RFS HYBRIFLEX mMIMO Installation Manuallines Download

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RFS INSTALLATION GUIDELINES

HYBRIFLEX

mMIMO | 603400209500 | July 2019

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mMIMO HYBRIFLEX

Guidelines and Instructions

Summary of Contents for HYBRIFLEX mMIMO

Page 1: ...RFS INSTALLATION GUIDELINES HYBRIFLEX mMIMO 603400209500 July 2019 Visit www rfsworld com for the most current product specifications Page 1 of 32 mMIMO HYBRIFLEX Guidelines and Instructions ...

Page 2: ... Hoisting Pulling HYBRIFLEX Cable 6 HYBRIFLEX Bending 7 Fixation Mounting of the Cable 9 Monopole Installation Instructions 9 Fiber Inspection 14 Fiber Cleaning Introduction 15 HYBRIFLEX Armor Trimming Procedure 20 Grounding Kit Installation 23 HYBRIFLEX Bulkhead Connector Fitting Installation 24 HYBRIFLEX Power Splice 4AWG to 6AWG Instruction 25 HYBRIFLEX Power Splice 4AWG to 4AWG Y Splice Instru...

Page 3: ... improper or unsafe use is disclaimed General remarks In principle care must be taken to avoid all such strain that may cause permanent deformation on the cable e g going below admissible bending radii kinking applying too high tensile stress or forcible deformation e g pulling over sharp edges over tightening of clamps etc HYBRIFLEX Feeder Configuration This installation guideline supports HYBRIF...

Page 4: ... bulk 24 MM ODVA D LC Copper Tape HB114 21U4M24 xxxF 5x24 Hybrid Riser Riser to fiber Jumper 5 4 21 Jacketed red black unshielded pairs individually jacketed red and black wires in the bulk 24 MM ODVA D LC Copper Tape HB158 21U5M24 xxxF 3x48 Hybrid Riser Riser to fiber Jumper 3 6 13 4 Jacketed red black unshielded pairs individually jacketed red and black wires in the bulk 48 MM ODVA D LC Copper T...

Page 5: ... deformed due to its own weight Make sure that the cable end is always properly sealed and fixed as close as possible to the drum core Note the recommended rotation direction of the drum which is shown by an arrow on the drum flange during installation pulling of the cable the drum will be on drum stands and will then be turned in the opposite direction to unwind the cable If the drum is completel...

Page 6: ...ng vertical run of cable additional hoisting grips should be attached at 50 60m intervals Add the hoist line to the hoisting grip or rope sling protect the HYBRIFLEX against shackles Keep slack in the cable between the hoisting grips in case more than one is needed Ensure that the slack is maintained during hoisting Hoist the cable slowly Rotation of the reel must be slow to prevent buckling of th...

Page 7: ...hat utilize copper outer shield are easy to bend but must be handled carefully to avoid damage to internal elements Do not twist the cable e g if changing from vertical to horizontal runs See diagram 4 Do not leave the Hybrid cable hanging in a long free space e g during the installation under a platform In adverse conditions additional protective measures may have to be taken for example see pict...

Page 8: ...able without causing performance degradation and or damage Refer to product data sheet for specific hybrid cable bend radius RFS specifies two types of minimum bending radius for a cable Single bend irreversible minimum bend section of the cable Repeated bend reversible minimum bend section of the cable HYBRIFLEX Bending Repeated bend radius can be reversed without damage or cable loss For single ...

Page 9: ...All below configurations are options for mMIMO pre terminated multi mode risers Tower Risers 3 Initial Variations 3 Pair x 6AWG DC with 48 Multi Mode MM Fiber Pairs typical application 125 ft 3 Pair x 4AWG DC with 48 Multi Mode MM Fiber Pairs typical application 125 ft to 230 ft 6 Pair x 4AWG DC with 48 Multi Mode MM Fiber Pairs typical application 230 ft Sectorized Risers Rooftop Monopole 3 Initi...

Page 10: ...verse to accommodate top to bottom feeding In the advent of a top fed installation adequate rigging must be utilized to support the weight of the cable as it is fed to the top of the tower Due to DC power wire gauge these hybrid cables may be heavier than traditional transmission lines Use caution when feeding from the top to bottom and request additional manpower as needed Use extreme caution whe...

Page 11: ...safety and per hoisting components equipment specification Due to the DC wire hybrid cable is heavier than traditional cable Use a strong pulley at both the top and bottom of the tower to guide the hoist line If it is necessary to install the cable over rough ground objects protective measures must be taken Careless handling can damage the protective layers and potentially cause damage to fiber st...

Page 12: ...t lengths of RFS hybrid may be shipped in boxes The cable should be unboxed and uncoiled along the ground away from the tower before it is hoisted Before clamping hoisting grips make the following distance measurements before clamping or use of a lace up style hoisting grips so that it can be hoisted to a support hook in the monopole tower Measure the distance from the top exit of the monopole to ...

Page 13: ...e or additional electrical tape if needed to prevent any stress or force to the fiber and protective sleeve only use lace up type hoisting grips Use a hoisting grip that will support the total weight of the specific hybrid cable and add additional hoisting grips for longer lengths hoisting grip clamps should always be utilized See the hoisting grip recommendations section of this document Make cer...

Page 14: ...nspected and cleaned before mating Please refer to the cleaning procedure within this document if needed LC Connector inspection Inspect the LC fiber end face using the approved test equipment probe and the appropriated LC fiber tips If the test fails due to too much dirt clean the end face accordingly and re test See Table 2 template and allowable defect table Note For test parameters and the spe...

Page 15: ...ates strong back reflections which can cause instability in the laser system Dust particles trapped between two fiber faces can scratch the glass surfaces Even if a particle is only situated on the cladding or the edge of the end face it can cause an air gap or misalignment between the fiber cores which significantly degrades the optical signal In addition to dust other types of contamination must...

Page 16: ...ied Never touch the dispensing tip of an alcohol bottle Never use alcohol around an open flame or spark alcohol is very flammable Best Practices Re sealable containers should be used to store all cleaning tools store end caps in a separate container The inside of these containers must be kept very clean and the lid should be kept tightly closed to avoid contamination of the contents during fiber c...

Page 17: ... 2 5mm Tools Clean re sealable container for the end caps Fiberscope Bulkhead probe Cleaning Techniques for Pigtails and Patch Cords This section describes cleaning techniques for pigtails and patch cords Note No known cleaning methods are 100 effective therefore it is imperative that inspection is included as part of the cleaning process Improper cleaning can cause damage to the equipment Dry Cle...

Page 18: ...dges after use Dry Clean Technique Lint Free Wipes This section describes dry cleaning techniques that use lint free wipes Tools Lint free wipes preferably clean room quality 1 Make sure that the lasers are turned off before you begin the inspection Warning Invisible laser radiation might be emitted from disconnected fibers or connectors Do not stare into beams or view directly with optical instru...

Page 19: ...vities where it can re emerge during fiber connection Tools 99 isopropyl alcohol Lint free wipes Caution Read the reminders and warnings before you begin this process 1 Make sure that the lasers are turned off before you begin the inspection Warning Invisible laser radiation might be emitted from disconnected fibers or connectors Do not stare into beams or view directly with optical instruments 2 ...

Page 20: ...BRIFLEX to be installed needs adjustment Note DO NOT CUT FIBER LINES and avoid pinching DC Wires Rack mountable optical fiber storage units are available to manage any excess fiber lengths in the breakouts at the BBU Safety Caution Protect your hands and fingers Knife and copper foil are sharp objects they can be harmful if handled improperly Necessary Tools Step 1 Measure and mark the length of t...

Page 21: ...ord parallel to the cable Keep the ripcord straight and avoid resting the tool over the cable jacket Stop on the score mark Step 4 a Slice and peel open the jacket to unwrap the copper foil b Using a scissors cut the copper armor and Kevlar fillers Caution Copper armor has a sharp edge c Leave about 6 inches of the ripcord exposed and tape with electrical tape A B C D ...

Page 22: ...k 2 Twist bayonet counterclockwise 3 Pull Dust Cap 4 Protect ferrule To connect the jumper with the riser 1 Position in line adaptor to align with LC Duplex to ensure the latches are matched properly 2 Slowly guide the LC connector into the in line adaptor 3 Use your hands push and hold to lock bayonet 4 Slide up the safety lock Caution Do not insert LC Duplex into adaptor blindly doing so can dam...

Page 23: ...n the marking of the cable jacket Note Whenever the jacket has been removed this section must be sealed properly to prevent water ingress Use the drain wire to ground cable to the main junction box Caution Do not attempt grounding kit installation in the presence of thunderstorms Failure to obey this warning may result in injury or death to you or to others 1 Measure and mark the cable jacket at 7...

Page 24: ...r Open ended wrench specific to the bulkhead fitting size Sharp knife to remove the jacket Ripcord removal kit NOTE HYBRIFLEX cable bulkhead fitting kit is shipped hand tightened on all trunk cable NOTE If additional breakout length is needed loosen the bulkhead and slide it down over jacket Refer to the ripcord removal process in this document Once the ripcord removal is completed prep the end of...

Page 25: ...bles inside the corrugated tube of the jumpers and riser assemblies This procedure applies to 4AWG and 6AWG connections Safety Caution Use hand protection and safety glasses when splicing power cables Figure 1 Field Splice Kit Parts for PW SPLICE ST 78000832 PW SPLICE ST PT 78000833 Heat Shrink Sleeve 2 Dia x 6 0 long Qty 4 Connector Splice 4AWG Qty 2 Heat Shrink Sleeve 1 Dia x 3 5 long Qty 2 Corr...

Page 26: ...ch red and black wire 3 Strip inches of the jacket off the end of each wire to expose copper 4 Stagger the splices by measuring 2 inches and 6 inches from the riser conduit 5 Apply 1 inch O D heat shrink sleeve over each completed splice and heat shrink evenly around the splice 6 Assemble the 2 inch corrugated conduit over the splices Mark and overlap the 2 inch corrugated conduit by 1 inch with t...

Page 27: ...to splice the power cables inside the corrugated tube of the jumpers and riser assemblies This procedure applies to 4AWG connections Safety Caution Use hand protection and safety glasses when splicing power cables Figure 1 Field Splice Kit Parts for PW SPLICE Y ID 78000834 Recommended Tools Heat Gun Connector Y splices 4 AWG Qty 2 Heat Shrink Sleeve 1 Dia x 3 5 long Qty 2 Assembly 1 Strip inch of ...

Page 28: ...AWG connections Safety Caution Use hand protection and safety glasses when splicing power cables Figure 1 Field Splice Kit Parts for PW SPLICE Y 78000831 Recommended Tools Heat Gun Measuring Tape Assembly 1 Slide a 2 inch O D heat shrink down each of the 4AWG jumpers away from point of splice to save for a later step 2 From each of the 4AWG jumpers expose 24 inches of each red and black wires Corr...

Page 29: ...the jumpers through the Y Splice connector assembly 4 Stagger the two red wires 2 inches beyond the corrugated tube and the two black wires 6 inches beyond the corrugated tube 5 Strip inch of the jacket off the end of each wire to expose inch of copper Splice together with the 6AWG pigtail 6 Apply 1 inch O D heat shrink sleeve over each completed splice and heat shrink evenly around the splice ...

Page 30: ...onduit over the splices and over the tube from the Y Splice Connector by 1 inch 8 Make sure the entire 4AWG jumper and 6AWG pigtail are inserted by at least 1 inch into the mating corrugated tube 9 Slide all 2 inch O D heat shrink tubes into place and complete the final assembly NOTE Be sure to shrink 2 inches of the heat shrink evenly around the diameter to ensure a complete seal ...

Page 31: ...te Hangers are sold in kits of 10 with hardware included three options available Hoisting Grips Configuration Model Number Description 1x16 6AWG HOIST 12C Closed Loop Hoisting Grip Pre installed 1x16 4AWG HOIST 12C 2x16 4AWG HOIST1 58L Lace up Hoisting Grip 6x48 4AWG HOIST1 158L Clamps Configuration Model Number Description 1x16 6AWG CLAMP 12 SNAP 58 Kits of 10 Butterfly Snap in and Stackable Hang...

Page 32: ...or the most current product specifications Page 32 of 32 Trademarks RFS CELLFLEX and HYBRIFLEX are registered trademarks of Radio Frequency Systems Document Control Document Number 603400209500 Date Revision Created By Approved By Comments Changes 23Jul19 A E Redvil M Gauvin Released version ...

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