IEC 61754-7-3-2019 PDF

Full title and description

Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 7-3: Type MPO connector family - Two fibre rows 16 fibre wide. This IEC standard defines the standard interface dimensions for the MPO connector family variant that uses two fibre rows with a 16‑fibre width.

Abstract

IEC 61754-7-3:2019 specifies the mechanical interface dimensions and related interface definition for the MPO family connector arranged as two fibre rows, 16 fibres wide. The document provides the geometry and dimensional tolerances required to ensure intermateability of connectors and adaptors within this MPO variant.

General information

• Status: Published / Active (main IEC publication).
• Publication date: 5 April 2019 (IEC base publication).
• Publisher: International Electrotechnical Commission (IEC).
• ICS / categories: 33.180.20 (Fibre optic interconnecting devices).
• Edition / version: Edition 1.0 (2019).
• Number of pages: IEC listing shows 52 pages for the IEC publication; some national adoptions/EN/UNE listings report shorter derived PDFs (examples: 34 pages for certain national publications). Users should check the publisher copy they acquire for the exact page count.

Scope

The scope covers definition of the physical interface — dimensions, keying and mating features — for the MPO connector family variant that accommodates two rows of fibres with a 16‑fibre wide array. The standard is intended to ensure mechanical compatibility between plugs, adapters and housings that implement this MPO two‑row 16‑fibre geometry. It does not prescribe fibre performance parameters (loss, return loss) beyond those needed to define the physical interface.

Key topics and requirements

• Standardised interface dimensions and tolerances for the two‑row, 16‑fibre MPO configuration.
• Keying and alignment features to control polarity and mating orientation (pin/hole alignment locations and sizes).
• Mechanical mating interfaces for plugs, adapters and receptacles within the MPO family.
• Intermateability rules so that compliant components from different manufacturers will mechanically mate.
• Dimensional gauges and reference datums used to verify conformance to the interface specification.

Typical use and users

Typical users and applications include MPO/MTP connector and adaptor manufacturers, fibre‑optic component designers, data‑centre interconnect designers, network equipment vendors and cabling integrators who need to ensure mechanical compatibility of multi‑fibre MPO assemblies (high‑density patching, parallel optics and multi‑lane transceiver interconnects). Guidance on testing and deployment of MPO multi‑fibre cabling is available in companion IEC technical reports and test standards.

Related standards

IEC 61754-7-3 is part of the IEC 61754 connector‑interfaces series and the MPO family family of parts. Relevant related documents include: IEC 61754-7-1 (MPO — one fibre row) and IEC 61754-7-2 (other MPO row/variant parts), the parent IEC 61754-7 family publications, and IEC TR 61282-15 (guidance on testing MPO multi‑fibre cable plants). National/adopted EN/UNE versions of IEC 61754-7-3 exist as well.

Keywords

MPO, multi‑fibre push‑on, MT ferrule, two fibre rows, 16‑fibre, interface dimensions, connector family, intermateability, fibre optic connectors.

FAQ

Q: What is this standard?

A: IEC 61754-7-3:2019 is an International Standard that defines the mechanical interface dimensions for the MPO connector family variant having two fibre rows and a 16‑fibre wide array.

Q: What does it cover?

A: It covers the physical geometry, keying/alignment features, mating interfaces and dimensional tolerances required for mechanical intermateability of the two‑row 16‑fibre MPO connector family. It is focused on interface definition rather than optical performance test limits.

Q: Who typically uses it?

A: Connector and adapter manufacturers, equipment vendors, cabling system designers, data centre architects and test/verification labs use the standard to ensure mechanical compatibility of MPO multi‑fibre interconnects.

Q: Is it current or superseded?

A: IEC 61754-7-3 was published in 2019 (Edition 1.0) and is the IEC base publication for this part. The IEC webstore shows the 2019 edition and provides a stability indication; users should confirm their required national adoption or the IEC webstore for the latest status before purchase or compliance work.

Q: Is it part of a series?

A: Yes — it is part of the IEC 61754 family (fibre optic connector interfaces). Other parts in the 61754-7 subgroup cover different MPO arrangements (for example 7-1, 7-2 and other subparts) and related connector interfaces; check the IEC 61754 series index for the complete set.

Q: What are the key keywords?

A: MPO, multi‑fibre push‑on, MT ferrule, two rows, 16 fibres, interface dimensions, intermateability, fibre optic connector interfaces.