Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) standard for On-Site Paging equipment

DE/RES-09006

Radijska oprema in sistemi (RES) - Standard elektromagnetne združljivosti (EMC) opreme internega osebnega klica

General Information

Status
Published
Publication Date
26-Feb-1999
Technical Committee
Current Stage
12 - Completion
Due Date
27-Jun-1997
Completion Date
25-Jun-1997
Mandate

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ETS 300 682:1998
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SLOVENSKI STANDARD
SIST ETS 300 682:1998
01-oktober-1998
Radijska oprema in sistemi (RES) - Standard elektromagnetne združljivosti (EMC)
opreme internega osebnega klica
Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) standard for
On-Site Paging equipment
Ta slovenski standard je istoveten z: ETS 300 682 Edition 1
ICS:
33.050.20 Oprema za osebni klic Paging equipment
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
SIST ETS 300 682:1998 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 682:1998

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SIST ETS 300 682:1998
EUROPEAN ETS 300 682
TELECOMMUNICATION June 1997
STANDARD
Source: ETSI TC-RES Reference: DE/RES-09006
ICS: 33.020
Key words: EMC, paging, radio, testing
Radio Equipment and Systems (RES);
ElectroMagnetic Compatibility (EMC) standard for
On-Site Paging equipment
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
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 1997. All rights reserved.

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ETS 300 682: June 1997
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Definitions, abbreviations and symbols.8
3.1 Definitions .8
3.2 Abbreviations .9
3.3 Symbols .9
4 Test conditions .9
4.1 General .9
4.2 Normal test modulation.10
4.3 Arrangements for test signals at the input of the base transmitter .10
4.4 Arrangements for test signals at the output of the base transmitter.10
4.5 Arrangements for test signals at the input of the pocket receiver.11
4.6 Arrangements for test signals at the output of the pocket receiver .11
4.7 Arrangements for test signals at the output of the pocket transmitter .11
4.8 Arrangements for test signals at the input of the base receiver .11
4.9 Arrangements for test signals at the output of the base receiver .12
4.10 Exclusion bands.12
4.10.1 Exclusion bands for receivers .12
4.10.2 Exclusion band for transmitters.12
4.11 Narrowband responses on receivers .12
5 Performance assessment .13
5.1 General .13
5.2 Standard paging equipment.13
5.3 Special equipment and stand alone tested ancillary equipment.13
5.4 Equipment classification .13
5.5 Ancillary equipment.13
6 Performance criteria.14
6.1 Performance criteria for Continuous phenomena applied to Transmitters (CT).14
6.2 Performance criteria for Transient phenomena applied to Transmitters (TT) .15
6.3 Performance criteria for Continuous phenomena applied to Receivers (CR).15
6.4 Performance criteria for Transient phenomena applied to Receivers (TR) .15
7 Applicability overview tables.16
7.1 Emission .16
7.2 Immunity .16
8 Test methods for emission tests for transmitters and/or receivers and/or ancillaries.16
8.1 Test configuration .16
8.2 Enclosure.17
8.2.1 Definition .17
8.2.2 Test method .17
8.2.3 Limits.17
8.3 DC power input/output ports .17
8.3.1 Definition .18
8.3.2 Test method .18
8.3.3 Limits.18
8.4 AC mains power in/out.18
8.4.1 Definition .18
8.4.2 Test method .18

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8.4.3 Limits . 18
9 Test methods for immunity tests for transmitters and/or receivers and/or ancillaries . 19
9.1 Test configuration. 19
9.2 Radio frequency electromagnetic field (80 - 1 000 MHz) . 19
9.2.1 Definition. 19
9.2.2 Test method. 19
9.2.3 Performance criteria . 20
9.3 Electrostatic discharge .20
9.3.1 Definition. 20
9.3.2 Test method. 20
9.3.3 Performance criteria . 20
9.4 Fast transients common mode. 21
9.4.1 Definition. 21
9.4.2 Test method. 21
9.4.3 Performance criteria . 21
9.5 Radio frequency common mode (current clamp injection). 21
9.5.1 Definition. 22
9.5.2 Test method. 22
9.5.3 Performance criteria . 22
9.6 Voltage dips and interruptions. 22
9.6.1 Definition. 22
9.6.2 Test method. 23
9.6.3 Performance criteria . 23
9.7 Surges common and differential mode . 23
9.7.1 Definition. 24
9.7.2 Test method. 24
9.7.3 Performance criteria . 24
Annex A (normative): Subclauses of this ETS relevant for compliance with the essential
requirements of EC Council Directives. 25
History. 26

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ETS 300 682: June 1997
Foreword
This European Telecommunication Standard (ETS) has been produced by the European
Telecommunications Standards Institute (ETSI) in response to a mandate from the European Commission
issued under Council Directive 83/189/EEC (as amended) laying down a procedure for the provision of
information in the field of technical standards and regulations.
This ETS 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
as amended).
Technical specifications relevant to the EMC Directive are given in annex A.
Other ETSs cover radio communication equipment not listed in the scope.
This ETS is based on EN 50081-1 [2] and EN 50082-1 [3] and other standards where appropriate.
Transposition dates
Date of adoption: 6 June 1997
Date of latest announcement of this ETS (doa): 30 September 1997
Date of latest publication of new National Standard 31 March 1998
or endorsement of this ETS (dop/e):
Date of withdrawal of any conflicting National Standard (dow): 31 March 1998

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1 Scope
This European Telecommunication Standard (ETS) covers the assessment of on-site paging equipment
and ancillary equipment, used in privately owned and operated paging systems, in respect of
ElectroMagnetic Compatibility (EMC). Technical specifications related to the antenna port and emissions
from the enclosure port of the radio equipment are not included in this ETS. Such technical specifications
are found in the radio product standard ETS 300 224 [1].
This ETS specifies the applicable EMC tests, the method of measurements, the limits and the minimum
performance criteria for on-site paging equipment, as specified in ETS 300 224 [1], operating on
frequencies between 9 kHz and 470 MHz and the associated ancillary equipment.
The environment classification used in this ETS refers to the environment classification used in the
Generic Standards EN 50081-1 [2], EN 50082-1 [3].
The EMC requirements have been selected to ensure an adequate level of compatibility for apparatus at
residential, commercial and light industrial environments. The levels however, do not cover extreme cases
which may occur in any location but with low probability of occurrence.
This ETS may not cover those cases where a potential source of interference which is producing
individually repeated transient phenomena or a continuous phenomena is permanently present, e.g. a
radar or broadcast site in the near vicinity. In such a case it may be necessary to use special protection
applied to either the source of interference or the interfered part or both.
Compliance of radio equipment to the requirements of this ETS does not signify compliance to any
requirements related to spectrum management or any requirement related to the use of the equipment
(licensing requirements).
Compliance to this ETS does not signify compliance to any safety requirements. However, it is the
responsibility of the assessor of the equipment that any observation regarding the equipment becoming
dangerous or unsafe as a result of the application of the tests of this ETS should be recorded in the test
report.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest
edition of the publication referred to applies.
[1] ETS 300 224: "Radio Equipment and Systems (RES); On-site paging service
Technical and functional characteristics for on-site paging systems, including
test methods".
[2] EN 50081-1: "Electromagnetic compatibility - Generic emission standard. Part 1:
Residential, commercial and light industry".
[3] EN 50082-1: "Electromagnetic compatibility - Generic immunity standard. Part 1:
Residential, commercial and light industry".
[4] 89/336/EEC: "Council Directive on the approximation of the laws of the Member
States relating to electromagnetic compatibility".
[5] EN 55022 (1994): "Limits and methods of measurement of radio disturbance
characteristics of information technology equipment".
[6] CISPR 16-1 (1993): "Specification for radio disturbance and immunity
measuring apparatus and methods - Part 1: Radio disturbance and immunity
measuring apparatus".

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[7] EN 61000-4-3: "Electromagnetic Compatibility (EMC) - Part 4: Testing and
measurements techniques - Section 3: Radiated, radio-frequency,
electromagnetic field immunity test".
[8] EN 61000-4-2 (1995): "Electromagnetic Compatibility (EMC) - Part 4: Testing
and measurements techniques - Section 2: Electrostatic discharge immunity
test. Basic EMC publication".
[9] EN 61000-4-4 (1995): "Electromagnetic Compatibility (EMC); Part 4: Testing
and measurements techniques - Section 4: Electrical fast transient/burst
immunity test. Basic EMC publication".
[10] EN 61000-4-6 (1996): "Electromagnetic Compatibility (EMC) - Part 4: Testing
and measurements techniques - Section 6: Immunity to conducted disturbances
induced by radio-frequency fields".
[11] EN 61000-4-11 (1994): "Electromagnetic Compatibility (EMC); Part 4: Testing
and measurements techniques - Section 11: Voltage dips, short interruptions
and voltage variations immunity tests".
[12] EN 61000-4-5: "Electromagnetic Compatibility (EMC) - Part 4: Testing and
measurements techniques - Section 5: Surge immunity test".
3 Definitions, abbreviations and symbols
3.1 Definitions
For the purposes of this ETS, the following definitions apply:
alignment range: The frequency range over which the receiver or transmitter can be programmed and/or
re-aligned to operate without any physical change of components other than programmable read only
memories or crystals.
ancillary equipment: Equipment (apparatus), used in connection with a receiver, transmitter or
transceiver is considered as an ancillary equipment (apparatus):
- if the equipment is intended for use in conjunction with a receiver, transmitter or transceiver to
provide additional operational and/or control features to the radio equipment, (e.g. to extend control
to another position or location); and
- if the equipment can not be used on a stand alone basis to provide user functions independently of
a receiver, transmitter or transceiver; and
- if the receiver, transmitter or transceiver to which it is connected is capable of providing some
intended operation such as transmitting and/or receiving without the ancillary equipment (i.e. it is
not a sub-unit of the main equipment essential to the main equipment basic functions).
Examples of ancillary equipment to pocket paging receivers (transceivers) are single or multiple storage
racks with or without absence/presence signalling.
calling function: Transmitting of a message via the base transmitter to the pocket receiver in order to
alert and/or inform the carrier of the pocket receiver.
enclosure port: The physical boundary of the apparatus through which electromagnetic fields may
radiate or impinge.
manufacturer: The legal entity under the terms of Council Directive 89/336/EEC [4] for placing the
product on the market.

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on-site paging equipment: A pocket receiver, a pocket transmitter, a pocket transceiver, a base
transmitter or a base receiver, as defined in ETS 300 224 [1], used in a privately owned and operated
paging system in a restricted and predefined area. The radio type of equipment operates in the frequency
range 25 MHz to 470 MHz, and the loop type of equipment operates in the frequency range 16 kHz to
146 kHz.
pocket receiver: A stand alone pocket paging receiver or a receiver being part of a pocket paging
transceiver.
pocket transmitter: A stand alone pocket paging transmitter using the return channel, or a transmitter
being part of a pocket paging transceiver.
port: A particular interface, of the specified equipment (apparatus), with the electromagnetic environment
(see figure 1).
Enclosure port
AC power port Earth port
APPARATUS
DC power port Signal/control port
Figure 1: Examples of ports
talk-back function: Transmitting of a message from the pocket transmitter (normally combined in a
transceiver) which is sent to a central receiver and further processed by the central processing unit.
3.2 Abbreviations
For the purposes of this ETS, the following abbreviations apply:
CR Continuous phenomena applied to Receivers
CT Continuous phenomena applied to Transmitters
EMC ElectroMagnetic Compatibility
EUT Equipment Under Test
LISN Line Impedance Stabilizing Network
RF Radio Frequency
TR Transient phenomena applied to Receivers
TT Transient phenomena applied to Transmitters
3.3 Symbols
For the purposes of this ETS, the following symbols apply:
AC Alternating Current
DC Direct Current
4 Test conditions
4.1 General
The equipment shall be tested under conditions contained in the relevant product and basic standards or
in the information accompanying the equipment, which are within the manufacturers declared range of
humidity, temperature and supply voltage. The test conditions shall be recorded in the test report.
The test configuration shall be as close to normal intended use as possible and shall be recorded in the
test report.

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For immunity tests the test modulation, test arrangements etc., as specified in this ETS, subclauses 4.2 to
4.11 shall apply and the conditions shall be as follows:
- the base transmitter shall operate in the standby mode, except for the spot frequency test of the
radio frequency electromagnetic field immunity test (subclause 9.2) where the transmitter shall be
operated at its maximum rated output power, modulated with normal test modulation
(subclause 4.2);
- the standby mode of the base transmitter is the mode of operation in which the transmitter is ready
to transmit, waiting for a start control signal to actual start transmitting;
- for pocket receivers, the message memory of the receiver memory shall be loaded with
recognisable messages. The receiver shall operate in the standby mode, except for the spot
frequency test of the radio frequency electromagnetic field immunity test (subclause 9.2) where
repetitive calls shall be coupled to the input of the receiver;
- the standby mode of the pocket receiver is the mode of operation in which the receiver is capable of
receiving calls;
- for pocket transmitters, the transmitter shall operate unmodulated (if possible) at its maximum rated
output power. If unmodulated operation is not possible, the manufacturer shall specify the method
of performance assessment and the acceptable degradation of performance;
- the standby mode of the pocket transmitter is the mode of operation in which the transmitter is
ready to transmit waiting for a command from the press to transmit button;
- for the base receivers, the wanted Radio Frequency (RF) input signal shall be unmodulated.
The standby mode of the base receiver is the mode of operation in which the receiver is capable to
receive.
4.2 Normal test modulation
The test modulation signal, to be used for the calling function, is a signal representing selective messages
generated by a signal generator or encoded within the equipment. The signal generator used should be a
test signal generator supplied by the manufacturer and capable of generating repetitive calls. For
transmitters not having a modulation input port the internal equipment modulation shall be used, and a
repetitive call possibility shall be available.
The talk-back facility shall be tested with an unmodulated carrier, if possible.
4.3 Arrangements for test signals at the input of the base transmitter
The signal generator to be used for the normal test modulation (subclause 4.2) shall be located outside
the test environment and connected to the modulation input port of the transmitter. Adequate measures
shall be taken to protect the measuring equipment from the effect of all the radiated fields within the test
environment.
4.4 Arrangements for test signals at the output of the base transmitter
Where the transmitter incorporates an RF antenna connector, the output signal shall be delivered from
that connector by a shielded transmission line, such as a coaxial cable, to the receiving/measuring
equipment outside of the test environment.
Adequate measures shall be taken to avoid the effect of unwanted signals on the measuring equipment.
Where the transmitter does not incorporate an RF connector, the output signal shall be delivered from the
transmitter to an antenna located within the test environment. This antenna shall be connected by a
shielded transmission line, such as a coaxial cable, to the measuring equipment located outside of the test
environment.

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For the spot frequency test of the radio frequency electromagnetic field immunity test (subclause 9.2) the
measuring equipment should be a paging receiver and repetitive calls shall be transmitted and coupled to
the input of the paging receiver located outside the test environment.
4.5 Arrangements for test signals at the input of the pocket receiver
The manufacturer shall at the time of submitting the equipment for testing, supply, if necessary, a test
fixture and a message generator to generate the wanted input signal.
The source of the wanted input signal, modulated with normal test modulation (subclause 4.2), shall be
located outside the test environment and the signal level used shall be chosen to a value significantly
above the threshold sensitivity but below the overload characteristics of the receiver (the suggested value
is 60 dB above the threshold sensitivity, if possible). Adequate measures shall be taken to protect the
measuring equipment from the effect of all the radiated fields within the test environment.
Where the receiver incorporates an RF antenna connector, the RF signal source shall be coupled to the
input of the receiver via a shielded transmission line such as a coaxial cable.
Where the receiver does not incorporate an RF connector, the RF signal source shall be presented to the
receiver from another antenna located within the test environment. This antenna shall be coupled to the
RF signal source via an adjustable attenuator.
4.6 Arrangements for test signals at the output of the pocket receiver
From the performance check before and after the test it shall be possible to assess the performance of
the pocket receiver from the presented messages and/or the call received alert signal(s) of the receiver.
During the spot frequency test of the radio frequency electromagnetic field immunity test (subclause 9.2)
the call received alert signal output of the receiver shall be coupled to the outside of the test environment
and it shall be possible to assess the performance of the equipment from the call received alert signal(s)
of the receiver.
4.7 Arrangements for test signals at the output of the pocket transmitter
The measuring equipment used to monitor the output signal of the transmitter shall be located outside the
test environment. Adequate measures shall be taken to protect the measuring equipment from the effect
of all the radiated fields within the test environment.
Where the transmitter incorporates an RF antenna connector, the output signal of the transmitter shall be
coupled to the measuring equipment via a shielded transmission line such as a coaxial cable.
Where the transmitter does not incorporate an RF connector, the output signal of the transmitter shall be
coupled to an antenna located within the test environment. This antenna shall be coupled by a shielded
transmission line to the measuring equipment located outside of the test environment.
4.8 Arrangements for test signals at the input of the base receiver
The source of the wanted input signal shall be located outside the test environment and the signal level
used shall be chosen to be a value significantly above the threshold sensitivity but below the overload
characteristics of the receiver (the suggested value is 60 dB above the threshold sensitivity, if possible).
Adequate measures shall be taken to protect the measuring equipment from the effect of all the radiated
fields within the test environment.
Where the receiver incorporates an RF antenna connector, the RF signal source shall be coupled to the
input of the receiver via a shielded transmission line such as a coaxial cable.
Where the receiver does not incorporate an RF connector, the RF signal source shall be presented to the
receiver from another antenna located within the test environment. This antenna shall be coupled to the
RF signal source via an adjustable attenuator.

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4.9 Arrangements for test signals at the output of the base receiver
The audio frequency output of the receiver shall be coupled to the measuring equipment, located outside
the test environment. If the receiver does not have an audio frequency output, the manufacturer shall
specify the method of perf
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