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The MTP® Connector 

The most widely adopted MPO Connector

What is an MPO Connector?

MPO is the industry acronym for “multi-fiber push on.” These connectors have more than 1 fibre in a single ferrule and snap into place by a mechanical mechanism. There are many designs of MPO on the market from the various manufacturers.

See our information page on MTP® vs MPO

What is an MTP® Connector? 

The MTP® connector is a high performance MPO connector with multiple engineered product enhancements to improve optical and mechanical performance when compared to generic MPO connectors.

The MTP® connector is used by many of the leading manufacturers and is the only multi-fibre connector used by Complete Connect.

Used by all the leading high density fibre manufacturers the MTP® Connector is at the heart of the Complete Connect solution. The 12 fibre connector has been designed to provide enhanced “overlife” performance and is key to maintaining a robust network.

We believe the market leading MPO connector in terms of performance and durability is the MTP® connector produced by USConec – which is why our range is standardised on this product and is also probably why the connector is used by many other brands including Corning, Systimax by Commscope, TYCO Amp Net Connect / ADC Krone, Panduit, Siemon and many others.

MTP® Connector Features

There are two aspects to the connector; the housing and the ferrule. There are multiple options of both which are used for different fibre core counts and different construction cables.

MT stands for mechanical transfer and an MT ferrule is a multi-fibre (usually 12 fibres) ferrule. The performance of the connector is determined by the fibre alignment and how this alignment is maintained after connection. Ultimately, the alignment is determined by the eccentricity and pitch of the fibre and how accurately the guide pins keep the fibres together during mating. The performance of any MPO connector can be improved if the tolerances of the pins and the moulding processes are reduced during manufacture.

Why is the MTP Connector Described as A High Performance MPO Connector? 

There are features on the MTP connector that have been specially designed to give improved performance and better usability over generic MPO connectors. These design features are unique to the MTP and are patent protected. The key features are described below:

1. The MTP connector housing is removable.

Re-work and re-polish of the MT ferrule ensures overlife performance.
The gender can be changed after assembly or even in the field giving flexibility at point of use.
The ferrule is scanned interferometrically after assembly

2. The MTP connector offers ferrule float to improve mechanical performance. This allows two mated ferruled to maintain physical contact while under an applied load. (US Patent 6,085,003)

3. The MTP connector uses tightly held tolerance stainless steel elliptical guide pin tips. The elliptical shaped guide pin tips improves guidance and reduces guide hole wear. (US Patent 6,886,988)

4. The MTP connector has a metal pin clamp with features for centering the push spring. This feature:

Eliminates lost pins
Centers the spring force
Eliminates fibre damage from the spring mechanism

5. The MTP connector spring design maximizes ribbon clearance For twelve fibre and multifibre ribbon applications to prevent fibre damage.

6. The MTP connector is offered with four standard variations strain relief boot giving more flexibility over the cable used

A round loose fibre cable construction
Oval Jacketed Cable
Bare Ribbon Fibre
Short boot which reduces the footprint by 45%. Ideal for use in space limited applications.

Optical and Physical Performance 

 Multimode MTP® Optical Specifications

MTP Standard MT Ferrule

MTP ELITE MT Ferrule

Insertion Loss

0.20 dB Typical (All Fibres) 0.60 dB Maximum (Single Fibre)2,3

0.10 dB Typical (All Fibres) 0.35dB Maximum (Single Fibre) 2,3

Optical Return Loss

> 20dB

> 20dB

1. As tested per ANSI/EIA-455-171 Method D3
2. As tested per ANSI/EIA-455-171 Method D1
3. As tested with proposed encircled flux launch condition on 50um fibre & 850nm per IEC 61280-4-1
4. Compliant with proposed IEC 61755-3-31/GRADE B

Singlemode MTP® Optical Specifications

MTP Standard MT Ferrule

MTP ELITE MT Ferrule

Insertion Loss

0.25 dB Typical (All Fibres) 0.75 dB Maximum (Single Fibre) 1

0.10 dB Typical (All Fibres) 0.35 dB Maximum (Single Fibre) 1,4

Optical Return Loss

> 60dB (8° Angle Polish)

> 60dB (8° Angle Polish)

1. As tested per ANSI/EIA-455-171 Method D3
2. As tested per ANSI/EIA-455-171 Method D1
3. As tested with proposed encircled flux launch condition on 50um fibre & 850nm per IEC 61280-4-1
4. Compliant with proposed IEC 61755-3-31/GRADE B

Physical MTP® Specifications

Multimode

Singlemode

Operating temperature

– 40 C to + 80 C

– 40 C to + 80 C

Durability

1000 remates < 0.2 dB change (per EIA-455-21A)

< 0.3 dB change (per EIA-455-21A) 500 remates

1. As tested per ANSI/EIA-455-171 Method D3
2. As tested per ANSI/EIA-455-171 Method D1
3. As tested with proposed encircled flux launch condition on 50um fibre & 850nm per IEC 61280-4-1
4. Compliant with proposed IEC 61755-3-31/GRADE B

LC Connector Cleaning Tools Are Also Available

Are MT Ferrules Cleaned in the Same Way as Standard Connectors? 

The best method available for cleaning MT ferrules to remove dust and oils which reduce optical performance is the use of an advanced dry cloth cleaning system like the IBC branded cleaning tool or an NTT-AT OPTIPOP.

The cleaning method is very simple as it involves a single pass. When using the recommended cleaning system contaminants are completely removed as opposed to using low grade cloths or swabs which just move the contaminants away from the fibres but leave them on the ferrule face.

The IBC click cleaners and OPTIPOP family of cleaners are designed for use with both male and female connections and have options for single fibre ceramic ferrule connectors as well.

The OPTIPOP cassette and card cleaners allow the owner to refill the cleaning clothes which can reduce cost per cleaning below traditional cleaning methods.

Compatibility With Other MPO Connectors 

MPO style connectors that are compliant to industry standards are inter-mateable with the MTP connector. This means that changing from 1 style connector to the MTP connector and getting higher levels of performance is possible.

Which Standards Relate to MPO Connectors? 

MTP connector is fully compliant with – FOCIS (aka TIA-604-5) – IEC-61754-7 – CENELEC EN50377-15-1 The MTP brand connector components are fully compliant with IEC Standard 61754-7 and TIA 604-5 – Type MPO.

More Product Options 

Terminates ribbon fiber or loose individual fibers

Ruggedized round cable, oval cable and bare ribbon options available

Compatible with US Conec MT ferrules in fiber counts 4 – 24

Color coded housings available to differentiate fiber type, polish type and/or connector grad

Housing is removable for quick change of pin clamps and easy ferrule cleaning / re-polishing

No-epoxy housing design

 Family of bulkhead adapters available

Applications & Associated Standards 

Array trunk cables / Array fiber to single fiber fanouts and cassettes

 High fiber density card edge access / Optical switching interframe connections

IEC Standard 61754-7 / TIA/EIA 604-5 Type MPO Structured cabling per TIA-568-C Parallel Optics / Optical Internetworking Forum

(OIF) Compliant Infiniband Compliant / 10G Fiber Channel Compliant / 40G and 100G IEEE 802.3 SNAP 12 / POP 4 / QSFP

6 Great Reasons Why People Choose Compete Connect.

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+44 (0) 20 8286 6529

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www.usconec.com
MTP®, MTP Elite®, Conec®, MT Elite®, IBC™ are trademarks or registered trademarks of US Conec Ltd. © 2009 US Conec Ltd. Rev_1. All Rights Reserved.

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