ZXMBW RA25 Agile 2.5G Remote Radio Frequency Unit Installation Manual Version 2.00 ZTE CORPORATI ON ZTE Plaza, Keji Road South, Hi-Tech I ndustrial Park, Nanshan District, Shenzhen, P. R. China 518057 Tel: (86) 755 26771900 800-9830-9830 Fax: (86) 755 26772236 URL: http:/ / support.zte.com.cn E-mail: doc@zte.com.
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Contents About this Manual ............................................................ i Purpose ................................................................................. i I nt ended Audience .................................................................. i Prerequisit e Skill and Knowledge............................................... i What is in This Manual ............................................................. i Relat ed Docum ent at ion..............................................
Chassis I nstallation .......................................................1 5 Pole Mount ing ............................................................... 16 Support Com ponent I nst allat ion ............................................. 16 Sunshade Com ponent I nst allat ion .......................................... 18 Chassis Body I nst allat ion....................................................... 18 Wall Mount ing ...............................................................
Technical Param et ers ........................................................... 47 Ant enna I nst allat ion Flow ...................................................... 48 I nst allat ion Locat ion ............................................................. 48 Ant enna Handling and Hoist ing .............................................. 49 Direct ional Ant enna I nst allat ion ............................................. 50 Om ni Ant enna I nst allat ion................................................
Technical I ndices...........................................................7 9 Physical I ndices ............................................................. 79 Power Supply I ndices ..................................................... 80 Power Consum pt ion I ndices ................................................... 80 Abbreviations ................................................................8 1 I ndex .............................................................................8 3 Figures.......
About this Manual Purpose This Manual provides procedures and guidelines t hat support t he inst allat ion of t he ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit . Intended Audience This docum ent is int ended for engineers and t echnicians who perform inst allat ion act ivit ies on t he ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit . Prerequisite Skill and Knowledge To use t his docum ent effect ively, users m ust have a general underst anding of wireless t elecom m unicat ions t echnology.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Ch a pt e r Sum m a r y Unpacking check. Chapt er 3 Chassis I nst allat ion Describes t he Pole m ount ing inst allat ion m et hod, Wall m ount ing inst allat ion m et hod and Chassis m ount ing check. Chapt er 4 Power and Grounding Cables I nst allat ion Describes t he Power cable inst allat ion, Grounding cable inst allat ion and I nst allat ion requirem ent s.
About t his Manual Conventions ZTE docum ent s em ploy t he following t ypographical convent ions. Typographical Conventions TABLE 2 TYPOGRAPHICAL CONVENTIONS Type fa ce M e a ning I t alics References t o ot her Manuals and docum ent s. “ Quot es” Links on screens. Bold Menus, m enu opt ions, funct ion nam es, input fields, radio but t on nam es, check boxes, dropdown list s, dialog box nam es, window nam es. CAPS Keys on t he keyboard and but t ons on screens and com pany nam e.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual How to Get in Touch The following sect ions provide inform at ion on how t o obt ain support for t he docum ent at ion and t he soft ware. Customer Support I f you have problem s, quest ions, com m ent s, or suggest ions regarding your product , cont act us by e- m ail at support @zt e.com .cn. You can also call our cust om er support cent er at ( 86) 755 26771900 and ( 86) 800- 9830- 9830.
Chapter 1 Overview This chapt er explains: n I nst allat ion flow n I nst allat ion precaut ions Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 1
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Installation Flow This sect ion describes t he RA25 com ponent s t o be inst alled on sit e and t he RA25 inst allat ion flow. Installation Components Figure 1 shows RA25 chassis overall inst allat ion schem at ic diagram and dim ensions.
Chapt er 1 Overview FIGURE 2 RA25 ON-SITE INSTALLATION OPERATION SCHEMATIC DIAGRAM You need t o inst all t he following com ponent s of t he RA25: 1. RA25 chassis, including: n Support n Chassis body n I nt ernal cables n Module n Sunshade N ot e : The cables and funct ional m odules inside t he chassis have already been inst alled before delivery. You only need t o check whet her t heir inst allat ions m eet t he requirem ent s. 2. Power supply syst em 3. Grounding syst em 4.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Hardware Installation Flow Figure 3 shows t he general inst allat ion flow of t he RA25. However, you do not necessarily have t o follow st rict ly t his flow on sit e. Som e st eps can be perform ed at t he sam e t im e, and an earlier or lat er st ep m ay be perform ed lat er or earlier, depending on whichever is m ore convenient on sit e.
Chapt er 1 Overview Installation Precautions The inst allat ion personnel of t he RA25 m ust check t he running environm ent of t he equipm ent and learn about t he com m unicat ion net working and dat a configurat ion of t he operat or, t he st at us of t he equipm ent in t he net work, t he int erfaces of t he line t ransm ission equipm ent , and t he lengt hs of various cables prior t o inst allat ion, for successful com m issioning of t he proj ect .
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Chapter 2 Installation Preparations This chapt er explains: n I nst allat ion environm ent check n Tools and inst rum ent s preparat ion n Technical docum ent s preparat ion n Unpacking inspect ion Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 7
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Installation Environment Check Prior t o your inst allat ion of t his equipm ent , check t he inst allat ion environm ent in accordance wit h t he requirem ent s provided in t he ZTE Environm ent Accept ance Report . The cont ent s in t his sect ion are for reference only.
Chapt er 2 I nst allat ion Preparat ions Power Supply Check Table 5 list s t he power supply requirem ent s for t he RA25 chassis. TABLE 5 POWER SUPPLY REQUIREMENTS Type AC DC N om ina l Va lue Ope r a t ing Ra nge 110 V AC 85 V AC~ 138 V AC 220 V AC 150 V AC~ 300 V AC - 48 V DC - 40 V~ - 57 V Grounding Check The RA25 m ust use t he j oint grounding m ode, grounding resist ance less t han 5 ohm .
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Tools and Instruments Preparation Make available t he inst allat ion t ools and t est inst rum ent s, as list ed in Table 6, and select t he appropriat e ones t o use according t o t he proj ect and on- sit e requirem ent s.
Chapt er 2 I nst allat ion Preparat ions Ca t e gor y Nam e Sharp- nose pliers ( 8?) Diagonal pliers ( 8?) Carp- nose pliers ( 8?) Vice ( 8?) Needle file ( m edium - sized) Hydraulic crim per Pry Pulley block Rope Auxiliary t ools Ladder Forklift Crane TABLE 7 INSTRUMENTS LIST I nst r um e nt N a m e M a nufa ct ur e r VSWR t est er SI TE MASTER Opt ical fiber t est er - Com pass - Mult im et er - Eart h resist ance t est er - N ot e : No inst rum ent s can be used unless t hey are first f
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Technical Documents Preparation Read and prepare t he following m anuals before inst allat ion. 12 n ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit Technical Manual n ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit Hardware Manual n ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit Maint enance Manual n ZXMBW RA25 Agile 2.
Chapt er 2 I nst allat ion Preparat ions Unpacking Inspection The ZTE Engineers m ust perform t he unpacking inspect ion along w it h operat or’s side engineers. 1. Check whet her t he t ot al pieces are correct , packages are in good condition, and t he dest inat ion locat ion m at ches t he inst allat ion locat ion. I f t he result s are all norm al, st art unpacking inspect ion. 2. The equipm ent inspect ion list and unpacking inspect ion report are cont ained in package # 1.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Carton Unpacking Procedure 1. Cut t he st raps by using t he diagonal pliers; 2. Cut t he adhesive t ape along t he slit s on t he cover by using a paper cut t er. Not e t hat t he cut shall not be t oo deep t o avoid dam aging t he goods inside; 3. Open t he cart on and t ake out t he foam pads; 4. Check t he cont ent s in t he cart on against t he at t ached delivery list .
Chapter 3 Chassis Installation This chapt er explains: n Pole m ount ing n Wall m ount ing n Chassis m ount ing check Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 15
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Depending on t he inst allat ion environm ent , t he RA25 chassis can be inst alled in t wo ways: pole m ount ing and wall m ount ing. Pole Mounting Figure 4 shows t he inst allat ion flow for pole m ount ing of t he chassis. FIGURE 4 INSTALLATION FLOW - POLE MOUNTING Support Component Installation For inst alling t he support com ponent perform t he following st eps: 1.
Chapt er 3 Chassis I nst allat ion FIGURE 5 SUPPORT COMPONENT SCHEMATIC DIAGRAM Top view Side view 2. Fast en t he support com ponent ont o t he pole by using t he fast ening plat e and bolt s, as shown in Figure 6. The façade of t he equipm ent m ust face sout h and t he back of t he equipm ent wit h t he radiat or face nort h. ( This applies t o t he Nort hern Hem isphere and t he cont rary t o t he Sout hern Hem isphere) .
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual 1. Plain washer 2. Support 3. Bolt 4. M12 nut , spring washer, plain washer 5. Pole 6. Fast ening plat e EN D OF STEPS Note: The diam et er of t he post is usually 60 m m ~ 90 m m , wit h 75 m m recom m ended. Sunshade Component Installation As show n in Figure 7, fast en t he sunshade ont o t he support wit h four M4 bolt s.
Chapt er 3 Chassis I nst allat ion FIGURE 8 HANGING THE CHASSIS ONTO THE SUPPORT-POLE MOUNTING 2. The lower part of t he chassis drops nat urally. Gent ly press t he chassis int o posit ion, as shown in Figure 9; FIGURE 9 PUSHING CHASSIS INTO POSITION-POLE MOUNTING 3. Align t he support wit h t he screw holes on t he chassis, and t hen t ight en t he four M8 int ernal hexagonal bolt s, as shown in Figure 10.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual FIGURE 10 FASTENING THE CHASSIS BODY -POLE MOUNTING Figure 11 shows a m ount ed chassis. FIGURE 11 MOUNTED CHASSIS-POLE MOUNTING EN D OF STEPS Note: The colors of t he chassis and sunshade on t he pict ures in t his m anual m ay be different from t he act ual colors. Those in t he diagram s are for reference only.
Chapt er 3 Chassis I nst allat ion Wall Mounting Figure 12 shows t he flow for wall m ount ing of t he chassis. FIGURE 12 INSTALLATION FLOW -W ALL MOUNTING Support Component Installation For wall m ount ing, you need t o fast en t he support com ponent ont o t he wall. 1. Drilling Drill holes on t he t arget wall according t o t he hole sizes shown in Figure 13.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual FIGURE 13 SUPPORT HOLES LAYOUT 2. Fast en t he support com ponent ont o t he wall using four M10 expansion bolt s, as shown in Figure 14.
Chapt er 3 Chassis I nst allat ion FIGURE 14 SUPPORT COMPONENT INSTALLATION SCHEMATIC DIAGRAM WALL MOUNTING 5 4 3 2 1 1.Washer 2. Nut 3. Expansion bolt 4. Support 5. Wall Figure 15 shows t he inst alled support com ponent .
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Sunshade Component Installation You m ay choose not t o inst all t he sunshade com ponent if t he chassis is m ount ed indoors. However, you m ust inst all t he sunshade com ponent if t he chassis is m ount ed out doors. The sunshade com ponent can be inst alled in t he sam e way as t he pole m ount ing m ode. For det ails, see t he Sunshade Com ponent .
Chapt er 3 Chassis I nst allat ion FIGURE 17 FASTENING THE CHASSIS BODY-W ALL MOUNTING Figure 18 shows a m ount ed chassis, wit h no sunshade inst alled.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Chassis Mounting Check Aft er t he chassis has been inst alled, m ust check t he inst allat ion qualit y, including: 26 n The arrangem ent , m ount ing locat ion and direct ion of t he chassis m ust m eet t he requirem ent s on t he engineering design drawing. n The vert ical deviat ion of t he chassis m ust be less t han 3 m m . n The part s on t he chassis m ust not com e off or be dam aged.
Chapter 4 Power and Grounding Cables Installation This chapt er explains: n Power cable inst allat ion n Grounding cable inst allat ion n I nst allat ion requirem ent s Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 27
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Power Cable Installation The RA25 uses t wo t ypes of power supplies. n 220 V/ 110 V AC pow er supply n - 48 VDC power supply Power Cable Types This t opic describes t he following four t ypes of power cables. 1. 220 V AC power cable of t he RA25 chassis The RA25 equipm ent is provided wit h one AC power cable whose lengt h is det erm ined in t he proj ect survey.
Chapt er 4 Power and Grounding Cables I nst allat ion Note: As shown in Figure 19, t he sect ion wit hin 60 m m on t he right of t he wat erproof connect or m ust be wrapped wit h conduct ed fabric in full shielding. 2. 110 V AC power cable of t he RA25 chassis The 110 V AC power cable have t he sam e st ruct ure and pinout s as t he 220 V cable. 3. - 48 V DC power cable of t he RA25 chassis Usually, t he RA25 equipm ent is provided wit h a 10 m Dc power cable.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Three fans are inst alled on t he base of t he RA25 chassis, and t hey are powered t hrough t he - 24 V DC power supply provided by t he chassis. Figure 21 shows t he st ruct ure of t he fan power cable.
Chapt er 4 Power and Grounding Cables I nst allat ion Grounding Cable Installation Usually, t he user m ust be responsible for com plet ing t he basic ground grid const ruct ion of t he grounding syst em , t he grounding work of t he iron t ower and buildings, and t he connect ion point const ruct ion of t he indoor/ out door grounding busbars. The onsit e engineers need t o inst all t he enclosure PE cable of t he RA25 chassis. The RA25 enclosure has no PE t erm inal, as shown in Figure 22.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual n I f t he chassis is inst alled indoors, t he PE t erm inal is connect ed t o t he specified indoor grounding copper busbar t hrough t he grounding cable; n I f t he chassis is inst alled out doors, t he PE t erm inal can be connect ed t o t he specified iron t ower grounding cable, roof grounding cable or out door grounding copper bus bar. N ot e : The grounding cable m ust be connect ed by crim ping of copper lugs.
Chapt er 4 Power and Grounding Cables I nst allat ion Installation Requirements N ot e : When you inst all t he power and grounding cables, you m ust be ext rem ely caut ious t o ensure your safet y and t hat of t he equipm ent . Keep t he following requirem ent s in m ind while inst alling t he cables: n Before you connect t he power cables, m ark bot h ends of each cable, and at t ach t he label at t he locat ion about 2cm from t he lug. On one end, fill in t he locat ion of t he power supply.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual overlaid m anner. I nst ead, t hey m ust be inst alled crossly or in back- t o- back m anner. When t hey have t o be overlaid, t hey m ust be bent by 45º or 90º before t he inst allat ion. The bigger one m ust be underneat h t he sm aller one. This m et hod is recom m ended for all cable inst allat ions wit h lugs. Figure 25 illust rat es t he specific connect ion m et hod.
Chapter 5 External Power Cables Installation This chapt er explains: n Chassis ext ernal int erfaces n Opt ical fiber inst allat ion n Ext ernal m onit oring cable inst allat ion n Cable/ fiber inst allat ion requirem ent s Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 35
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Chassis External Interfaces Figure 26 shows t he ext ernal int erfaces of t he RA25. FIGURE 26 RA25 EXTERN AL INTERFACES Table 10 list s t he ext ernal int erfaces on t he t ransfer board.
Chapt er 5 Ext ernal Power Cables I nst allat ion Optical Fiber Installation Figure 27 shows t he st ruct ure of t he opt ical fiber bet ween t he BBUA and RA25. FIGURE 27 OPTICAL FIBER STRUCTURE The opt ical fiber is a t wo- core single- m ode wat erproof pigt ail fiber wit h a wat erproof connect or of t he LC/ PC t ype. The pigt ail fiber on end A is connect ed t o t he RA25, while t hat on end B is connect ed t o t he BBUA.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual round FC/ PC connect or. The LC/ PC end is connect ed t o t he BBUA, while t he FC/ PC end is connect ed t o t he ODF. ii. ODF t o RA25 The opt ical fiber is a wat erproof pigt ail fiber. I t s end wit h a wat erproof end cap is a square LC/ PC connect or, and t he ot her end wit hout wat erproof end cap is a round FC/ PC connect or. The lengt h of t he core at t he end w it h a wat erproof end cap is 0.
Chapt er 5 Ext ernal Power Cables I nst allat ion External Monitoring Cable Installation The RA25 provides one ext ernal m onit oring int erface receiving/ t ransm it t ing t he 485 and t runk node signals. for Figure 28 shows t he st ruct ure of t he ext ernal m onit oring cable.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Cable/Fiber Installation Requirements The following requirem ent s m ust be m et for t he inst allat ion of cables and opt ical fibers. Cable Installation Requirements n The cables inst alled out doors m ust all be PE sheat hed cables in principle. I f com m on cables need t o be used in special cases, t he PVC t ubes m ust be used t o prot ect t hem . n Cables m ust be laid in good order.
Chapter 6 Main Antenna Feeder System Installation This chapt er explains: n I nst allat ion preparat ion n Ant enna feeder syst em st ruct ure n I nst allat ion flow n Ant enna inst allat ion n Feeder inst allat ion n Wat er proof t reat m ent Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 41
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual This chapt er describes t he inst allat ion preparat ion for t he RA25 m ain ant enna feeder syst em , and it s st ruct ure, inst allat ion flow, inst allat ion procedure of each com ponent , SWR t est , and wat er prevent ion t reat m ent of t he feeder connect or.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion t he out door light ning prot ect ion grounding cable has been connect ed t o t he posit ion, and if t he it has a sect ional area great er t han 50 m m 2 . n Pole and support The ant enna support and pole m ust have been inst alled according t o t he engineering design requirem ent s. The firm ness and wind resist ance of t he support and pole m ust com ply wit h t he design requirem ent s.
ZXMBW RA25 Agile 2.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Antenna Feeder System Structure The m ain ant enna feeder syst em consist s of t he ant enna, j um per, m ain feeder, and grounding part , as shown in Figure 29. F I G U R E 2 9 R A 2 5 M A I N AN T E N N A F E E D E R S Y S T E M S T R U C T U R E 1 2 3 4 5 RA25 6 Iron tower 7 8 1. Light ning arrest er 2. Ant enna 3. Ant enna j um per ( 1/ 2’’) 4. Light ning prot ect ion grounding clip 5. Main feeder ( 7/ 8’’) 6.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Installation Flow Figure 30 shows t he inst allat ion flow of t he ant enna feeder syst em .
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Antenna Installation Ant ennas of different m odels m ust be inst alled in different ways. The inst allat ion supervisor should operat e according t o t he engineering design docum ent and t he safet y inst ruct ions provided wit h t he ant enna.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Antenna Installation Flow Figure 31 shows t he ant enna inst allat ion flow. F I G U R E 3 1 AN T E N N A I N S T A L L A T I O N F L O W Installation Location The inst allat ion locat ion of t he ant enna m ust be det erm ined according t o t he ant enna feeder inst allat ion diagram in t he engineering design drawing.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion The inst allat ion locat ion of t he ant enna m ust be provided wit h good light ning prot ect ion, as shown in Figure 32. F I G U R E 3 2 AN T E N N A L I G H T N I N G P R O T E C T I O N S C H E M A T I C D I A G R A M 1 ４ ２ ３ 1. Light ning rod 2. 45° prot ect ion angle 3. Ant enna 4.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual n I n t he case t he ant enna is t o be m ount ed on a roof, m ove t he ant enna and t he inst allat ion m at erials t o t he inst allat ion posit ion m anually. F I G U R E 3 3 AN T E N N A H O I S T I N G S C H E M A T I C D I A G R A M ２ ３ １ 1. Lower pulling rope 2. Pulley block 3.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Usually t he ant enna fast ening accessories and t he angle adj ust m ent device accessories have already been inst alled on t he ant enna under t he t ower. 2. I nit ial fixing of t he direct ional ant enna on t he pole At t ach t he direct ional ant enna inst alled wit h fixt ures ont o t he pole. First do not t ight en t he screws t oo t ight ly t o allow easy adj ust m ent of t he direct ion and down t ilt of t he ant enna.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual 4. Adj ust ing t he t ilt angle of t he ant enna i. Adj ust t he t ilt angle of t he m easurem ent m et er t o t he angle required by t he engineering design. ii. Turn t he t op of t he ant enna slight ly and loose or hold fast t he ant enna at it s t op.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Jumper and Antenna Connection and Sealing N ot e : The ant enna j um per can be connect ed before t he ant enna is m ount ed ont o t he pole and t reat ed for wat er prevent ion. This reduces t he t im e of work high above t he ground and im proves t he connect ion and wat er prevent ion qualit y of t he connect or. 1. Connect t he j um per connect or t o t he ant enna port and t ight en it . 2.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Feeder Installation This sect ion uses t he 7/ 8’’ feeder as exam ple. Figure 36 show s t he st ruct ure of one 7/ 8” feeder. FIGURE 36 7/8” FEEDER STRUCTURE 1 2 3 4 5 1. Ant enna j um per 2. Label 3. 7/ 8” feeder 4. Label 5. Chassis j um per Feeder Route Determination You m ust det erm ine t he rout e of t he feeder according t o t he feeder wiring diagram in t he engineering deign drawing.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Main Feeder Connector Making Ca ut ion: Making t he feeder connect ors is t he m ost im port ant procedure in t he inst allat ion of t he ant enna feeder syst em , since t he qualit y of t hem direct ly affect s t he perform ance of bot h t he equipm ent and net work. Be caut ious when using knives and cut t ers, for t hey are sharp and m ay cause inj ury.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual FIGURE 38 FEEDER - CUTTING 5. Check t he lengt h of t he feeder, as shown in Figure 39; FIGURE 39 FEEDER LENGTH CHECKING 32 mm Corrugation location 6. Separat e t he front part and back part of t he feeder connect or, and insert t he back part int o t he feeder t ill it t ouches t he first corrugat ion of t he feeder; 7.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion 8. Check for any residual copper scraps. The ext ernal copper sheat h m ust be evenly expanded wit hout burrs. Pull t he back part of t he feeder connect or out ward, during which process t he connect or m ust not slip away from t he feeder. I f t hese requirem ent s are not m et , m ake it again. 9. Connect t he front part and t he back part of t he feeder connect or, as shown in Figure 41; FIGURE 41 FEEDER CONNECTOR’S FRONT P ART AND BACK PART 10.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Feeders Cutting Ca u t ion: When cut t ing t he m ain feeder, label it at bot h ends. Tem porary labels can also be at t ached t o t he m iddle of t he feeder. All t he labels m ust be consist ent . Ot herwise, t he feeder m ay not be correct ly connect ed and t he sect ors m ay not correspond t o t he feeder.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Main Feeder Hoisting Ca u t ion : Hoist t he prim ary feeder wit h care t o avoid dam aging it s sheat h. Any local dam age t o a single m ain feeder m ay cause t he ent ire feeder t o be discarded. Ensure t he personal safet y during t he hoist ing process. When t he m ain feeder is t o be inst alled on a t ower, a pulley block is needed, as shown in Figure 43. FIGURE 43 FEEDER HOISTING- SCHEMATIC DIAGRAM １ ２ ３ ４ ５ 1. Pulley block 2.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual 1. Check t he labels at bot h ends ( 0.3 m ) of t he prim ary feeder t o ensure t hat it is t he right cable. 2. Wrap t he m ain feeder connect or wit h a piece of flax or an ant ist at ic plast ic bag filled wit h foam , and t hen bind it t ight ly wit h cable t ies. 3. Knot t he hoist ing rope at t he place about 0.4 m away from t he connect or and knot t he rope again at t he place about 3.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion FIGURE 44 TRIPLE FEEDER CLIP 2. Arrange t he m ain feeder in good order prelim inarily; 3. Fast en t he m ain feeders from t op downward wit h t he t riple feeder clips as you arrange t he m ain feeders. When t he m ain feeders are arranged in good order, t ight en t he t riple feeder clips. The m ain feeders m ust be kept st raight w it hout bulge bet ween t wo t riple feeder clips. Do not fast en t he feeders at bot h ends at t he sam e t im e.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual FIGURE 45 FEEDER GROUNDING –SCHEMATIC DIAGRAM 1 2 3 ＲＡ２５ ４ ５ ６ 7 1. Tower plat form 2. Feeder grounding clip 3. Feeder 4. Cabinet j um per 5. Grounding cable 6. Grounding busbar 7. Ground grid n 62 „ For t he ant enna feeder syst em inst alled on t he roof, it s ant enna support and cable rack m ust be w elded t o t he light ning prot ect ion grid of t he building.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion Ca ut ion: The grounding clip shall not be inst alled in light ning weat her t o avoid personal inj ury. When inst alling t he grounding clip, keep t he feeder at t he j oint of t he grounding clip and t he feeder st raight . 1. Prepare t he t ools: Paper cut t er, st raight screwdriver, wrench and sharp- nose pliers. 2.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual FIGURE 47 GROUNDING CABLE WRAPPING WITH W ATERPROOF TAPE 5. Clam p t he feeder ext ernal conduct or wit h t he grounding cable sheet copper and t he circlip, so t hat t he grounding clip sheet copper and t he feeder ext ernal conduct or are fully locked t oget her. 6. Conduct t he wat er prevent ion t reat m ent t o t he j oint of t he grounding clip and t he feeder by perform ing t he following st eps: i.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion according t o t he feeder connect or assem bly inst ruct ions, and connect t he j um pers bet ween t he feeder and chassis. SWR Test Aft er you have inst alled t he ant enna feeder syst em , you m ust t est t he SWR of each ant enna feeder, which m ust be no great er t han 1.3. I f t his requirem ent is not m et , m ust check if t he feeder connect or has been inst alled properly, and any fault or dam age in Ant enna, feeder or j um per.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Water Proof Treatment Ca ut ion: The wat er prevent ion sealing for t he out door j um pers and t he feeder grounding clips of t he ant enna feeder syst em is an im port ant part of t he ant enna feeder inst allat ion. During t he inst allat ion process, m ust use wat erproof t apes properly t o ensure t he qualit y of inst alling t he ant enna feeder syst em . Connect and seal t he 1/ 2'' j um per and t he feeder as follows: 1.
Chapt er 6 Main Ant enna Feeder Syst em I nst allat ion F I G U R E 4 9 W A T E R P R O O F AD H E S I V E T A P E W R A P P I N G ( 2 ) iv. Grip t he wat erproof adhesive t apes wit h your bot h ends aft er wrapping t hem t o ensure firm bonding bet ween t he t apes and t he feeders/ feeder connect ors, as show n in Figure 50. F I G U R E 5 0 W A T E R P R O O F AD H E S I V E T A P E W R A P P I N G ( 3 ) v. Apply t wo layers of t he PVC t ape on t op of t he wat erproof adhesive t ape.
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Chapter 7 Hardware Installation Check This chapt er explains: n Chassis inst allat ion check n Cable inst allat ion check n Ant enna feeder inst allat ion check n Environm ent check n BTS inform at ion check Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 69
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Chassis Installation Check 70 n The chassis inst allat ion posit ion m ust m at ch t hat on t he design draw ing. n The chassis m ust be inst alled securely, m eet ing t he level 7 eart hquake- resist ant requirem ent . n The horizont al and vert ical deviat ion of t he chassis m ust be less t han 3 m m . n The surface m ust be clean and t he paint m ust be in good condit ion. No part m ust fall off or get dam aged.
Chapt er 7 Hardware I nst allat ion Check Cable Installation Check The cables of t he RA25 include power and grounding cables, opt ical fibers, and RF cables. The overall inst allat ion requirem ent s are as below: n Various cables are st raight and level, wit hout evident wave or deflect ion. There is no crossover or space j um per. n Cables m ust be bent sm oot hly and evenly and the out er part of t he bend m ust be as vert ical or horizont al as a direct line.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Optical Fibers n Do not bend opt ical fibers int o right angles. The bend radius of out door opt ical fibers m ust be 90 m m for t he m inim um , and t hat of indoor opt ical fibers m ust be 30 m m for t he m inim um . n Opt ical fibers m ust not ent angle wit h each ot her. n The opt ical fibers m ust be arranged nat urally, wit h binding spacing less t han 0.5 m .
Chapt er 7 Hardware I nst allat ion Check „ I f a t ower is above 60 m and needs a longer feeder, anot her feeder grounding clip m ust be placed in t he m iddle of t he t ower. „ I f a feeder is rout ed for above 20 m at t he building t op or on t he cabling rack aft er leaving t he t ower before it ent ers t he room , anot her grounding clip for light ning prot ect ion m ust be added at t he building t op or on t he cable rack.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Antenna Feeder Installation Check 74 n The m ount ing height of t he ant enna m ust m at ch t he net work planning, and t he inst allat ion locat ion of t he ant enna m ust com ply wit h t he design. n The azim ut h angle and down t ilt of t he ant enna m ust m at ch t he design. n The ant enna support m ust be firm ly and reliably fast ened t o t he t ower.
Chapt er 7 Hardware I nst allat ion Check Environment Check Any out door engineering wast e m ust be cleaned. Aft er t he inst allat ion is over, t he out door work sit e m ust be rest ored t o it s original st at us, wit hout any cable st rap, st ub, wast e paper box, wast e cable or wast e plast ic bag. The whole sit e m ust be clean and t idy.
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Chapter 8 Power- On/Off This chapt er explains: n Power –on/ off procedures Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 77
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Power – on/off Procedures Power - on Check n Verify t hat t he supply volt age m eet s t he requirem ent s of t he RA25. n Verify t hat t he power and grounding cables of t he chassis have been properly connect ed. n Verify t hat t he disconnect ed. power connect or of t he chassis is Power - on n There is no addit ional power swit ch inside t he RA25 chassis.
Appendix A Technical Indices Physical Indices Table 12 list s t he physical indices of t he RA25.
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Power Supply Indices Table 13 list s t he norm al AC/ DC power supply indices of t he RA25. TABLE 13 RA25 POWER SUPPLY INDICES Type AC DC N om ina l Va lue Ope r a t ing Ra nge 110 V AC 85 V AC~ 138 V AC 220 V AC 150 V AC~ 300 V AC - 48 V DC - 40 V~ - 57 V Power Consumption Indices Table 14 list s t he power consum pt ions of different carriers.
Abbreviations Abbr e via t ion Fu ll N a m e BBUA Agile Baseband Base Unit BSC Base St at ion Cont roller BSS Base St at ion subsyst em BTS Base Transceiver St at ion GPS Global Posit ion Syst em PE Prot ect ive Eart h SDH Synchronous Digit al Hierarchy UPS Unint errupt ible Power Supply Confident ial and Propriet ary I nform at ion of ZTE CORPORATI ON 81
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Index AC, 2, 3 AC/DC, 2, 3 ANT0, 2 ANT1, 2 B, 2 BSC, 3 BSS, 3 BTS, 2, 3 CAPS, 1 DB9, 2 DC, 2, 3 E, 1, 2 FAN, 2 FAN1, 2 FAN2, 2 FAN3, 2 FIBER, 2 GND, 2 GPS, 3 INFORMATION, 1 LEGAL, 1 MASTER, 2 MONITOR, 2 N/A, 1 ODF, 2 P, 1 POWER, 2 R&D, 1 R1, 1 RF, 1, 2 RFE, 2 ROSENBERGER, 2 SDH, 3 SITE, 2 SWR, 2 URL, 1 V, 2, 3 VGND, 2 VSWR, 2
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Figures Figure 1 RA25 Chassis Overall I nst allat ion Schem at ic Diagram .. 2 Figure 2 RA25 On- sit e I nst allat ion Operat ion Schem at ic Diagram ......................................................................................... 3 Figure 3 RA25 I nst allat ion Flow ............................................ 4 Figure 4 I nst allat ion Flow - Pole Mount ing ............................ 16 Figure 5 Support Com ponent Schem at ic Diagram ..................
ZXMBW RA25 Agile 2.5G Rem ot e Radio Frequency Unit I nst allat ion Manual Figure 28 Ext ernal Monit oring Cable St ruct ure ...................... 39 Figure 29 RA25 Main Ant enna Feeder Syst em St ruct ure ......... 45 Figure 30 I nst allat ion Flow ................................................. 46 Figure 31 Ant enna I nst allat ion Flow ..................................... 48 Figure 32 Ant enna Light ning Prot ect ion Schem at ic Diagram .... 49 Figure 33 Ant enna Hoist ing Schem at ic Diagram ......
Tables Table 1 Chapt er Sum m ary .................................................... i Table 2 Typographical Convent ions...................................... iii Table 3 Mouse Operat ion Convent ions.................................. iii Table 4 Tem perat ure and Hum idit y Requirem ent s ................... 8 Table 5 Power Supply Requirem ent s ...................................... 9 Table 6 Tools List .............................................................. 10 Table 7 I nst rum ent s List .....
