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DRH3980A&3909A&3918A& 
3918B&3921A&3921B&3926A 
Hardware Description 

About This Document 

 

Issue DraftA (2013-08-10) 

Huawei Proprietary and Confidential                                     

Copyright © Huawei Technologies Co., Ltd.. 

ii 

 

 

 

About This Document 

Purpose 

This document provides reference for planning and deploying a DC DRH. It presents the 
exterior and describes the ports, functions, cable types, connector specifications, and cable 
connections of the DRH. 

Product Versions 

The following table lists the product versions related to this document. 

Product Name 

Product Version 

DBS3900 IBS 

V100R001C02 

Scope of application 

The following table lists the DRH related to this document. 

DRH Name 

DRH Version 

DRH3980A 

V100R001C02 

DRH3909A 

V100R001C02 

DRH3918A 

V100R001C02 

DRH3918B 

V100R001C02 

DRH3921A 

V100R001C02 

DRH3921B 

V100R001C02 

DRH3926A 

V100R001C02 

Intended Audience 

This document is intended for: 

Summary of Contents for DBS3900 IBS

Page 1: ...DBS3900 IBS V100R001C02 DRH3980A 3909A 3918A 3918B 3921A 3921B 3926A Hardware Description Issue Draft A Date 2013 08 10 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...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 Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subje...

Page 3: ...e ports functions cable types connector specifications and cable connections of the DRH Product Versions The following table lists the product versions related to this document Product Name Product Version DBS3900 IBS V100R001C02 Scope of application The following table lists the DRH related to this document DRH Name DRH Version DRH3980A V100R001C02 DRH3909A V100R001C02 DRH3918A V100R001C02 DRH391...

Page 4: ...gineers Organization 1 Changes in the DRH3908A 3909A 3918A 3918B 3921A 3921B 3926A Hardware Description This chapter describes the changes in the DRH3980A 3909A 3918A 3918B 3921A 3921B 3926A Hardware Description 2 DRH Introduction This chapter describes the function and exterior of the DRH as well as the ports and indicators on the DRH 3 DRH Cables This chapter describes DRH cables 4 DRH Auxiliary...

Page 5: ... Intended Audience ii Organization iii Contents iv 1 Changes in the DRH3980A 3909A 3918A 3918B 3921A 3921B 3926A Hardware Description 1 2 DRH Introduction 2 2 1 DRH Exterior 2 2 2 DRH Functions 3 2 3 DRH Technical Specifications 4 2 4 DRH Ports 4 2 5 DRH Indicators 6 3 DRH Cables 9 3 1 DRH Cable List 9 3 2 DRH PGND Cable 10 3 3 DRH Power Cable 10 3 4 DRH Alarm Cable 12 3 5 CPRI Fiber Optic Cable 1...

Page 6: ...921A 3921B 3926A Hardware Description Contents Issue DraftA 2013 08 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd v 5 Appendix 20 5 1 U S A Regulatory Compliance 20 5 2 Canada Regulatory Compliance 21 ...

Page 7: ...ion Issue DraftA 2013 08 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 1 1 Changes in the DRH3980A 3909A 3918A 3918B 3921A 392 1B 3926A Hardware Description This chapter describes the changes in the DRH3980A 3909A 3918A 3918B 3921A 3921B 3926A Hardware Description Issue Draft A 2013 08 10 This is the Draft A version ...

Page 8: ...onfidential Copyright Huawei Technologies Co Ltd 2 2 DRH Introduction This chapter describes the function and exterior of the DRH as well as the ports and indicators on the DRH 2 1 DRH Exterior This section describes the exterior and dimensions of an DRH Figure 2 1 shows an DRH Figure 2 1 DRH exterior Figure 2 2 shows DRH dimensions ...

Page 9: ...tenna system down converts the signals to intermediate frequency IF signals amplifies the IF signals and performs analog to digital conversion The transmit TX channel filters downlink signals performs digital to analog conversion and up converts RF signals to the TX band Multiplexes receive RX and TX signals on the RF channel which enables these signals to share the same antenna path It also filte...

Page 10: ...ted modes frequency bands RF specifications engineering specifications and antenna capabilities For details about technical specifications of an DRH see section Technical Specifications in the DBS3900 IBS V100R001C02 Product Description 2 4 DRH Ports This section describes ports on the DRH panels An DRH has a bottom panel cabling cavity panel and indicator panel 2 4 1 2T2R DRH Ports Table 2 1 DRH ...

Page 11: ...describes ports and indicators on the 2T2R DRH panels Table 2 2 Ports and indicators on 2T2R DRH panels Item Silkscreen Description 1 Ports in the cabling cavity RTN Power supply socket NEG CPRI0 Optical electrical port 0 CPRI1 Optical electrical port 1 2 Ports at the bottom ANT_TX RXA TX RX port A ANT_TX RXB TX RX port B EXT_ALM Port for alarm reporting RET Not use in C02 version 3 Indicators RUN...

Page 12: ...dule is faulty Steady off There is no power supply or the module is faulty Blinking on for 1s and off for 1s The module is running properly Blinking on for 0 125s and off for 0 125s Software is being loaded to the module or the module is not started ALM Red Steady on Alarms are generated and the module must be replaced Blinking on for 1s and off for 1s Alarms are generated The alarms may be caused...

Page 13: ...s over CPRI ports Steady off The optical module cannot be detected or the CPRI cable is not connected properly CPRI1 Red or green Steady green The CPRI link is functioning properly Steady red An optical module fails to transmit or receive signals because the optical module is faulty or the fiber optic cable is broken Blinking red on for 1s and off for 1s The CPRI link is out of lock because of fai...

Page 14: ...Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 Directional Outdoor Antenna Frequency 698MHz to 2700MHz Maximum gain 11 4dBi Dual polarized Omnidirectional Ceiling Antenna Frequency 698MHz to 2700MHz Maximum gain 5dBi Dual polarized Wall Mount Antenna Frequency 698MHz to 2700MHz Maximum gain 9dBi ...

Page 15: ...rminal on the DRH OT terminal M8 16 mm2 or 0 025 in 2 Ground terminal on the ground bar 3 3 DRH Power Cable Tool less female connector press fit type NEG and RTN ports on the DRH Tool less female connector pressfit type One of DRH0 to DRH5 ports on the EPU One of LOAD0 to LOAD5 ports on the DCDU 11B 3 4 DRH Alarm Cable Waterproofed DB15 male connector EXT_ALM port on the DRH Cord end terminal Exte...

Page 16: ...end Figure 3 1 shows an DRH PGND cable Figure 3 1 PGND cable 1 OT terminal M6 16 mm2 or 0 025 in 2 2 OT terminal M8 16 mm2 or 0 025 in 2 If the customer prepares the PGND cable a copper core cable with a cross sectional area of 16 mm2 0 025 in 2 or larger is recommended One OT terminal must be added to each end of the PGND cable onsite You can determine the color of the cable and whether to use co...

Page 17: ...ctional areas 3 3 mm2 0 005 in 2 12 AWG complying with North American standards and 4 mm2 0 006 in 2 complying with European standards An DRH power cable has a tool less female connector pressfit type at one end and a bare wire at the other end A corresponding terminal is added to the bare wire based on the requirements of the connector on the external power device as shown in Figure 3 3 Figure 3 ...

Page 18: ...r An alarm cable has a waterproofed DB15 male connector at one end and eight cord end terminals at the other end as shown in Figure 3 4 Figure 3 4 Alarm cable 1 Waterproofed DB15 male connector 2 Cord end terminal Pin Assignment Table 3 3 describes the pin assignment for the wires of an DRH alarm cable Table 3 3 Pin assignment for the wires of an DRH alarm cable DRH Alarm Port Pin of the Waterpro ...

Page 19: ...istance between a DPC and an DRH or the distance between interconnected DRHs is longer than 100 m 328 08 ft A single mode fiber optic cable connects a DPC to an ODF or connects an ODF to an DRH Exterior Figure 3 5 shows a fiber optic cable between a DPC and an DRH or between DRHs with a DLC connector at each end Figure 3 5 Fiber optical cable between a DPC and an DRH or between DRHs 1 DLC connecto...

Page 20: ... the other end Figure 3 7 Single mode fiber optic cable between a DPC and an ODF or between an ODF and an DRH 1 DLC connector 2 Branch optical fiber 3 Label on the branch optical fiber 4 FC connector When a single mode fiber optic cable connects a DPC and an ODF the optical fibers on the DPC side and ODF side are 0 34 m 0 013 in and 0 8 m 0 031 in long respectively When a single mode fiber optic c...

Page 21: ... DRH ACPRI fiber optic cable must be connected to optical modules in the CPRI ports Amulti mode fiber optic cable and single mode fiber optic cable are connected to multi mode optical modules and single mode optical modules respectively Pin Assignment Table 3 4 Table 3 5 and Table 3 6 describe the labels on and recommended connections for fiber optic cables of an optical assembly Table 3 4 Labels ...

Page 22: ... ODF and an DRH Label Connected To 1A RX port on the DPC or CPRI RX port on the DRH 1B TX port on the DPC or CPRI TX port on the DRH 2A ODF 2B ODF 3 6 DRH RF Jumper The 1 2 DRH RF jumper transmits and receives RF signals between an DRH and an antenna A fixed length RF jumper used by an DRH is 2 m 6 56 ft 3 m 9 84 ft 4 m 13 12 ft 6 m 19 68 ft or 10 m 32 81 ft long A variable length RF jumper used b...

Page 23: ...DRH3980A 3909A 3918A 3918B 3921A 3921B 3926A Hardware Description 3 DRH Cables Issue DraftA 2013 08 10 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 17 Figure 3 9 RF jumper ...

Page 24: ...l Copyright Huawei Technologies Co Ltd 18 4 DRH Auxiliary Devices This chapter describes DRH auxiliary devices 4 1 IFS06 An Indoor Floor installation Support IFS06 is used for installing indoor DRHs Exterior Figure 4 1 shows an IFS06 Figure 4 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 ...

Page 25: ... 19 Function It can be installed on the ground It supports the installation of six DRHs The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of DRHs Specifications Table 4 1 describes IFS06 specifications Table 4 1 IFS06 specifications 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 ...

Page 26: ... designed to provide reasonable protection against harmful interference in a residential installation This device generates uses and radiates radio frequency energy If it is not installed and used in accordance with the instructions it may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this device do...

Page 27: ...ux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autorisé e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radioé lectrique subi mê me si le brouillage est susceptible d en compromettre le fonctionnement 5 2 2 RSS 102 statement The device meets the exemption ...

Page 28: ...inal passband gain is 37dB b The nominal bandwidth of band 2600M DRH3926A is 73 07MHz c The rated mean output power is 2 20W d The input and output impedance are 50Ω e The following notice The Manufacture s rated output power of this equipment is for single carrier operation For situations when multiple carrier signals are present the rating would have to be reduced by 3 5dB especially where the o...

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