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Chapter 5

Hardware Installation

Table of Contents

Installing the RSU Module ..........................................................................................5-1

Connecting RSU Monitoring Cable .............................................................................5-9

Installing Optical Fibers Between BBU and RSU ......................................................5-10

Installing the Interconnected Cable Between BBU and RSU.....................................5-12

Installing the RF Jumper...........................................................................................5-15

5.1 Installing the RSU Module

Prerequisite

l

Before installing the RF module, wear the ESD wrist strap to avoid damaging the RF

module.

l

The RF cabinet has already been installed.

Context

shows the front panel of a ZXSDR RSUC.

5-1

SJ-20101019140047-002|2012-03-15 (R1.1)

ZTE Proprietary and Confidential

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Summary of Contents for ZXSDR RSUC

Page 1: ...it of CDMA with 1T2R User Manual Hardware Version HV1 00 ZTE CORPORATION NO 55 Hi tech Road South ShenZhen P R China Postcode 518057 Tel 86 755 26771900 Fax 86 755 26770801 URL http ensupport zte com cn E mail support zte com cn ...

Page 2: ...ement ZTE 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 o...

Page 3: ...against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if 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 wil...

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Page 5: ...ure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 4m between the radiator your body I ...

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Page 7: ...Ethers PBDE s The ZXSDR RSUC manufactured by ZTE CORPORATION meet the requirements of EU 2002 95 EC however some assemblies are customized to client specifications Addition of specialized customer specified materials or processes which do not meet the requirements of EU 2002 95 EC may negate RoHS compliance of the assembly To guarantee compliance of the assembly the need for compliant product must...

Page 8: ...II ...

Page 9: ...evice may not cause harmful interference l This device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment The equipment is intended for installation in RESTRICTED ACCESS LOCATIONS All the operation and maintena...

Page 10: ...escription Safety Symbols Meaning No smoking Smoking is forbidden No flammables No flammables can be stored No touching Do not touch Universal alerting symbol General safety attentions Electric shock Risk of electric shock Electrostatic The device may be sensitive to static electricity Microwave Beware of strong electromagnetic field Laser Beware of strong laser beam Scald Beware of scald Amongst ...

Page 11: ...ribes the safety instructions related to electrical safety antistatic heavy objects and modules Electrical Safety Instructions The following are the electrical safety instructions about tools high voltage power cables holes and lightning l Tools Use special tools rather than common tools for high voltage and AC operations l High Voltage Danger High voltage is hazardous Direct or indirect contact w...

Page 12: ...ion requirements l Drilling Holes Warning It is not allowed to drill chassis holes without permission à Unqualified drilling could damage wiring and cables inside the chassis Additionally metal pieces inside the chassis created by the drilling could result in a short circuit Use insulation protection gloves and first move cables inside a chassis away when drilling is necessary on a chassis à Prote...

Page 13: ...o not contact static sensitive modules with any object that easily generates static electricity For example friction of package bag transfer box and transfer belt made from insulation plastic may cause static electricity on components Discharge of static electricity may damage components when they contact a human body or the ground l Modules should only contact materials such as an antistatic bag ...

Page 14: ... with the maximum ambient temperature Tma specified by the manufacturer l Reduced Air Flow Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised l Mechanical Loading Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven mechanical loading l Circuit Ov...

Page 15: ...y parts or perform any changes to the equipment unless authorized otherwise l Due to that RRU is in high temperature during running the RRU should be installed in some regions out of operators reach or strictly restricted l Contact ZTE office if you have any question to ensure your safety 1 7 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 16: ...ZXSDR RSUC User Manual This page intentionally left blank 1 8 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 17: ...distributed BBU RRU or BBU RSU The product form of ZTE SDR can be distributed BBU RRU or BBU RSU macro BS or micro BS ZXSDR RSUC is the RSU part of ZTE CDMA2000 distributed SDR Common BTS Platform Solution It provides functions including RF modulation demodulation forward power amplification reverse low noise amplification RF performance measurement and carrier power control etc With a smaller siz...

Page 18: ...t forms the complete BTS The BTS implements radio transmission with the MS through the CDMA2000 air interface In addition the BTS implements control of radio channels and communication with the BSC 2 3 Outer View Figure 2 2 shows the outer view of ZXSDR RSUC 2 2 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 19: ...oduct Descripition Figure 2 2 Outer View of ZXSDR RSUC 2 4 Production Functions ZXSDR RSUC provides primary functions is shown as Table 2 1 2 3 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 20: ...rse spectrum query querying the reverse received signal spectrum of each carrier Equipment maintenance and test Power amplification control and protection over power over temperature and standing wave alarm Reliability Reverse voltage protection Scenario Indoor and outdoor applications 2 5 Production Features Here are the product features of ZXSDR RSUC l Easy transportation and installation will s...

Page 21: ...RPDC Figure 3 1 shows the schematic diagram of the ZXSDR RSUC Figure 3 1 Schematic Diagram of the ZXSDR RSUC The functions of ZXSDR RSUC s subsystem is shown as Table 3 1 Table 3 1 The functions of subsystem Part Description RTR RTR the unit that integrates the processor clock CPRI interface DPD digital predistortion RF transmitting and receiving functions is the core unit of the ZXSDR RSUC 3 1 SJ...

Page 22: ...PDC Converts 48V DC input power supply to DC power supply required by the PA RTR or DFL 3 2 Signal Processing Flow The internal signal processing flow of ZXSDR RSUC is as below l Forwardlink processing The business data from BBU enters the RTR and then for intermediate frequency processing After the power amplification sent to the antenna for transmission l Reverselink processing The reverse CDMA ...

Page 23: ... Of Protection IP30 l Grounding Requirements Joint grounding resistance less 1W BTS grounding resistance less 5 W l Noise Noise of working environment less 65 dBA 3 3 6 Reliability Indices l Mean Time Between Failures MTBF 100 000 hours l MTTR Mean Time To Repair 0 5 hour l Availability 99 999 3 3 7 RF Indices RF indices of the ZXSDR RSUC comply with 3GPP2 C S0010 C Recommended Minimum Performance...

Page 24: ...mitter intermodulation performance If one BTS transmits at the rated power but another BTS output power is 30 dB less than the former s rated power When the powers of two BTSs are combined on the antenna port the generated intermodulation spurious emission meets the conducted spurious emission requirement The IF difference of the transmit signals of two BTSs is 1 25M Pilot time tolerance The PN ti...

Page 25: ...ting band 1 9 GHz Band Class 1 Transmitter output frequency tolerance 0 01 ppm Occupied channel bandwidth 1 25 MHz Output power at the Top of Cabinet TOC 60W Total transmit power The total transmit power is within 2 dB and 2 dB of the manufacturer s rated power Modulation mode Quadrature amplitude modulation Conducted spurious emission and radiated spurious emission suppression 45dBc 885 kHz offse...

Page 26: ...nge of 7 0 0 5 dB Inactive channel code domain power With the standard 9CH configuration the inactive channel code domain power is less than 27 dB DO MAC inactive channel code domain power With configuration of 13 FLUSs the MAC inactive channel code domain power is less than 29 5 dB type 2 DO DATA channel code domain power With configuration of 13 FLUSs at the rate of 614 44 kbs test 1 the DATA ch...

Page 27: ...80 dBm measured within the BTS receive band 60 dBm measured within the BTS transmit band Radio frequency Front End SWR 2 0 Table 3 6 illustrates the 1 9 GHz receiver indices Table 3 6 1 9 GHz Receiver Indices Name Index Operating band 1 9G Hz Band Class 1 14 Receiver sensitivity 115 dBm Receiver dynamic range When the lower limit is the receiver sensitivity and the upper limit noise level equals 5...

Page 28: ...ed spurious emissions and radiated spurious emissions 80 dBm measured within the BTS receive band 60 dBm measured within the BTS transmit band Radio frequency Front End SWR 2 0 3 3 8 Interface Indices The interface indices of ZXSDR RSUC is shown as Table 3 7 Table 3 7 Description of ZXSDR RSUC s interfaces Type Description Index CPRI Fiber Cable 2CPRI interfaces 1 CPRI for BBU or upper level RSU1 ...

Page 29: ...ides the following functions l Communication with the baseband subrack l Conversion between air interface RF signals and digital signals l RF signal amplification transmission and reception l Clock synchronization 4 2 Panel Figure 4 1 illustrates the ZXSDR RSUC panel 4 1 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 30: ...C User Manual Figure 4 1 ZXSDR RSUC Panel 4 3 Button There is only one button RST on the ZXSDR RSUC panel Table 4 1 describes the button 4 2 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 31: ...ere is a minor alarm LNK Green Optical link status indicator Always on The optical connection is normal Off The optical fiber fails Blinking at 5 Hz This link is used as the clock reference source and the phase lock loop PLL is in the fast capture state Blinking at 0 25 Hz This link is used as the clock reference source and the phase lock loop PLL is in the tracing state RF Orange RF working statu...

Page 32: ...f BBU or the upper layer cascaded RSU TX2 RX2 RSU Lower layer cascaded RSU Connects to the CPRI optical interface of the lower layer cascaded RSU DBG RSU PC or testing equipment with a the testing board Commissioning Ethernet interface and testing interface TEST RSU Testing equipment Tx testing signal interface MON RSU External equipment Provides four dry contact input interfaces and RS 485 enviro...

Page 33: ...nterconnected Cable Between BBU and RSU 5 12 Installing the RF Jumper 5 15 5 1 Installing the RSU Module Prerequisite l Before installing the RF module wear the ESD wrist strap to avoid damaging the RF module l The RF cabinet has already been installed Context Figure 5 1 shows the front panel of a ZXSDR RSUC 5 1 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 34: ...he target slot hold the handle of the module with one hand support the lower back of the module with the other hand and try to make parallel the module and the guiding plane as shown in Figure 5 2 5 2 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 35: ...dware Installation Figure 5 2 Step 1 2 Push the module slightly into the slot to more than half the depth of the slot as shown in Figure 5 3 5 3 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 36: ...er Manual Figure 5 3 Step 2 3 Change the place where exercise force and then push further the module with even force as shown in Figure 5 4 5 4 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 37: ... Installation Figure 5 4 Step 3 4 Push the module until the inner side of the front panel closely touch the vertical shaft as shown in Figure 5 5 5 5 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 38: ...ZXSDR RSUC User Manual Figure 5 5 Step 4 5 Secure the module using five M5 x 20 screws as shown in Figure 5 6 5 6 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 39: ... the grounding lug 6 Secure the ground lug As shown in Figure 5 6 the M5 x 20 screws secures the ground lug of the RSU module to the ground points End of Steps Result Figure 5 7 shows the completion of installing the RF module 5 7 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 40: ...tion After installing RSU modules connect the RSU power cables to the RSU power interfaces RSU power cables have been routed to proper slots as shown in Figure 5 8 Figure 5 8 Power Cable Connecting the RSU 5 8 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 41: ...lled insert the terminal of the RSU monitoring cable to the MON monitoring interface of the RSU module Figure 5 9 RSU Monitoring Cable Note If multiple RSU modules need to be monitored only one RSU module needs to be connected to the RSU monitoring cable Steps 1 Connect one end of the RSU monitoring cable to the MON monitoring interface of the RSU module and fasten the screw 2 Bundle the RSU monit...

Page 42: ...he RF cabinet are installed side by side or they are far away from each other you need to connect BBU and RSU using optical fibers Pay attention to the following points when installing optical fibers l Do not damage the optical fiber cladding during operations l Protect optical fiber connectors and avoid contaminating them l Do not forcibly bundle optical fibers l Curve optical fibers at the turni...

Page 43: ...dules and connect to the six optical interfaces for RF modules Figure 5 11 shows how optical fibers traverse the waterproof modules Figure 5 11 Waterproof Module through Which Optical Fibers Pass 3 Insert optical fiber connectors Insert optical fiber connectors according to the mapping on temporary labels Caution Insert optical fiber connectors tightly 4 Bundle optical fibers Bundle and secure opt...

Page 44: ...BBU and RSU Prerequisite l The ZXSDR RSUC cabinet has already been installed l The BBU module and RSU module have already been installed Context ZXSDR RSUCIn the system optical fibers or SFP cables can be used to connect BBU and RSU During the stacked installation of the ZXSDR RSUC a 2 m SFP high speed cable is recommended for interconnecting BBU and RSU Figure 5 12 shows an SFP cable Figure 5 12 ...

Page 45: ...SU 3 Route the SFP cable along the routing trough and cabinet sides to the FS module of BBU The SFP cables connecting to the RSUs in slots 1 to 3 on the RF cabinet go through the left routing apertures and those SFP cables go through the right apertures if connecting to slots 4 to 6 on the RF cabinet as shown in Figure 5 13 and Figure 5 14 Figure 5 13 Layout of the SFP Cables in the RF Cabinet 5 1...

Page 46: ...0RX0 to TX5RX5 of the BBU FS board according to the markings 0 5 as shown in Figure 5 15 Figure 5 15 FS Board Connecting to the BBU 5 Bundle SFP cables 6 Remove temporary labels and affix engineering labels End of Steps 5 14 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 47: ... Connect the RF jumpers to ANT1 and ANT2 interfaces of RSU from left to right 2 Wear the waterproof rubber plug after every two RF jumpers are installed 3 Insert the horizontal and longitudinal slide blocks and use the hexagon ring wrench to fasten them Caution Clamp the waterproof rubber plug tightly and make sure that the unused cabling aperture wears the plug 4 Repeat the preceding steps to ins...

Page 48: ...Figure 5 17 The cables between cabinets must be protected with protective tubes without any exposed part of the cables and the openings at two ends of these cables must be sealed as shown in Figure 5 18 Figure 5 17 Lead Out of the Antenna Feeder Jumper 5 16 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 49: ...Chapter 5 Hardware Installation Figure 5 18 Cables in Tubes 5 17 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 50: ...ZXSDR RSUC User Manual This page intentionally left blank 5 18 SJ 20101019140047 002 2012 03 15 R1 1 ZTE Proprietary and Confidential ...

Page 51: ...lled Completely 5 8 Figure 5 8 Power Cable Connecting the RSU 5 8 Figure 5 9 RSU Monitoring Cable 5 9 Figure 5 10 Installing the RSU Monitoring Cable 5 10 Figure 5 11 Waterproof Module through Which Optical Fibers Pass 5 11 Figure 5 12 High Speed Cable 5 12 Figure 5 13 Layout of the SFP Cables in the RF Cabinet 5 13 Figure 5 14 SFP Cable Layout 5 14 Figure 5 15 FS Board Connecting to the BBU 5 14 ...

Page 52: ...Figures This page intentionally left blank ...

Page 53: ...Table 3 3 800 MHz Transmitter Indices 3 4 Table 3 4 1 9 GHz Transmitter Indices 3 5 Table 3 5 800 MHz Receiver Indices 3 6 Table 3 6 1 9 GHz Receiver Indices 3 7 Table 3 7 Description of ZXSDR RSUC s interfaces 3 8 Table 4 1 ZXSDR RSUC Panel Button Description 4 3 Table 4 2 ZXSDR RSUC Panel Indicator Description 4 3 Table 4 3 Interfaces on the Front Panel of the ZXSDR RSUC 4 3 III ...

Page 54: ...Tables This page intentionally left blank ...

Page 55: ... Base Station Controller BTS Base Transceiver Station CDMA Code Division Multiple Access CPRI Common Public Radio Interface MS Mobile Station RF Radio Frequency RSSI Received Signal Strength Indicator RSU RF System Unit SDR Software Defined Radio V ...

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