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YD/T 2554.1-2013 English PDF (YDT2554.1-2013)

YD/T 2554.1-2013 English PDF (YDT2554.1-2013)

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YD/T 2554.1-2013: Plastic optical fiber connector - Part 1: Type LC

This Part specifies the terms and definitions, technical requirements, measurement and test methods, quality assessment procedure, inspection rules and marking, packaging, transport and storage for the Type LC family of plastic optical fiber connectors.
YD/T 2554.1-2013
YD
COMMUNICATION INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 30.180.20
M 33
Plastic Optical Fiber Connector
Part 1. Type LC
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ISSUED ON. APRIL 25, 2013
IMPLEMENTED ON. JUNE 1, 2013
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Technical Requirements ... 5
4.1 Classification??...??5
4.2 Interface diagrams and mating dimension??...??6
4.3 Materials??...??16
4.4 Standard Connector??...??16
4.5 Optical Performance of Type-LC Connector??...??16
4.6 Working Temperature of Type-LC Connector??...??17
4.7 Environmental Protection Conformance??...??17
5 Measurement and Testing ... 17
5.1 Appearance Inspection??...??17
5.2 Appearance Dimensions??...??17
5.3 Measurement and Testing Conditions??...??17
5.4 Measurement of Insertion Loss??...??18
5.5 Testing??...??19
6 Procedure of Quality Assessment ... 21
6.1 General??...??21
6.2 Qualification Approval Procedure??...??21
6.3 Quality Conformity Inspection??...??23
7 Inspection ... 26
7.1 Classification of Inspection??...??26
7.2 Exit-factory Inspection??...??26
7.3 Type Inspection??...??26
8 Marking, Packaging, Transport and Storage ... 27
8.1 Marking??...??27
8.2 Packaging??...??27
8.3 Transport??...??27
8.4 Storage??...??27
Foreword
?€?Plastic Optical Fiber Connector?€? is currently divided into the following parts. - Part 1. Type LC;
- Part 2. Type SC;
- Part 3. Type FC.
This Part is Part 1 of ?€?Plastic Optical Fiber Connector?€?.
This Part was drafted according to the rules given in GB/T 1.1-2009.
This Part was prepared by reference to IEC 61754-20-2012 ?€?Fibre Optic Connector Interfaces ?€? Part 20. Type LC Connector Family?€?.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not undertake the responsibility for identifying any or all od these patents.
This Part was proposed by and shall be under the jurisdiction of China
Communications Standards Association.
Drafting organizations of this Part. Dongguan IPT Industrial Co., Ltd., Wuhan Research Institute of Posts & Telecommunications, Zhongxing Telecommunication Equipment Corporation, Inner Mongolia Golden Triangle Optical Fiber Technology Co., Ltd., Hebei Sifang Communication Equipment Co., Ltd.
Chief drafters of this Part. Cao Zhiwen, Liang Chenhuan, Wang Zihe, Hao Yanhui, Zheng Yansheng, Ge Chao, Huang Xinge, Fang Sheng.
Plastic Optical Fiber Connector
Part 1. Type LC
1 Scope
This Part specifies the terms and definitions, technical requirements, measurement and test methods, quality assessment procedure, inspection rules and marking, packaging, transport and storage for the Type LC family of plastic optical fiber connectors.
This Part is applicable to the Type LC plastic optical fiber connectors (hereinafter referred to as "Type-LC connector").
2 Normative References
The following documents are indispensable for the application of this document. For the dated references, only the edition cited applies. For the undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes - Part 1. Sampling Schemes Indexed by Acceptance Quality Limit
(AQL) for Lot-by-lot Inspection
YD/T 1272.1-2003 Optical Fiber Connector - Part 1. Type LC
YD/T 1272.3-2005 Optical Fiber Connector - Part 3. Type SC
YD/T 1447-20xx Plastic Optical Fiber for Communication
SJ/T 11363-2006 Requirements for Concentration Limits for Certain Hazardous Substances in Electronic Information Products
SJ/T 11364-2006 Marking for Control of Pollution Caused by Electronic
Information Products
SJ/T 11365-2006 Testing Methods for Hazardous Substances in Electronic
Information Products
3 Terms and Definitions
For the purposes of this document, the terms and definitions defined in YD/T 1272.1-2003 AND the following one apply.
3.1
Type LC plastic optical fiber connector
Type LC connector that is made from plastic optical fiber for communication. 4 Technical Requirements
4.1 Classification
4.1.1 Plug interface
It may be divided into four types of interfaces according to the optical fiber cores and plug-pin outer diameter.
a) ??1.250 plug-pin single-core plastic optical fiber plug interface;
b) ??1.250 plug-pin dual-core plastic optical fiber plug interface;
c) ??1.950 plug-pin single-core plastic optical fiber plug interface;
d) ??1.950 plug-pin dual-core plastic optical fiber plug interface.
4.1.2 Adaptor interface
It may be divided into 8 types of interfaces according to the optical fiber cores and application.
a) ??1.250 sheath single-core plastic optical fiber connector adapter;
b) ??1.250 sheath single-core plastic optical fiber connector active-device receptacle interface;
c) ??1.250 sheath dual-core plastic optical fiber connector adapter;
d) ??1.250 sheath dual-core plastic optical fiber connector active-device receptacle interface;
e) ??1.950 sheath single-core plastic optical fiber connector adapter;
f) ??1.950 sheath single-core plastic optical fiber connector active-device receptacle interface;
g) ??1.950 sheath dual-core plastic optical fiber connector adapter;
h) ??1.950 sheath dual-core plastic optical fiber connector active-device receptacle interface.
Table 4 Mating dimensions of Single-core and Dual-core Active-device Receptacle Interfaces Mark Unit Minimum Maximum Notes
Aa,b mm - - Inner diameter of alignment-device, see Table 5
B mm 9.9 10.0
C mm 4.5 -
D mm 3.4 3.5
E mm 2.6 2.7
F mm 0.2 0.3 Radius of curvature
G mm 4.0 4.1
H1c mm 4.60 4.75
H2c mm 4.60 4.75
I mm 2.87 2.97 Diameter
J mm 2.29 Basic dimension
Kd mm 6.25 Basic dimension
Lc ?? - 0.2
M mm 1.0 1.1
N mm 0.5 0.6
O mm - 1.3
P ?? 15 Typical value
AO mm 11.0 12.8
AP mm 14.5 14.7
AQ mm 2.2 2.4 Diameter
AR mm 1.1 1.2
AS mm 6.6 6.8
AT mm 0.6 0.7
AV mm 1.0 1.1
AW mm 0.5 0.6 Grade, see Table 5
AX mm 1.9 -
a The connector alignment-device is a rigid bore sheath or resilient alignment sheath. Dimension A defines the inner diameter of the alignment-device.
b The sheath may be fixed or floating. For a fixed sheath, the positional tolerance applies. For a floating sheath, a pin-gauge inserted in the sheath must be capable of moving freely into a position such that it is coincident with datum B.
c Taper (oblique), dimension L, is applied to the surfaces associated with dimensions/features H1 and H2. d Each of the units in the dual-core active-device receptacle shall comply with all dimensions of Figure 6, except the added dimension K, distance between dual-core active-device receptacles. 4.2.6 Alignment sheath grade of adapter and active-device receptacle
See Table 5 for the classification of adapter and active-device receptacle interfaces (i.e. alignment sheath grade).
4.3 Materials
Plastic optical fibers, as specified in Y...

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