TIA-604-10-B-2008 FOCIS 10B Fiber Optic Connector Intermateability Standard- Type LC《FOCIS 10B 1C型光纤连接器适配性标准》.pdf

1、 TIA-604-10-B (Revision of TIA-604-10-A) August 2008FOCIS 10B Fiber Optic Connector Intermateability Standard- Type LC ANSI/TIA-604-10-B-2008 APPROVED: AUGUST 25, 2008 REAFFIRMED: MARCH 30, 2015 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through elimi

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23、HESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA/EIA-604-10BiFOCIS 10BFIBER OPTIC CONNECTOR INTERMATEABILITY STANDARDTYPE LCCONTENTS1 INTRODUCTION 12 ADAPTER STANDARD 33 PLUG STANDARD 54 APPLICATION 85 POLARIZATION MAINTENANCE 8TIA/EIA-604-10BiiBLANK PAGETIA/EIA-604-10B1FOCI

24、S 10BFIBER OPTIC CONNECTOR INTERMATEABILITY STANDARD1 Introduction1.1 ScopeFOCIS 10B presents the intermateability standard for simplex and duplex connectorswith the commercial designation LC, and is issued as an addendum to TIA/EIA 604,Fiber Optic Connector Intermateability Standards. The provision

25、s of TIA/EIA 604 applyto this document.1.2 ObjectiveIntermateability standards define the minimum physical attributes of mating connectorcomponents. Fully dimensioned components are not within the scope or intent of FOCIS10B.The requirements in FOCIS 10B have been selected with the objective of ensu

26、ring thatany combination of plugs and adapters conforming to the requirements of FOCIS 10Bwill mechanically intermate, and that intermated connector assemblies will meet acommon level of performance.The common level of performance of an intermated connector assembly is the leastdemanding set of perf

27、ormance requirements in the separate performance specificationsof each of the products in the assembly; see TIA/EIA 604.1.3 LimitationsRealization of the objectives for FOCIS 10B may be limited by the followingconsiderations:1.3.1 Configuration OptionsThere are configuration options for both plugs a

28、nd adapters in FOCIS 10B that imposelimitations on the combinations of plugs and adapters that should be selected in aconnector assembly. For plugs to be inserted in the adapter, the key option, k, for both plugs must becompatible with the keying option of the adapter Both plugs should have the same

29、 ferrule diameter option, t. An assembly withdifferent diameter options may have a higher loss than anticipated. Both plugs should have the same angle of contact option, a. An increase in loss maybe expected if the plugs with different options are mated, and the polish on theferrule may be damaged.T

30、IA/EIA-604-10B21.3.2 Common performanceThe following considerations limit the application of common performance: The location of the optical cores, figure 3.2.3a, and the apex offsets, clause 3.2.5,are defined, without tolerances, by their true positions. To achieve commonperformance, the distributi

31、ons of the actual positions of these features should becentered on their respective true positions. Tuning of the connector plugs may improve performance when plugs are mated withplugs that have been similarly tuned. Tuning, however, offsets the cores relative tothe center of the ferrule and common

32、performance can not be expected betweentuned plugs and untuned plugs. Tuned plugs are assembled so the offset of the fiberfalls in a preferred location with respect to the key; see clause 3.2.8. As analternative to tuning for fiber offset, plugs could be tuned for apex offset. This standard does not

33、 control the intrinsic loss that may occur between fibers in aconnector assembly. Intrinsic loss between fibers must be added to the basicconnector loss.1.3.3 ResolutionCases of combinations of plugs and adapters where mechanical intermateability or thecommon level of performance is not achieved sho

34、uld be resolved through thecooperation of the user and the connector and adapter manufacturer(s).1.4 Drawing practicesTo be in compliance with ANSI and ISO Engineering Practices, the following shall apply:1. Where the tolerance of form is not specified, the limits of the dimensions for afeature cont

35、rol the form as well as the size. The combined effects of size andform variations may not exceed the envelope of perfect form at the maximummaterial condition (MMC).2. Where interrelated features of size (features shown with a common axis orcenter plane) have no geometric tolerance of location or ru

36、nout specified, thelimits of the dimensions for a feature control the location tolerance as well as thesize. When interrelated features are at the MMC, they shall be perfectly locatedrelative to each other as indicated by the drawing.3. Where perpendicular features (features shown at right angles) h

37、ave nogeometric tolerance of orientation or runout specified, the limits of thedimensions for a feature control the orientation tolerance as well as the size.When perpendicular features are at the MMC, they shall be perfectly oriented toeach other as indicated by the drawing.4. As the size of a feat

38、ure departs from the MMC, variations in form, location andorientation are permissible.TIA/EIA-604-10B32 Adapter Standard2.1 Adapter designationThe designation for FOCIS 10B adapter isFOCIS 10B-A-n-k-mwhereA designates an adaptern is the number of fibersk defines the keying configurationm defines the

39、 mounting configuration2.2 Adapter requirementsFOCIS 10B adapters shall meet the requirements of this section.2.2.1 Adapter interface dimensionsThe dimensional requirements for FOCIS 10B adapters are defined as follows:n = 1 Figure 2.2.1a, Simplex adapter interface and Figure 2.2.1b Simplexjunior ad

40、apter interfacen = 2 Figure 2.2.1c, Duplex adapter interface2.2.2 Adapter sleevesThe adapter sleeve is a split (resilient), and the sleeve may be either fixed or floatingwithin the adapter. The minimum inside diameter of the sleeve is specified by the forcerequired to remove a gage pin from a sleeve

41、. The force required to remove a gage pinfrom the sleeve in FOCIS 10B adapter shall be 1.0 N to 2.5 N. The procedures of FOTP158 shall be used to measure the withdrawal force. The pin gauge shall be as defined inFigure 2.2.2The maximum inside diameter of a sleeve is in effect limited by the common l

42、evel ofperformance that the adapter is to achieve.TIA/EIA-604-10B42.2.3 Adapter keying optionsKeying refers to differences in the interface between FOCIS 10B plugs and adaptersthat affect the ability of plugs and adapters to be connected or that alter theperformance of the resulting connector assemb

43、ly.The keying interfaces have been defined:k = 1 Figure 2.2.1a, Senior Adapter Halfk = 2. Figure 2.2.1b. Junior Adapter HalfAdapters can be made with either, k = 1 and k = 1 adapter halves or k = 1 and k = 2.adapter halves. Adapters with k = 1 and k = 2 is mounted so the k = 2 half is mountedbehind

44、the panel protected from mechanical elements. Adapter with k = 2 / k = 2 optionis not recognized as FOCIS 10B compliant.2.2.4 Adapter mounting optionsThe adapter mounting options are defined in Table 2.Table 2 - Adapter optionsAdapterMountingOptionType of mountingm = 0 Unspecified mountingm = 1 Simp

45、lex Snap-in Flange Mountingm = 2 Duplex Snap-in Flange Mountingm = 3 Duplex Snap-in Flange Mounting compatible with FOCIS 3A m = 3m = 4 Duplex Snap-in Flange Mounting compatible with FOCIS 3A m = 1 and m = 2Adapters whose mounting features are not defined are identified with the option m = 0.The dim

46、ensions of the surfaces of the adapter that interface with the mounting panel aredefined by the cutouts in the panel on which the adapter is mounted.FOCIS 10B adapters for m = 1, m = 2, m = 3, and m = 4 shall be capable of beingmounted on panels with the dimensions in Figure 2.2.4.TIA/EIA-604-10B53

47、Plug standard3.1 Plug designationThe complete designation for FOCIS 10B connector plug is:FOCIS 10B P-d-n-k-t-awhereP designates a plugd defines the plug designn is the number of fibersk defines the keying arrangementt defines the ferrule diametera is the angle of contact3.2 Plug requirementsFOCIS 1

48、0B plugs shall meet the requirements of this section.3.2.1 Plug interface optionThere are two plug interface option for FOCIS 10B plugs. The requirement for each ofthese interface options are:d = 1 The elements of the plug that control the interface with the adapter, forplugs offered under this opti

49、on, must meet the dimensional requirementsof figure 3.2.3a Simplex plug interface (d=1).d = 2 The elements of the plug that control the interface with the adapter, forplugs offered under this option, must meet the dimensional requirementsof figure 3.2.3b, Duplex plug interface (d=2).3.2.2 Ferrule diameter optionFerrule diameters for FOCIS 10B plugs are specified in Table 3.Table 3 - Ferrule diametertMinimum(mm)Maximum(mm) Fiber1 1.2483 1.2495 Singlemode2 1.2485 1.2495 Singlemode3 1.2467 1.2495 MultimodeThe ferrule tolerance t = 1 and t = 2 is typically applied to plugs with