Huawei DBS3900 Hardware Description
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Summary of Contents for Huawei DBS3900
- Page 1 DBS3900 V100R005C00 RRU3252/RRU3256 Hardware Description Issue Draft A 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.
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Page 3: About This Document
1 Change History This chapter describes changes in the RRU3252/RRU3256 Hardware Description. 2 RRU Introduction This chapter describes the RRU. 3 RRU Cables This chapter describes RRU cables. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 4 The command conventions that may be found in this document are defined as follows. Convention Description Boldface The keywords of a command line are in boldface. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
- Page 5 Press the keys in turn. For example, pressing Alt, A means the two keys should be pressed in turn. Mouse Operations The mouse operations that may be found in this document are defined as follows. Issue Draft A (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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 7: Table Of Contents
3.7 SFP High-Speed Cable for Cascaded RRUs....................18 3.8 RRU RF Jumper...............................18 3.9 RRU AISG Multi-Wire Cable..........................19 3.10 RRU AISG Extension Cable..........................20 4 RRU Auxiliary Devices......................22 4.1 IFS06................................23 4.2 OCB..................................24 Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 8: Change History
DBS3900 RRU3252/RRU3256 Hardware Description 1 Change History Change History This chapter describes changes in the RRU3252/RRU3256 Hardware Description. Draft A (2012-11-30) This is a draft. Issue Draft A (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 Draft A (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 Draft A (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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 12: Rru Indicators
Status Description Green Steady on There is power supply, but the module is faulty. Steady off There is no power supply, or the module is faulty. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 13 Steady red An optical module fails to transmit or receive signals possibly because the optical module is faulty or the optical fiber cable is broken. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
- Page 14 Steady off The SFP module is not properly installed, or the optical module is powered off. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 15: Rru Cables
It connects an RRU and a remote control unit (RCU) to transmit control signals from an eNodeB to the remote electrical tilt (RET) antenna. When the RRU is connected to the RET antenna, an AISG multi-wire cable transmits RS485 signals. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 16 RRU and the RCU. In this case, an AISG extension cable is used to extend the AISG multi-wire cable for transmitting RS485 signals. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 17: Rru Cable List
3.7 SFP High- SFP20 male CPRI1 port on SFP20 male CPRI0 port on Speed Cable connector the RRU connector the RRU for Cascaded RRUs (optional) Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 18: Rru Pgnd Cable
PGND cable. Figure 3-1 PGND cable (1) OT terminal (M6) (2) OT terminal (M8) OT terminals must be added to both ends of a PGND cable onsite. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 19: Rru Power Cable
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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 20 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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 21: Cpri Fiber Optic Cable
RRUs, the optical fibers on both RRU sides are 0.03 m (0.0012 in.) long. Figure 3-5 shows the connections for a CPRI fiber optic cable between a BBU and an RRU. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 22 RRU side and ODF side are 0.03 m (0.013 in.) and 0.8 m (0.031 in.) long, respectively. Figure 3-7 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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
- Page 23 Table 3-6 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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 24: Rgps Jumper
Figure 3-8 RGPS jumper (1) DB15 waterproof connector (2) Round 12-pin connector Pin Assignment Table 3-8 describes the pin assignment for the wires of the RGPS jumper. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 25: Sfp High-Speed Cable For Cascaded Rrus
SFP high-speed cable for cascaded RRUs. Figure 3-9 SFP high-speed cable for cascaded RRUs 3.8 RRU RF Jumper A 1/2" RRU RF jumper transmits and receives RF signals. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 26: Rru Aisg Multi-Wire Cable
AISG female connector at the other end, as shown in Figure 3-11. Figure 3-11 AISG multi-wire cable 1. DB9 waterproof male connector 2. Standard AISG female connector Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 27: Rru Aisg Extension Cable
An AISG extension cable has a standard AISG male connector at one end and a standard AISG female connector at the other end, as shown in Figure 3-12. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 28 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 Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 29: Rru Auxiliary Devices
Power cables shipped with RRUs cannot support long-distance power supply. Therefore, when power supply is far from the equipment, cables with large core diameters are used, and an OCB connects these cables and RRU power cables. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 30: Ifs06
RRUs. Structure The IFS06 consists of the main frame, cable tray, upper and lower adjustable beams, and front and rear feet, as shown in Figure 4-2. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 31: Ocb
Power cables shipped with RRUs cannot support long-distance power supply. Therefore, when power supply is far from the equipment, cables with large core diameters are used, and an OCB connects these cables and RRU power cables. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 32 OCB. Figure 4-3 Application scenario of an OCB For details about the structure, functions, installation, and maintenance of an OCB, see the OCB User Guide. Issue Draft A (2012-11-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.