Huawei AAU3902 Hardware Description
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Huawei AAU3902 Hardware Description

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AAU3902
Hardware Description
Issue
06
Date
2014-07-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei AAU3902

  • Page 1 AAU3902 Hardware Description Issue Date 2014-07-30 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope.

  • Page 3: About This Document

    Overview This document provides reference for planning and deploying an Active Antenna Unit 3902 (AAU3902, which is shortened to AAU in this document). It describes the exteriors, functions, configurations, ports, indicators, technical specifications, cable types, connector specifications, and cable connections of the AAU.
  • Page 4 Hardware Description About This Document Organization 1 Changes in AAU3902 Hardware Description This chapter describes changes in AAU3902 Hardware Description. 2 AAU Introduction This chapter describes the AAU exteriors, functions, slot assignment, ports, indicators, RET system, and engineering specifications. 3 AAU Cables This chapter describes the cables connected to an AAU.
  • Page 5 Multi-level menus are in boldface and separated by the ">" signs. For example, choose File > Create > Folder. Keyboard Operations The keyboard operations that may be found in this document are defined as follows. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 Press the primary mouse button twice continuously and quickly without moving the pointer. Drag Press and hold the primary mouse button and move the pointer to a certain position. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    AAU3902 Hardware Description Contents Contents About This Document........................ii 1 Changes in AAU3902 Hardware Description................1 2 AAU Introduction..........................4 2.1 AAU Exterior.................................5 2.2 AAU Function................................6 2.3 AAU Slot Assignment..............................8 2.4 Ports and Indicators on an AAU...........................11 2.5 AAU RET System................................14 2.6 AAU Engineering Specifications..........................17 2.7 Optical Modules................................18...

  • Page 8: Changes In Aau3902 Hardware Description

    Hardware Description 1 Changes in AAU3902 Hardware Description Changes in AAU3902 Hardware Description This chapter describes changes in AAU3902 Hardware Description. 06 (2014-07-30) This is the sixth commercial release. Compared with Issue 05 (2014-04-20), this issue does not include any new topic and does not exclude any topic.
  • Page 9 AAU3902 Hardware Description 1 Changes in AAU3902 Hardware Description Compared with Issue 03 (2014-01-20), this issue does not include any new topic and does not exclude any topic. Compared with Issue 03 (2014-01-20), this issue includes the following change. Topic Change Description 2.4 Ports and Indicators on an AAU...
  • Page 10 AAU3902 Hardware Description 1 Changes in AAU3902 Hardware Description 01 (2013-09-26) This is the first commercial release. Compared with Draft A (2013-07-30), this issue includes the following new topic: 2.5 AAU RET System Compared with Draft A (2013-07-30), this issue includes the following change.

  • Page 11: Aau Introduction

    This section describes engineering specifications of an AAU, including input power and equipment specifications. 2.7 Optical Modules An optical module transmits optical signals between an optical port and a fiber optic cable. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Aau Exterior

    An AAU can use any of the following compositions: One MU and two RUs One MU, one RU, and one CU The following figure shows the second composition as an example. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Aau Function

    Figure 2-2 AAU composition 2.2 AAU Function The function of an AAU is performed by the functional modules in it. The following figure shows the logical structure of an AAU. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 14 Multiplexes RX signals and TX signals to enable these signals to share the same antenna path, and filters RX and TX signals. Transmits or receives radio waves and forms beams. The following table describes functional modules of an AAU. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Aau Slot Assignment

    Protects a vacant slot from dust and water. 2.3 AAU Slot Assignment This section describes the slot assignment of an AAU. The following figure shows the slots in an AAU. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16 RU44-2.1G is installed in slot 1. l The DBS3900 V100R008C00 supports both the typical and maximum configurations. The RU44-1.8G configured Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17 LTE FDD mode. NOTE The filler panel in slot 2 is integrated with the antenna and cannot be removed. Figure 2-5 Maximum configuration of an AAU Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Ports And Indicators On An Aau

    Figure 2-7 Ports and indicators on an AAU (1) RU indicators (2) MU indicators (3) AU ports (4) MU ports The following table describes ports on the AAU panel. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Blinking (on The module is being loaded or is not for 0.125s and started. off for 0.125s) Steady on Alarms are generated, and the module must be replaced. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 The CPRI link is functioning properly. green Steady red An optical module fails to receive or transmit signals because the optical module is faulty or the fiber optic cable is broken. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Aau Ret System

    Internal control: Signals are received through the CPRI ports on an MU. External control: Signals are received through AISG ports at the bottom of an AU. The following figure shows the logical structure of RCU internal control. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 OOK signals to RS485 signals. RCU Serial Numbers on an AAU The following figure shows the positions and silkscreens of the three RCU serial numbers on an AAU. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 It represents the month in which the product is produced. Hexadecimal is adopted. For example, characters 1 to 9 represent January to September, respectively. A represents October, B represents November, and C represents December. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Aau Engineering Specifications

    Table 2-4 Input power specifications of an AAU Input Power Voltage Range -48 V DC -36 V DC to -57 V DC Equipment Specifications The following table lists equipment specifications of an AAU. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Optical Modules

    CU: 2.4 kg (5.29 lb) l MU: 3.4 kg (7.5 lb) NOTE For other engineering specifications of the AAU, see section "Technical Specifications of AAU3902" in 3900 Series Base Station Technical Description. 2.7 Optical Modules An optical module transmits optical signals between an optical port and a fiber optic cable.
  • Page 26 The transmission mode is displayed as "SM" on the label of a single-mode optical module and "MM" on the label of a multimode optical module. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Aau Cables

    RRU and the AAU. In this case, an AISG extension cable is used to extend the AISG multi-wire cable. An AISG extension cable is 15 m (49.21 ft). Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 28: List Of Aau Cables

    AISG Standard AISG Standard AISG Standard AISG AISG IN port on Extension male connector female female connector the AAU Cable connector on the AISG multi- wire cable Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Aau Pgnd Cable

    An AAU power cable has an EPC5 connector at one end and a customized connector at the other end. The following figure shows an AAU power cable with an EPC5 connector at each end. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Cpri Fiber Optic Cable

    Exterior Multimode fiber optic cable: The multimode fiber optic cable has a DLC connector at each end, as shown in the following figure. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Single-mode pigtail: The single-mode pigtail has a DLC connector at one end and an FC, LC, or SC connector at the other end, as shown in the following figure. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 The following figure shows the connection of the single-mode pigtail. Figure 3-6 Connection of the single-mode pigtail (1) Single-mode pigtail between a BBU and an ODF (2) Single-mode pigtail between an AAU and an ODF Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 CPRI TX port on TX port on the BBU or AAU 1 CPRI TX port on the TX port on the BBU CPRI TX port on AAU 0 Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Optional) Cascading Cpri Fiber Optic Cable

    A feeder connects an RRU and an AAU and transmits signals between the base station and the antenna system. Exterior Figure 3-8 shows a feeder with a DIN male connector at each end. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Aisg Multi-Wire Cable

    Figure 3-9 Exterior of an AISG Multi-wire cable (1) Waterproof DB9 male connector (2) Standard AISG female connector Description The following table describes an AISG multi-wire cable. Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Aisg Extension Cable

    The following figure shows the exterior of an AISG extension cable. Figure 3-10 Exterior of AISG extension cable (1) Standard AISG male connector (2) Standard AISG female connector Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 DC Return A Orange X1.3 X2.3 White and green Twisted pair RS485 B X1.5 X2.5 Green RS485 A X1.6 X2.6 White and brown Twisted pair +24 V Brown Issue 06 (2014-07-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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