3M™ Copper and Fibre Cabling SystemInstallation Guide

March 201780-6116-2067-7

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WarningsProtective Eyewear

CAUTIONSafety glasses should be worn when handling chemicals and checking the optical fibre.

Chemical Precautions

WARNINGStorage, use and disposal of isopropyl alcohol should be per your company’s health, safety, and environmental instructions. Refer to the Safety Data Sheet for health hazards, safe handling, and proper use and control measures.

Bare Fibre Handling

CAUTIONCleaved glass fibers are sharp and can pierce the skin. Use tweezers when handling shards and dispose of them properly per your company’s health and safety instructions.

Fibre/Cable Handling

CAUTION

Optical fibre can be damaged by excessive tensile, compressive and bending forces. Consult the manufactures’ specifications for proper handling instructions.

Laser Safety

CAUTION

Take the proper precautions when working with optical fiber because invisible laser light may be present. The principal laser hazard when working with fiber optics is injury to the eye. Never look directly into the fiber or connector using the naked eye, eye loupe or manual view scope.

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ForewardThis manual provides a comprehensive guide to the installation of the 3M™ Copper and Fibre Cabling System. It is intended to be used as a general reference document to supplement the training supplied through one of the 3M approved cabling training courses.

The manual is divided into different parts as described below:

Part I Overview of Generic Structured Cabling Systems

Section 1: General IntroductionGeneral introduction of the structured cabling systems and the IEC/ISO, EN and ANSI/TIA structured cabling standards.

Section 2: Standards, Codes and RegulationsStandards compliant table with references on the IEEE applications.

Part II 3M Copper and Fibre Products Installation

Information on installing a 3M cabling system is provided. Although some guidelines on safety are included, no attempt has been made to cover all the regulatory and safety issues associated with the system installation. It is the responsibility of the user of this manual to establish the appropriate health and safety practices and to ensure that all local relevant regulatory requirements are met.

Section 1: Copper Cabling InstallationInformation on how to install all of the 3M copper cabling products, such as 3M Copper Cables, 3M RJ45 Jacks, 3M Copper Patch Panels & Management Panels and consolidation point (CPs).

Section 2: Fibre Cabling Installation Describes the installation of 3M fibre cabling products such as 3M™ Fibre Cable, 3M™ Field –Installable Connectors, 3M™ Fibre Outlets, 3M Fibre Patch Panels and Management Panels and 3M™ Cabling System with MTP Connectors.

Part III Testing and Systems Warranty Process

Outlines the requirements for system testing and describes how to apply for the 25-year system performance warranty.

Part IV Annex – Glossary and Terminologies

Includes a brief description of all the system components and specifications. The glossary gives definitions of commonly used terms and abbreviations.

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Part I: Overview of Generic Structured Cabling Systems

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1.0 General IntroductionAs the need to link IP network components - such as computers, switches and servers - together has evolved, so has the physical infrastructure of the cabling. Originally cables were provided as required and networks developed in a random ways. Today cables are installed in an organized fashion such that the building or floor is fully equipped with cables and outlets. The result of this is that wherever the user may need to install a computer or associated peripheral equipment; there will be a connection point close by. Several standards have emerged for these systems. The three standards on structured cabling most frequently referred to are:

• ISO/IEC 11801 Information technology - Cabling for customer premises

• EN 50173 Information technology - Generic cabling

• ANSI/TIA-568 - Commercial Building Telecommunications Cabling Standard

The 3M products will meet the requirements of the standards that are applicable to that 3M product. The following paragraphs give an overview of the different types and structures of cabling systems.

1.1 OverviewAs defined in ISO/IEC 11801 and ANSI/TIA 568, generic cabling comprises three cabling subsystems: campus backbone, building backbone and horizontal cabling. The 3M Premises Cabling System covers all three subsystems. The figure below shows the structure of generic cabling, whilst Table 1.1 indicates the terminology differences between ANS/TIA/-568 and ISO/IEC 11801.

TOterminal

equipment

work areacablinghorizontal cabling

Generic cabling system

buildingbackbone

campusbackbone

CP(optional)

CD BD FD

Where: CD Campus Distributor BD Building Distributor FD Floor Distributor CP Consolidation Point (optional) TO Telecommunications Outlet

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Terminology differences

ISO/IEC 11801 ANS/TIA-568

Campus Distributor (CD) Main Cross Connect (MC)

Building Distributor (BD) Intermediate Cross Connect (IC)

Floor Distributor (FD) Horizontal Cross Connect

Consolidation Point (CP) Consolidation Point or Transition Point (CP / TP)

Telecommunications Outlet (TO) Telecommunications Outlet (TO)

Table 1.1 Terminology differences

1.2 Structure of Generic CablingThe generic form of structured cabling takes the form of a hierarchical star, an example of which is shown below:

TO TO TO

TO TO TO

CD

BDBD BD

FD

FD

FDFD FDFD

TP

Campus backbone

Building backbone

Horizontal

optional cables

optional transition point or Consolidation Point

Collapsed backbone(Centralized cabling)

TO TO TO

TP

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2.0 Standards, Codes and Regulations Standards are the minimum level of quality that all cabling systems must meet. Codes are legal and cover the things that would affect safety such as fire, electrical and OH&S (Occupational Health & Safety). Regulation is normally issued by a government and is mandatory to follow and comply.

The following standards are frequently used in cabling standards, and 3M products will meet the requirements of the applicable standards for the referenced 3M product.

ISO/IEC 11801 Information technology – Generic cabling for customer premises

ISO/IEC/TR3 8802-1 Information technology – Telecommunications and information exchange between systems – local and metropolitan area networks – Specific requirements – Part 1 Overview of Local Area Network Standards

ISO/IEC/8802-3 Information technology – Telecommunications and information exchange between systems – local and metropolitan area networks – Specific requirements – Part 3 Carrier sense multiple access with collision detection access method and physical layer specifications

ISO/IEC 61935-1 Generic specification for the testing of generic cabling in accordance with ISO/IEC 11801 – Part 1: Installed cabling

IEC 60364-1 Electrical installation of buildings - Part 1: Scope, object and fundamental principles

IEC 60950 Safety of information technology equipment, including electrical business equipment

EN50173 Information technology - Generic cabling for customer premises

EN50174-1 Information technology – Cabling Installation. Specification and quality assurance.

EN50174-2 Information technology – Cabling Installation. Installation planning practices inside buildings

ANSI/EIA-568 Commercial Building Telecommunications Cabling Standard

ANSI/EIA-569 Commercial Building Standard for Telecommunications Pathways and Spaces

ANSI/TIA/TSB 72 Centralized Optical Fibre Cabling Guidelines

ANSI/TIA//TSB 75 Additional Horizontal Cabling Practices for Open Offices

IEEE 802.3 Local Area Networks: Carrier Sense Multiple Access with Collision Detection CSMA/CD – Ethernet

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2.1 Copper Cabling in Categories or Classes Copper Cabling System performance is always classified by Classes whereas the components are defined by the categories. The Ethernet speed or bandwidth has a loose correlation with the categories as referenced in the below table 2.1.

Category Performance Bandwidth Application

Cat. 5e Class D 100MHz up to 1Gb/s Ethernet

Cat. 6 Class E 250MHz up to 1Gb/s Ethernet

Cat. 6a Class Ea 500MHz up to 10Gb/s Ethernet

Cat. 7 Class F 600MHz up to 10Gb/s Ethernet

Cat. 7a Class Fa 1000MHz up to 10Gb/s Ethernet

Cat. 8 2000MHz up to 40Gb/s Ethernet

Table 2.1 Categories and/or Class correlation with Ethernet

2.2 Performance Level in Copper Cabling Systems There are 3 levels of performance compliance in the systems and they are:

2.2.1 Channel Compliance The complete data transmission link that includes the horizontal cables, the RJ45 jacks in both ends and the RJ45 patch cords to connect the equipment.

2.2.2 Permanent Link The fixed installation in horizontal cabling that includes only cables and the RJ45 jacks in both end without the RJ45 patch cords

2.2.3 Hardware compliant The component itself meets the standard

Here is the diagram to illustrate the 2 scenarios: Channel and Permanent Link.

Channel

Channel

Permanent Link

Permanent Link

15m mini - 55m maxi

PD

CP TO Work area cord

2m mini - 5m maxi5m mini

100m maxi

15m mini - 55m maxi 5m mini

50m maxi

CP TO

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2.3 Distance in Copper Cabling with Different Categories or Classes There is a distance limitation in copper cabling systems which is correlated with difference categories (or classes) and IEEE bandwidth applications. The below table 2.3 is showing the maximum distance can reach in difference categories.

Standard ISO - EN Standard TIA 100 Mbps 1 Gbps 10 Gbps

Cat. 5e (components)Class D (system)

Cat. 5e (components)Cat 5e (system) 100 m 100 m No

Cat. 6 (components)Class E (system)

Cat 6 (components)Cat 6 (system) 100 m 100 m

55 m (UTP)

100 m (UTP)

Cat. 6a (components)Class EA (system)

Cat 6A (components)Cat 6A (system) 100 m 100 m 100 m

Cat. 7 (components)Class F (system) 100 m 100 m 100 m

Cat. 7a (components)Class FA (system) 100 m 100 m 100 m

Cat. 8 (components)Class 8 (system) 100 m 100 m 30 m (STP)

Table 2.3 Max Distance per IEEE application

2.4 Distance in Fibre Cabling with Singlemode and Multimode Fibre Optic Network Same as Copper Cabling, there is a distance limitation in fibre cabling systems as well as the link budget for the transmission bandwidth. Table 2.4 below shows the maximum distance that can be reached for different transmission bandwidths with the link budget.

Application Designation Date Rate Mb/s Standard Fibre

Type

Cable Plant Loss Budget (dB)

Max length (m)

Ethernet 10BASE-FL/FB 10 IEEE 802.3 OM2 6.8 1942

Fast Ethernet 100BASE-FX 100 IEEE 802.3 OM2 6 2000

1 Gigabit Ethernet 1000BASE-SX 1,000 IEEE 802.3z OM2 3.56 550

10 Gigabit Ethernet 10GBASE-SR 10,000 IEEE 802.3aeOM3 2.59 300

OM2 1.8 82

40 Gigabit Ethernet 40 GBASE-SR4 40,000 IEE 802.3baOM3 1.9 100

OM4 1.5 150

100 Gigabit Ethernet 100 GBASE-SR10 100,000 IEE 802.3baOM3 1.9 100

OM4 1.5 150

Table 2.4 Distance for different bandwidths with link budget with multimode fibre cable

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Application Designation Date Rate Mb/s Standard Fibre

Type

Cable Plant Loss Budget (dB)

Max length (m)

1 Gigabit Ethernet 1000BASE-LX 1,000 IEEE 802.3z OS1 4.56 2000

OS2 4.56 10000

10 Gigabit Ethernet 10GBASE-LR/LW 10,000 IEEE 802.3ae OS1 6.2 2000

OS2 6.2 10000

10 Gigabit Ethernet 10GBASE-ER/EW 10,000 IEEE 802.3aeOS1 10.9 2000

OS2 10.9 20000

40 Gigabit Ethernet 40GBASE-LR4 40,000 IEEE 802.3baOS1 6.3 2000

OS2 6.3 2000

100 Gigabit Ethernet 100GBASE-LR4 100,000 IEEE 802.3baOS1 6.3 2000

OS2 6.3 2000

Table 2.4 Distance for diff bandwidth with link budget with singlemode fibre cable

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Part II: 3M™ Copper and Fibre Products Installation

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1.0 3M™ Copper Cabling System Installation Copper cabling in the horizontal consists of copper cable, copper patch panels and management panels, terminal outlets, faceplates and copper RJ45 patch cords as shown below:

3M™ Patch cords

3M™ Copper Patch Panel

+ Horizontal copper cable

3M™ Faceplate

3M™ RJ 45 Copper Jack

Safety is important to everyone, including the people working inside the project site, cabling team installers and other contractors in the field. The cabling installers must participate in their company safety programs and follow the local codes for the safety precaution in the construction site.

There are some tools that can help minimize the risk of injury:

• Helmet to protect the head during installation of the cable

• Eye protection glasses

• Protective footwear

• Avoid loose clothing that can be caught on tools and machinery.

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1.1 Copper Cable Installation Good cable installation is essential. Keep in mind that the maximum permanent link of the horizontal cabling shall not exceed 90 m and the channel link shall not exceed 100 m for the Cat. 5e, Cat. 6 and Cat. 6a performance. The data communication cable and the power cables need to be separated, which can refer to the EN 50174 requirement. Figure 1.1.1 below shows the separation distance with different kinds of cables.

Distance A

Type of InstallationWithout divider or non metallic divider

Aluminum divider

Steel divider

Unscreened power cable and unscreened IT cable 300mm 100mm 50mm

Unscreened power cable and screened IT cable 50mm 20mm 5mm

Screened power cable and unscreened IT cable 30mm 10mm 2mm

Screened power cable and screened IT cable 0mm 0mm 0mm

Consideration of the Separation:

• 300 mm on cable racks and trays

• 20 mm in trunking if less than 2.5 meters

• 40 mm in trunking if more than 2.5 meters

• Cable crossing high currents to be made a right angles

• Keep more than 300 mm away from fluorescent tubes

There are several types of horizontal pathways including metal trunking, cable trays and conduit. The cables filling those media will be in different considerations. Table 1.1.2 and 1.1.3 provide recommended capacity of the cable filling in the conduit & metal trunking respectively.

Max Number of Cables Allowed

Conduit Size (mm) Cat. 5e Cat6 Cat6a

21 7 5 2

27 11 8 4

35 19 13 6

41 26 18 8

50 43 30 14

63 61 42 20

78 94 65 31

91 125 87 41

100 161 112 53

Table 1.1.2a Conduit sizing for horizontal cable, straight run Source: BiCSI TDMM 13th Edition

Max Number of Cables Allowed

A

IT cablepowercable

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Conduit Size (mm) Cat. 5e Cat. 6 Cat. 6a

21 6 4 2

27 9 7 3

35 16 11 5

41 22 15 7

50 37 25 12

63 52 36 17

78 80 55 26

91 106 74 35

100 137 95 45

Table 1.1.2b Conduit sizing for horizontal cable, 90º bend in conduit Source: BiCSI TDMM 13th Edition

3M™ Cable Tray fill ratio according to TIA-569-B

Cable Type Cat. 6 U/UTP Cat. 6a F/UTP Cat. 7 S/FTP

Cable diameter (mm) 6.0 7.1 7.5

Area of one cable (mm²) 28.3 39.6 44.2

Trunking Usable capacity 50% fill (mm²) Cat. 6 U/UTP Cat. 6a F/UTP Cat. 7 S/FTP

50x50 1250 44 each 31 each 28 each

40x50 1000 35 each 25 each 22 each

35x40 700 24 each 17 each 15 each

Trunking Usable capacity 40% fill (mm²) Cat. 6 U/UTP Cat. 6a F/UTP Cat. 7 S/FTP

50x50 1000 35 each 25 each 22 each

40x50 800 28 each 20 each 18 each

35x40 560 19 each 14 each 12 each

Trunking Usable capacity 25% fill (mm²) Cat. 6 U/UTP Cat 6a F/UTP Cat. 7 S/FTP

50x50 625 22 each 15 each 14 each

40x50 500 17 each 12 each 11 each

35x40 350 12 each 8 each 7 each

Table 1.1.3 3M™ Cable fill ratio in trunking

As a guide, up to 12 horizontal 3M™ Copper Cables can be pulled at a time. If the route is short (<30 m) and straight with easy access to the cable path, the cable may be pulled off the reel and laid into place directly without accessing the strength members.

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The maximum pulling load of 3M™ Horizontal Copper Cables is ≤ 100 N.

It is essential that 3M™ Copper Cable is never subjected to a bend tighter than the minimum bend radius specification and that the maximum pulling load is never exceeded. The minimum bend radius varies according to whether the cable is under load (during the pulling operation should be less than 8 time of diameter of cable) or unloaded (after the pulling operation should be less than 4 time of the diameter of cable).

Pulling cables through a conduit requires some attention. It is better to avoid the following happening on the cable:

• Twisting the jacket

• Over bending

• Having a kink

• Jacket is being torn

Care should be taken to ensure that the cable is not damaged or kinked as this could impair the transmission performance of the cable.

Standards requirementin termination space

Acceptable practices (limited)

Around 22mmbend radius

Bend radius 8 timesthe cable diameter

Avoid>90º

Around 22mmbend radius

(cable may kink)

<90º

Acceptable practices (limited)

Around 22mmbend radius

(cable may kink)

Bend radius 8 timesthe cable diameter

<90º

Standards requirementin termination space

Bend radius 8 timesthe cable diameter

Avoid>90º

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There are 2 different kinds of “one-click” 3M RJ45 jacks. One has two entry points and the other is a three-entry jack.

The two-entry jack is for Cat. 5e performance. The three-entry jacks are available for Cat. 6 and Cat. 6a performance. Termination of each jack is different. 3M RJ45 jacks are usually used at both ends of the link. Follow the installation instructions supplied with jack carefully.

It is important when installing the jack to use the correct wiring code and to maintain the twist in each pair of conductors as close to the contacts in the jack as possible.

To meet the conditions of the warranty, the jack must be installed in a 3M approved patch panel, faceplates or telecommunications outlet that is included in the Warranted 3M Product List.

1.2 3M™ RJ45 Copper Jacks Good termination of a 3M RJ45 copper jack is required. So, it is important to follow the pre-termination steps (the methods, tools and practices) for terminating the horizontal cable with a 3M RJ45 jack.

There are 2 wiring methods to terminate the cable in a 3M RJ45 jack (T568A and T568B).

There is also a “cross cable” termination with one side of the cable terminated in T568A method and the other side terminated with T568B method.

However, it is recommended for straight wiring to use either the T568A or T568B method in both sides of the cable termination.

The below figure shows the difference between the T568A method and T568B method pair arrangement.

Pair 2

Pair 3

1W-G W-O W-BL

3M™ RJ45 Jack T568A Wire Positions 3M™ RJ45 Jack T568B Wire Positions

W-BR BROBLG2 3 7 84 5 6

Pair 1 Pair 4

Pair 3

Pair 2

1W-O W-G W-BL W-BR BRGBLO

2 3 7 84 5 6

Pair 1 Pair 4

Pair 2

Pair 3

1W-G W-O W-BL

3M™ RJ45 Jack T568A Wire Positions 3M™ RJ45 Jack T568B Wire Positions

W-BR BROBLG2 3 7 84 5 6

Pair 1 Pair 4

Pair 3

Pair 2

1W-O W-G W-BL W-BR BRGBLO

2 3 7 84 5 6

Pair 1 Pair 4

BL = Blue BR = Brown G = GreenO = OrangeW = White

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1.3 3M™ Copper Patch Panels Installation It is recommended that at least one floor distributor is provided for every 1000 m² of floor space, according to (ISO/IEC 11801) and/or ANSI//TIA 569A. The floor distributor can be a free standing, wall mount type 19" cabinet or open rack.

3M RJ45 Jacks will be installed in the 19" Patch Panels with either 16, 24, 32 or 48 ports. The jacks will be secured in the patch panel as shown.

The cable will be installed at the back of the panel as shown.

Step 1

Step 3

Step 2

Step 4

Insert wires

Place in connector

Fold and trim wires

Close connector

“Click”

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Before putting the installed cables inside the cabinet, the cables must be in a neat and orderly manner. Pay attention to maintain the minimum bend radius of all cables within a bundle, particularly the cables on the inside or outside arc of the bend. Also, allowing the cables to lie naturally inside the cable tray and don’t put any forces on them.

It is also recommended to use proper cable managers and normally, those managers are designed to properly support the in-place cables and relieve tension, as well as to provide further support for the future cables adding.

The guideline for the minimum bend radius of the unshielded-4 pair patch cords is a 6 mm inside bend radius, according to BiCSI TDMM 13th Edition.

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1.4 Consolidation Point The Consolidation Point is used for the flexibility of relocating the terminal outlet in the work area. Only one consolidation point is permitted between the floor distribution (FD) and the terminal outlet (TO). The CP shall only contain passive connecting hardware and shall not be used for cross connection function. In addition, the CP shall be located in the accessible locations and for balanced cabling, the CP must be at least 15 m from the floor distributor (FD). It shall be in the administration system.

A single MUTOA (Multi User Telecommunication Outlet Assembly) shall be limited to serve a maximum of 12 work area and not recommended to use 24 AWG patch cords with lengths that exceed 22 m according to ANSI/TIA 568 standard. The below figure shows the application of the MUTOA.

Patch cords/jumpersEquipment

cable

Horizontalcross-connect

Horizontalcables

Telecommunication

outlet/connectors

Work area cables

Backbonecable

TelecommunicationsRoom

Multi-UserTelecommunicationsOutlet Assembly

Work Area

There is a formula to calculate the work area copper cable maximum length to MUTOA.

C = (102-H)/(1+D)W = C - T

Where:

C is the max combined length (m) of the work area cord, equipment cord and patch cord

H is the length (m) of the horizontal cable (H + C ≤ 100m)

D is the insertion loss de-rating factor for the cord type (0 for solid conductor cords, 0.2 for 24AWG stranded cords and 0.5 for 26AWG stranded cords)

W is the max length (m) of the work area cord

T is the total length of patch and equipment cords in the telecommunications room or enclosure

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Below is the table 1.4.1 illustrates the results of the above formulae assuming that there is a total of 5m of 24AWG or 4m of 26AWG patch cords and equipment cord in the telecommunication room.

24 AWG Patch Cords 26 AWG Patch Cords

Length of horizontal cable

Max Length of work area cord

Max combined length of work area cord, patch cords and equipment cord C (m)

Max Length of work area cord W (m)

Max combined length of work area cord, patch cords and equipment cord C (m)

90 5 10 4 8

85 9 14 7 11

80 13 18 11 15

75 17 22 14 18

70 22 27 17 21

Table 1.4.1 Max length of horizontal cables and work area cords according to ANSI/TIA 568 C -1

2.0 Fibre Cabling Installation2.1 Typical Diagram of Fibre Backbone Cabling The following figures show typical network diagrams with examples of components used.

Fibre Backbone Cable

Copper Horizontal Cable

FaceplateLayer 2 switchesCopper Patch Panel

Copper Patch Cord

Fibre Patch Cord

RJ45

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Optical FibreTube Jelly Filled

PBT Loose Tube

FRP Strength MemberCable Core Jelly

Ripcord

Polyester Tape

Aramid Yarns

Black PE Sheath

2.2 Installation of Fibre Optic Backbone Cable The backbone runs between the comms room and the floor distributors or between buildings.

Cables supplied for the backbone should have PVC, LS0H or PE jacket. The capacity of the cable will depend on the traffic expected, with a minimum of 4 fibres. Cables can be supplied with 4, 6, 12, 24, 48, 72 or 96 fibres.

There are 2 types of fibre optics cables, Indoor (tight buffer) and Outdoor (loose type) cables. The structures of these 2 cables are as follow.

Pay attention to the bending radius when we both pull and rest the fibre optic cables so that the cable is not damaged (see below table from BiCSI TDMM 13th Edition).

Cable Minimum bending radii

Optical fiber (up to four strands at rest) 25mm (1in)

Optical fiber (up to four strands during pull) 50mm (2in)

Backbone optical fiber at rest 10 times the cable outside diameter

Intrabuilding optical fiber during installation 15 times the cable outside diameter

Interbuilding optical fiber during installation 20 times the cable outside diameter

in = inch, mm = millimeter Source: BiCSI TDMM 13th Edition

Outdoor type Loose Type cable

Indoor Tight Buffer cable

FRP Central Strength Member

Optical Fibre

Buffer Coating

Aramid Yarn

Outer Coating

Ripcord

Optical FibreAramid Yarns

Buffer Coating

Sub-unit Sheath

Polyester TapeOuter Sheath

Ripcord

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Also, when handling the fibre optic cables:

• Do not pull on the horizontal cable jacket. To draw fibre through ducting, pull on the cable strength member.

• Replace cables with torn or damaged jackets

• Do not use splices to repair cables

• Do not fold cables or tie cable ties too tight; ensure the ties can slip over the cable

• Do not place too many fibre cables in ducting or trunking

• Use cable dispenser on rollers to dispense fibre cable

• Ensure the correct type of fibre cable is being installed

• Power and fibre cables should not be in same bundle

• Do not lay cables directly on false ceiling; use cable trays

• Use a suitable attachment to pull on the aramid yarn or central strength member.

2.3 Installation of 3M™ Fibre Optic Field-installable Connectors The 3M fibre optic field-installable connectors have the following features:

• Field installation of SC or LC connectors

• One piece, pre-assembled design

• No power and no polish needed

• Field terminated in minutes

• Simple assembly tool

SC and LC field-installation connectorsOptical Fibre Type Nominal Core Diameter (µm) Connector Type

OM1 62.5 SC/LC

OM2 50 SC/LC

OM3 50 SC/LC

SM 9 SC/LC

The 3M fibre connectors can be used at both ends of the link. Follow the installation instructions supplied with the connectors carefully.

It is important when terminating the connectors to use the correct tools and maintain the required bending radius for the fibre cable being stored.

To meet the conditions of the warranty, the connectors must be installed in a 3M approved patch panel, wall-mount box and terminal outlet box that is included in the Warranted 3M Product List.

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2.4 Installation of 3M™ Fibre Optic Patch Panels 3M fibre optic patch panels provide the connection point between fibre cable and the equipment. It can be used as a testing point and in cross-connecting applications. There are cassettes or trays inside for the fibre splices (if not using field mount connectors) with pigtails. These panels also have the capability for different fibre count cables and faceplates with different fibre couplers. It can also fit in the 19" standard cabinet and with the sliding drawers to do the fibre installation and manage the fibre tube cables inside. The most important thing is having adequate patch cord management features to ensure minimum bend radius specifications are not exceeded.

The 3M™ Fibre Optic Patch Panel

Installation and cable management

Pay attention on the bending radius of the fibre cable installed inside the panel.

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2.5 3M™ Cabling System with MTP Connectors The MTP solution is normally used in high density deployment of fibre optic connectors inside a 19" cabinet in places like a data centre, which would be connecting from one cabinet to another cabinet.

Rack A

to networkhardware

Typical Data Centre Application

to networkhardware

Rack BMPO/MTP Backplane Connections

(pre-terminated cable)

There are different types of polarities in MPO/MTP configuration.

Polarity A the MPO/MTP modules are the same at each end. One side of the patch cord is flipped.

Polarity B the MPO/MTP modules are different at each end. One side is key down to key down and the other side is key up to key up.

3M uses MTP Polarity B.

MPO/MTP Panel MPO/MTP Panel

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Part III: Testing and Systems Warranty Process

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1.0 Testing Upon completion of the installation, the horizontal copper cabling system must be tested in accordance with the procedure described below. The backbone fibre cabling system shall be tested in accordance with the corresponding standards.

To test the “link” of the cabling, there is a field tester required and the requirement for the field testers are defined by ISO/IEC 11801:2010:

• Level IIe, supports Class D (100MHz)

• Level III, supports Class E (250MHz)

• Level IIIe, supports Class EA (500MHz)

• Level IV, supports Class F (600MHz)

• Level V, supports Class FA (1000MHz)

The tester MUST go back to the manufacturers or their qualifying labs for calibration each year.

1.1 Copper Test Equipment RequirementIt is important to note that the latest editions of ISO/IEC 11801 and EN 50173 and ANSI/TIA 568 all now require the permanent link to be tested and not the basic link as in previous editions. The difference is significant. The permanent link does not include the patch cords at each end of the system. It is essential that the test equipment used is capable of making a permanent link test in accordance with the requirements of the latest edition of the standards.

FD

CP (optional)

Link interface adapter

Master

Slave

TO

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1.2 Link and Channel DefinitionBoth the International Standard ISO/IEC 11801 and the European Standard EN 50173 define a permanent link and a channel. The permanent link is the permanently installed part of the cabling. The channel is the full end to end connection including the equipment and work area cables (note however that the channel does not include the loss attributable to the equipment connectors). The below figure shows how the definitions of channel and permanent link apply to the backbone and horizontal cabling.

Channel

Channel

Permanent Link

Permanent Link

15m mini - 55m maxi

PD

CP TO Work area cord

2m mini - 5m maxi5m mini

100m maxi

15m mini - 55m maxi 5m mini

50m maxi

CP TO

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1.3 Testing RequirementTesting shall be performed using an automatic tester or scanner. The following parameters of the link shall be verified:

• Headroom report (The worst-case margin for a parameter determined by the selected standard (this may be NEXT, ACR, PSNEXT or another measurement)

• Wire map

• Resistance

• Link length (needs to validate the NVP values in the tester before testing the length)

• Insertion loss

• Return loss

• Near end crosstalk (NEXT)

• Power sum near end crosstalk (PSNEXT)

• Equal level far end crosstalk (ELFEXT)

• Power sum equal level far end crosstalk (PSELFEXT)

• Attenuation to crosstalk ratio (ACR)

• Power sum attenuation to crosstalk ratio (PS ACR)

• Delay skew

• Impedance

• DC loop resistance

1.3.1 Wire MapA wire map test is intended to verify correct pin termination at each end of the link and to check for connection errors in the installation. For each of the conductors in the cable, and the screen(s), if any, the conductor map indicates:

• Continuity to the remote end

• Shorts between any two or more conductors/screen(s)

• Transposed pairs

• Reversed pairs

• Split pairs

• Any other connection errors

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A reversed pair occurs when the polarity of one wire pair is reversed at one end of the link. Note this is also sometimes referred to as a tip and ring reversal.

A transposed pair occurs when the two conductors in a wire pair are connected to the position for a different pair at the remote connection. Note transposed pairs are sometimes referred to as crossed pairs.

Split pairs occur when pin to pin continuity is maintained but physical pairs are separated. Below gives an illustration of all three conditions.

Reversed pair Tranposed pair Split pairs1

3

5

7

9

1

3

5

7

9

1

3

5

7

9

1

3

5

7

9

1

3

5

7

9

1

3

5

7

9

1.3.2 Near End CrossTalk (NEXT)When a current flows in a wire, an electromagnetic field is created which can interfere with signals on adjacent wires. It is measured at the end of the cable nearest the transmission point.

As frequency increases, this effect becomes stronger. Each pair is twisted as this allows opposing fields in the wire pair to cancel each other. The tighter the twist, the more effective the cancellation, and the higher the data rate supported by the cable.

Normally, excess NEXT may be coming from:

• Mixed categories of cabling components

• Proper twisting is not maintained when terminating the twisted cable

• Defective cable or test adaptors

• Consolidation Point is too close to the telecommunications room

• Too much compression by cable ties in the bundles

• Poor termination of the RJ45 jack

• High EMI in the environment

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1.3.3 Insertion Loss When the signal is transmitted along the cable, there may be a loss in power of the transmitted signal. If this is too high, the signal will be affected. It can be caused by:

• High temperature

• Different category of the cable

• Cable is too long that excess the 100 m Channel link

• Damaged Cable

• Cable with kink and excess bending radius

• Poor termination of the RJ45 jack

1.3.4 Return Loss Return loss is measuring all reflections that are caused by the mismatch impedance along the link and is expressed in dB. I.e. the ratio of the outgoing signal power to the reflected signal power. The return loss measurement varies significantly with different frequencies. The failure in return loss is caused by:

• Cable with kink and excess bending radius

• Poor termination of the RJ45 jack

• Consolidation Point is too close to the telecommunications room

• Different category of components and cable

Incident Signal

inVVrefl

Reflected Signal

1.3.5 Attenuation-to-Crosstalk Ratio (ACR)By subtracting the insertion loss (attenuation [dB]) from NEXT crosstalk (dB), you will obtain the ratio value of ACR. The values for each of these parameters are recorded at a specific point of frequency and recorded in decibels. For example, if the worst-cast NEXT value at 50 MHz was 50 dB and the worst-case attenuation value at 50 MHz was 30 dB, then, the ACR value at 50 MHz would be 20 dB. A positive ACR value is desirable.

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1.3.6 Delay SkewWithin the same cable sheath, the difference in propagation delay between any 2 pairs is the delay skew. Applications that (e.g Gigabit Ethernet) utilize all 4 pairs to simultaneously transmit signals will be impacted by the excessive delay skew. It is mostly caused by the cable damage or manufacturing problems; however, it can be a mix of substandard connection components or patch cords as well.

1.3.7 Impedance Impedance is the effective resistance of an electric circuit or component to alternating current, arising from the combined effects of ohmic resistance and reactance.Incorrect Impedance mismatches are normally coming from:

• Poor installation techniques

• Incorrect or defective cable and/or components

1.3.8 Loop Resistance To determine the Loop Resistance, it can be shorting both conductors of a balanced twisted pair at one end of a cable and measuring the total resistance of both conductors from the opposite end.

Excess resistance may be caused by:

• Excessive cable length – ensure the length of the cable is within specifications for the application

• Poor connection at termination point – improperly done terminations on outlet or patch panel

• Defective shorting plug, test cable, test adapter, equipment cable or patch cord

1.3.9 CapacitanceThe ability of an electronic component to store electrical energy is called Capacitance. For balanced twisted pair cables, capacitance is measured between the 2 wires of a pair.

Possible causes for an incorrect capacitance are:

• Broken conductor in a cable – check continuity

• Split pairs – investigate the pair termination and patch cables

• Wrong cable type for application – determine the cable type and replace if incorrect

• Shorted conductors – wire map, length, or scan tests should help locate this fault

• Cable stretched during installation. If the capacitance value appears erratic, investigate for the intermittent connections

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2.0 Fibre Link TestThe fibre link can be tested as follows:

Fibre cable link

2.1 MultimodeField-test instruments for multimode fiber cabling shall meet the requirements of ANSI/TIA-526-14.

2.2 SinglemodeField test instruments for single-mode fiber cabling shall meet the requirements of ANSI/TIA-526-7.

2.3 Link Reference PlaneAttenuation of passive links includes the attenuation of the constituent links and other optical branching components such as bypass switches, couplers and splitters. Passive link attenuation does not include equipment cords or active devices such as repeaters, switches, amplifiers, OLTs and ONTs.

Passive Link Reference Plane

(connections, splices and passive devices)

Patch Cord Patch Cord

Equipment

-.75 dB -.75 dB

.25km(.87 dB)

-0.5 dB

Budget: -2.87 dB

Mechanical Splice

Backbone

Equipment

Equipment Equipment

Source: TIA

2.4 Cabling system The cabling system shall be tested in one direction at one wavelength, either 850 nm or 1300 nm for multimode, and either 1310 nm or 1550 nm for single-mode.

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2.5 Use of test cordsBoth ANSI/TIA-526-7 and ANSI/TIA-526-14 recommend the use of reference-grade terminations on test cords to reduce uncertainty and improve the reproducibility of measurements. Reference-grade terminations result in lower loss than standard-grade terminations.

Mated termination combination Multimode (dB/connection) Single-mode (dB/connection)

Reference-grade to standard-grade 0.31 0.52

Standard-grade to standard-grade 0.75 0.75

Note 1 - This value is taken from ANSI/TIA-526-14, Table F.1.Note 2 - This value is taken from ANSI/TIA-526-7, Table G.1.

According to ANSI/TIA-568 C, there are limits for each components as follows:

• 0.75 dB maximum loss for each mated pair of connectors

• 0.5 dB maximum loss for each mechanical splice

• 0.1 dB maximum loss for each fusion splice

• 3.5 dB/km loss for multimode fiber at 850 nm

• 1.5 dB/km loss for multimode fiber at 1300 nm

• 1.0 dB/km loss for singlemode fiber in indoor cable (both wavelengths)

• 0.5 dB/km loss for singlemode fiber in outdoor cable (both wavelengths)

Each link testing is only in one single direction.

Example:

Passive Link Reference Plane

(connections, splices and passive devices)

Patch Cord Patch Cord

Equipment

-.75 dB -.75 dB

.25km(.87 dB)

-0.5 dB

Budget: -2.87 dB

Mechanical Splice

Backbone

Equipment

Equipment Equipment

Allowed Loss Per TIA-568-C.0 and C.3 Standard Actual Loss (3M Typical)

Mated Pair .75 .20

Mated Pair .75 .20

Mechanical Splice .50 .10

Multimode Fiber .87 .10

2.87 dB .60 dB

2.87 dB - .60 dB = 2.27 dB

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3.0 Test Report of Both Copper and Fibre CablingTest results for all links need to be stored and upon completion of the testing a fully documented test report must be produced. The contents of the test report shall include at least the following information:

• System location

• Testing date

• Name of person(s) performing test

• Performance details of each link tested.

Detailed records of the original installation shall be kept and all subsequent changes documented as and when they are carried out. A computer-based scheme is highly recommended.

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4.0 Warranty Communication Markets Division

25-year Cabling System Warranty, Training and Qualification Process

Warranty Summary3M warrants that the passive products that comprise the registered cabling system will, under normal and proper use, conform to 3M’s advertised and published specifications at the date of purchase and transport data in accordance with the appropriate link specifications for industry standards in effect at the time of installation for a period of twenty-five (25) years as follows:

• Copper systems are warranted to meet the Class D/Category 5E, Class E/Category 6, Class EA/Category 6A performance requirements as defined by EIA/TIA, ISO/IEC or CENELEC.

• Fibre cabling systems are warranted to meet the link specifications in industry standards at the time of installation, depending on the type of fibre cable installed (OM2, OM3, OM4, OS1, OS2) as defined by EIA/TIA, ISO/IEC or CENELEC.

The system warranty is extended by 3M to the end user when 3M Products are properly installed, tested and registered by a Qualified Integration Professional (QIP) or Qualified Installer (QI). Note, a Certified Installer Agreement may be needed in cases where the end user requires an installer other than an authorized QIP. The QIP or QI has responsibility for proper installation of the system to the guidelines in the 3M’s approved “Design, Planning and Installation Manual(s)” and/or “Product Installation Instructions.”

Contact your 3M Qualified Integrator or local 3M sales representative for more information.

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Part IV: Annex – Glossary and Terminologies

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ACR attenuation to crosstalk ratioANSI American National Standards InstituteAPC angled physical contactASTM American Society for Testing and

MaterialsATM asynchronous transfer modeBD building distributorBER bit error rateBICSI Building Industry Consulting Service

InternationalB-ISDN broadband ISDNCD campus distributorCISPR International Special Committee on

Radio InterferenceCP consolidation pointCPE customer premises equipmentCSMA/CD carrier sense multiple access with

collision detectionDUT device under testEIA Electronic Industries AssociationELFEXT equal level far end cross talkEMC electromagnetic compatibilityEMI electromagnetic interferenceFD floor distributorFDDI fibre distributed data interfaceFEXT far end crosstalkFOTP fibre optic test procedureFTP foiled twisted pairIDC insulation displacement connectionIDF intermediate distribution frameIEC International Electrotechnical

CommissionIEEE The Institute of Electrical and

Electronics EngineersIL insertion lossISDN integrated services digital networkISO International Organization for

StandardizationITU-R International Telecommunication

Union - Radio sectorITU-T International Telecommunication

Union - Telecommunication sectorLAN local area networkLED light emitting diodeMAU media attachment unitMbps megabits per secondMDF main distribution frameMUTO multi user telecommunications outletNEXT near end crosstalkNIST National Institute for Standards and

Technologies

PBX private branch exchangePC physical contactPS NEXT power sum NEXTPS ACR power sum ACRPS ELFEXT power sum ELFEXTPS FEXT power sum FEXTPVC polyvinyl chlorideRF radio frequencyScTP screened twisted pairSFF small form factor connectorSFTP shielded foiled twisted pairSSTP shielded shielded twisted pairSTP shielded twisted pairTIA Telecommunications Industry

AssociationTO telecommunications outletTP transition pointTSB Telecommunications System BulletinUL Underwriters Laboratories Inc.UPS uninterruptible power supplyUTP unshielded twisted pairA amperemA milliampereC degrees CelsiusdB decibelg acceleration due to gravitygm gramkg kilogramHz hertzkHz kilohertzkPa kilopascalm metrekm kilometremm millimetreμm micrometrenm nanometreMHz megahertzN NewtonkN kilonewtons secondms millisecondμs microsecondns nanosecondV VoltmV millivoltμV microvoltΩ ohmmΩ milliohm

Acronyms and Abbreviations

3M is a trademark of 3M Company. All other trademarks herein are the property of their respective owners.

Note: Product specifications and descriptions in this document are subject to change.

Important NoticeAll statements, technical information, and recommendations related to 3M’s products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. This information is intended for use by persons with the knowledge and technical skills to analyze, handle and use such information. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any statements related to the product which are not contained in 3M’s current publications, or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M.

Warranty; Limited Remedy; Limited Liability. Unless the system qualified for the 25-year warranty period, this product will be free from defects in material and manufacture for a period of 12 months from the time of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any loss or damage arising from this 3M product, whether direct, indirect, special, incidental or consequential regardless of the legal theory asserted.

Communication Markets Division6801 River Place Blvd.Austin, TX 78726-9000 USA

Phone 1-800-426-8688Fax 1-800-626-0329Web 3M.com/Telecom

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