.

3.4 AC Power Cable for the AC RRU

The AC power cable feeds AC power from external equipment to the AC RRU.

3.5 Monitoring Signal Cable for the AC RRU

The monitoring signal cable for the AC RRU feeds power to the AC RRU and monitors the

running status of the RRU.

3.6 CPRI Optical Cable

The CPRI optical cable transmits CPRI signals between the BBU and the RRU or between RRUs.

3.7 Alarm Cable for the DC RRU

The alarm cable for the RRU is a shielded straight-through cable. The cable transmits alarm

signals from the external equipment to the DC RRU and monitors the external equipment.

3.8 RF Jumper for the RRU

The 1/2-inch RF jumper is used for the RRU. It transmits and receives RF signals between the

RRU and antenna.

3.9 Interconnect Jumper for the RRU

The interconnect jumper for the RRU connects the RX_IN/OUT ports of two RRUs, and

transmits the RF signals between the RRUs in the same cell.

3.10 AISG Multi-Wire Cable for the RRU

Issue 02 (2010-10-25)

Huawei Proprietary and Confidential

RRU Cables

3 RRU Cables

3-1

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