1. Manuals
  2. Brands
  3. Huawei Manuals
  4. Network Hardware
  5. Airbridge DBS3900
  6. Hardware description

Huawei DBS3900 Hardware Description

Hide thumbs Also See for DBS3900:
Table of Contents

Advertisement

Quick Links

Download this manual
DBS3900
V100R005C00
RRU3253 Hardware Description
Issue
01
Date
2012-11-30
HUAWEI TECHNOLOGIES CO., LTD.

Advertisement

Table of Contents
loading

Related Manuals for Huawei DBS3900

Summary of Contents for Huawei DBS3900

  • Page 1 DBS3900 V100R005C00 RRU3253 Hardware Description Issue Date 2012-11-30 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

    1 Change History This chapter describes changes in the RRU3253 Hardware Description. 2 RRU Introduction This chapter describes the RRU. 3 RRU Cables This chapter describes RRU cables. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Description Boldface The keywords of a command line are in boldface. Italic Command arguments are in italics. Items (keywords or arguments) in brackets [ ] are optional. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 The mouse operations that may be found in this document are defined as follows. Action Description Click Select and release the primary mouse button without moving the pointer. Issue 01 (2012-11-30) 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 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    3 RRU Cables.............................7 3.1 RRU Cable List..............................8 3.2 RRU PGND Cable..............................8 3.3 RRU Power Cable..............................9 3.4 CPRI Fiber Optic Cable............................10 3.5 RRU RF Jumper...............................13 3.6 RRU Alarm Cable............................13 Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Change History

    Compared with draft A (2012-09-20), this issue does not include any changes. No information in draft A (2012-09-20) is deleted from this issue. Draft A (2012-09-20) This is a draft. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Rru Introduction

    This section describes ports on the RRU panels. An RRU has a bottom panel, cabling cavity panel, and indicator panel. 2.3 RRU Indicators This section describes six indicators on an RRU. They indicate the running status. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Rru Exterior

    This section describes the exterior and dimensions of an RRU. Figure 2-1 shows an RRU. Figure 2-1 RRU exterior Figure 2-2 shows RRU dimensions. Figure 2-2 RRU dimensions Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Rru Ports

    Figure 2-3 shows the ports on the RRU panels. Figure 2-3 Ports on the RRU panels Table 2-1 describes ports and indicators on the RRU panels. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Rru Indicators

    Software is being loaded to the off for 0.125s module, or the module is not started. Steady on Alarms are generated, and the module must be replaced. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13 Ir ports. (You are advised to check the system configuration to rectify the fault.) Steady off The SFP module is not properly installed, or the optical module is powered off. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Rru Cables

    An RRU alarm cable, a shielded straight-through cable, transmits alarm signals from an external device to RRUs so that the base station can monitor the operating status of external devices. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Rru Cable List

    PGND cable, a copper-core cable with a minimum cross-sectional area of 16 mm (0.025 in. ) is recommended. Figure 3-1 shows a PGND cable. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Rru Power Cable

    DC power input cable. Table 3-2 Pin assignment for the wires of a DC power input cable (North American standards) Wire Color NEG(-) Blue RTN(+) Black Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Cpri Fiber Optic Cable

    RRUs, the optical fibers on both RRU sides are 0.03 m (0.0012 in.) long. Figure 3-4 shows the connections for a CPRI fiber optic cable between a BBU and an RRU. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 18 RRU side and ODF side are 0.03 m (0.013 in.) and 0.8 m (0.031 in.) long, respectively. Figure 3-6 shows the connections for a single-mode CPRI fiber optic cable between a BBU and an ODF or between an ODF and an RRU. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Table 3-5 Labels on and recommended connections for optical fibers of a fiber optic cable between RRUs Label Connected To CPRI RX port on RRU 1 CPRI TX port on RRU 1 Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Rru Rf Jumper

    RRUs so that the base station can monitor the operating status of external devices. Exterior An alarm cable has a DB9 connector at one end and eight cord end terminals at the other end, as shown in Figure 3-8. Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 RS485 X1.6 White or Twisted APM RX- green pair cable X1.8 Green APM RX+ X1.5 White or Twisted APM TX- brown pair cable X1.3 Brown APM TX+ Issue 01 (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

Table of Contents