1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFEBRUARY 22, 20171UL 3992Outline of Investigation for Patch Cords Terminating in Eight-PositionModular Plug Connectors PerformanceIssue Number: 1February 22, 2017Summary of TopicsThis first issue
2、 of the Outline of Investigation for Patch Cords Terminatingin Eight-Position Modular Plug Connectors Performance, UL 3992,covers the performance of patch cords utilizing RJ45 style 8-pin modularplug connectors. It also covers the 8-position modular plug connectorsused in the construction of these c
3、able assemblies.ULs Outlines of Investigation are copyrighted by UL LLC. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall rem
4、ain the sole and exclusive property of ULLLC.COPYRIGHT 2017 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFEBRUARY 22, 2017UL 39922No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHO
5、UT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Reference Publications 43 Units of Measurement .54 Definitions 5CONSTRUCTION5 Mechanical and Dimensional Requirements for Connectors 55.1 General .55.2 Connector contacts .55.3 Solderless connections 65.4 Connector material .65.5 Cables 65.6 Insul
6、ated conductor color codes for connectors 75.7 Length 8PERFORMANCE6 Data Transmission Performance (Category) Testing .86.1 General .87 Strain-Relief Test .98 Flexing Test 99 Mechanical Operation Test 1010 Dielectric Voltage-Withstand Test .1111 Pull-Out Force Test Solderless Connections 11MANUFACTUR
7、ING AND PRODUCTION12 Production Line Continuity Test .1113 Contact Surface Layer Verification 12MARKINGS14 General Markings .13FEBRUARY 22, 2017 UL 3992 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outline of In
8、vestigation covers the signal transmission, environmental and/or mechanicalperformance characteristics of Patch Cords terminating in eight-position modular plug connectors. It alsocovers the eight-position modular plug connectors used in the construction of these cable assemblies.2 Reference Publica
9、tionsAny undated reference to a code or standard appearing in the requirements of this Outline shall beinterpreted as referring to the latest edition of that code or standard.ANSI/EIAEIA-364-53BNitric Acid Vapor Test, Gold Finish Test Procedure for Electrical Connectors and SocketsANSI/TIAANSI/TIA-1
10、096-ATelecommunications Telephone Terminal Equipment Connector Requirements for Connection of TerminalEquipment to the Telephone NetworkANSI/TIA-568-C.2-2009Balanced Twisted-Pair Telecommunications Cabling and Components StandardsASTMASTM E384-05aStandard Test Method for Microindentation Hardness of
11、 MaterialsIECIEC 60603-7:2008Connectors for electronic equipment Part 7: Detail specification for 8-way, unshielded, free and fixedconnectorsIEC 61935-2:2010Specification for the testing of balanced and coaxial information technology cabling Part 2: Cords asspecified in ISO/IEC 11801 and related sta
12、ndardsUL (Underwriters Laboratories Inc.)UL 94Tests for Flammability of Plastic Materials for Parts in Devices and AppliancesUL 444Communications CablesUL 746CStandard for Polymeric Materials Use in Electrical Equipment EvaluationsFEBRUARY 22, 2017UL 39924UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR F
13、URTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Units of Measurement3.1 The unit of measure shall be SI. If a value for measurement is followed by a value in other units inparentheses, the second value represents a direct conversion or an alternative value.4 Definitions4.1 For the pur
14、pose of this Outline, the following definitions apply.4.2 PATCH CABLE A cable used in the construction of a patch cord.4.3 PATCH CORD A cable assembly consisting of a length of cable and its accompanyingconnectors intended to be used for a specific purpose. (Also known as work area cord, equipment c
15、ord,and jumper cable.)CONSTRUCTION5 Mechanical and Dimensional Requirements for Connectors5.1 General5.1.1 Each patch cord shall be terminated in an eight-position modular plug connector complying with themechanical and contact specifications in ANSI/TIA-1096-A as follows:a) Figure 4-10: 8-Position
16、Unkeyed Plug Mechanical Specificationb) Figure 4-11: 8-Position Unkeyed Plug, Mechanical Specification (continued)c) Figure 4-12: 8-Position Unkeyed Plug, Plug/Jack Contact Specificationd) Figure 4-13: 8-Position Unkeyed Plug, Minimum Plug Size (No-Go Gauge)e) Figure 4-14: 8-Position Unkeyed Plug, M
17、aximum Plug Size (Go Gauge)5.2 Connector contacts5.2.1 Contact finish in the region of contact shall comply with either 5.2.2 or 5.2.3.5.2.2 Contact finish in the region of contact shall be hard gold and shall have a minimum gold thicknessof 1.2700 m (50 in). The hard gold finish shall comply with t
18、he gold surface layer and nickel barrier layerrequirements in Section 5.1, Hard Gold Contacts of ANSI/TIA-1096-A.5.2.3 Other material is permitted to be used provided the material is compatible with hard gold contactsas specified in Section 5.1 of ANSI/TIA-1096-A and comply with the performance requ
19、irements specifiedin Section 5.2 of ANSI/TIA-1096-A.FEBRUARY 22, 2017 UL 3992 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.2.4 A smooth, burr-free surface shall exist at the interface. Compliance is determined by the MechanicalOperation
20、Test, Section 9.5.3 Solderless connections5.3.1 Solderless connections shall comply with the following:a) The combination of wire and termination shall be compatible,b) The wire shall be stripped to the correct length specified by the manufacturer. The strippedpart of the conductor shall not be dama
21、ged and shall be clean and free from particles ofinsulation,c) The conductor shall be correctly located in the termination at the correct depth specified bythe manufacturer,d) For stranded wire, all strands of the wire shall be within the termination. There shall be nodamaged strands,e) Where the te
22、rmination is equipped with an insulation support or insulation grip, the insulationshall be correctly located in the support or grip, andf) The connection shall comply with the Pull-Out Force Test Solderless Connections, Section11.5.4 Connector material5.4.1 The material used for a connector shall h
23、ave a minimum flame classification rating of V-1 accordingto UL 94 at the minimum thickness used.Exception: A polymeric material need not have a flame rating for the thinnest measured thickness whenthe molded connector/material combination complies with the 12 mm (0.47 inch) end-product flame testde
24、scribed in UL 746C.5.5 Cables5.5.1 Patch cable shall be constructed of four twisted pairs of stranded or solid conductors, optionalshield(s), and an overall jacket. Cables used for patch cords shall comply with the requirements describedin UL 444 and determined to be suitable for the application.5.5
25、.2 Patch cables shall meet the requirements described in Section 5.5, Cord cable mechanicalperformance, in ANSI/TIA-568-C.2-2009 except that AWG sizes as small as 30 AWG are permitted to beused if determined to be suitable for the application.FEBRUARY 22, 2017UL 39926UL COPYRIGHTED MATERIAL NOT AUTH
26、ORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.6 Insulated conductor color codes for connectors5.6.1 Patch cords shall be terminated in either a T568A or T568B configuration. Both ends shall use thesame configuration. The insulated conductor color coding for cord cable sh
27、all comply with the insulatedconductor color codes for cords and jumpers in ANSI/TIA-568-C.2. A lighter shade of the solid coloredconductor is permitted to be used instead of white as long as it is clearly distinguishable from the solidcolored conductor. Patch cords terminated in either T568A or T56
28、8B are permitted to be usedinterchangeably, provided that both ends are terminated with the same configuration.Note: Because of their same pin-out at the connectors, patch cords terminatedThis is generated text for figtxt.Figure 5.1Examples of TIA 568 A/B straight cable wiringFEBRUARY 22, 2017 UL 39
29、92 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.7 Length5.7.1 The measured length of a patch cord shall be within 10 percent of the identified length whenmeasured from the face of one connector to the face of the connector at the far end
30、 of the cable.PERFORMANCE6 Data Transmission Performance (Category) Testing6.1 General6.1.1 Patch cords shall comply with the applicable transmission performance requirements for cords andjumpers described in ANSI/TIA-568-C.2for the category submitted.6.1.2 Three as-received samples of the patch cor
31、d shall be subjected to the data transmissionperformance tests described in 6.1.3 6.1.5.6.1.3 Patch cords shall be tested bi-directionally at room temperature 20C3C and 505 percentrelative humidity. Patch cords may be tested coiled. If the patch cord does not comply in the coiledposition, the test s
32、hall be repeated with the cords straightened during the test.Figure 5.2Modular plug connector pin identificationFEBRUARY 22, 2017UL 39928UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6.1.4 The test equipment to be used for testing shall be l
33、aboratory grade and in compliance withANSI/TIA-568-C.2.6.1.5 When different lengths of a particular patch cord construction are being evaluated, the samplesshall include the shortest, longest, and mid-length cable assemblies.6.1.6 In addition, one sample shall be subjected the Strain-Relief Test, Se
34、ction 7, one sample subjectedto the Flexing Test, Section 8, and the third sample subjected to the Mechanical Operation Test, Section9. After being subjected to these tests, Data Transmission Performance (Category) Testing, Section 6described above shall be repeated and the patch cords shall comply
35、with 6.1.1.7 Strain-Relief Test7.1 After being subjected to the test described below, there shall be no evidence of movement of thecable relative to the connector that would place undue stress on the internal wiring connections.7.2 Each different combination of patch cable and connector type shall b
36、e subjected to the following tests.7.3 The plug is to be mounted with the cord hanging in a vertical position. A force of 50 N (11.25 lbf) isto be gradually applied to the cord. The direction of application of the force is to be varied from directlydownward to an angle of 45 degrees from the vertica
37、l in all directions. The force is to be applied for aperiod of 1 minute.7.4 When the strain-relief means utilizes a plastic part, the test shall be repeated on a new sample thathas been placed in an air-circulating oven aged for 7 hours at 70C (158F). The sample shall be allowedto cool to room tempe
38、rature prior to the application of the force.7.5 After the strain relief test on the as-received sample, the tests in Data Transmission Performance(Category) Testing, Section 6, shall be repeated and the patch cord shall comply with the applicablerequirements for the category.8 Flexing Test8.1 After
39、 being subjected to flexing described below, there shall be no damage or breakage of the cordat the point of flexing and there shall be no evidence of movement of the cable relative to the connectorthat puts stress on the internal wiring connections.8.2 Each different combination of patch cable and
40、connector type shall be subjected to the following tests.8.3 A patch cord shall be subjected to 500 cycles of flexing as described in paragraphs 8.4 or 8.5.8.4 The patch cord shall be tested in accordance with IEC 61935-2:2010, Section 7.3, Flexure. The rateof flexure shall be 20 per minute.8.5 A sa
41、mple of the cable assembly is to be secured to the flexing apparatus so that the cord assumesthe natural bend permitted by the assembly. Each connector is to be secured in the jaws of the flexingmachine so that the point of cord exit is at the center of rotation. The rotating jaws are to be adjusted
42、 torotate to an angle of 90 degrees to each side of the centered position. At the centered position, the cordis to hang vertically and a test weight of 4 oz. (113 g) is to be attached to the cord approximately 305 mm(12 inches) from the point of rotation as illustrated in Figure 8.1.This is generate
43、d text for figtxt.FEBRUARY 22, 2017 UL 3992 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULaCord guides are used only to control oscillation of the wire during testing and can therefore be adjusted,if necessary, so that the cord does not con
44、tact the guides in a manner that could increase the degree ofbend present at its entry to the fitting during the test.9 Mechanical Operation Test9.1 Modular plugs used on a patch cord shall be able to withstand 750 mating cycles (insertions andwithdrawals) without degradation of performance.9.2 The
45、plug shall be subjected to 750 mating cycles without electrical load. The minimum intervalbetween cycles shall be 1 second. Mating and unmating of the plug and jack constitutes one cycle andshall be at a rate not exceeding 10 mm/s (0.4 in/s). The mating jack shall be new and in compliance withANSI/T
46、IA-1096-A. Mechanical aids which simulate normal operation may be used provided that they donot introduce abnormal stresses.9.3 After the test, the tests in Data Transmission Performance (Category) Testing, Section 6 shall berepeated and the patch cord shall comply with the applicable requirements f
47、or the category.Figure 8.1Flexing test apparatusFEBRUARY 22, 2017UL 399210UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL10 Dielectric Voltage-Withstand Test10.1 When tested as described below, a patch cord shall withstand without breakdown t
48、he application ofa 60 Hz essentially sinusoidal potential of 1000 V applied for 1 minute.10.2 One previously untested product is to be subjected to this test. The test potential shall be appliedbetween each of the contacts of the connector and between the contacts and any non-current-carryingmetal p
49、arts.10.3 The applied potential is to be increased from zero until the required test voltage is reached, and isto be held at that voltage for a period of 1 minute. The increase in the applied potential is to be at auniform rate and as rapid as is consistent with its value being correctly indicated by a voltmeter. The patchcord is to be tested by means of a 500 VA or larger capacity transformer whose output voltage isessentially sinusoidal and can be varied.11 Pull-Out Force Test Solderless Connections11.1 As a result of the test described below,
