Zte ZXSDR R8978 User Manual Download Page 11

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Chapter 2 Product Overview

Figure 2-2 External View

2.4 Product Specifications

The ZXSDR R8978 is an eight-channel

RRU

that an be used for networking

LTE

macro

cells.

In this manual, all the descriptions for the ZXSDR R8978 are applicable to the following

specifications unless specially stated:

ZXSDR R8978 S2300

ZXSDR R8978 S2600

ZXSDR R8978 S2600M

2.4.1 ZXSDR R8978 S2300

For the key features of the ZXSDR R8978 S2300, refer to

Table 2-1

Table 2-1 Key Features of the ZXSDR R8978 S2300

Item

Description

Radio access mode

LTE

Frequency band

2300 MHz~2400 MHz

Antenna

Supports 4×4

MIMO

dual TRX channels.

Maximum number of carriers

LTE

: 4×20 MHz

2-3

SJ-20140808143736-001|2014-10-30 (R1.1)

ZTE Proprietary and Confidential

Summary of Contents for ZXSDR R8978

Page 1: ... Path Remote Radio Unit User Manual Version V5 10 ZTE CORPORATION No 55 Hi tech Road South ShenZhen P R China Postcode 518057 Tel 86 755 26771900 Fax 86 755 26770801 URL http support zte com cn E mail support zte com cn ...

Page 2: ... CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject matter of this document Except as expressly provided in any written license between ZTE CORPORATION and its licensee the user of this do...

Page 3: ... Structure 3 1 3 2 Composition 3 2 3 3 LED Indicators 3 3 3 4 Physical Interfaces and Cables 3 5 3 4 1 Protective Grounding Cable 3 5 3 4 2 DC Power Input Cable 3 6 3 4 3 LMT TST Interface Cable 3 9 3 4 4 Optical Fiber 3 10 3 4 5 Antenna Feeder Interface Cable 3 11 3 4 6 CAL AISG Interface Cable 3 13 3 4 7 EAM RGPS Interface Cable 3 14 3 5 External Cable Connection 3 14 3 6 Software Composition 3 ...

Page 4: ...ction Box 5 6 Chapter 6 Technical Specifications 6 1 6 1 Physical Specifications 6 1 6 2 Performance Indexes 6 1 6 3 Power Consumption 6 2 6 4 Reliability Indexes 6 2 6 5 Grounding Requirement 6 3 6 6 Lightening and Surge Protection 6 3 Chapter 7 Environment Requirements 7 1 7 1 Power Supply Requirements 7 1 7 2 Operating Environment 7 1 7 3 Storage Environment 7 2 Figures I Tables III Glossary V ...

Page 5: ... and software composition of the ZXSDR R8978 Chapter 4 Operation and Maintenance Provides the technical support contact information power on and power off flow and component replacement methods Chapter 5 Accessory Devices Describes the accessory devices including junction box and AC power lightening protection box and the replacement methods Chapter 6 Technical Specifications Provides the technica...

Page 6: ...dous situation Failure to comply can result in moderate injury equipment damage or interruption of minor services Note provides additional information about a topic II SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 7: ...not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Operation of this equipment in a residential area is likely to cause harmful interference in which case...

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Page 9: ...R8978 is an eight path TD LTE RRU with high power It operates with a BBU to cover new outdoor sites The ZXSDR R8978 works with a BBU to compose a complete eNodeB and implement the functions such as radio transmission in the coverage area and radio channel control Figure 2 1 illustrates the position of the ZXSDR R8978 in a LTE network Figure 2 1 Position of the RRU in a Network 2 1 SJ 2014080814373...

Page 10: ...saving technologies such as slot based power saving and voltage regulation power saving Multi Carrier MIMO BF and High Performance l Supports multiple frequency bands such as 2 3 GHz 2 6 GHz to satisfy the requirements of various operators l Supports flexible configuration of up to TD LTE 4x20 MHz multi carriers to fully and flexibly utilize the operators spectrum High Output Power Up to 160 W 8x2...

Page 11: ...cations unless specially stated l ZXSDR R8978 S2300 l ZXSDR R8978 S2600 l ZXSDR R8978 S2600M 2 4 1 ZXSDR R8978 S2300 For the key features of the ZXSDR R8978 S2300 refer to Table 2 1 Table 2 1 Key Features of the ZXSDR R8978 S2300 Item Description Radio access mode TD LTE Frequency band 2300 MHz 2400 MHz Antenna Supports 4 4 MIMO dual TRX channels Maximum number of carriers TD LTE 4 20 MHz 2 3 SJ 2...

Page 12: ...Maximum number of carriers TD LTE 3 20 MHz Signal bandwidth 60 MHz Maximum power output in each channel 25 W Power input DC 48 V DC AC 100 V AC 110 V AC 220 V AC 2 4 3 ZXSDR R8978 S2600M For the key features of the ZXSDR R8978 S2600M refer to Table 2 3 Table 2 3 Key Features of the ZXSDR R8978 S2600M Item Description Radio access mode TD LTE Frequency band MHz Antenna Smart Antenna RET 8 path tran...

Page 13: ...BBU BBU performs the functions such as GPS synchronization main control and baseband processing Logical interface Ir interface Physical interface optical fiber interface UE UE accomplishes the Uu interface functions of transmitting voice and data services Logical interface Uu interface Physical interface none User device External environment monitoring device Logical interface not standardized Phy...

Page 14: ...tion Modes The ZXSDR R8978 supports three installation modes l A single RRU mounted on a pole l Two RRUs mounted on a pole l Mounted on a wall l Mounted on slot steel l Mounted on angle steel 2 7 Typical Networking Applications The ZXSDR R8978 supports the following networking solutions l Chain networking Chain networking applies to strip shaped areas with sparse population where optical fibers ca...

Page 15: ...signal passes through fewer intermediate links along the transmission path the link reliability is much higher Figure 2 5 shows a star networking solution Figure 2 5 Star Networking 2 7 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

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Page 17: ... Table 3 1 Subsystem Description Name Type Function RRU software subsystem Software subsystem Provides the system operating system and OM functions Transceiver Hardware subsystem l Power interface l Optical interface l Control functions l Clock functions l DIF l TRX 8T8R filter unit Hardware subsystem Eight channel filter Structure subsystem Structure subsystem Provides equipment protection heat d...

Page 18: ...ance cavity contains one DC power interface two optical interfaces OPT1 and OPT2 one RRU LMT test interface LAM TST l The equipment has six LED indicators l A handle is installed on the upper shell to facilitate installation and transportation l At the bottom of the equipment there are eight antenna interfaces ANT1 ANT8 one hermetic seal breathable valve one antenna calibration interface CAL AISG ...

Page 19: ...erform commissioning and maintenance 3 3 LED Indicators An indicator indicates the operating status of a device Figure 3 3 shows the positions of the indicators Figure 3 3 LED Indicators Table 3 2 describes the LED indicators 3 3 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 20: ...interface 1 Green Flashing ON for 0 3 s and OFF for 0 3 s The optical interface has received optical signals and the link is synchronized OFF The optical interface does not receive optical signals ON The optical interface has received optical signals and the link is not synchronized OPT2 Indicator of optical interface 2 Green Flashing ON for 0 3 s and OFF for 0 3 s The optical interface has receiv...

Page 21: ... The OT terminal can be connected to the 16 mm2 multi cores yellow green copper wire External View The protective grounding cable is a 16 mm2 yellow green cable Figure 3 4 shows the external view Figure 3 4 Protective Grounding Cable Connection End A is connected to the grounding interface of the ZXSDR R8978 End B is connected to the external grounding bar Note The connection area of the grounding...

Page 22: ... 2 DC Power Input Cable Function The DC power input interface is located in the operation and maintenance cavity of the ZXSDR R8978 The DC power input cable leads the external DC power into the operation and maintenance cavity of the ZXSDR R8978 It connects to the DC power through a dual core DC bracket and a dual core DC connector to provide 48 V DC power input for the RRU 3 6 SJ 20140808143736 0...

Page 23: ...g layer 3 48 V core 4 48 V GND core Signal Description Signal Name Signal Meaning Wire Color 48 V 48 V power Blue 48 V GND 48 V ground Black Connection If Then The junction box is not required if the indoor power lightening protection box is near to the ZXSDR R8978 and voltage drop can be ignored The indoor DC power distribution unit with a power switch connects to the lighting protection box of t...

Page 24: ...box each of which has an air switch and can be connected to an RRU Use the DC power supply with a junction box After the DC power cable is converted by the junction box it can be connected to the ZXSDR R8978 The junction box is not required because the AC power supply is low with a large voltage and voltage drop can be ignored Connect the indoor AC power distribution cabinet to the outdoor AC powe...

Page 25: ...ower supply l The two ends of the power cable must be made at the site 3 4 3 LMT TST Interface Cable Function The LMT TST interface is located in the operation and maintenance cavity It uses an RJ45 socket The LMT interface is used for the interaction between the LMT and ZXSDR R8978 through an Ethernet port using TCP IP TELNET command lines are supported Connection End A is connected to the LMT in...

Page 26: ...type optical fiber connectors are supported In the ZXSDR R8978 system the optical interfaces have the following functions l OPT1 and OPT2 can connect the RRU to an upstream BBU to carry the IQ data and communication signaling between the RRU and BBU l If the RRU serves as the upstream RRU one optical interface can be used to cascade a downstream RRU l If the RRU serves as the downstream RRU one op...

Page 27: ...e 3 10 illustrates the cable connection Figure 3 10 Connection of the Optical Fiber 3 4 5 Antenna Feeder Interface Cable Function The antenna feeder interface is located on the external filter at the equipment bottom It uses N type female connectors The antenna feeder interface cable connects the antenna interface of the ZXSDR R8978 to the antenna It is used for the signal receiving and transmissi...

Page 28: ...Antenna Feeder Interface Cable Connection End A is connected to the ANT interface of the ZXSDR R8978 End B is connected to the corresponding interface of the main antenna feeder The antenna feeder interface cable is a 1 2 inch jumper Figure 3 12 illustrates the cable connection Figure 3 12 Connection of the Antenna Feeder Interface Cable 3 12 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary a...

Page 29: ...terface integrates AISG and antenna calibration If an RET antenna is used the CAL interface of the ZXSDR R8978 is connected to the integrated interface of the antenna External View The CAL interface cable is an RF cable with a diameter of 1 2 in 1 in 25 4 mm Both ends are N type male connectors Figure 3 13 shows the external view Figure 3 13 CAL Interface Cable Connection End A is connected to the...

Page 30: ...enna Installed near the antenna the satellite card transmits the output digital signal to the clock main control card through a differential line Because digital signal transmission is not affected by RF signal attenuation the remote distance is long and good reliability and maintainability is ensured Connection End A is connected to the EAM interface of the ZXSDR R8978 End B is connected to the d...

Page 31: ...nterface for entire operation and maintenance Provides the following OAM functions configuration management version management performance statistics test management security management diagnostic test system control and communication processing l OSS Uses an SDR platform architecture Provides the functions such as scheduling management memory management and timer management l BSP 3 15 SJ 20140808...

Page 32: ...es a unified interface for the upper layer l OS Uses the Linux system independently developed by ZTE Figure 3 16 shows the software composition of the ZXSDR R8978 Figure 3 16 Software Composition 3 16 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 33: ... 4 2 Equipment Maintenance 4 3 Power On 4 4 Power Off 4 5 Parts Replacement 4 6 4 1 Technical Support ZTE technical support contract information is pasted in a conspicuous position in the equipment room see Figure 4 1 4 1 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 34: ... Alarms and Operation Logs This is the most common method for troubleshooting By checking the alarm management tab of the operation and maintenance system you can check the alarms and operation logs l Check and analysis of the current historical alarms and common notifications through the alarm management tab to find the abnormal status locating and handling faults 4 2 SJ 20140808143736 001 2014 1...

Page 35: ... you need to perform relevant operations in accordance with the replacement procedures described in this manual Self test The system performs a self test when it is powered on again During the self test the indicators flash in accordance with relevant rules You can locate faults by checking the indicators Integrated Method In actual operation all the methods can be used for troubleshooting You can...

Page 36: ...n in detail to ensure that all the installation results comply with the engineering installation specifications Figure 4 2 shows the power on flow Figure 4 2 Power on Flow For a description of the ZXSDR R8978 power on flow refer to Table 4 3 4 4 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 37: ...on the RRUs in the cell sequence every 30 s At the same time you can check whether the cables of a cell are connected properly through the BBU indicator 4 5 Power Off Power off of the ZXSDR R8978 includes l Emergency power off occurs when the equipment room is on fire flooding or in smog l Common power off occurs in some application scenarios for example equipment move or expected local power outa...

Page 38: ...acement all the cables must be reconnected to the place where they were Moisture proof antistatic bag and carton Stores the faulty ZXSDR R8978 Steps 1 Power off the ZXSDR R8978 2 Open the cover of the ZXSDR R8978 maintenance cavity by using the M5 screw driver 3 Paste a label at each end of every optical fiber 4 Remove the fix screws from the cable crimper by using the M5 screwdriver 5 Pull up the...

Page 39: ...ator is normal which means that services are restored The self test and replacement are successful The indicator is abnormal which means that services are not restored Troubleshoot the fault and handle the relevant alarms or contact ZTE technical support End of Steps 4 6 2 Replacing the Optical Module The optical module provides the optics and electrical conversion Replacing the optical module wil...

Page 40: ...the new optical module 7 Check whether the optical module is operating properly in accordance with the indicator status 8 Tighten the fiber clamp and close the maintenance cavity End of Steps 4 6 3 Replacing the RF Cable The RF cable transmits or receives RF signals Locate the faults through observation and analysis and ensure that whether to replace the RF cable Replacing the RF cable will interr...

Page 41: ... 3 Loosen the connectors of the RF cables by using the wrench 4 Put the faulty cable into the moisture proof antistatic bag Label the cable model sector ID and fault information on the bag Put the faulty cable into the carton and label the same information as the antisatic bag 5 Connect the proper RF cable in accordance with the previous connection see Figure 4 3 Figure 4 3 Connecting the RF cable...

Page 42: ... on the ZXSDR R8978 8 The ZXSDR R8978 performs the self test process after it is powered on During the self test you need to observe the indicator status and perform operations accordingly 4 10 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 43: ... restored The self test and replacement are successful The indicator is abnormal which means that services are not restored Troubleshoot the fault and handle the relevant alarms or contact ZTE technical support End of Steps 4 11 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

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Page 45: ...ply is far from the ZXSDR R8978 to avoid voltage drop a 2 10 mm2 DC power cable needs to be used To connect to the 2 4 mm2 DC power cable used by the ZXSDR R8978 the 2 10 mm2 DC power cable should be converted through the junction box External View Figure 5 1 shows the external view of the junction box Figure 5 1 Junction Box 5 1 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidenti...

Page 46: ... mounted installation the junction box can be installed at a side recommended or the front of the RRU through an adaptor For two RUUl pole mounted installation the junction box needs to be installed on the pole Figure 5 2 shows how to install the junction box at a side for example Figure 5 2 Junction Box Installation Interfaces and Cable Connection Figure 5 3 shows the interfaces and cable connect...

Page 47: ...wer Lightening Protection Box Function The outdoor AC power lightening protection box is PPC33 A009 It protects the AC current from lightening and coverts AC into the DC that is applicable for the ZXSDR R8978 External View Figure 5 4 shows the external view of the AC power lightening protection box 5 3 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 48: ...rotection Box Item Specification Height Width Depth 300 mm 250 mm 118 mm excluding the handle and waterproof cap Installation mode Pole mounted installation all mounted installation Lightening protection index 20 kA Installation Modes The AC power lightening protection box can be mounted on a pole or wall see Figure 5 5 5 4 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 49: ...n the AC power lightening protection box and connect the internal and external cables see Figure 5 6 Figure 5 6 Interfaces and Cable Connection Name Description 220 AC_L 220 V AC live line 220 AC_N 220 V AV neutral line 5 5 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 50: ...he pole mounted installation assemblies or fastens the anti theft screws M6 cross screwdriver Installs or uninstalls the mounting plate and cables of the outdoor AC power lighting protection box Waterproof tape Provides waterproof protection for the cable connectors Sticker Marks the connection of the cables to be replaced after the replacement all the cables must be reconnected to the place where...

Page 51: ...faulty equipment into the carton and label with the same information as the antisatic bag 5 Reinstall the proper AC power lighting protection box fasten the anti theft screws and install the mounting plate and cables Wrap the cables with the water proof tape 6 Power on the ZXSDR R8978 End of Steps 5 7 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

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Page 53: ...8 mm Weight 21 kg Volume 22 L 6 2 Performance Indexes Table 6 2 shows the performance indexes of the ZXSDR R8978 Table 6 2 Performance Indexes Item Index Dual polarized smart antenna a common antenna type Eight antenna circular array smart antenna Supported antenna types RET antenna Receiver sensitivity TD LTE 105 dBm per channel Frequency deviation 0 05 ppm Installation Supports installation in t...

Page 54: ...wer Consumption Table 6 3 shows the power consumption specifications of the ZXSDR R8978 Table 6 3 Power Consumption Specifications Item Power Consumption DL UL 2 2 400 W DL UL 3 1 580 W 6 4 Reliability Indexes For a description of the reliability indexes of the ZXSDR R8978 refer to Table 6 4 Table 6 4 Reliability Indexes Item Index Protection level IP66 Protection mode Cast shell MTBF 180000 h MTT...

Page 55: ...e must be less than 10 Ω 6 6 Lightening and Surge Protection Table 6 5 shows the lightening protection specification of the ZXSDR R8978 Table 6 5 Lightening Protection Specification Item Current Lightening protection specification 20 kA 6 3 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

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Page 57: ...ly 100 V AC 110 V AC 220 V AC fluctuation range 90 VAC to 290 V AC If the AC power supply is used the AC power needs to be converted into DC power through the AC power lightening protection box and then connected to the ZXSDR R8978 7 2 Operating Environment The ZXSDR R8978 can operate properly in the following conditions Climatic Environment Condition Item Description Lowed temperature 40 Highest ...

Page 58: ... Salt fog Allowed 7 3 Storage Environment To ensure normal operation after installation the ZXSDR R8978 should be stored in a package in a place with good protection Climatic Environment Condition Item Description Lowed temperature 55 Highest temperature 70 Lowest relative humidity 10 RH Highest relative humidity 100 RH Temperature change rate 1 min Lowest atmospheric pressure 70 kPa Highest atmos...

Page 59: ...t Condition Item Description Plants Mold and fungus are allowed Animals Rodents and other animals that damage the product are allowed except termites Chemical Substance Environment Condition Item Description Salt fog Allowed 7 3 SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

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Page 61: ...ion of the Optical Fiber 3 11 Figure 3 11 Antenna Feeder Interface Cable 3 12 Figure 3 12 Connection of the Antenna Feeder Interface Cable 3 12 Figure 3 13 CAL Interface Cable 3 13 Figure 3 14 Connection of the CAL Interface Cable 3 14 Figure 3 15 External Cable Connection 3 15 Figure 3 16 Software Composition 3 16 Figure 4 1 ZTE Technical Support Contact Information 4 2 Figure 4 2 Power on Flow 4...

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Page 63: ... Table 4 2 Equipment Maintenance 4 3 Table 4 3 Power on Steps 4 5 Table 4 4 Power off Steps 4 5 Table 5 1 Junction Box Specifications 5 2 Table 5 2 Specifications of the AC Power Lightening Protection Box 5 4 Table 6 1 Physical Specifications 6 1 Table 6 2 Performance Indexes 6 1 Table 6 3 Power Consumption Specifications 6 2 Table 6 4 Reliability Indexes 6 2 Table 6 5 Lightening Protection Specif...

Page 64: ...Tables This page intentionally left blank IV SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 65: ...al IF DL Down Link DPD Digital Pre Distortion EAM Electro Absorption Modulation GPS Global Positioning System IP Internet Protocol LMT Local Maintenance Terminal LTE Long Term Evolution MIMO Multiple Input Multiple Output MTBF Mean Time Between Failures MTTR Mean Time To Recovery V SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

Page 66: ...uency RGPS Remote GPS RRU Remote Radio Unit SDR Software Defined Radio TCP Transmission Control Protocol TD Time Division TELNET Telecommunication Network Protocol TRX Transceiver UE User Equipment UL Uplink VSWR Voltage Standing Wave Ratio eNodeB Evolved NodeB VI SJ 20140808143736 001 2014 10 30 R1 1 ZTE Proprietary and Confidential ...

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