RU3832&RU3632 Hardware Description Issue 03 Date 2014-01-20 HUAWEI TECHNOLOGIES CO., LTD.
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RRU3832&RRU3632 Hardware Description About This Document About This Document Purpose This document provides reference for planning and deploying DC blade RU3832 and RU3632 (referred to as RU in this document). It presents the exterior and describes the ports, functions, cable types, connector specifications, and cable connections of the RU. Product Versions The following table lists the product versions related to this document for RU3832. Product Name Solution Version Product Version DBS3900 SRAN6.
RRU3832&RRU3632 Hardware Description About This Document Organization 1 Changes in RU3832&RU3632 Hardware Description This chapter describes the changes in RU3832&RU3632 Hardware Description. 2 RU Introduction This chapter describes the exterior and function of the RU as well as the ports and indicators on the RU. 3 RU Cables This chapter describes RU cables. 4 RF Cable Connections for the RU3832&RU3632 RF cable connections for the RU vary depending on the configurations of the RU and antenna.
RRU3832&RRU3632 Hardware Description About This Document General Conventions Convention Description Times New Roman Normal paragraphs are in Times New Roman. Boldface Names of files, directories, folders, and users are in boldface. For example, log in as user root. Italic Book titles are in italics. Courier New Terminal display is in Courier New. Command Conventions Convention Description Boldface The keywords of a command line are in boldface. Italic Command arguments are in italics.
RRU3832&RRU3632 Hardware Description About This Document Format Description Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt+A means the three keys should be pressed concurrently. Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A means the two keys should be pressed in turn. Mouse Operation Action Description Click Select and release the primary mouse button without moving the pointer.
RRU3832&RRU3632 Hardware Description Contents Contents About This Document .................................................................................................................... ii 1 Changes in RU3832&RU3632 Hardware Description ............................................................ 1 2 RU Introduction............................................................................................................................. 2 2.1 RU Exterior............................................
RRU3832&RRU3632 Hardware Description 1 1 Changes in RU3832&RU3632 Hardware Description Changes in RU3832&RU3632 Hardware Description This chapter describes the changes in RU3832&RU3632 Hardware Description. 03 (2014-01-20) This is the third official release. Compared with issue 02 (2013-07-30), this issue includes the following new information: 4 RF Cable Connections for the RU3832&RU3632. Compared with issue 02 (2013-07-30), this issue does not include any changes.
RRU3832&RRU3632 Hardware Description 2 RU Introduction 2 RU Introduction About This Chapter This chapter describes the exterior and function of the RU as well as the ports and indicators on the RU. 2.1 RU Exterior This section describes the exterior and dimensions of an RU. 2.2 RU Functions This section describes the main functions of the RU. 2.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Figure 2-1 RU exterior Figure 2-2 shows RU dimensions. Figure 2-2 RU dimensions 2.2 RU Functions This section describes the main functions of the RU. The Remote Radio Unit (RU) consists of the high-speed interface unit, signal processing unit, power amplifier, duplexer, extension ports, and power module. Figure 2-3 shows the function structure of the RU.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Figure 2-3 Function structure of the RU For details about the extension ports, see 2.4 RU Ports. The RU performs the following functions: Receives downlink baseband data from the BBU and sends uplink baseband data to the BBU. Receives RF signals from the antenna system, down-converts the signals to intermediate frequency (IF) signals, amplifies the IF signals, and performs analog-to-digital conversion.
RRU3832&RRU3632 Hardware Description 2 RU Introduction 2.4 RU Ports This section describes ports on the RU panels. An RU has a bottom panel, cabling cavity panel, and indicator panel. Figure 2-4 shows the ports on the RU panels. Figure 2-4 Ports on the RU panels Table 2-1 describes ports and indicators on the RU panels.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Item (3) Indicators Silkscreen Remarks ANT_RXD Port RX port D ANT_TX/RXB TX/RX port B EXT_ALM Alarm monitoring port used for monitoring one RS485 signal and two dry contact signals RET Communication port for the RET antenna, supporting RET signal transmission RUN See 2.5 RU Indicators. ALM ACT VSWR CPRI0 CPRI1 The port for transmitting RET signals is determined by the software.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Product Version TX/RX Channe l Number of Used RF Ports 2T4R DBS3900 LTE V100R006C00 and later versions Usage Remarks ANT_TX/RXB, ANT_RXC, and ANT_RXD are used together for one sector, with ANT_TX/RXA and ANT_RXC combined and ANT_TX/RXB and ANT_RXD combined. sector 2x 1T2R 4 ANT_TX/RXA and ANT_RXC are used for one sector; ANT_TX/RXB and ANT_RXD are used for the other sector.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Figure 2-5 shows the recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R013C00. Figure 2-5 Recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R013C00 Figure 2-6 shows the recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R014C00 and later versions. Issue 03 (2014-01-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Figure 2-6 Recommended usage of the RF ports on an RU3832 used for DBS3900 WCDMA V200R014C00 and later versions Figure 2-7 shows the recommended usage of the RF ports on RU3832 and RU3632 used for DBS3900 LTE V100R006C00 and later versions. Issue 03 (2014-01-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
RRU3832&RRU3632 Hardware Description 2 RU Introduction Figure 2-7 Recommended usage of the RF ports on RU3832 and RU3632 used for DBS3900 LTE V100R006C00 and later versions 2.5 RU Indicators This section describes six indicators on an RU. They indicate the running status. For detailed positions of RU indicators, see 2.4 RU Ports. Table 2-4 describes RU indicators. Table 2-4 RU indicators Indicator Color Status Meaning RUN Green Steady on There is power supply, but the module is faulty.
RRU3832&RRU3632 Hardware Description Indicator ACT VSWR CPRI0 CPRI1 2 RU Introduction Color Green Red Red or green Red or green Status Meaning Steady off No alarm is generated. Steady on The module is running properly with TX channels enabled or the software is being loaded without RU running. Blinking (on for 1s and off for 1s) The module is running properly with TX channels disabled. Steady off No Voltage Standing Wave Ratio (VSWR) alarm is generated.
RRU3832&RRU3632 Hardware Description 2 RU Introduction The exteriors of an optical module and the label on an optical module in this section are for reference only. The actual exteriors may be different. Exterior The following figure shows the exterior of an optical module. Figure 2-8 Exterior of an optical module Label on an optical module There is a label on each optical module, which provides information such as the rate, wavelength, and transmission mode, as shown in the following figure.
RRU3832&RRU3632 Hardware Description 3 RU Cables 3 RU Cables About This Chapter This chapter describes RU cables. 3.1 RU Cable List This section describes RU cable connections. 3.2 RU PGND Cable An RU PGND cable connects an RU and a ground bar, ensuring the proper grounding of the RU. The maximum length of an RU PGND cable is 8 m (26.25 ft). 3.3 RU Power Cable The RU power cable is a -48 V DC shielded cable. It feeds -48 V DC power to an RU.
RRU3832&RRU3632 Hardware Description 3 RU Cables When the distance between an RU and an RCU is longer than 5 m (16.4 ft), an AISG multi-wire cable is not long enough to connect the RU and the RCU. In this case, an AISG extension cable is used to extend the AISG multi-wire cable for transmitting RS485 signals. The length of the AISG extension cable is 15 m (49.21 ft). 3.1 RU Cable List This section describes RU cable connections. Table 3-1 lists RU cables.
RRU3832&RRU3632 Hardware Description 3 RU Cables Cable One End Connector The Other End Installation Position Connector Cable Installation Position extension cable 3.8 RU AISG Extension Cable Standard AISG male connector Standard AISG female connector on the AISG multi-wire cable Standard AISG female connector Standard AISG male connector on the RCU 3.2 RU PGND Cable An RU PGND cable connects an RU and a ground bar, ensuring the proper grounding of the RU.
RRU3832&RRU3632 Hardware Description 3 RU Cables 3.3 RU Power Cable The RU power cable is a -48 V DC shielded cable. It feeds -48 V DC power to an RU. The length of power supply that an RU power cable supports is 100 m (328.08 ft) by default. The maximum length of power supply that an RU power cable supports is 150 m (492.12 ft). Contact Huawei engineers when an RU power cable greater than 50 m (164.04 ft) is required.
RRU3832&RRU3632 Hardware Description 3 RU Cables 3.4 RU Alarm Cable The RU alarm cable, a shielded straight-through cable, transmits alarm signals from an external device to an RU so that the base station monitors the operating status of external devices. The RU alarm cable is 5 m (16.4 ft). Exterior An alarm cable has a DB15 waterproof male connector at one end and eight cord end terminals at the other end, as shown in Figure 3-4.
RRU3832&RRU3632 Hardware Description 3 RU Cables RU Alarm Port Pin of the Waterpro ofed DB15 Male Connecto r Color X1.11 Green X1.13 White and brown X1.14 Brown Type Twisted pair Cord End Terminal Description X7 APM RX+ X8 APM TX- X9 APM TX+ 3.5 CPRI Fiber Optic Cable CPRI fiber optic cables are classified into multimode fiber optic cables and single-mode fiber optic cables. They transmit CPRI signals. Multimode fiber optic cables connect the BBU and RU or interconnect two RUs.
RRU3832&RRU3632 Hardware Description 3 RU Cables When a multimode fiber optic cable connects a BBU and an RU, the breakout cable on the BBU side is 0.34 m (1.12 ft) and the breakout cable on the RU side is 0.03 m (0.098 ft). When a multimode fiber optic cable connects two RUs, the breakout cable on both sides is 0.03 m (0.098 ft). Figure 3-6 shows the connection of the multimode fiber optic cable between a BBU and an RU.
RRU3832&RRU3632 Hardware Description 3 RU Cables Figure 3-7 Single-mode pigtail (1) DLC connector (2) Breakout cable (3) Label on the breakout cable (4) FC connector (5) LC connector (6) SC connector When a single-mode pigtail connects a BBU and an ODF, the breakout cables on the BBU side and ODF side are 0.34 m (1.12 ft) and 0.8 m (2.62 ft), respectively. When a single-mode pigtail connects an RU and an ODF, the breakout cables on the RU side and ODF side are 0.03 m (0.098 ft) and 0.8 m (2.
RRU3832&RRU3632 Hardware Description 3 RU Cables an ODF an ODF Selection Principles The following table describes the principles for selecting CPRI fiber optic cables. Table 3-4 Principles for selecting CPRI fiber optic cables Remote Distance Selection Principle Remarks Less than or equal to 100 m (328.08 ft) Multimode fiber optic cable Connects the BBU and RU Greater than 100 m (328.08 ft) and equal to or less than 150 m (492.
RRU3832&RRU3632 Hardware Description 3 RU Cables Label Installation Position Multimode Fiber Optic Cable Between a BBU and an RU Multimode Fiber Optic Cable Between Two RUs Single-Mode Pigtail 2A TX port on the BBU CPRI TX port on RU 0 ODF 2B RX port on the BBU CPRI RX port on RU 0 ODF 3.6 RU RF Jumper The 1/2" RU RF jumper transmits and receives RF signals between an RU and an antenna. A fixed-length RF jumper used by an RU is 2 m (6.56 ft), 3 m (9.84 ft), 4 m (13.12 ft), 6 m (19.
RRU3832&RRU3632 Hardware Description 3 RU Cables 3.7 RU AISG Multi-Wire Cable An RU AISG multi-wire cable connects an RU and an RCU to transmit control signals from a base station to an RET antenna. When the RU is connected to the RET antenna, an AISG multi-wire cable transmits RS485 signals. The length of the AISG multi-wire cable is 5 m (16.40 ft). An RCU is a driving motor used for the phase shifter in the RET antenna.
RRU3832&RRU3632 Hardware Description 3 RU Cables X1 End (Pin of the Waterproofed DB9 Male Connector) X2 End (Pin of the Standard AISG Female Connector) Color Type Description X1.9 and X1.4 are interconnected. - - - GND - X2.1 and X2.6 are interconnected. - - +12 V - X2.4 and X2.7 are interconnected. - - GND 3.8 RU AISG Extension Cable When the distance between an RU and an RCU is longer than 5 m (16.4 ft), an AISG multi-wire cable is not long enough to connect the RU and the RCU.
RRU3832&RRU3632 Hardware Description 3 RU Cables Table 3-7 Pin assignment for the wires of an AISG extension cable X1 End (Pin of the Standard AISG Male Connector) X2 End (Pin of the Standard AISG Female Connector) Color Type Description X1.1 X2.1 White and blue Twisted pair +12 V Twisted pair DC Return Twisted pair RS485 B Blue X1.7 X2.7 White and orange Orange X1.3 X2.3 White and green X1.5 X2.5 Green X1.6 X2.
RRU3832&RRU3632 Hardware Description 4 RF Cable Connections for the RU3832&RU3632 4 RF Cable Connections for the RU3832&RU3632 RF cable connections for the RU vary depending on the configurations of the RU and antenna. Description of RF Cable Connections This section describes the RF cable connections for the RU serving a single sector. The following table lists the RF cable connections for the RU.
RRU3832&RRU3632 Hardware Description 4 RF Cable Connections for the RU3832&RU3632 Illustration of Cable Connections Figure 4-1 RF cable connections for the RU Issue 03 (2014-01-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
RRU3832&RRU3632 Hardware Description 5 RU Auxiliary Devices 5 RU Auxiliary Devices About This Chapter This chapter describes RU auxiliary devices. 5.1 IFS06 An Indoor Floor installation Support (IFS06) is used for installing indoor RUs. 5.2 OCB An Outdoor Cable Conversion Box (OCB) interconnects cables of different core diameters. Power cables shipped with RUs cannot support long-distance power supply.
RRU3832&RRU3632 Hardware Description 5 RU Auxiliary Devices Figure 5-1 IFS06 (1) Cable tray (2) Ground bar 2 (3) Rear foot (4) Front foot (5) Adjustable beam (6) Ground bar 1 (7) Main frame - Function It can be installed on the ground. The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of RUs.
RRU3832&RRU3632 Hardware Description 5 RU Auxiliary Devices Item Specification Dimensions (H x W x D) 1730 mm (79 in.) x 600 mm (23.62 in.) x 600 mm (23.62 in.) Weight 45 kg (99.23 lb) 5.2 OCB An Outdoor Cable Conversion Box (OCB) interconnects cables of different core diameters. Power cables shipped with RUs cannot support long-distance power supply.
