TIA-568-C.3-1

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ANSI/TIA-568-C.3-1-2011 APPROVED: OCTOBER 13, 2011

Optical Fiber Cabling Components Standard – Addendum 1, Addition of OM4 Cabled Optical Fiber and Array Connectivity

TIA-568-C.3-1

December 2011

NOTICE TIA Engineering Standards 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 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 their voluntary use by Non-TIA members, either domestically or internationally. Standards and Publications are adopted by TIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assume 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 practices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. ANSI/TIA-PN-568-C.3-1, formulated under the cognizance of the TIA TR-42 Telecommunications Cabling Systems, TR-42.11 Subcommittee on Optical Systems).

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ANSI/TIA-568-C.3-1

Optical Fiber Cabling Components Standard – Addendum 1, Addition of OM4 Cabled Optical Fiber and Array Connectivity Table of Contents FOREWORD .................................................................................................................................................. i  1 

SCOPE .................................................................................................................................................. 1 



Normative references ............................................................................................................................ 1 

Table 1 

Cable transmission performance ................................................................................................ 1 

6.4.3 

Array ............................................................................................................................................ 2 

FOREWORD (This foreword is not considered part of this Standard.) TIA standards documents are developed within the Technical Committees of the TIA and the standards coordinating committees of the TIA standards board. Members of the committees serve voluntarily and without commission. The companies that they represent are not necessarily members of the TIA. The standards developed within the TIA represent a consensus of the broad expertise on the subject. This expertise comes from within the TIA as well as those outside of the TIA that have an expressed interest. The viewpoint expressed at the time that this standard was approved was from the contributors’ experience and the state of the art at that time. Users are encouraged to verify that they have the latest revision of the standard. This addendum has been prepared by the TR-42.11 Subcommittee and approved by the TR-42 Engineering Committee. There are no annexes in this addendum.

Introduction Deleted text is shown as strikethrough. New text is shown as underlined. Clause, figure and table numbering will require updating after subclause 6.4.3.2.6.

i

ANSI/TIA-568-C.3-1

1

SCOPE

This addendum updates ANSI/TIA-568-C.3 with the addition of 50/125 µm laser-optimized OM4 cabled optical fiber and components for array connectivity. 2

NORMATIVE REFERENCES

The following reference shall be added to clause 2, “Normative references” within the cable standards section. •

TIA-492AAAD-2009, Detail Specification for 850-nm Laser-Optimized, 50 µm Core Diameter/125 µm Cladding Diameter Class 1a Graded-Index Multimode Optical Fibers Suitable for Manufacturing OM4 Cabled Optical Fiber

The following references shall be shall be modified to clause 2, “Normative references” within the cable standards section. • • •

TIA-492AAAA-AB-20022009, Detail Specification for 62.5 μm Core Diameter/125 μm Cladding Diameter Class Ia Graded-Index Multimode Optical Fibers TIA-492AAAB-A-20022009, Detail Specification for 50 μm Core Diameter/125 μm Cladding Diameter Class Ia Multimode, Graded-Index Optical Waveguide Fibers TIA-492AAAC-AB-20032009, Detail Specification for 850-nm Laser-Optimized, 50-μm Core Diameter/125-μm Cladding Diameter Class 1a Graded-Index Multimode Optical Fibers

TABLE 1

CABLE TRANSMISSION PERFORMANCE

Modify the title of table 1 as follows, “Optical fiber cable1 transmission performance parameters”. The first row of table 1 shall be modified as follows:

Optical fiber and cable type 2

Wavelength (nm)

Maximum attenuation (dB/km)

Minimum overfilled modal bandwidth-length product (MHz⋅km) 12

Minimum effective modal bandwidth-length product (MHz⋅km) 12

The following row shall be added to table 1 after the row specifying OM3. 850 nm Laser-Optimized 50/125 µm Multimode TIA 492AAAD (OM4)

850 1300

3.5 1.5

3500 500

4700 Not Required

The second note of the “NOTES” of table 1, shall be changed to Note 1 and modified as follows: 2 1 - The fiber designations (OM1, OM2, OM3, OM4, OS1 and OS2) corresponds to the designations of used within ISO/IEC 11801 or ISO/IEC 24702.

Existing Note 1 of table 1 becomes Note 2.

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ANSI/TIA-568-C.3-1

6.4.3 Array Subclause 6.4.3, “Array” shall be modified as follows: 6.4.3

Array

6.4.3.1 General Array system connectivity methods require a specific combination of components (array patch cord, optical fiber transitions, duplex patch cord) to maintain polarity. Some of the components are common to other connectivity methods such as duplex systems. NOTES 1 - The array patch cords and array cables of shown in figures 7, 8 and 9through figure 12 are shown unpinned on both ends for simplicity. In some instances, such as when supporting parallel signals, it may be necessary to use a combination of unpinned and pinned connectors on array cables and array patch cords. At any connection using MPO connectors, it is necessary for one plug to be pinned and the other to be unpinned. 2 - See ANSI/TIA 568 C.0 for guidance on usage of polarity methods. 6.4.3.2 Array patch cords and array cables The Array patch cords and array cables should be clearly identified. 6.4.3.2.1

Type-A:1-1 array patch cord and array cable

Type-A:1-1 array patch cords and array cables are used to provide connectivity between array interfaces in which the fibers are arranged in a single row. As shown in figure 7, a Type-A:1-1 array patch cord or array cable has a sequential number assigned to each fiber as follows: a) On one end of the array patch cord or array cable, the fibers are fixed within the array connector in consecutive number (1,2,3,4…12) from left to right as viewed looking at the endface of the array connector with the connector key up (see table 2). b) On the other end of the array patch cord or array cable, the fibers are fixed within the array connector also in consecutive number (1,2,3,4…12) from left to right as viewed looking at the end-face of the array connector with the connector key up (see table 2). Table 2 - Type-A:1-1 array patch cord and array cable fiber sequence Near / Far End

Fiber Sequence sequence (viewing the array connector plug end-face of the connector with key up)

Near

1

2

3

4

5

6

7

8

9

10

11

12

Far

1

2

3

4

5

6

7

8

9

10

11

12

2

ANSI/TIA-568-C.3-1

Figure 7 - Type-A:1-1 array patch cord and array cable (key-up to key-down) 6.4.3.2.2

Type-A:2-1 array patch cord

Type-A:2-1 array patch cords are used to provide connectivity between an array interface in which the fibers are arranged in two rows within one array connector plug and two array interfaces in which the fibers are arranged in one row in each of two array connector plugs. As shown in figure 8, a Type-A:2-1 array patch cord has a sequential number assigned to each fiber as follows: a) On one end of the array patch cord, the fibers are fixed within in each of two rows of the array connector plug in consecutive number (1,2,3,4…12) from left to right as viewed looking at the end-face of the array connector plug with the key up (see table 3). b) On the other ends of the array patch cord, the fibers are fixed within each array connector plug also in consecutive number (1,2,3,4…12) from left to right as viewed looking at the endface of the array connector plug with the key up (see table 3). Table 3 - Type-A:2-1 array patch cord fiber sequence End

Fiber sequence (viewing the array connector plug end-face with key up)

2-row plug, top row

1

2

3

4

5

6

7

8

9

10

11

12

2-row plug, bottom row

1

2

3

4

5

6

7

8

9

10

11

12

1-row plugs

1

2

3

4

5

6

7

8

9

10

11

12

3

ANSI/TIA-568-C.3-1

Fibers, Bottom Row 1 2 3 4 5 6 7 8 9 10 11 12

Fibers, Top Row 1 2 Top Row: Position 1 3 Bottom Row: Position 13 4 5 Key up 6 7 8 Top Row: Position 12 9 Bottom Row: Position 24 10 11 12

Position 1

Position 12 Position 1

Position 12

Fibers, Both Plugs 1 2 3 4 5 Key down 6 7 8 9 10 11 12

Figure 8 - Type-A:2-1 array patch cord (key-up to key-down) 6.4.3.2.3

Type-B:1-1 array patch cord and array cable

Type–B:1-1 array patch cords and array cables are used to provide connectivity between array interfaces in which the fibers are arranged in a single row. As shown in figure 89, a Type-B:1-1 array patch cord or array cable has a sequential number assigned to each fiber as follows: a) On one end of the array patch cord or array cable, the fibers are fixed within the array connector plug in consecutive number (1,2,3,4…12) from left to right as viewed looking at the end-face of the array connector with the connector key up (see table 34). b) On the other end of the array patch cord or array cable, the fibers are fixed within the array connector plug in reverse consecutive number (12,11,10,9…1) from left to right as viewed looking at the end-face of the array connector with the connector key up (see table 34). Table 3 4 - Type-B:1-1 array patch cord and array cable fiber sequence Near / Far End

Fiber Sequence sequence (viewing the array connector plug end-face of the connector with key up)

Near

1

2

3

4

5

6

7

8

9

10

11

12

Far

12

11

10

9

8

7

6

5

4

3

2

1

Figure 8 9 - Type-B:1-1 array patch cord and array cable (key-up to key-up)

4

ANSI/TIA-568-C.3-1

6.4.3.2.4

Type-B:2-1 array patch cord

Type-B:2-1 array patch cords are used to provide connectivity between an array interface in which the fibers are arranged in two rows within one array connector plug and two array interfaces in which the fibers are arranged in one row in each of two array connector plugs. As shown in figure 10, a TypeB:2-1 array patch cord has a sequential number assigned to each fiber as follows: a) On one end of the array patch cord, the fibers are fixed within in each of two rows of the array connector plug in consecutive number (1,2,3,4…12) from left to right as viewed looking at the end-face of the array connector plug with the key up (see table 5). b) On the other ends of the array patch cord, the fibers are fixed within each array connector plug in reverse consecutive number (12,11,10,9…1) from left to right as viewed looking at the end-face of the array connector plug with the key up (see table 5). Table 5 - Type-B:2-1 array patch cord fiber sequence End

Fiber sequence (viewing the array connector plug end-face with key up) 4

5

6

7

8

9

10

11

12

2-row plug, bottom row

1

2

3

4

5

6

7

8

9

10

11

12

1-row plugs

12

11

10

9

8

7

6

5

4

3

2

1

PUSH

PULL

PULL

3

PULL

2

PUSH

1

PUSH

2-row plug, top row

Figure 10 - Type-B:2-1 array patch cord (key-up to key-up) 6.4.3.2.36.4.3.2.5

Type-C:1-1 array patch cord and array cable

Type-C:1-1 array patch cords and array cables are used to provide connectivity between array interfaces in which the fiber are arranged in a single row. As shown in figure 911, Type-C:1-1 array patch cord or array cable has a sequential number assigned to each fiber as follows: a) On one end of the array patch cord or array cable, the fibers are fixed within the array connector in consecutive number (1,2,3,4…12) from left to right as viewed looking at the endface of the array connector with the connector key up (see table 46).

5

ANSI/TIA-568-C.3-1

b) On the other end of the array patch cord or array cable, the fibers are pair-wise flipped within the array connector (2,1; 4,3; 6,5…12,11) from left to right as viewed looking at the end-face of the array connector with the connector key up (see table 46). Table 4 6 - Type-C:1-1 array patch cord and array cable fiber sequence Near / Far End

Fiber Sequence sequence (viewing the array connector plug end-face of the connector with key up)

Near

1

2

3

4

5

6

7

8

9

10

11

12

Far

2

1

4

3

6

5

8

7

10

9

12

11

Figure 9 11 - Type-C:1-1 array patch cord and array cable (pair-wise flipped, key-up to keydown) 6.4.3.2.6

Type-C:2-1 array patch cord

Type-C:2-1 array patch cords are used to provide connectivity between an array interface in which the fibers are arranged in two rows within one array connector plug and two array interfaces in which the fibers are arranged in one row in each of two array connector plugs. As shown in figure 12, a Type-C:2-1 array patch cord has a sequential number assigned to each fiber as follows: a) On one end of the array patch cord, the fibers are fixed within in each of two rows of the array connector plug in consecutive number (1,2,3,4…12) from left to right as viewed looking at the end-face of the array connector plug with the key up (see table 7). b) On the other ends of the array patch cord, the fibers are fixed within each array connector plug in pair-wise flipped (2,1; 4,3; 6,5…12,11) from left to right as viewed looking at the endface of the connector plug with the key up (see table 7). Table 7 - Type-C:2-1 array patch cord fiber sequence End

Fiber sequence (viewing the array connector plug end-face with key up)

2-row plug, top row

1

2

3

4

5

6

7

8

9

10

11

12

2-row plug, bottom row

1

2

3

4

5

6

7

8

9

10

11

12

1-row plugs

2

1

4

3

6

5

8

7

10

9

12

11

6

PUSH PUSH

PULL PULL

PUSH

PULL

PUSH

ANSI/TIA-568-C.3-1

Figure 12 - Type-C:2-1 array patch cord (pair-wise flipped, key-up to key-down)

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