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1、 TIA STANDARD FOCIS 16 Fiber Optic Connector Intermateability Standard Type LSH TIA-604-16-B (Revision of TIA-604-16-A) January 2006 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance ANSI/TIA-604-16-B-2005 Appr
2、oved: November 16, 2005 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networking permitted without license from IHS -,-,- NOTICE TIA Engineering St
3、andards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for
4、 their particular need. The existence of such Standards and Publications shall not in any respect preclude any member or non-member of TIA from manufacturing or selling products not conforming to such Standards and Publications. Neither shall the existence of such Standards and Publications preclude
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6、any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health p
7、ractices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 3-4932-RV2, formulated under the cognizance of the TIA FO- 4.3.2 Subcommittee on Interconnecting Devices). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technology
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9、 at http:/www.tiaonline.org/standards/search_n_order.cfm All rights reserved Printed in U.S.A. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networ
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21、CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networking permitted without license
22、 from IHS -,-,- TIA-604-16-B 1 FOCIS 16 FIBER OPTIC CONNECTOR INTERMATEABILITY STANDARD TYPE LSH TABLE OF CONTENTS 1 INTRODUCTION 2 2 ADAPTER STANDARD 4 3 PLUG STANDARD 6 4 APPLICATIONS 8 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1
23、111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-604-16-B 2 FOCIS 16 FIBER OPTIC CONNECTOR INTERMATEABILITY STANDARD Type LSH (From TIA Standards Proposal No. SP-3-4392-RV2 formulated under the cognizance o
24、f TIA FO-4.3.2, Subcommittee on Fiber Interconnecting Devices and Related Components). This document is part of the series of test standards included within TIA/EIA-604, Fiber Optic Intermateability Standards (FOCIS). 1 Introduction 1.1 Scope FOCIS 16 presents the intermateability standard for simpl
25、ex and duplex connectors with the commercial designation LSH. This standard is issued as a revision of TIA 604- 16-A, Fiber Optic Connector Intermateability Standards. The provisions of TIA 604-16- A apply to this document. 1.2 Objective Intermateability standards define the minimum physical attribu
26、tes of mating connector components. Fully dimensioned components are not within the scope or intent of FOCIS 16. The requirements in FOCIS 16 have been selected with the objective of ensuring that any combination of plugs and adapters conforming to the requirements of FOCIS 16 will mechanically inte
27、rmate, and that intermated connector assemblies will meet a 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 the assembly; see
28、TIA/EIA 604. 1.3 Limitations Ferrule Diameter: Both plugs should be the same ferrule diameter option, t. An assembly with different diameter options may have a higher loss than anticipated. Keying The keying arrangement for the plugs in a connector assembly shall be compatible with the keying arrang
29、ement for the adapter. Contact Angle Both plugs in a connector assembly shall have the same contact angle. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproducti
30、on or networking permitted without license from IHS -,-,- TIA-604-16-B 3 1.3.1 Common Performance The following considerations limit the application of common performance: The location of the optical cores, figure 3.2.1, and of the apex offsets, clause 3.2.4, are defined, without tolerances, by thei
31、r true positions. To apply common performance the distributions of the actual positions of these features should be centered on their respective true positions. Tuning of the connector plugs may improve performance when plugs are mated with plugs that have been similarly tuned. Tuning, however, offs
32、ets the cores relative to the center of the ferrule and common performance can not be expected between tuned plugs and untuned plugs. Tuned plugs are assembled so that the offset of the fiber falls in a preferred location with respect to the key, see clause 3.2.7. This standard does not control the
33、intrinsic loss that may occur between fibers in a connector assembly. Intrinsic loss between fibers must be added to the basic connector loss 1.3.2 Resolution Cases of combinations of plugs and adapters where mechanical intermateability or the common level of performance is not achieved should be re
34、solved through the cooperation of the user and the 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 co
35、ntrol the form as well as the size. The combined effects of size and form variations may not exceed the envelope of perfect form at the maximum material condition (MMC). 2. Where interrelated features of size (features shown with a common axis or center plane) have no geometric tolerance of location
36、 or runout specified, the limits of the dimensions for a feature control the location tolerance as well as the size. When 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) h
37、ave no geometric tolerance or orientation or runout 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
38、feature departs from the MMC, variations in form, location and orientation are permissible. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networkin
39、g permitted without license from IHS -,-,- TIA-604-16-B 4 2 ADAPTER STANDARD 2.1 Adapter designation The designation for a FOCIS 16 adapter is: FOCIS 16-A-n-k-m where A designates that it is the adapter n is the number of fibers k defines the keying configuration m defines the mounting configuration
40、 2.2 Adapter requirements FOCIS 16 adapters shall meet the requirements of this section. 2.2.1 Adapter interface dimensions The dimensional requirements for FOCIS 16 adapters are defined as follows: n = 1 Figure 2.2.1a, Simplex adapter interface n =2 Figure 2.2.1b and 2.2.1c, Duplex adapter interfac
41、e 2.2.2 Adapter sleeve The adapter sleeve may be either solid or split (resilient), and the sleeve may be either fixed or floating within the adapter. The minimum inside diameter of the sleeve is specified by the force required to remove a gage pin from the sleeve. The force required to remove a gag
42、e pin from the sleeve in a FOCIS 16 adapter shall not exceed 5.9 newtons (600 gf.) The procedures of FOTP 158 shall be used to measure the withdrawal force. Gage pin diameters are specified in Table 2.2.2. Table 2.2.2 - Gage pin diameters Sleeve Type Minimum Diameter mm Maximum Diameter mm Split, Re
43、silient 2.4985 2.4995 Solid 2.5000 2.5005 The maximum inside diameter of the sleeve is in effect limited by the common level of performance that the adapter is to achieve. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=
44、Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-604-16-B 5 2.2.3 Adapter mounting options The adapter mounting options are defined in table 2.2.3: Table 2.2.3 Adapter options Adapter Mounting Option Type of mounting Simpl
45、ex Duplex m=0 m=0 Unspecified Mounting m=1 m=4 Panel mounting with either retention clips or fasteners m=2 m=5 Panel mounting with fasteners only m=3 m=6 Panel mounting with retention clips only Adapters whose mounting features are not defined are identified with the option m=0. The dimensions of th
46、e surfaces of the adapter that interface with the mounting panel are limited by the holes and cutouts in the panel on which the adapter is mounted. FOCIS 16B adapters shall be capable of being mounted on panels with the dimensions in figure 2.2.3. 2.2.4 Adapter keying options Keying refers to differ
47、ences in the interface between FOCIS 16 plugs and adapters that affect the ability of plugs and adapters to be connected or that alter the performance of the resulting connector assembly. Eight key options have been defined, k=0 for use with 0 contact plugs k=8 for use with angular contact plugs k=1
48、 to k =6 has to be defined between user and manufacturer The dimensional requirements for these options are defined in figure 2.2.1a. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:13:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-604-16-B 6 3 PLUG STANDARD 3.1 Plug designation The complete designation for a FOCIS 16 connector plug is: FOCIS