1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationFibre optic active components and devices Package and interface standardsPart 3: SFF 20-pin transceiversBS EN 62148-3:2011National forewordThis British Standard is the UK impleme
2、ntation of EN 62148-3:2011. It isidentical to IEC 62148-3:2010. It supersedes BS EN 62148-10:2003, BS EN62148-3:2003, and BS EN 62148-8:2003, which are withdrawn.The UK participation in its preparation was entrusted by Technical CommitteeGEL/86, Fibre optics, to Subcommittee GEL/86/3, Fibre optic sy
3、stems andactive devices.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2011 ISBN 978 0 580 69270 3 ICS 33.1
4、80.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62148-3
5、:2011EUROPEAN STANDARD EN 62148-3 NORME EUROPENNE EUROPISCHE NORM January 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011
6、CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62148-3:2011 E ICS 33.180.20 Supersedes EN 62148-3:2003, EN 62148-8:2003, EN 62148-10:2003English version Fibre optic active components and devices - Package and interface standards
7、- Part 3: SFF 20-pin transceivers (IEC 62148-3:2010) Composants et dispositifs actifs en fibres optiques - Normes de botier et dinterface - Partie 3: Emetteurs-rcepteurs SFF 20 broches (CEI 62148-3:2010) Aktive Lichtwellenleiterbauelemente und -gerte - Gehuse- und Schnittstellennormen - Teil 3: SFF-
8、Sende- und Empfangsmodule mit 20 Anschlssen (IEC 62148-3:2010) This European Standard was approved by CENELEC on 2011-01-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standar
9、d without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other
10、language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech
11、 Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 62148-3:2011EN 62148-3:2011 Foreword
12、 The text of document 86C/970/FDIS, future edition 2 of IEC 62148-3, prepared by SC 86C, Fibre optic systems and active devices, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62148-3 on 2011-01-01. This European Standard supersedes EN 62
13、148-3:2003, EN 62148-8:2003 and EN 62148-10:2003. The significant technical change with respect to EN 62148-3:2003 is that this edition includes 20-pin SFF MT-RJ/LC/MU devices. This standard is to be read in conjunction with EN 62148-1. Attention is drawn to the possibility that some of the elements
14、 of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or
15、by endorsement (dop) 2011-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62148-3:2010 was approved by CENELEC as a European Standard wi
16、thout any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60603-7 NOTE Harmonized as EN 60603-7. _ BS EN 62148-3:2011EN 62148-3:2011 Annex ZA (normative) Normative references to international publications with their correspo
17、nding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an internat
18、ional publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61754-6 - Fibre optic connector interfaces - Part 6: Type MU connector family EN 61754-6 - IEC 61754-18 - Fibre optic connector interfaces - Part 18: Typ
19、e MT-RJ connector family EN 61754-18 - IEC 61754-20 - Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 20: Type LC connector family EN 61754-20 - IEC 62148-1 - Fibre optic active components and devices - Package and interface standards - Part 1: Ge
20、neral and guidance EN 62148-1 - BS EN 62148-3:201162148-3 g148 IEC:2010 CONTENTS INTRODUCTION 5 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviations. 6 3.1 Terms and definitions . 6 3.2 Abbreviations. 6 4 Classification . 6 5 Specification of the optical connector interface 7 6
21、Electrical interface 7 6.1 General . 7 6.2 Numbering of electrical terminals . 7 6.3 Electrical terminal assignment . 7 7 Outline and footprint . 8 7.1 Drawings of case outline . 8 7.2 Optical receptacle 14 7.3 Drawings of case footprint . 15 Bibliography . 17 Figure 1 Electrical terminal numbering
22、assignments (viewed from above with pins underneath) . 7 Figure 2 Case outline of the SFF MT-RJ 20-pin transceiver 10 Figure 3 Case outline of the SFF LC 20-pin transceiver . 12 Figure 4 Case outline of the SFF MU duplex 20-pin transceiver 14 Figure 5 Case footprint . 16 Table 1 Transceiver receiver
23、 pin-function definitions . 7 Table 2 Transceiver transmitter pin-function definitions . 8 BS EN 62148-3:201162148-3 g148 IEC:2010 5 INTRODUCTION Fibre optic transceivers are used to convert electrical signals into optical signals and vice versa. This standard covers the physical interface for a 20-
24、pin small form factor (SFF) transceiver. This transceiver is designed for use with the SFF MT-RJ/LC/MU duplex optical connectors and with through-hole printed circuit-board applications. BS EN 62148-3:2011 6 62148-3 g148 IEC:2010 FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES PACKAGE AND INTERFACE STANDA
25、RDS Part 3: SFF 20-pin transceivers 1 Scope This part of IEC 62148 covers the physical interface specifications for the SFF MT-RJ/LC/MU duplex 20-pin fibre optic transceiver module family. The intent of this standard is to adequately specify the physical requirements of an optical transceiver that w
26、ill enable mechanical interchangeability of transceivers complying with this standard both at the printed circuit wiring board and for any panel-mounting requirement. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated reference
27、s, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61754-6, Fibre optic connector interfaces Part 6: Type MU connector family IEC 61754-18, Fibre optic connector interfaces Part 18: Type MT-RJ connector fam
28、ily IEC 61754-20, Fibre optic connector interfaces Part 20:Type LC connector family IEC 62148-1, Fibre optic active components and devices Package and interface standards Part 1: General and guidance 3 Terms, definitions and abbreviations For the purposes of this document, the following terms, defin
29、itions and abbreviations apply. 3.1 Terms and definitions 3.1.1 small form factor optical transceiver compact optical digital signal transceiver whose package has the same cross sectional outline as the receptacle of an electrical connector compliant with the IEC 60603-7 series 3.2 Abbreviations SFF
30、 small form factor 4 Classification The transceiver described in this standard is classified as type 1 according to IEC 62148-1. BS EN 62148-3:201162148-3 g148 IEC:2010 7 5 Specification of the optical connector interface This standard applies to the MT-RJ/LC/MU duplex optical connector interface. D
31、etailed dimensions of the optical receptacle are provided in Clause 7. Assignment of the optical transmit and receive ports is aligned to the electrical pins. One-half of the module is the transmit side and the other is the receive side. Assignments are shown in Figure 1. 6 Electrical interface 6.1
32、General The electrical interface in this standard defines only the basic functionality of each pin. 6.2 Numbering of electrical terminals Pin numbering assignments are shown in Figure 1 (viewed from the top of the module with pins underneath). HLHLHLHLFigure 1 Electrical terminal numbering assignmen
33、ts (viewed from above with pins underneath) 6.3 Electrical terminal assignment See Tables 1 and 2. Table 1 Transceiver receiver pin-function definitions 20-pin part Symbol Functional description MSaMS Mounting studs The mounting studs are provided for transceiver mechanical attachment to the circuit
34、 board. They may also provide an optional connection of the transceiver to the equipment chassis ground HL HL Housing leads The optional transceiver housing leads may be provided for additional signal grounding. These additional grounds may improve signal integrity, EMC or EMI performance 1 Photo-de
35、tector bias Photodetector bias: optional feature This lead supplies bias for the PIN photodetector diode when provided as a feature of a transceiver 2 VeerReceiver signal ground 3 VeerReceiver signal ground 4bClk Received recovered clock-out bar: optional feature IEC 2530/10 BS EN 62148-3:2011 8 621
36、48-3 g148 IEC:2010 20-pin part Symbol Functional description 5bClk+ Received recovered clock-out: optional feature 6 VeerReceiver signal ground 7 VccrReceiver power supply 8 SD Signal detect 9 RD Received data-out bar 10 RD+ Received data out a The holes in the circuit board must be tied to the chas
37、sis ground. b If the feature is not used, do not connect. Table 2 Transceiver transmitter pin-function definitions 20-pin part Symbol Functional description MSaMS Mounting studs The mounting studs are provided for transceiver mechanical attachment to the circuit board. They may also provide an optio
38、nal connection of the transceiver to the equipment chassis ground HL HL Housing leads The optional transceiver housing leads may be provided for additional signal grounding. These additional grounds may improve signal integrity, EMC or EMI performance 11 VcctTransmitter power supply 12 VeetTransmitt
39、er signal ground 13bTDis Transmitter disable: optional feature 14 TD+ Transmitter data in 15 TD Transmitter data in bar 16 VeetTransmitter signal ground 17cBmon() Laser diode bias current monitor Negative end: optional feature 18cBmon(+) Laser diode bias current monitor Positive end: optional featur
40、e 19cPmon() Laser diode optical power monitor Negative end: optional feature 20cPmon(+) Laser diode optical power monitor Positive end: optional feature a The holes in the circuit board shall be tied to the chassis ground. b Option use for laser-based products only. c If the feature is not used, do
41、not connect. 7 Outline and footprint 7.1 Drawings of case outline Drawings of the case outline as well as the dimensions are given in Figures 2, 3 and 4. BS EN 62148-3:201162148-3 g148 IEC:2010 9 EETYXACDEHFGJKFFRSZ0.36 Z Xg154580.1 M Z20g15117g15458J6g15117g15458K0.36 Z X g154580.2 M ZNote 5MNote 5
42、NPHHVNote 6UUUNote 1WB9 x B6 g117 g135K 0,36 Z X Z g1350,2 M 20 g117 g135J 0,36 Z X Z g1350,1 M 9 g117 B IEC 2531/10 BS EN 62148-3:2011 10 62148-3 g148 IEC:2010 Reference Dimensions mm Remarks Minimum Maximum A 10,16 Basic dimension B 1,78 Basic dimension C 7,59 Basic dimension D 8,89 Basic dimensio
43、n E 13,59 F 9,80 G 49,56 Reference dimension H 1,90 See Note 7 J 0,41 0,61 Diameter in case of rod pins (See Note 3) K 0,97 1,07 Diameter in case of rod pins (See Note 4) M 3,56 Basic dimension N 13,34 Basic dimension P 7,11 Basic dimension R 2,92 S 37,56 T 12,00 U 0,30 See Note 8 V 4,57 Basic dimen
44、sion W 1,70 2,30 EE 9,60 FF 9,30 HH 1,90 See Note 7 UU 0,30 See Note 8 NOTE 1 Defines the space available for the MT-RJ optical receptacle. NOTE 2 All 26 pins and posts are to be treated as a single pattern. NOTE 3 Quadratic prism whose cross section is less than the quadrangle inscribed in the circ
45、le which diameter is “J”. NOTE 4 Quadratic prism whose cross section is less than the quadrangle inscribed in the circle which diameter is “K”. NOTE 5 Four housing leads are additional signal grounds to enhance the tolerance of Electromagnetic immunity and Electromagnetic compatibility. NOTE 6 Two m
46、ounting studs are recommended to be tied to the chassis ground. NOTE 7 H+HH is less than 3,63. NOTE 8 U+UU is less than 0,45. Figure 2 Case outline of the SFF MT-RJ 20-pin transceiver BS EN 62148-3:201162148-3 g148 IEC:2010 11 TYXACDEHFGJKRSZ0.36 Z Xg154580.1 M Z20g15117g15458J6g15117g15458K0.36 Z X
47、 g154580.2 M ZNote 5MNote 5NPHHVNote 6UUUNote 1B9 x B6 g117 g135K 0,36 Z X Z g1350,2 M 20 g117 g135J 0,36 Z X Z g1350,1 M 9 g117 B IEC 2532/10 BS EN 62148-3:2011 12 62148-3 g148 IEC:2010 Reference Dimensions mm Remarks Minimum Maximum A 10,16 Basic dimension B 1,78 Basic dimension C 7,59 Basic dimen
48、sion D 8,89 Basic dimension E 13,59 F 9,80 G 49,56 Reference dimension H 1,90 See Note 7 J 0,41 0,61 Diameter in case of rod pins (See Note 3) K 0,97 1,07 Diameter in case of rod pins (See Note 4) M 3,56 Basic dimension N 13,34 Basic dimension P 7,11 Basic dimension R 2,92 S 37,56 T 12,00 U 0,30 See
49、 Note 8 V 4,57 Basic dimension HH 1,90 See Note 7 UU 0,30 See Note 8 NOTE 1 Defines the space available for the LC optical receptacle. NOTE 2 All 26 pins and posts are to be treated as a single pattern. NOTE 3 Quadratic prism whose cross section is less than the quadrangle inscribed in the circle which diameter is “J”. NOTE 4 Quadratic prism whose cross section is less than the quadrangle inscribed in the circle which diameter is “K”. NOTE 5 Four ho
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