SIST EN 301 489-12 V1.2.1:2004
(Main)Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 12: Specific conditions for Very Small Aperture Terminal, Satellite Interactive Earth Stations operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS)
- Abstract
Revision to EN 301 489-XX( All parts), in order to remove editorial inconsistencies between specific parts of the multi-part EMC standard and between the specific parts and the general part 1
- Status
- Published
- Publication Date
- 31-Jan-2004
- Technical Committee
- RES - Radio equipment and systems
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Feb-2004
- Due Date
- 01-Feb-2004
- Completion Date
- 01-Feb-2004
SIST EN 301 489-12 V1.2.1:2004 is the Slovenian adoption of ETSI EN 301 489-12 V1.2.1, a candidate harmonized European EMC standard for satellite earth stations and related services. It specifies the test conditions, performance assessment and performance criteria for Earth Stations and associated ancillary equipment operating in the Fixed Satellite Service (FSS) in the 4 GHz to 30 GHz range. It is written for manufacturers, test laboratories and conformity assessors working with VSAT, SNG TES, SIT and SUT equipment.
What does SIST EN 301 489-12 V1.2.1:2004 specify?
SIST EN 301 489-12 V1.2.1:2004 defines the EMC testing approach for Earth Stations used in the FSS, together with their ancillary equipment. It is built to be used with EN 301 489-1, which provides the common EMC framework.
The document does not cover antenna-port technical specifications or emissions from the enclosure port of the Earth Stations. Those are handled in the relevant product standards for spectrum use.
The document is organized into clauses on scope, references, definitions, test conditions, performance assessment, performance criteria and an applicability overview. Annex A defines the Earth Station types in scope, while Annex B and Annex C provide bibliography and official-language titles.
| Annex | What it covers |
|---|---|
| Annex A | Definitions of the Satellite Earth Stations within scope, including VSAT, SNG TES, SIT and SUT cases |
| Annex B | Informative bibliography |
| Annex C | EN title in the official languages |
What are the key requirements of SIST EN 301 489-12 V1.2.1:2004?
The standard follows the common technical requirements of EN 301 489-1, but where this part differs, its own provisions take precedence. In practice, users should apply the general EMC framework and then add the Earth Station-specific conditions in this part.
Representative test configurations are required. Clause 4 says the assessment must include enough configurations to exercise the equipment, and the chosen configurations must be recorded in the test report. This matters because satellite terminals can behave differently depending on antenna, indoor unit and terrestrial ports.
The manufacturer must provide test support for realistic operation. Clause 4.2 requires special test equipment to place the Earth Station in normal operating mode, emulate reception, and control transmit states. A QTMA is also required for measuring transmission quality, and it must be kept outside the test environment. This matters because EMC tests have to reflect real service conditions, not just bench operation.
Transmit state control is central to the test method. The equipment must be controllable between transmission disabled, carrier-on and carrier-off states. For receiver testing, the wanted signal level should be as close as possible to normal operating level. This makes the immunity test relevant to actual service behavior.
No exclusion bands and no narrow-band receiver responses are allowed. Clause 4.3 states there are no exclusion bands, and clause 4.4 forbids narrow band responses. In practice, that means the EMC tests apply without special frequency exemptions.
The manufacturer must declare operating data and service grade. Clause 5 requires the declared grade A or B, operational parameter ranges, and the minimum quality of transmission plus the method used to assess it. This information must match the equipment documentation and be recorded in the test report.
Grade A and grade B define how much service interruption is acceptable. Clause 5.3 separates equipment that can accept short interruptions during transient immunity testing from equipment that cannot. That classification affects the pass/fail judgment in immunity testing.
Performance criteria depend on the type of disturbance. Clauses 6.1 to 6.3 define criteria for continuous phenomena and for transient phenomena on grade A and grade B equipment. The test focus is on maintaining the declared transmission quality, keeping control of the transmitter state, and preserving user control functions, stored data and the communications link.
Emission and immunity special conditions are given in tables. Clauses 7.1 and 7.2 point to special product-related conditions, including enclosure emission testing and the immunity criteria for electrostatic discharge, fast transient, voltage dips and interruptions, and surges. For users, this is the part that turns the general EMC framework into a satellite-earth-station-specific test plan.
What terms does SIST EN 301 489-12 V1.2.1:2004 define?
- Earth Station (ES) - The radio equipment covered by this part, together with its related operational setup.
- Equipment Under Test (EUT) - The equipment configuration being subjected to EMC testing.
- Centralized Control and Monitoring Functions (CCMF) - The function that monitors and controls transmit operation in some unattended satellite systems.
- Network Control Facility (NCF) - The network-side control function used in unattended operation for some terminals.
- Quality of Transmission Measurement Apparatus (QTMA) - The measurement arrangement used to assess transmission quality during testing.
- Equivalent Isotropically Radiated Power (EIRP) - A transmitted power-related parameter used to set the operating condition for radiation measurements.
- Carrier-on state - The transmit state in which the Earth Station is authorized to transmit and is actually transmitting.
- Transmission disabled state - The state in which the transmit Earth Station is not authorized to transmit.
Who uses SIST EN 301 489-12 V1.2.1:2004?
SIST EN 301 489-12 V1.2.1:2004 is used by manufacturers of satellite earth stations, EMC test laboratories, and conformity assessors. It is also relevant to quality managers and buyers who need to check that a product is tested for the right service type and operating mode.
The main application areas are VSAT systems, Satellite News Gathering transportable earth stations, Satellite Interactive Terminals and Satellite User Terminals. In practice, users apply it when setting up EMC tests, defining test configurations, declaring grade A or B, and documenting the quality-of-transmission criterion for the equipment.
What changed in SIST EN 301 489-12 V1.2.1:2004 from the previous edition?
This version revises the earlier V1.1.1 publication. The scope states that the revision was made to remove editorial inconsistencies between the specific parts of the multi-part EMC standard and between the specific parts and EN 301 489-1.
Which standards are used with SIST EN 301 489-12 V1.2.1:2004?
- ETSI EN 301 489-1 - Provides the common technical requirements, general test framework and the baseline emission and immunity structure used with this part.
What does the SIST EN 301 489-12 V1.2.1:2004 document contain?
The document contains a scope statement, references, definitions, test conditions, performance assessment rules, performance criteria and an applicability overview. It also includes a suggested test configuration figure, two special-condition tables for emission and immunity, and Annex A with the detailed Earth Station categories covered by the part.
For testing work, the most practical content is the way it ties operating states, declared transmission quality and immunity criteria together. For compliance work, the key output is the test report information the manufacturer must declare and record.
Relations
- Effective Date
- 01-Dec-2009
Get Certified
Connect with accredited certification bodies for this standard
ANCE
Mexican certification and testing association.
Intertek Slovenia
Intertek testing, inspection, and certification services in Slovenia.
LNE (Laboratoire National de Métrologie et d'Essais)
French national laboratory for metrology and testing.
Sponsored listings
Frequently Asked Questions
SIST EN 301 489-12 V1.2.1:2004 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 12: Specific conditions for Very Small Aperture Terminal, Satellite Interactive Earth Stations operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS)". This standard covers: Revision to EN 301 489-XX( All parts), in order to remove editorial inconsistencies between specific parts of the multi-part EMC standard and between the specific parts and the general part 1
Revision to EN 301 489-XX( All parts), in order to remove editorial inconsistencies between specific parts of the multi-part EMC standard and between the specific parts and the general part 1
SIST EN 301 489-12 V1.2.1:2004 is classified under the following ICS (International Classification for Standards) categories: 33.060.30 - Radio relay and fixed satellite communications systems; 33.100.01 - Electromagnetic compatibility in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 489-12 V1.2.1:2004 has the following relationships with other standards: It is inter standard links to SIST EN 301 489-12:2001. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 301 489-12 V1.2.1:2004 is associated with the following European legislation: EU Directives/Regulations: 1999/5/EC; Standardization Mandates: M/284, T-353. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 301 489-12 V1.2.1:2004 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 12: Specific conditions for Very Small Aperture Terminal, Satellite Interactive Earth Stations operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS)33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systemsICS:Ta slovenski standard je istoveten z:EN 301 489-12 Version 1.2.1SIST EN 301 489-12 V1.2.1:2004en01-februar-2004SIST EN 301 489-12 V1.2.1:2004SLOVENSKI
STANDARD
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 2
Reference REN/ERM-EMC-230-12 Keywords earth station, EMC, FSS, radio, regulation, satellite, SNG, testing, VSAT ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00
Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88
Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: editor@etsi.org Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2003. All rights reserved.
DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. SIST EN 301 489-12 V1.2.1:2004
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 3
Contents Intellectual Property Rights.5 Foreword.5 1 Scope.6 2 References.6 3 Definitions and abbreviations.7 3.1 Definitions.7 3.2 Abbreviations.7 4 Test conditions.7 4.1 General.7 4.2 Arrangements for test signals.8 4.2.1 Arrangements for test signals at the input of transmitters.8 4.2.2 Arrangements for test signals at the output of transmitters.8 4.2.3 Arrangements for test signals at the input of receivers.8 4.2.4 Arrangements for test signals at the output of receivers.8 4.2.5 Arrangements for testing transmitter and receiver together (as a system).8 4.3 Exclusion bands.8 4.4 Narrow band responses of receivers.8 5 Performance assessment.9 5.1 General.9 5.2 Equipment configuration(s).9 5.3 Equipment classification.10 6 Performance criteria.10 6.1 Performance criteria (C) for Continuous phenomena applied to the EUT.10 6.2 Performance criteria (TA) for Transient phenomena applied to a grade A EUT.11 6.3 Performance criteria (TB) for Transient phenomena applied to a grade B EUT.11 7 Applicability overview.12 7.1 Emission.12 7.1.1 General.12 7.1.2 Special conditions.12 7.2 Immunity.12 7.2.1 General.12 7.2.2 Special conditions.12 Annex A (normative): Definitions of Satellite Earth Stations (ES) within the scope of the present document.14 A.1 Transmit only and Transmit and receive Ku band VSATs.14 A.2 Receive-only Ku band VSATs.14 A.3 Transmit only and Transmit and receive C band VSATs.15 A.4 Receive-only C band VSATs.15 A.5 Satellite News Gathering (SNG) Ku band Transportable Earth Stations (TESs).16 A.6 Satellite Interactive Terminals (SITs).17 A.7 Satellite User Terminals (SUTs) transmitting in the frequency range 29,5 GHz to 30,0 GHz.17 A.8 Satellite User Terminals (SUTs) transmitting in the frequency range 27,5 GHz to 29,5 GHz.18 Annex B (informative): Bibliography.19 Annex C (informative): The EN title in the official languages.20 SIST EN 301 489-12 V1.2.1:2004
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 4
History.21
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 5
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). All published ETSI deliverables shall include information which directs the reader to the above source of information. Foreword This Candidate Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Council Directive 98/34/EC [4] (as amended) laying down a procedure for the provision of information in the field of technical standards and regulations. The present document, together with EN 301 489-1 [1], is intended to become a Harmonized Standard, the reference of which will be published in the Official Journal of the European Communities referencing the Council Directive on the approximation of the laws of the Member States relating to electromagnetic compatibility ("the EMC Directive") (89/336/EEC [3] as amended) and Directive 1999/5/EC [2] of the European Parliament and of the Council of
9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity ("the R&TTE Directive"). The present document is part 12 of a multi-part deliverable. Full details of the entire series can be found in part 1 [1].
National transposition dates Date of adoption of this EN: 25 April 2003 Date of latest announcement of this EN (doa): 31 July 2003 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
31 January 2004 Date of withdrawal of any conflicting National Standard (dow): 31 July 2006
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 6
1 Scope The present document, together with EN 301 489-1 [1], covers the assessment of Earth Stations (ES) operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS) and associated ancillary equipment in respect of Electromagnetic Compatibility (EMC). Technical specifications related to the antenna port and emissions from the enclosure port of the Earth Stations (ES) are not included in the present document. Such technical specifications are found in the relevant product standards for the effective use of the radio spectrum. The present document specifies the applicable test conditions, performance assessment and the performance criteria for the ESs, and associated ancillary equipment. Definitions of the type of Earth Stations (ES) operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS) covered by the present document are given in annex A. In case of differences (for instance concerning special conditions, definitions, abbreviations) between the present document and EN 301 489-1 [1], the provisions of the present document take precedence. The environmental classification and the emission and immunity requirements used in the present document are as stated in EN 301 489-1 [1], except for any special conditions included in the present document. The applicable environments referred to in EN 301 489-1 [1] where equipment covered by the scope of the present document may be used, shall be declared by the manufacturer. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication and/or edition number or version number) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. Referenced documents which are not found to be publicly available in the expected location might be found at http://docbox.etsi.org/Reference. [1] ETSI EN 301 489-1: "Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services;
Part 1: Common technical requirements". [2] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R&TTE Directive). [3] Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility (EMC Directive). [4] Directive 98/34/EC of the European Parliament and of the Council of 22 June 1998 laying down a procedure for the provision of information in the field of technical standards and regulations. SIST EN 301 489-12 V1.2.1:2004
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 7
3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in EN 301 489-1 [1] and the following apply: carrier-on state: transmit ES is in this state when it is authorized to transmit, and when it transmits a signal, either authorized by a Centralized Control and Monitoring Function (CCMF) or a Network Control Facility (NCF) when designed for unattended operation or by local control when designed for attended operation carrier-off state: transmit ES is in this state when it is authorized to transmit, and when it does not transmit any signal, either authorized by a CCMF or a NCF when designed for unattended operation or by local control when designed for attended operation NOTE: The existence of a carrier-off state depends on the system of transmission used. For ES designed for continuous transmission mode there may be no carrier-off state. transmission disabled state: transmit ES is in this state when it is not authorized to transmit either by a CCMF or a NCF respectively when designed for unattended operation or by local control when designed for attended operation 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: CCMF Centralized Control and Monitoring Functions CMF Control and Monitoring Functions EIRP Equivalent Isotropically Radiated Power EMC ElectroMagnetic Compatibility ES Earth Station EUT Equipment Under Test FSS Fixed Satellite Service LNB Low Noise Block converter NCF Network Control Facility QTMA Quality of Transmission Measurement Apparatus RF Radio Frequency SIT Satellite Interactive Terminals
SNG Satellite News Gathering SUT Satellite User Terminals
TES Transportable Earth Station VSAT Very Small Aperture Terminal 4 Test conditions For the purposes of the present document, the test conditions of EN 301 489-1 [1], clause 4 shall apply as appropriate. Further product type related test conditions for Earth Stations are specified in the present document. 4.1 General For Earth Stations with or without ancillary equipment, and/or various terrestrial ports, the number of test configurations shall be determined. The assessment shall include sufficient representative configurations of the ES to adequately exercise the equipment. These configurations shall be recorded in the test report. In the following clauses, the Equipment Under Test (EUT) is an ES with the selected configuration of ancillary equipment. SIST EN 301 489-12 V1.2.1:2004
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 8
4.2 Arrangements for test signals The provisions of EN 301 489-1 [1], clause 4.2 shall apply with the following modifications. In order to measure the unwanted emissions and electromagnetic immunity under operational conditions, the following arrangements shall be provided by the manufacturer: a) a special test equipment to put the ES terminal in its normal operating mode, and providing the ES with a receive signal to emulate the operational conditions of reception. This equipment shall control the EUT, when it is capable of transmission, so that it switches between the transmission disabled, carrier-on and carrier-off states; b) the specific Quality of Transmission Measurement Apparatus (QTMA). For the measurement of the quality of transmission a communications link shall be established and the wanted input signal shall be applied to the Radio Frequency (RF) input of the receiver via the antenna. The special test equipment, the QTMA and the source of the wanted input signal shall be located outside the test environment. Adequate measures shall be taken to protect them from the effects of all the radiated fields within the test environment. 4.2.1 Arrangements for test signals at the input of transmitters The provisions of EN 301 489-1 [1], clause 4.2.1 shall apply. 4.2.2 Arrangements for test signals at the output of transmitters The provisions of EN 301 489-1 [1], clause 4.2.2 shall apply. 4.2.3 Arrangements for test signals at the input of receivers The provisions of EN 301 489-1 [1], clause 4.2.3 shall apply with the following modification. For tests on the receiver, the level of the signal received from the test transmitter shall be as close as possible to the normal operation level of the EUT receiver. 4.2.4 Arrangements for test signals at the output of receivers The provisions of EN 301 489-1 [1], clause 4.2.4 shall apply. 4.2.5 Arrangements for testing transmitter and receiver together (as a system) The provisions of EN 301 489-1 [1], clause 4.2.5 shall apply. 4.3 Exclusion bands There are no exclusion bands for ESs within in the scope of the present document. 4.4 Narrow band responses of receivers Narrow band responses are not allowed for ESs within in the scope of the present document.
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 9
5 Performance assessment 5.1 General The provision of EN 301 489-1 [1], clause 5.1 shall apply. In addition the manufacturer shall provide the following information to be recorded in the test report: - the dedicated grade (A or B) for the ES in accordance with the information contained in the instructions accompanying the ES (see clause 5.3); - the ranges of the operational parameters, e.g. the power delivered to the antenna, the frequency ranges; - the minimum quality of transmission, and the method to be used to assess it. This information shall be in accordance with the documentation accompanying the equipment. 5.2 Equipment configuration(s) For radiation measurements in carrier-on state, the ES shall be put in a continuous transmit mode or to the maximum burst rate where applicable. The ES shall be operated at the highest normal operating Equivalent Isotropically Radiated Power (EIRP) or, if that is the maximum attainable, then 3 dB below such maximum. A suggested test configuration is shown in figure 1.
Figure 1: Suggested test configuration For the tests, the ES antenna reflector and the test antenna may be removed at their flanges and be replaced by one direct wave guide connection. SIST EN 301 489-12 V1.2.1:2004
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 10 The following test equipment shall be the means whereby the correct operation of the EUT is verified: a) the power meter measures the output power and is used to confirm the transmission disabled, carrier-on and carrier-off states and output level consistency; b) the frequency counter measures the centre frequency of the radiated carrier in the absence of modulation; c) the spectrum analyser measures the bandwidth of the transmission; d) the test receiver is used to demodulate the transmitted signal; e) the two QTMA are used in conjunction with each other to assess the quality of transmission; f) the test transmitter is used to control the switching between transmission disabled, carrier-on and carrier-off states by transmitting the control and monitoring signals. 5.3 Equipment classification The provisions of EN 301 489-1 [1], clause 5.5 set out for base stations shall apply with the following addition. The equipment are classified into the two grades of service: - grade A of ES for which short interruptions of transmission are accepted during immunity testing with EMC transient phenomena; - grade B of ES for which no short interruption of transmission is accepted during immunity testing with EMC transient phenomena. The applicable grade A or B shall be declared by the manufacturer, it shall be in accordance with the information contained in the instructions accompanying the ES, and shall be recorded in the test report. 6 Performance criteria The definition of the functions of the EUT, including its ancillary equipment, to be checked during and after the EMC tests shall be declared by the manufacturer and recorded in the test report. The equipment shall meet the minimum performance criteria as specified in clauses 6.1, 6.2 and 6.3 and additionally the functions as declared by the manufacturer. 6.1 Performance criteria (C) for Continuous phenomena applied to the EUT The provisions of EN 301 489-1 [1], clause 6.1 shall apply with the following modification. The EUT shall be considered to satisfy the immunity if the following conditions are met during and after the exposure: a) the quality of transmission observed is no worse than that declared by the manufacturer (clause 5.1); b) the EUT is able to be placed in the transmission disabled state, and does not leave that state without being commanded; c) when the EUT is in the transmission disabled state there is no change in the signal level; d) when the EUT is in the carrier-on state there is no change in the signal level or frequency; e) when the EUT is in the carrier-off state there is no increase of the signal level; f) for ESs capable of transmitting, under no circumstances does the transmitter operate unintentionally during the test; g) the EUT operates as intended with no loss of user control functions, stored data and the communications link. SIST EN 301 489-12 V1.2.1:2004
ETSI ETSI EN 301 489-12 V1.2.1 (2003-05) 11 6.2 Performance criteria (TA) for Transient phenomena applied to a grade A EUT The provisions of EN 301 489-1 [1], clause 6.2 shall apply with the following modification. The EUT shall be considered to satisfy the immunity specifications if the following conditions are met:
- during and after the series of individual exposures: a) the EUT is able to be placed in the transmission disabled state, and does not leave that state without being commanded; b) when the EUT is in the transmission disabled state there is no change in the signal level; c) when the EUT is in the carrier-on state there is no change in the signal frequency or increase of the signal level; d) when the EUT is in the carrier-off state there is no increase of the signal level; e) for ESs capable of transmitting, under no circumstances does the transmitter operate unintentionally during the test; - at the conclusion of each exposure the quality of transmission observed shall be no worse than that declared by the manufacturer (clause 5.1); - at the conclusion of the total test comprising the series of individual exposures the EUT shall operate as intended with no loss of user control functions or stored data and the communications link shall remain maintained.
6.3 Performance criteria (TB) for Transient phenomena applied to a grade B EUT The provisions of EN 301 489-1 [1], clause 6.2 shall apply with the following modification. The EUT shall be considered to satisfy the immunity specifications if the following conditions are met during and after the series of individual exposures: a) the quality of transmission observed is no worse than that declared by the manufacturer (clause 5.1); b) under the test conditions the EUT is able to be placed i
...