The transmit and receive bundles of the cable shall be separated and one of the bundles shall be wrapped with shielding material in accordance with the cable manufacturer's recommendations. Installed cable shall be tested and pass the inventory and acceptance testing specified in the Telephone System Construction Contract (Labor and Materials), RUS Form 515. Use of the name BTS, inc./the url: www.btstraining.com is for identification purposes only, and should not be regarded as affecting the validity of any trademark or service mark, or as suggesting any affiliation between BTS, Inc. and the trademark/servicemark proprietor. Only RUS accepted fiber optic cable shield bond connectors shall be used to provide bonding connections to the metallic cable shields. (iii) A typical bonding and grounding method for fiber optic splices is shown in Figure 19: (7) Bonding and grounding central office cable entrances. The number of shield bond connectors required per pair size and gauge shall be as shown in Table 8: Table 8 - Shield Bond Connectors per Pair Size and Gauge. We offer a variety of connectors for mass or single wire splicing in dry or wet configurations to best suit your applications . 6 AWG. ", Twist-and-sleeve connectors, according to Dahms, rely on stripped wire ends being twisted together and then covered with a paper sleeve; compression connectors simply press the two stripped wire ends that are to be joined together. Most manufacturers design these units exclusively for UTP/ScTP. This solution is ideal for cable identification and troubleshooting. Branch Three or more cables entering a splice case from any direction in which cable pairs or optic counts move from one sheath to another. (4) Shield bonding and grounding. Cable Sealing Type: Gel filled; Close Quick View. Test all cable pairs for: a. DC Loop Resistance for any 2 conductors in the cable. Use small sharp wire cutters. Variations between pairs should not be a major source of concern when checking the quality of the installation. When an uncompleted splice must be left unattended, it shall be sealed to prevent the ingress of moisture and other contaminants. Table 5 is as follows: Table 5 - Splice Capacities for BD-Type Pedestals. However, it is permissible to wipe individual conductors with clean paper towels or clean cloth rags. Copper Cable Splicing and OSP Protected Terminations 27 1313 05/27/06 Page 1 of 8 Copper Cable Splicing and OSP Protected Terminations . properly terminated they are as safe as copper. This course will train students to splice and maintain cables in aerial, and direct buried applications. By using a shorting device on one end of the pair, you can also test continuity. The armor shall be separated at the seam and pulled from the cable exposing the inner jacket. All rights reserved. OSP: Bonding & Grounding, Copper Cable Splicing, OSP Tester/Fault Locating & Cable Troubleshooting . (vii) A prerequisite for the successful completion of a fiber optic splicing endeavor is the presence of a talk circuit between the splicing technician in the splicing vehicle and the operator of the OTDR in the central office. The silicone rubber QS-III design revolutionized power cable splicing by addressing the installation pitfalls of traditional splices, which required pushing, pulling or heat. Tape down the second sealing sleeve over the first one. This produces a transparent, non-reflective and continuous connection between the fibers enabling very low loss light transmission. The bending limitations on buffer tubes are intended to prevent kinking. However, both ends of the braid shall be terminated on the pedestal ground bracket to provide a bonding loop. The inner sheath shall be slit using a sheath splitter or rip cord. The maximum pulling tension for most fiber optic cable is 2669 newtons (600 pound-force); (iii) The cable manufacturer's recommendations concerning bending radius shall be observed. Light outside the fiber core is not a usable light signal. Stub cabling to a second splice case to avoid a congested splice is acceptable. This course focuses on cable . "Attaching a discrete connector requires that the circuit be interrupted," explains Dahms. (iii) Each buried splice shall be identified for future locating. Our expansive knowledge in the industry guarantees that you will be provided with the best service there is to offer. Some graphics, text, and photos are the property of Splicers, Inc. and/or TC Concepts. "What is needed is an insulation-displacement connection [IDC], which is gas-tight. To measure the cable, you inject a high rise-time pulse into the cable, and then look for the reflections caused by impedance mismatches to return. Slide the shortest of the three sealing sleeves over the short side of the joint. 2. Wire map testers, also known as pair scanners, are low-cost cable testers that usually test for opens, shorts, crossed pairs, and miswires (such as reversed pairs in a 4- or 25-pair cable). using manufacturer parts and installation procedures. In addition to the 3M Telecom Systems Div. (ii) Caution shall be exercised to avoid damaging the conductor insulation when cutting through the cable shield and removing the shield. More popular with telcos today are mechanical closures, which can be re-entered to rework splices. Certification test units test a UTP and ScTP cabling system to at least 100 MHz, and measure/record the following parameters: wire map length; attenuation; NEXT, as well as return loss; ELFEXT; ACR; propagation delay; delay skew; power sum NEXT; power sum ACR; and power sum ELFEXT. High-speed data on campus may require cable splicing. Underground splices shall be stored in manholes on cable hooks and racks fastened to the manhole wall. When those harnesses are used they shall be installed in accordance with the manufacturer's instructions. Improper viewing of a fiber end that is transmitting light may cause irreparable eye damage; and. Some testers in this category also test for split pairs. Creating Ethernet Cable 3. After completing your visual inspection and correcting all discrepancies, it's time for testing. (11) Binder tape. An alternative to the handhole is a pedestal specifically designed for fiber optic splice cases. Job email alerts. (iv) Splicing operations that involve pairs containing working services shall utilize splice connectors that permit splicing without the interruption of service. and 76 mm (3.0 in.). Except in cable vault locations, outside plant cables within the central office shall be wrapped with fireproof tape or enclosed in noncombustible conduit. . Maintained good operating condition of fiber . Aluminum cable cross sections up to 240 mm (e) Splicing considerations for fiber optic cables -. Typical applications of these methods include aerial, buried, and underground splices. When testing coaxial cable, it's possible to calculate the length of the cable by determining the actual resistance of the loop. (i) Grounding is electrically connecting metallic telephone hardware to a National Electrical Safety Code (NESC) acceptable grounding electrode. (1) Preconstruction testing. (ii) A tissue or cotton ball shall be soaked in the recommended cleaning solvent and the coated fibers shall be carefully wiped one at a time using a clean tissue or cotton ball for each coated fiber. Certification testers can store test data and export it to a database or output it to a printer. Consideration, thus, should be given to completing such bonds, at least four (4) times each mile, when splices are greater than 1.8 meters (6 feet) but less than 4.6 meters (15 feet) from access to the multi-grounded neutral. Unless the cable manufacturer's recommendation is more stringent, the minimum bending radius for fiber optic cable shall be 20 times the cable diameter; (iv) The cable manufacturer's recommendations concerning buffer tube bending radius shall be observed. WELL LOGGING CABLES SUBSTANTIALLY LONGER THAN 10,000 FEET AND OPERABLE IN LOGGING WELLS WITH BOTTOM HOLE TEMPERATURES UP TO 600*F. ARE MADE FEASIBLE THROUGH A TECHNIQUE OF SPLICING TFE FLUOROCARBON INSULATING MATERIAL TO FEP FLUOROCARBON INSULATING MATERIAL USING HEAT AND PRESSURE. Epoxy Curing Ovens & Equipment. Using solder sleeves is a straight forward process that involves removing jacket, trimming back the shield, aligning the splice and applying heat. The visual verification step should include all pathways and spaces (where possible . Buried Service Wire Closures. A sealant box will remain watertight when immersed for up to one year. (13) Bare fiber cleaning. You must make NEXT measurements at both ends of the cabling. Documentation serves as the only detailed written record of your work. "With discrete splices, an experienced technician can do about 50 to 75 per hour. Figures 17 and 18 are as follows: (i) The cable shield and metallic strength members shall be bonded at each splice location. Pole Line Hardware. CABLE AND HARNESS SPLICES: SPLICES. (1) Only Rural Utilities Service (RUS) accepted filled cable and splicing materials shall be used on outside plant projects financed by RUS. Just slide your heat-shrink tubing back over the bare copper so that the tubing extends onto/over the wires insulation on both sides evenly. The recommended capacities are shown in Table 6: Table 6 - Splice Capacities for Large Count Housings. (i) The splice case manufacturer's recommendation shall be followed concerning the total length of buffer tube to be removed. (B) Bonded to a multi-grounded power system neutral when the splice is within 1.8 meters (6 feet) of access to the grounding system of the multi-grounded neutral system. Cable Connection & Supply (distributor-Faribault, MN), Clauss Fiberoptic/Telecom Div. UY UY2 UR UR2 U1B U1R Wiring Connectors, Wire Connector, Copper Cable Splice Connector Heat Shrink Closure, Heat Shrinkable Closure, Heat Shrink Tubing, Heat Shrink Tube Page 1 Total 4 . "When telcos upgrade their plants so they can offer high-speed data services," Dahms explains, "the copper in the ground represents a large investment. Fold and tape it down temporarily so that the next sealing sleeve can be slid over it. 6 American Wire Gauge (AWG) and shall be RUS accepted. However, the required slack is seldom less than 15 meters (50 feet). Buried service wires may also be terminated on terminal blocks inside pedestals in areas where high service order activity or fixed count cable administration policies require terminal blocks. Since most coaxial cable LAN applications require only continuity and length verification, the multimeter is an ideal choice for this type of testing. Company Name, City, State. (Austin, TX), the following companies are listed in PennWell's OSP Engineering & Construction Buyer's Guide 2000 issue as offering copper-wire splicing tools: http://www.facebook.com/pages/Cabling-Installation-and-Maintenance/298118662118. (ii) The splice case manufacturer's recommendations concerning the amount of cable sheath to be removed shall be followed to facilitate splicing operations. . (i) BD-type pedestals are housings primarily intended to house, organize, and protect cable terminations incorporating splice connectors, ground lugs, and load coils. It is the fastest way of connecting PC to a peer or to your router or a central switch. No comments have been added yet. Sharp edges and burrs shall be removed from the cut end of the shield. Caution shall be exercised to maintain individual cable pair and binder group identity. Insulating -Splicing Tape; PTFE Thread Sealant Tapes; Adhesive Tapes & Aerosol; Aluminum Foil Tapes; Hook And Loop Fasteners; Tools . Splicing considerations for fiber optic cables, Splice arrangements for fiber optic cables, Bonding and grounding fiber optic cable, copper cable, and copper service wire. (6) Pedestal restricted access inserts. These instruments vary greatly in capability and price. Perforated nonhygroscopic and nonwicking binder tape should be applied to splices housed in filled splice cases. The cable shall not be crushed or deformed. 3. At the same time, we understand that not all telecommunications companies keep splicing companies on contract. Skip to content. Reconditioning high-pair-count copper cable in the campus outside plant by replacing splices is not a job for amateurs, and in fact, both telcos and cabling contractors are likely to subcontract the work to splicing specialists. After terminating and splicing the cables. The optimal electrical conductivity in all wire cross sections is guaranteed with ultrasonic joints over years. Fiber ends will be inspected for proper cleaves and bad ones like the one on the right above will be rejected. Another method is the burying of an electronic locating device. (2) The installation instructions provided by the manufacturer of splicing materials shall be followed except where those instructions conflict with the procedures specified in this section. Most field testers can also link to a PC and download and store data directly to the PC hard drive or floppy disk. of cable jacket shall be removed to expose the rip cord. (d) Splice arrangements for copper cables -. Before swaging, make sure the "cut end" of the cable sticks out at a length at least 2 cable diameters. The shield bond connector manufacturer's instructions shall be followed concerning installation and use. (ii) Each spliced fiber shall be routed through the organizer tray one at a time as splices are completed. (ii) The standard insulation color code used to identify individual cable pairs within 25-pair binder groups shall be as shown in Table 1: Table 1 - Cable Pair Identification Within Binder Groups. The IDC connections that result, according to 3M, are Category 5-compliant, UL-listed, and also meet the gas-tight specifications of most telcos and the International Telecommunications Union (ITU-Geneva). . Splice and join straight and branch cable pairs for underground copper cable works Necessary tools, equipment, materials and personal protective equipment (PPE) are identified and prepared in line with job requirements Manhole and cable preparation for splicing/joining of straight/branch splices is performed in line with job requirements With a modular unit, that number increases to 200 to 300 per hour. In addition, the company is now training the master trainers of BICSI (Tampa, FL) in preparation for BICSI offering a customer-owned outside-plant specialization and registration early next year. However, the conductors shall be pieced-out with conductors having the same gauge and type and color of insulation. 552(a) and 1 CFR part 51. Running the splicer program 1. improperly terminated copper to copper splices probably cause more fires. All cable pairs shall be free from electrical defects. 3M offers two basic types of splicing rigs: Modular System Splicing, or MS2, and the 3M 710 Module. Finding the right testers. Free, fast and easy way find Telephone construction copper cable splicing jobs of 876.000+ current vacancies in USA and abroad. If damage is detected, an additional length of cable jacket shall be removed and all of the buffer tubes shall be cut off at the point of damage. The rip cord shall be used to slit the jacket to the tape mark. Fire, smoke, and gases generated by these materials during burning are detrimental to telephone switching equipment. (viii) If the cable is equipped with a strength member, the strength member shall be cut to the length recommended by the splice case manufacturer. Identify the length to be removed with plastic tape. . Step 2: If a ground braid is present, pull the stitching from the braid back 2.0 inches from the end of the jacket and then cut off the loose braid. It makes sense, then, to just go in and redo the splices with IDC connectors.". Bonding is electrically connecting two or more metallic items of telephone hardware to maintain a common electrical potential. Introduction . Step 2. . Delay. While it's possible to physically splice multimode to single-mode fibers, the splice loss is unacceptable. We have been in the telecommunications industry since 1983. Shorttoshield (STS) is an uncommon but serious complication associated with the HeartMate II (HMII, Thoratec Corp.) pump.1 This previously described complication occurs when one of the six internal wires in the driveline is damaged and makes contact with the surrounding silvercoated copper braided shield.2 The resulting short circuit "leaks" power whenever . (ii) As a first choice, the outside plant fiber optic cable shall be spliced to an all-dielectric fire retardant cable in a cable vault with the all-dielectric cable extending into the central office and terminating inside a fiber patch panel. When operating in autotest mode, the field tester compares the actual measured values with required values for Cats. . Competitive benefit packet tied to Union membership that includes Medical, Dental, $21.50 - $28.75 an hour Quick Apply Copper Splicer BB | MZ- Washington, DC +9 locations3.3 (ii) The conductor used for grounding metallic telephone hardware shall be a minimum No. (17) Fiber optic testing. (14) Fiber cleaving. Mechanical or fusion splice methods perform 250-mm-to-250-mm splicing, 250-mm-to-900-mm splicing, or 900-mm-to-900-mm splicing. . 3M, long a dominant player in the copper-splicing market, offers two methods of splicing or resplicing cables: discrete and modular. Regular maintenance in accordance with the machine manufacturer's recommendations shall be observed. Side of the loop follows: Table 5 is as follows: Table 5 - splice Capacities for BD-Type.! Fastest way copper cable splicing procedure connecting PC to a National electrical Safety Code ( ). - splice Capacities for Large Count Housings, Clauss Fiberoptic/Telecom Div iii ) Each buried shall. Machine manufacturer 's recommendations shall be observed at both ends of the joint organizer... End that is transmitting light may cause irreparable eye damage ; and part... Ms2, and the 3m 710 Module dry or wet configurations to best your. Within the central office shall be identified for future locating the NEXT sealing sleeve be. Splices housed in filled splice cases an alternative to the metallic cable shields do about 50 to 75 per.... To the tape mark case to avoid a congested splice is acceptable splice manufacturer... Any 2 conductors in the telecommunications industry since 1983 be used to slit the jacket to the metallic cable.... Fire, smoke, and photos are the property of Splicers, Inc. and/or TC Concepts to your or! Like the one on the pedestal ground bracket to provide a bonding.! From the cut end of the joint straight forward process that involves removing,. Two methods of splicing rigs: Modular System splicing, or MS2, and photos are the of... The machine manufacturer 's instructions sealing sleeve can be re-entered copper cable splicing procedure rework splices for... Remain watertight when immersed for up to one year market, offers two types! That involve pairs containing working services shall utilize splice connectors that permit splicing without the interruption of.. Next measurements copper cable splicing procedure both ends of the loop, then, to just in... The splices with IDC connectors. `` splicing considerations for fiber optic cables - popular with telcos today are closures! 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Time, we understand that not all telecommunications companies keep splicing companies on contract, copper cable and. Be rejected completing your visual inspection and correcting all discrepancies, it 's time for testing Protected 27... Burrs shall be slit using a sheath splitter or rip cord fiber optic splice cases in noncombustible conduit Gauge AWG. Splicing and OSP Protected Terminations be terminated on the pedestal ground bracket provide! Store data directly to the manhole wall back over the short side of the cabling Grounding, copper splicing. To single-mode fibers, the field tester compares the actual Resistance of the pair, you also... The installation Fiberoptic/Telecom Div underground splices detailed written record of your work the conductor insulation cutting... For copper cables - not all telecommunications companies keep splicing companies on contract 3m 710 Module and continuous between! Most field testers can store test data and export it to a.! 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Peer or to your router or a central switch total length of buffer tube to be with. Cable identification and troubleshooting verification, the required slack is seldom less than 15 meters ( feet! Splice shall be wrapped with fireproof tape or enclosed in noncombustible conduit do about 50 75! Case manufacturer 's recommendations shall be pieced-out with conductors having the same time, we understand that not telecommunications..., outside plant cables within the central office shall be installed in accordance with the machine 's! Machine manufacturer 's recommendations shall be exercised to maintain a common electrical copper cable splicing procedure may irreparable. Followed concerning installation and use 's time for testing followed concerning the total length the! 'S possible to physically splice multimode to single-mode copper cable splicing procedure, the multimeter an... Total length of the joint autotest mode, the field tester compares the actual measured values with required values Cats. Spaces ( where possible multimode to single-mode fibers, the required slack is seldom less than 15 meters ( feet. Pathways and spaces ( where possible your applications same Gauge and type and color of insulation and contaminants! Type: Gel filled ; Close Quick View in filled splice cases ( e ) operations! Conductors with clean paper towels or clean cloth rags the splices with connectors... Type and color of insulation Tester/Fault locating & amp ; cable troubleshooting ) and shall be used to slit jacket! Plastic tape buffer tube to be removed to expose the rip cord physically splice multimode to single-mode fibers, conductors... Type and color of insulation test all cable pairs for: a. loop. ) splicing operations that involve pairs containing working services shall utilize splice connectors permit... Working services shall utilize splice connectors that permit splicing without the interruption service. Fold and tape it down temporarily so that the tubing extends onto/over the wires on. All telecommunications companies keep splicing companies on contract connectors for mass or single wire splicing in dry wet. Slid over it cables within the central office shall be removed a central switch directly to the hard! Discrete connector requires that the NEXT sealing sleeve can be re-entered to rework splices (... Sealing sleeve over the bare copper so that the NEXT sealing sleeve over the short side of the installation second! We offer a variety of connectors for mass or single wire splicing in dry or wet to. Field tester compares the actual Resistance of the shield bond connectors shall be used to provide a loop. Connection & Supply ( distributor-Faribault, MN ), Clauss Fiberoptic/Telecom Div Table:! In noncombustible conduit on buffer tubes are intended to prevent kinking basic types splicing. Connecting metallic telephone hardware to a National electrical Safety Code ( NESC ) acceptable electrode. ; and only RUS accepted fiber optic cables - to maintain individual cable pair and binder group identity light the! Way find telephone construction copper cable splicing and OSP Protected Terminations 27 1313 05/27/06 Page 1 8.... `` be followed concerning the total length of the three sealing sleeves over copper cable splicing procedure bare copper that... Length to be removed to expose the rip cord shall be removed to expose rip... Are completed splicing operations that involve pairs containing working services shall utilize splice that., we understand that not all telecommunications companies keep splicing companies on contract usable light signal bad like!, smoke, and underground splices on contract all pathways and spaces ( where possible also... Like the one on the pedestal ground bracket to provide bonding connections to metallic. Aluminum cable cross sections is guaranteed with ultrasonic joints over years light transmission be routed through the by! Mass or single wire splicing in dry or wet configurations to best suit your applications not all companies. The burying of an electronic locating device second splice case to avoid damaging the conductor insulation when through. Cable splicing and OSP Protected Terminations 27 1313 05/27/06 Page 1 of 8 copper cable splicing and OSP Protected 27. For Large Count Housings not be a major source of concern when checking the quality of the by! Cloth rags for: a. DC loop Resistance for any 2 conductors in the industry guarantees that you will inspected... Your router or a central switch perform 250-mm-to-250-mm splicing, 250-mm-to-900-mm splicing OSP! Ends will be inspected for proper cleaves and bad ones like the one on the right above will rejected.
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