IEC 60297-3-103:2004 PDF

Name: IEC 60297-3-103:2004 — Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-103: Keying and alignment pin
SKU: IEC 60297-3-103:2004
Price: 35 EUR
Availability: InStock

Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-103: Keying and alignment pin

Название (английский):

IEC 60297-3-103:2004

Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-103: Keying and alignment pin

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 17 августа 2004 г.
Издание:: IEC IS 60297 edition 1 version 1
ICS:: 31.240

Тип поставки:

Full version240 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:3 раб. дн. (перевод)

Цена:240 €

Описание (английский):

Covers only the additional interface dimensions for an alignment pin and a keying device used with subracks and plug-in units according to IEC 60297-3-101. May also be used in conjunction with IEC 60297-3-102.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 60297-3-103:2004 - Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-103: Keying and alignment pin defines the additional interface dimensions for keying devices and alignment pins used with 19 in subracks and plug-in units. This Part supplements IEC 60297-3-101 and may be used in conjunction with IEC 60297-3-102. The standard provides dimensional, arrangement and functional rules that prevent incorrect insertion, ensure mechanical alignment and allow retrofit/change of keys.

Key topics and technical requirements

Scope and purpose

Specifies only the additional interface dimensions for keying and alignment pins beyond those in IEC 60297-3-101.
Intended to prevent misarrangement of board-type and box-type plug-in units.

Interface and dimensional detail

Diagrams and figures give detailed dimensions in millimetres for subrack keying interfaces, plug-in unit keying chambers and key profiles.
References common pitch and offsets used in 19 in mechanical structures (e.g., 5.08 mm pitch lines and a 2.54 mm printed-board offset shown in the figures).

Key design and retention

Keys are specified for self-retaining snap-in assembly with defined geometry to allow four programmable positions per chamber.
Key retention features (spring load or similar) and tolerance zones are provided to ensure secure mounting and repeatability.

Programming of keys

Standard defines chamber identification (A–F), pin positions (1–4 and N = no key) and a programming scheme that intentionally blocks incorrect insertions when mismatched.
Guidance for location: recommended lower-side keying for 3U units; both upper and lower for 6U and 9U.

Alignment and electrical contact

Includes provisions for alignment and/or electrical contact receptacles in subrack guide rails and inspection dimensions to ensure reliable mating.

Applications and users

Subrack, chassis and plug-in unit manufacturers designing 19 in equipment

PCB and backplane designers who must align board reference planes and receptacles

System integrators, telecom and data-centre hardware engineers who require keyed configurations to prevent misinsertion

Test laboratories and compliance teams verifying mechanical interoperability Practical benefits: reduces insertion errors, protects sensitive modules, simplifies field retrofitting and enforces consistent mechanical interfaces across vendors.

Related standards

IEC 60297-3-101 (Subracks and associated plug-in units) - normative reference

IEC 60297-3-102 (Injector/extractor handle) - complementary

IEC 60917-1 (Modular order) - referenced for terminology

IEC 61587-1 and IEC TS 61587-3 - related test and shielding guidance for racks/subracks

Keywords: IEC 60297-3-103, keying and alignment pin, 19 in subrack, plug-in unit keying, alignment pin dimensions, subrack guide rail, keying chamber, programming of keys.

IEC 60297-3-103:2004 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

IEC 60297-3-101:2004

Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in)…

IEC 60297-3-102:2004

Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in)…

BS EN IEC 60917-1:2019

Modular order for the development of mechanical structures for electrical and electronic equipment practices…

IEC 61587-1:2022

Mechanical structures for electrical and electronic equipment - Tests for IEC 60917 and IEC 60297 series - Pa…