1、 TIA-604-15 January 2003FOCIS 15 Fiber Optic Connector Intermateability Standard- Type MF TIA-604-15-2003 APPROVED: JANUARY 10, 2003 REAFFIRMED: JANUARY 29, 2014 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between
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19、 HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-604-15 FOCIS 15 FIBER OPTIC CONNECTOR INTERMATEABILITY STANDARD TYPE MF TABLE OF CONTENTS 1 INTRODUCTION 2 2 ADAPTER STANDARD 4 3 PLUG STANDARD 5 4 APPLICATIONS 7 1 TIA-604-15 1 Introduction 1.1 Scope FOCIS 15 pr
20、esents the intermateability standard for connectors with the commercial designation of MF, and is used as an addendum to TIA/EIA-604, Fiber Optic Connector Intermateability Standards. The provisions of TIA/EIA-604 apply to this document. 1.2 Objective Intermateability standards define the minimum ph
21、ysical attributes of mating connector components. Fully dimensioned components are not within the scope or intent of FOCIS 15. The requirements of FOCIS 15 have been selected with the objectives of ensuring that any combination of plugs and adapters conforming to the requirements of FOCIS 15 will me
22、chanically intermate, and that intermated connector assembles will meet their common level of performance. The common level of performance of an intermated connector assembly is the least demanding set of performance requirements in the separate performance specifications of each of the products in
23、the assembly; see TIA/EIA-604. 1.3 Limitations Realization of the objectives for FOCIS 15 may be limited by the following considerations: 1.3.1 Configuration Options There are configuration options in FOCIS 15 that impose limitations on the combinations of plugs that should be combined in a connecto
24、r assembly. Both plugs should have the same number of fibers, option n. Each set of plugs in a pair should have the same alignment diameter, option t, with regards to the pin of one connector, and the pinhole of the other. The following standards are intermateable. Table 1.3.1 Plugs Male connector h
25、ousing Female connector housing Adaptors MF-B3 MF-B2 MF-A3 MF-A2 mate not mate mate1)MF-A1 not mate not mate mate 1)MF-B1 not mate mate not mate 1)MF-A1 and MF-A2 can be connected only reciprocally. 2 TIA-604-15 1.3.2 Common Performance The location of the optical cores, as shown in Figure 3.2.3, ar
26、e defined, without tolerances, by their true positions. For common performance to apply to the distribution of the optical cores, as shown in Figure 3.2.3, should be centered on their respective true positions. This standard does not control the instrinsic loss that may occur between fibers in a con
27、nector assembly. Instrinsic loss between fibers must be added to the basic connector loss. 1.3.3 Resolution Cases of combinations of plugs and adapters where mechanical intermateability or the common level of performance is not achieved should be resolved through the cooperation of the user and the
28、connector and adapter manufacturer(s). 1.4 Drawing practices To be in compliance with ANSI and ISO Engineering Drawing Practices, the following shall apply: 1. Where a tolerance of form is not specified, the limits of the dimensions for a feature control the form as well as the size. The combined ef
29、fects of size and form variations may not exceed the envelope of perfect form at the MMC (maximum material condition). 2. Where interrelated features of size (features shown with a common axis or center plane) have no geometric tolerance of location or runout specified, the limits of the dimensions
30、for a feature control the location tolerance as well as the size. When the interrelated features are at the MMC, they shall be perfectly located to each other as indicated by the drawing. 3. Where perpendicular features (features shown at right angles) have no geometric tolerance or orientation or r
31、unout specified, the limits of the dimensions for a feature control the orientation tolerance as well as the size. When perpendicular features are at the MMC, they shall be perfectly oriented to each other as indicated by the drawing. 4. As the size of a feature departs from the MMC, variations in f
32、orm, location and orientation are permissible. 3 TIA-604-15 2. Adapter standard 2.1 Adapter designation The complete designation for a FOCIS 15 connector adapter is: FOCIS 15 A k m where: A designates that it is the adapter k defines the keying configuration m defines the mounting configuration 2.2
33、Adapter requirements FOCIS 15 adapters shall meet the requirements of this section. 2.2.1 Adapter interface dimensions The dimensional requirements for FOCIS 15 adapters are defined in Figure 2.2.1. 2.2.2 Adapter keying options Two options have been defined for the adapter keying configuration: k =
34、1 Is the standard keying configuration for FOCIS 15 adapters, and is shown in Figure 2.2.1. k = 2 Is an alternative keying configuration for FOCIS 15 adapters, and is shown in Figure 6. 2.2.3 Adapter mounting options The only mounting option specified is m = 0. The mounting features for this option
35、are undefined. 4 TIA-604-15 3. Plug standard 3.1 Plug designation The complete designation for a FOCIS 15 plug is: FOCIS 15 P n k a c t where : P designates that it is the plug n is the number of fibers k defines the keying configuration a is the angle of contact c designates whether the plug interf
36、ace contains alignment pins or holes t designates the alignment pin/hole diameter 3.2 Plug requirements FOCIS 15 plugs shall meet the requirements of this section. 3.2.1 Plug interface dimensions The dimensional requirements for FOCIS 15 plugs are defined in Figures 3.2.6 a, b and c. 3.2.2 Ferrule e
37、xtension and contact force The travel of the ferrule relative to the plug body and the spring force on the ferrule are defined in Figure 2. 3.2.3 Number of fibers option The five values defined for the number of fibers are specified in Table 1. Table 3.2.3 Number of Fibers Options Fibers Option Numb
38、er of Fibers n = 2 2 n = 4 4 n = 6 6 n = 8 8 n = 10 10 n = 12 12 3.2.4 Plug keying option Only a single keying option for FOCIS 15 plugs has been defined, k = 1. 5TIA-604-15 3.2.5 Contact angle The contact angle is the angle between the plane of contact between mating fibers, and a plane perpendicul
39、ar to the optical axis of the plug. a = 8, designates an angle of 8 a = 0, for 0 degree endface. The dimensional requirements are defined in Annex C. 3.2.6 Plug interface option Two options have been defined for the plug interface: c = 1, to designate a plug interface that contains alignment pins (s
40、hown in Figure 3.2.6a). c = 2, to designate a plug interface that contains alignment holes (shown in Figure 3.2.6b). c = 3, to designate a plug interface that contains alignment pins for backplane (shown in Figure 3.2.6c). 3.2.7 Alignment pin/hole diameter option Alignment pin/hole diameter options
41、for FOCIS 15 plugs are specified in Table 2. Table 3.2.7 Alignment Pin/Hole Diameter Options Dimensions (mm) Alignment Pin Diameter Alignment Hole Diameter Option Minimum Maximum Minimum Maximum t = 1 0.698 0.699 0.699 0.700 t = 2 0.697 0.699 0.699 0.701 Note: Alignment Pin/Hole Diameter Option t =
42、1 is typically used in single-mode fiber applications, t = 2 for multimode applications. 6 TIA-604-15 4. Applications The FOCIS 15 adapter requirements may be extended to hybrid adapters and receptacles. 4.1 Hybrid adapters A hybrid adapter provides an optical connection between plugs of two differe
43、nt types. A hybrid adapter between a FOCIS 15 connector and another connector would have the dimensions of Figure 2.2.1 on one side of the centerline or optical plane and the corresponding dimensions of the other type on the other side. 4.2 Receptacles A receptacle provides an optical connection to
44、a device such as an optical source or detector. It is in effect half of an adapter. A receptacle for FOCIS 15 plugs shall be designed to intermate with an option c = 2 plug. 7 TIA-604-15 Mechanical referenceNote 1): External dimensions to be defined by adapter housing system. Reference Dimensions mm
45、Notes Minimum Maximum E 0.8 -F 4.1 4.2H 2.1 - I 7.7 7.95T - 1.7R 9.00 9.15 Figure 2.2.1 - Adapter mating face limit dimensions, MF-A3 8 TIA-604-15 Note: The optical datum target is shown in the figure. The optical datum targets are located on a line X passing through the two pin-cavity centers and l
46、ocated on or symmetrically about a line Y perpendicular to line X located midway between the two pin-cavity centers. The optical datum targets are the true positions for the optical axes of the optical elements. The optical elements my be either fibers or devices. Figure 3.2.3 Fiber or Device True P
47、ositions 9 TIA-604-15 Pin holesMechanical Reference Guide-pin Figure 3.2.6a Plug Interface Option c = 1 (sheet 1) 10 TIA-604-15 Reference Dimensions mmNotes Minimum Maximum A 0.6983 0.6988 diameter, guide-pin B 4.597 4.603 C 6.3 6.5 D 10.3 10.4E 0.7 1.05 F 3.9 4.08 G 3.15 3.25I 7.53 7.68 J 0.95 1.05
48、 K 7.15 7.25M 2.4 2.5 N 3.5 3.7 P 3.45 4.05Q 1.85 1.95 R 8.65 - Engaged, note 1 S - 9.4 Disengaged, note 1 T 1.8 2.2 V 0.9 1.1CA 6.0 6.5HA 1.95 2.05 LB 3.0 -Note 1: Engaged R = 8.65 mm F = 7.0 11.8 N Disengaged R = 9.4 mm Figure 3.2.6a Plug Interface Option c = 1 (sheet 2) 11 TIA-604-15Pin holesMech
49、anical Reference Figure 3.2.6b - Plug Interface Option c = 2 (sheet 1) 12 TIA-604-15 Reference Dimensions mmNotes Minimum Maximum A 0.699 0.701 diameter, pin-holes B 4.597 4.603 C 6.3 6.5 D 10.3 10.4E 0.7 1.05 F 3.9 4.08 G 3.15 3.25I 7.53 7.68 J 0.95 1.05 K 7.15 7.25M 2.4 2.5 N 3.5 3.7 P 3.45 4.05Q 1.85 1.95 R 8.65 - Engaged, note 1 S - 9.4 Disengaged, note 1 T 1.8 2.2 V 0.9 1.1HA 1.95 2.05LB 3.0 - Note 1: Engaged R = 8.65 mm F = 7.0 11.8 N Disengaged R = 9.4 mm Figure 3.2.6b - Plug Interface Option c = 2 (sheet 2) 13 TIA-604-15 Pin-Holes Mechanical Ref
