Huawei RRU3908 V2

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The AISG multi-wire cable is 5 m long. It is connected to the RRU and Remote Control Unit

(RCU) to transfer control signals from the base station to the RET antenna.

3.11 AISG Extension Cable for the RRU

When the distance between the RRU and the RCU is more than 5 m, an AISG multi-wire cable

is not long enough to connect the RRU and RCU. In this case, the AISG extension cable is used

to extend the AISG multi-wire cable for transmitting RS485 signals.

3 RRU Cables

RRU3908 V2

Hardware Description

3-2 Huawei Proprietary and Confidential

Issue 02 (2010-10-25)

Main Page

About this Document5
Table of Contents9
Changes in the RRU3908 V2 Hardware Description15
Introduction to the RRU390817
Physical Exterior18
Figure 2-1 DC RRU18
Panels of the RRU19
Figure 2-2 AC RRU19
Figure 2-3 Panels of the DC RRU20
Figure 2-4 Panels of the AC RRU21
Table 2-1 Ports, Buttons, and Leds on the Panels of the RRU Module21
Leds on the RRU22
Table 2-2 Leds on the RRU22
RRU Cables25
RRU3908 Cable List27
Table 3-1 RRU3908 Cables27
RRU PGND Cable28
Power Cable for the DC RRU29
Figure 3-1 PGND Cable29
Figure 3-2 2-Hole OT Terminal29
Figure 3-3 Power Cable for the DC RRU29
AC Power Cable for the AC RRU30
Figure 3-4 Power Cable between the AC RRU and the External Power Equipment30
Table 3-2 Pin Assignment for the Wires of the Power Cable (North American Standard)30
Table 3-3 Pin Assignment for the Wires of the Power Cable (European Standard)30
Figure 3-5 Power Cable between the AC RRU and the AC Surge Protection Box31
Figure 3-6 Power Cable between the AC Surge Protection Box and the External Power Equipment31
Table 3-4 Pin Assignment for the Wires of the AC Power Cable between the AC RRU and the External Power31
Monitoring Signal Cable for the AC RRU32
Table 3-5 Pin Assignment for the Wires of the AC Power Cable between the AC RRU and the AC Surge Protection32
Table 3-6 Pin Assignment for the Wires of the Power Cable between the AC Surge Protection Box and the Power32
CPRI Optical Cable33
Figure 3-7 Monitoring Signal Cable of the AC RRU33
Table 3-7 Pin Assignment for the Wires of the Monitoring Power Cable (North American Standard)33
Table 3-8 Pin Assignment for the Wires of the Monitoring Power Cable (European Standard)33
Figure 3-8 Multi-Mode Optical Cable34
Figure 3-9 Single-Mode Optical Cable34
Alarm Cable for the DC RRU35
Table 3-9 Labels and Recommended Connections for the Branch Cables of the Multi-Mode Optical Cable between35
Table 3-10 Labels and Recommended Connections for the Branch Cables of the Multi-Mode Optical Cable between35
Table 3-11 Labels and Recommended Connections for the Branch Cables of the Single-Mode Optical Cable and35
Figure 3-10 Alarm Cable36
Table 3-12 Pin Assignment for the Wires of the RRU Alarm Cable36
RF Jumper for the RRU37
Interconnect Jumper for the RRU37
Figure 3-11 RF Jumper37
Figure 3-12 Interconnect Jumper37
AISG Multi-Wire Cable for the RRU38
Figure 3-13 AISG Multi-Wire Cable38
Table 3-13 Pin Assignment for the Wires of the AISG Multi-Wire Cable38
AISG Extension Cable for the RRU39
Figure 3-14 AISG Extension Cable39
Table 3-14 Pin Assignment for the Wires of the AISG Extension Cable40
Auxiliary Devices of the RRU41
AC Power Surge Protection Box42
Figure 4-1 AC Power Surge Protection Box42
Table 4-1 Specifications of the AC Power Surge Protection Box42
Ifs0643
Table 4-2 Ports on the AC Power Surge Protection Box43
Figure 4-2 IFS0644
Ocb45
Figure 4-3 Structure of the IFS0645
Table 4-3 Specifications of the IFS0645
Figure 4-4 the Application Scenario of the OCB46

Huawei RRU3908 V2 - Page 26

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