SIST EN 300 119-2 V2.1.1:2006

• Abstract:

  The present document details requirements for racks/cabinets which are supplied fully equipped. The racks/cabinets shall be used for housing telecommunication equipment forming part of a public telecommunication network installed either on the public telecommunication operators' sites, or in the premises of operators' customers. EN 300 119-1 [2] defines the meaning of rack or cabinet in the context of the present document.

• Status: Published
• Publication Date: 31-Jan-2006
• ICS: 19.040 - Environmental testing
• ICS: 33.050.01 - Telecommunication terminal equipment in general
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Feb-2006
• Due Date: 01-Feb-2006
• Completion Date: 01-Feb-2006
• Ref Project: ETSI EN 300 119-2 V2.1.1 (2004-09) - Environmental Engineering (EE); European telecommunication standard for equipment practice; Part 2: Engineering requirements for racks and cabinets

SIST EN 300 119-2 V2.1.1:2006 is the Slovenian adoption of ETSI EN 300 119-2 V2.1.1 for Environmental Engineering (EE) equipment practice. It specifies engineering requirements for fully equipped racks and cabinets that house telecommunication equipment in public telecommunication networks. The standard is written for operators, suppliers, installers, and designers who need agreed dimensions, load limits, cable access, and installation constraints.

What does SIST EN 300 119-2 V2.1.1:2006 specify?

SIST EN 300 119-2 V2.1.1:2006 covers racks and cabinets supplied fully equipped for telecommunication equipment on public network sites or in customers’ premises. EN 300 119-1 defines the meaning of rack and cabinet for this document, and the standard applies the definitions and framework of the multi-part EN 300 119 series.

The document is organized into clauses on scope, references, coordination dimensions, accessibility and line-up, external cable access, floor loading, structural load, packaged dimensions, and electromagnetic compatibility and electrostatic discharge requirements. Annex A contains illustrative figures, and Annex B gives a bibliography.

Annex	What it covers
Annex A	Illustrative figures showing example cabinet height combinations, floor arrangements, and front views
Annex B	Bibliography

What are the key requirements of SIST EN 300 119-2 V2.1.1:2006?

SIST EN 300 119-2 V2.1.1:2006 sets standard sizes and practical installation rules so racks and cabinets can be planned, aligned, cabled, moved, and loaded in a consistent way. The main requirements affect site layout, mechanical fit, floor capacity, and transport.

Coordination dimensions

Clause 3 fixes the basic coordination dimensions for height, width, and depth. Height includes integral covers, feet, or castors; telecommunication centres use 2 200 mm, while customer sites may use preferred heights from IEC 60917-2 up to 2 200 mm. Width is limited to 150 mm, 300 mm, 600 mm, or 900 mm, and depth to 300 mm or 600 mm.

In practice, this means purchasers and designers must select from defined sizes and check that the cabinet will fit the intended room layout, grid, and adjacent units.

Height adjustment and alignment

Clause 3.1 requires provision for height adaptors and for height adjustment of at least 25 mm to compensate for uneven floors. Clause 3.2 requires manufacturing tolerances that let adjacent racks and cabinets line up even when they come from different suppliers.

In practice, installers need enough adjustment to level the equipment and keep rows straight, especially in mixed-supplier sites.

Accessibility and cable access

Clause 4 allows different depths in one line-up only if the fronts are aligned. Racks and cabinets of 300 mm depth are for front access only, which supports back-to-back installation or wall placement. Clause 5 requires cable access at both the top and bottom of the rack/cabinet, with direct inter-rack cabling also allowed within rows.

In practice, the layout must preserve access for maintenance and give enough routing options for overhead or underfloor cabling.

Floor loading and structural load

Clause 6 defines how to assess floor loading from the actual rack/cabinet weight divided by its floor area, and it also counts cable support structure and cabling. For general applications, a fully equipped rack/cabinet should usually not exceed 15 kN/m², with a maximum of 20 kN/m²; cable support structure and cabling should usually not exceed 3 kN/m², with a maximum of 8 kN/m². The base point loading must not exceed 490 N/cm.

Clause 7 requires the rack/cabinet to support the static load of the superstructure and cabling, and to withstand an additional 800 N during installation for racks/cabinets of 600 mm × 600 mm or greater.

In practice, site planners must check both average floor loading and local point loading before installation.

Packaged size and electromagnetic compatibility

Clause 8 limits the packaged rack/cabinet dimensions to 2 500 mm × 1 200 mm × 900 mm so it can pass through normal lifts, hallways, and doors. Clause 9 requires new equipment designs to take account of Council Directive 89/336/EEC and relevant electromagnetic compatibility standards.

In practice, logistics and EMC planning are part of the cabinet design and procurement review, not only the final installation.

What terms does SIST EN 300 119-2 V2.1.1:2006 define?

• Rack/cabinet - EN 300 119-1 gives the terminology used in this part, so the same cabinet or rack concept is applied across the series.
• Height adaptors - Devices provided to interface the rack/cabinet with overhead structures when different heights must be combined.
• Point loading - The concentrated load from the base of the rack/cabinet onto the floor, used to check local floor stress.
• Static load - The load from the superstructure with cabling that the rack/cabinet must support in normal conditions.
• Dynamic load - The extra load the rack/cabinet must carry during installation.
• Electromagnetic compatibility (EMC) - The ability of the equipment design to account for electromagnetic effects under Directive 89/336/EEC.
• Electrostatic discharge (ESD) - A design concern named in the clause on EMC and ESD requirements.

Who uses SIST EN 300 119-2 V2.1.1:2006?

Telecommunications equipment suppliers use this standard when designing racks and cabinets for public network equipment. Operators and customer-site planners use it to define room layout, cabinet height, row alignment, and cable routing. Installers and facilities teams use it to check floor loading, packaging limits, access clearances, and the handling of mixed-depth line-ups.

What changed in SIST EN 300 119-2 V2.1.1:2006 from the previous edition?

The document history shows an earlier publication as ETS 300 119-2, followed by versions V2.1.0 and V2.1.1. The history records the publication sequence, but it does not state the technical changes in the text provided.

Which standards are used with SIST EN 300 119-2 V2.1.1:2006?

Reference	What it contributes
EN 300 119-1	Definitions and general introduction for the rack/cabinet terminology
EN 300 119-3	Engineering requirements for miscellaneous racks and cabinets
EN 300 119-4	Engineering requirements for subracks in miscellaneous racks and cabinets
EN 300 119-5	Thermal management for subracks, racks/cabinets, and miscellaneous racks/cabinets
IEC 60917-2	Interface-coordination dimensions for the 25 mm equipment practice
Council Directive 89/336/EEC	The EMC directive named for compliance awareness
ETSI EN 300 019	Bibliographic reference for environmental conditions and environmental tests

What does the SIST EN 300 119-2 V2.1.1:2006 document contain?

The document contains dimensional rules, loading limits, access requirements, and installation guidance for fully equipped racks and cabinets. Clause 6 includes the calculation approach for weight per unit area, which is used for floor checks and site planning. Annex A provides example figures for height combinations, floor arrangements, and front views. These contents support design review, procurement checks, installation planning, and transport assessment.

SLOVENSKI STANDARD
01-februar-2006
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Environmental Engineering (EE); European telecommunication standard for equipment
practice; Part 2: Engineering requirements for racks and cabinets
Ta slovenski standard je istoveten z: EN 300 119-2 Version 2.1.1
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
33.050.01 Telekomunikacijska Telecommunication terminal
terminalska oprema na equipment in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Environmental Engineering (EE);
European telecommunication standard
for equipment practice;
Part 2: Engineering requirements for racks and cabinets

2 ETSI EN 300 119-2 V2.1.1 (2004-09)

Reference
REN/EE-TMG004
Keywords
environment, equipment practice, rack
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ETSI
3 ETSI EN 300 119-2 V2.1.1 (2004-09)
Contents
Intellectual Property Rights.4
Foreword.4
1 Scope.5
2 References.5
3 Coordination dimensions for racks/cabinets .5
3.1 Height.5
3.2 Width.6
3.3 Depth.6
4 Accessibility and line-up of racks/cabinets .6
5 External cable access.6
6 Floor loading.7
6.1 Weight per unit area of fully equipped rack/cabinet .7
6.2 Weight per unit area of cable support structure and cabling .7
6.3 Point loading.7
7 Structural load on a rack/cabinet.7
7.1 Static load.7
7.2 Dynamic load.7
8 Dimensions of packaged rack/cabinet.7
9 Electromagnetic compatibility and electrostatic discharge requirements .8
Annex A (informative): Illustrative figures.9
Annex B (informative): Bibliography.11
History .12

ETSI
4 ETSI EN 300 119-2 V2.1.1 (2004-09)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Environmental
Engineering (EE).
The present document is part 2 of a multi-part deliverable, aimed at setting out on a common basis, the installation
engineering requirements for telecommunication practice, housing equipment forming part of a public telecommunications
network. EN 300 119-1 [2] is a general introduction, and explains the terminology used. The present document specifies
the engineering requirements for racks and cabinets and EN 300 119-3 [3] the engineering requirements for miscellaneous
racks and cabinets. EN 300 119-4 [4] covers engineering requirements for subracks in miscellaneous racks and cabinets.
EN 300 119-5 [5] covers the preferred thermal management solutions for subracks, racks/cabinets and miscellaneous
racks/cabinets installed indoors in restricted access locations, for the removal of heat dissipated by one or more
subracks in an rack complying to the requirements of this multi-part standard.
The present document applies to all telecommunication equipment forming part of public telecommunications network.
Illustrative figures are contained in annex A.
The present document is part 2 of a multi-part deliverable. Full details of the entire series can be found in part 1 [2].

National transposition dates
Date of adoption of this EN: 24 September 2004
Date of latest announcement of this EN (doa): 31 December 2004
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 June 2005
Date of withdrawal of any conflicting National Standard (dow): 30 June 2005

ETSI
5 ETSI EN 300 119-2 V2.1.1 (2004-09)
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