SIST ETS 300 176-1:1999

• Abstract:

  To update and upgrade I-ETS 300 176 to an ETS based upon experiences from the development of TBR 6 & 10 and comments received.

• Status: Published
• Publication Date: 30-Jun-1999
• ICS: 33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
• Technical Committee: RES - Radio equipment and systems
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jul-1999
• Due Date: 01-Jul-1999
• Completion Date: 01-Jul-1999
• Ref Project: ETSI ETS 300 176-1 ed.2 (1996-11) - Digital Enhanced Cordless Telecommunications (DECT); Approval test specification; Part 1: Radio

SIST ETS 300 176-1:1999 is the Slovenian adoption of ETS 300 176-1 Edition 2 from ETSI. It specifies approval tests for the radio part of Digital Enhanced Cordless Telecommunications (DECT), including the RF, timing, power, modulation, receiver and spectrum-use checks used for type approval. It is meant for manufacturers, test laboratories, and approval or licensing bodies that need a common test basis for DECT equipment.

What does SIST ETS 300 176-1:1999 specify?

SIST ETS 300 176-1:1999 specifies approval tests for DECT equipment operating in the 1 880 MHz to 1 900 MHz band, with provisions for other or extended frequency bands. The document focuses on radio frequency parameters, security elements, and DECT protocol functions that support radio testing and efficient use of spectrum.

The standard is organized into main clauses 1 to 17 and annexes A to J. Clause 1 gives the scope, clause 2 lists normative references, clause 3 defines terms and abbreviations, and clauses 4 to 17 cover the general test framework and the individual radio tests. Annexes B, C, D, E, F, G, H and J contain the detailed procedures, test profiles and added requirements used by the main clauses.

Annex	What it covers
A	Bibliography
B	Test fixture calibration and radiated spurious emissions
C	Conducted spurious emissions
D	Test Support Profile (TSP)
E	Measurement of BER
F	Synchronization loss measured by the LT
G	Requirements for PPs with direct PP to PP communication mode
H	Requirements for installation related issues
I	Essential requirements justification
J	Additions to ETS 300 175-2

What are the key requirements of SIST ETS 300 176-1:1999?

SIST ETS 300 176-1:1999 turns DECT approval into a structured test program. In practice, that means the applicant has to identify the equipment features, present the right configuration for testing, and then run the applicable radio tests under the defined conditions and verdict criteria.

Test selection depends on the equipment under test

Clause 4.2 and 4.3 require the equipment description to include items such as the Protocol Implementation Conformance Statement (PICS), the Protocol Implementation eXtra Information for Testing (PIXIT), environmental test conditions, and any host-connected arrangement. Clause 4.3 then sorts applicability by equipment type, including equipment with only a DECT RF receiver, equipment with a transmitter, equipment with an analogue port, equipment with a synchronization port, PPs with the IPEI, all FP equipment, PPs with direct PP to PP communication, and wireless relay stations.

In practice, this is the first decision point for a test campaign. It tells the lab which test cases apply and what declarations or configuration details the manufacturer has to provide.

The test setup and measurement environment are tightly controlled

Clause 5 defines the test philosophy, test sites, standard position, test antenna, substitution antenna, test fixture, LT and UT, and the general test methods. It includes open air test site, anechoic chamber, stripline coupler and indoor test site arrangements, plus calibration and mode-of-use rules for each.

This matters because many DECT checks depend on repeatable RF conditions. The standard also requires the measurement arrangement to be documented, including calibration of the test fixture and the interpretation of measurement results.

Test conditions cover temperature, power and host arrangements

Clause 6 sets nominal and extreme test conditions, power-source requirements, and the way host-connected equipment and plug-in cards are tested. It provides alternative approaches for composite equipment and for using a test jig with three hosts.

For a buyer or quality manager, this clause shows that approval testing is not only about the radio signal. The equipment has to be exercised in realistic supply and environmental conditions, including the way it is mounted or connected in use.

Carrier accuracy, timing and burst behavior are checked against the DECT base requirements

Clauses 7, 8 and 9 cover accuracy and stability of RF carriers, timing parameters, and transmission burst behavior. Clause 7 distinguishes verdict criteria for the RFP and the PP, while clause 8 covers packet timing jitter, reference timing accuracy of a RFP, and packet transmission accuracy of a PP.

Clause 9 defines burst-related terms such as physical packets, NTP, transmitter attack time, transmitter release time, minimum power, maximum power, and transmitter idle power output. In practice, these tests confirm that the transmitter starts, stops and times its packets correctly, which is important for interoperability and for avoiding interference.

Output power, modulation and unwanted emissions are measured in several ways

Clause 10 covers transmitted power for PPs and RFPs with integral antennas and with external antenna connections. Clause 11 covers RF carrier modulation, with separate measurement parts and verdict criteria, while clause 12 covers unwanted RF power radiation due to modulation, transmitter transients, intermodulation and spurious emissions.

This is the part of the standard that protects other users of the spectrum. It checks that the DECT equipment radiates the wanted signal at the right level and keeps unwanted energy within the limits set for the assigned channel, adjacent channels, out-of-band regions and broadcast bands.

Receiver performance is tested for sensitivity, interference and blocking

Clause 13 covers radio receiver sensitivity, reference BER, interference performance, blocking in two cases, receiver intermodulation performance, and spurious emissions when the PP has no allocated transmit channel. The methods use BER-based verdicts and controlled interferers.

In practice, these tests show how well the receiver can hear a wanted signal and stay usable when other signals are present. That is important for real installations where many radios may be active at once.

Synchronization, EMC, identity and spectrum use are also covered

Clause 14 covers the synchronization port for FP equipment, including operation as a master or slave, integrated GPS synchronization, and external GPS synchronization devices. Clause 15 points to the EMC standards applicable under the EMC Directive, clause 16 covers equipment identity testing for PP and FP, and clause 17 covers efficient use of the radio spectrum through channel selection, confirmation and release.

These clauses matter because DECT systems often depend on accurate timing between parts of a network and on correct identity handling. They also link the radio approval work to practical installation and network operation issues.

What terms does SIST ETS 300 176-1:1999 define?

• Digital Enhanced Cordless Telecommunications (DECT) - The cordless telecommunications system covered by the standard, including the radio interface and related test methods.
• Fixed Part (FP) - The stationary part of a DECT system; the standard treats FP and PP as the two main equipment elements.
• Portable Part (PP) - The portable DECT terminal or handset that is tested as part of the radio approval process.
• Radio Fixed Part (RFP) - The radio part of the fixed part; clauses 7, 8, 10, 12 and 13 use RFP-specific verdict criteria.
• Lower Tester (LT) - The tester that provides RF signals, measurement functions and control for the radio measurements.
• Upper Tester (UT) - The test interface used to send test messages and exercise protocol behavior during conformance testing.
• Protocol Implementation Conformance Statement (PICS) - The declaration that identifies what protocol features the equipment implements, so the right tests can be selected.
• Protocol Implementation eXtra Information for Testing (PIXIT) - Extra implementation information needed to carry out the tests in a repeatable way.

Who uses SIST ETS 300 176-1:1999?

SIST ETS 300 176-1:1999 is used by DECT equipment manufacturers, test laboratories, and approval or licensing authorities. Manufacturers use it to design equipment and prepare the PICS, PIXIT and test samples needed for approval. Laboratories use it to set up RF measurements, choose the applicable test cases, and record verdicts. Approval bodies and compliance teams use it to decide whether a DECT FP, PP or related radio equipment fits the approval test framework.

What changed in SIST ETS 300 176-1:1999 from the previous edition?

SIST ETS 300 176-1:1999 updates and upgrades I-ETS 300 176 to an ETS. The scope says the revision was based on experience from the development of TBR 6 and TBR 10 and on comments received.

Which standards are used with SIST ETS 300 176-1:1999?

SIST ETS 300 176-1:1999 uses the DECT Common Interface parts as its technical base, especially ETS 300 175-1 through ETS 300 175-8. ETS 300 175-2 provides many of the radio requirements that this approval test specification measures, while ETS 300 175-3 supplies packet-structure details used in the timing and transmission tests. ETS 300 175-5 is referenced for higher-layer information used in Annex D.

• ETS 300 175-1 to ETS 300 175-7 - The DECT Common Interface parts for overview, physical layer, MAC, DLC, network, identities/addressing and security features.
• ETS 300 175-8 - Speech coding and transmission, relevant to the DECT speech part mentioned in the scope.
• ISO/IEC 9646-1 - The conformance testing framework used for the test methodology.
• CCITT Recommendation V.11 - Electrical characteristics for balanced double-current interchange circuits.
• CCITT Recommendation O.153 - Basic parameters for bit-error performance measurement.
• CCITT Recommendation G.726 - The 32 kbit/s ADPCM speech codec named in the scope.
• EN 55022 - Emission measurement methods for information technology equipment, referenced for EMC-related context.
• 91/263/EEC and 89/336/EEC - The terminal and EMC directives that shape the compliance intent of the test program.

What does the SIST ETS 300 176-1:1999 document contain?

SIST ETS 300 176-1:1999 contains the test structure, test environments, measurement methods and verdict criteria needed for DECT radio approval. It includes detailed procedures for site calibration, antenna use, substitution measurements, fixture calibration, BER measurement, radiated and conducted spurious emissions, and synchronization checks.

Several annexes are especially practical. Annex D gives large capability tables for PP and FP test support, Annex E defines BER measurement, Annex G sets the requirements for direct PP to PP communication mode, Annex H addresses installation-related issues such as GPS and air synchronization, and Annex J adds GPS synchronization text to ETS 300 175-2. The document also uses figures and tables to define packet structures, measurement arrangements and test-support symbols so that the tests can be repeated consistently in a lab.

SLOVENSKI STANDARD
01-julij-1999
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Digital Enhanced Cordless Telecommunications (DECT); Approval test specification;
Part 1: Radio
Ta slovenski standard je istoveten z: ETS 300 176-1 Edition 2
ICS:
33.070.30 'LJLWDOQHL]EROMãDQH Digital Enhanced Cordless
EUH]YUYLþQHWHOHNRPXQLNDFLMH Telecommunications (DECT)
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 176-1
TELECOMMUNICATION November 1996
STANDARD Second Edition
Source: ETSI TC-RES Reference: RE/RES-03028-1
ICS: 33.020, 33.060.50
Key words: DECT, radio, testing, type approval
Radio Equipment and Systems (RES);
Digital Enhanced Cordless Telecommunications (DECT);
Approval test specification;
Part 1: Radio
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: [e-mail]
Tel.: [phone] - Fax: [phone]
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 1996. All rights reserved.

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ETS 300 176-1: November 1996
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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ETS 300 176-1: November 1996
Contents
Foreword .9
1 Scope .11
2 Normative references.12
3 Definitions and abbreviations .13
3.1 Definitions .13
3.2 Abbreviations .15
4 General.16
4.1 Document layout.16
4.1.1 Test suites.16
4.1.2 Test groups .16
4.1.3 Test cases.17
4.2 Presentation of equipment for testing purposes .17
4.2.1 Choice of model for type examination.17
4.2.2 Description of equipment.18
4.2.2.1 Protocol Implementation Conformance Statement (PICS).18
4.2.2.2 Protocol Implementation eXtra Information for Testing
(PIXIT) .18
4.2.2.3 Environmental test conditions.18
4.2.3 Host connected equipment.18
4.2.4 Applicant's declaration.18
4.3 Applicability of type tests.18
4.3.1 Equipment that includes only a DECT RF receiver.18
4.3.2 Equipment that includes a radio transmitter.19
4.3.3 Equipment that is equipped with an analogue port .19
4.3.4 Equipment with a synchronization port.19
4.3.5 Equipment incorporating the IPEI (PPs only) .19
4.3.6 All FP equipment .19
4.3.7 PPs with direct PP to PP communication option.19
4.3.8 Installation related issues .19
4.3.9 Wireless relay stations .19
4.4 Interpretation of the measurement results.20
5 General test requirements.20
5.1 Test philosophy.20
5.2 Test site .21
5.2.1 Open air test site .21
5.2.1.1 Description.21
5.2.1.2 Calibration.22
5.2.2 Anechoic chamber.23
5.2.2.1 General.23
5.2.2.2 Description.23
5.2.2.3 Influence of parasitic reflections .25
5.2.2.4 Calibration and mode of use.25
5.2.3 Stripline coupler.25
5.2.3.1 Description.25
5.2.3.2 Calibration.25
5.2.3.3 Mode of use.26
5.3 Standard position.26
5.4 Test antenna of the LT.26
5.5 Substitution antenna .26
5.6 Test fixture .27
5.6.1 Description .27
5.6.1.1 Calibration of the test fixture for the measurement of
transmitter characteristics.27

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ETS 300 176-1: November 1996
5.6.1.2 Calibration of the test fixture for the measurement of
receiver characteristics . 28
5.6.1.3 Mode of use . 28
5.6.2 Equipment with a temporary or internal permanent antenna connector. 29
5.6.2.1 Equipment with a temporary antenna connector . 29
5.7 Indoor test site. 29
5.7.1 Description. 29
5.7.2 Test for parasitic reflections. 30
5.7.3 Calibration and mode of use. 30
5.8 Lower Tester (LT). 31
5.8.1 Description. 31
5.8.2 Connections between the EUT and the LT. 31
5.8.3 Functions and abilities . 32
5.8.4 Signal generation uncertainty . 32
5.8.4.1 Modulated DECT-like carrier. 32
5.8.4.2 CW interferers. 32
5.8.4.3 DECT RF Signal. 32
5.8.4.4 Test modulation signals . 32
5.8.5 Measurement uncertainty . 33
5.9 Upper Tester (UT). 33
5.9.1 Description of the UT. 33
5.9.2 The test standby mode . 33
5.9.3 Test messages . 34
5.10 Description of the lower tester FT and PT. 34
5.11 General test methods.34
5.11.1 General . 34
5.11.2 Sampling the RF signal. 35
5.11.2.1 Introduction . 35
5.11.2.2 Sampling method . 35
5.11.3 Determining the reference position. 35
5.11.3.1 Case 1: EUTs that cannot transmit. 35
5.11.3.2 Case 2: EUTs that can transmit. 35
5.11.4 Bit error rate (BER) measurements. 35
5.12 Test setup . 36
5.12.1 Test setup 1. 36
5.12.2 Test setup 2. 36
5.12.3 Test setup 3. 37
5.12.4 Test setup 4. 37
5.12.5 Test setup 5. 38
5.13 Test arrangements for intermodulation measurements. 38
5.13.1 PT to PT arrangement . 38
5.13.2 FT to FT arrangement . 39
5.13.3 FT to PT arrangement . 39
6 Test conditions, power sources and ambient temperatures. 40
6.1 General. 40
6.2 Nominal test conditions . 40
6.3 Extreme test conditions. 41
6.4 Test power source - general requirements . 42
6.5 Nominal test power source. 42
6.5.1 Mains voltage. 42
6.5.2 Regulated lead acid battery power sources. 42
6.5.3 Nickel cadmium battery . 42
6.5.4 Other power sources . 42
6.6 Extreme test power source . 42
6.6.1 Mains voltage. 42
6.6.2 Regulated lead acid battery power sources. 42
6.6.3 Nickel cadmium battery . 42
6.6.4 Other power sources . 43
6.7 Testing of host connected equipment and plug-in cards . 43
6.7.1 Alternative A: composite equipment . 43
6.7.2 Alternative B: use of a test jig and three hosts . 43

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ETS 300 176-1: November 1996
7 Accuracy and stability of RF carriers.44
7.1 Definition.44
7.2 Test environment .44
7.3 Method of measurement.44
7.4 Verdict criteria when the EUT is a RFP .45
7.5 Verdict criteria when the EUT is a PP.45
7.5.1 Case 1: When the measurement is made during the first 1 s of the EUT
going into a transmit mode from a non-transmitting mode.45
7.5.2 Case 2: When the measurement is made at any other time.45
8 Accuracy and stability of timing parameters.45
8.1 Slot structure definitions.45
8.2 Definition of the position of p0.46
8.3 Measurement of packet timing jitter.46
8.3.1 Test environment.46
8.3.2 Method of measurement .47
8.3.3 Verdict criteria .47
8.4 Measurement of the reference timing accuracy of a RFP .47
8.4.1 Test environment.47
8.4.2 Method of measurement .47
8.4.3 Verdict criteria .48
8.5 Measurement of packet transmission accuracy of a PP.48
8.5.1 Test environment.48
8.5.2 Method of measurement .48
8.5.3 Verdict criteria .49
9 Transmission burst.49
9.1 Definitions .49
9.1.1 Physical packets.49
9.1.2 Transmitted power.49
9.1.3 Normal Transmitted Power (NTP).49
9.1.4 Transmitter attack time.49
9.1.5 Transmitter release time .49
9.1.6 Minimum power.49
9.1.7 Maximum power.50
9.1.8 Maintenance of transmission after packet end.50
9.1.9 Transmitter idle power output.50
9.2 Test environment .50
9.3 Method of measurement.50
9.4 Verdict criteria.51
10 Transmitted power .51
10.1 Definitions .51
10.1.1 PP and RFP with an integral antenna .51
10.1.2 PP and RFP with external connections for all antennas .51
10.1.3 PP and RFP with both integral and external antennas.52
10.2 PP and RFP with an integral antenna.52
10.2.1 Test environment.52
10.2.2 Method of measurement .52
10.2.2.1 Measurement of NTP .52
10.2.2.2 Measurement of antenna gain.53
10.2.3 Verdict criteria for all EUTs.53
10.3 PP and RFP with external antenna connection(s) .54
10.3.1 Test environment.54
10.3.2 Method of measurement .54
10.3.3 Verdict criteria for all EUTs.54
11 RF carrier modulation.54
11.1 Test environment .54
11.2 Method of measurement, Parts 1 and 2 .55
11.2.1 Part 1.55
11.2.2 Part 2.55
11.3 Method of measurement, Parts 3 and 4 .56

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ETS 300 176-1: November 1996
11.3.1 Part 3 . 56
11.3.2 Part 4 . 56
11.4 Verdict criteria for Part 1 . 56
11.5 Verdict criteria for Part 2 . 56
11.6 Verdict criteria for Part 3 . 56
11.7 Verdict criteria for Part 4 . 57
12 Unwanted RF power radiation . 58
12.1 General test conditions. 58
12.2 Emissions due to modulation . 58
12.2.1 Definition. 58
12.2.2 Test environment. 58
12.2.3 Method of measurement. 59
12.2.4 Verdict criteria. 59
12.3 Emissions due to transmitter transients . 60
12.3.1 Definition. 60
12.3.2 Test environment. 60
12.3.3 Method of measurement. 60
12.3.4 Verdict criteria. 61
12.4 Emissions due to intermodulation . 61
12.4.1 Definition. 61
12.4.2 Test environment. 61
12.4.3 Method of measurement. 62
12.4.4 Verdict criteria. 62
12.5 Spurious emissions when allocated a transmit channel. 63
12.5.1 Definition. 63
12.5.2 Radiated emissions . 63
12.5.2.1 Test environment . 63
12.5.2.2 Method of measurement. 63
12.5.2.3 Verdict criteria . 64
12.5.3 Conducted spurious emissions. 64
12.5.3.1 Test environment . 64
12.5.3.2 Method of measurement. 64
12.5.3.3 Verdict criteria . 65
13 Radio receiver testing. 65
13.1 Radio receiver sensitivity. 65
13.1.1 Definition. 65
13.1.2 Test environment. 65
13.1.3 Method of measurement. 65
13.1.4 Verdict criteria. 66
13.2 Radio receiver reference BER . 66
13.2.1 Definition. 66
13.2.2 Test environment. 66
13.2.3 Method of measurement. 66
13.2.4 Verdict criteria. 66
13.3 Radio receiver interference performance. 67
13.3.1 Definition. 67
13.3.2 Test environment. 67
13.3.3 Method of measurement. 67
13.3.4 Verdict criteria. 67
13.4 Radio receiver blocking case 1: owing to signals occurring at the same time but on
other frequencies . 68
13.4.1 Definition. 68
13.4.2 Test environment. 68
13.4.3 Method of measurement. 68
13.4.4 Verdict criteria. 69
13.5 Radio receiver blocking case 2: owing to signals occurring at a different time. 69
13.5.1 Definition. 69
13.5.2 Test environment. 69
13.5.3 Method of measurement. 70
13.5.4 Verdict criteria. 70
13.6 Receiver intermodulation performance . 70

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ETS 300 176-1: November 1996
13.6.1 Definition .70
13.6.2 Test environment.70
13.6.3 Method of measurement .71
13.6.4 Verdict criteria .71
13.7 Spurious emissions when the PP has no allocated transmit channel.71
13.7.1 Definition .71
13.7.2 Test environment.71
13.7.3 Method of measurement .72
13.7.4 Verdict criteria (outside the DECT band).72
13.7.5 Verdict criteria (inside the DECT band).72
14 Synchronization port (FP only) .72
14.1 Description.72
14.2 Test environment .73
14.3 FP as a master .73
14.3.1 Method of measurement .73
14.3.2 Verdict criteria .73
14.4 FP as a slave .74
14.4.1 Method of measurement .74
14.4.2 Verdict criteria .74
14.5 FP with integrated Global Positioning System (GPS) synchronization .74
14.5.1 Method of measurement .74
14.5.2 Verdict criteria .75
14.6 External GPS synchronization device.75
14.6.1 Method of measurement .75
14.6.2 Verdict criteria .75
15 EMC .75
16 Equipment identity testing .76
16.1 PP .76
16.2 FP .76
17 Efficient use of the radio spectrum.76
17.1 Channel selection .76
17.2 Channel confirmation.76
17.2.1 For the PT .76
17.2.2 For the FT.76
17.3 Channel release.77
17.4 General .77
Annex A (informative): Bibliography.78
Annex B (normative): Procedures for test fixture calibration and for measurement of radiated
spurious emissions.79
B.1 Calibration of test fixture for receiver measurements .79
B.1.1 Method of measurement.79
B.2 Radiated measurements.81
B.2.1 General .81
B.2.2 Radiated spurious emissions.81
B.2.2.1 Definition .81
B.2.2.2 Method of measurement .82
B.2.3 Cabinet radiation.84
B.2.3.1 Definition .84
B.2.3.2 Method of measurement .84
Annex C (normative): Procedure for measurement of conducted spurious emissions.85
C.1 Conducted spurious emissions .85
C.1.1 Definition.85
C.1.2 Method of measurement.85

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ETS 300 176-1: November 1996
Annex D (normative): Test Support Profile (TSP). 86
D.1 Introduction. 86
D.2 Standardized symbols for the status column. 86
D.3 Capabilities of PP (EUT) under test. 87
D.3.1 Services. 87
D.3.2 Messages. 87
D.3.3 Message parameters . 89
D.3.4 Procedure support. 91
D.3.5 CSF multiplexing functions. 92
D.3.6 Timer and counter support. 92
D.4 Capabilities of FP (EUT) under test. 93
D.4.1 Services. 93
D.4.2 Messages. 93
D.4.3 Message parameters . 95
D.4.4 Procedure support. 97
D.4.5 CSF multiplexing functions. 98
D.4.6 Timer and counter support. 98
Annex E (normative): Measurement of BER . 99
Annex F (informative): Procedures for the measurement of synchronization loss at the EUT by the
LT. 100
F.1 Description. 100
F.2 Method. 100
Annex G (normative): Requirements for PPs with direct PP to PP communication mode . 101
G.1 Description of operation in direct PP to PP communication mode . 101
G.2 Requirements . 101
G.2.1 Setting the PP in direct communications mode. 101
G.2.2 When the EUT has initiated a call. 102
G.2.3 When the EUT has not initiated a call. 102
Annex H (normative): Requirements for installation related issues. 103
H.1 Spectrum efficiency for speech transmission . 103
H.2 Antennas with directivity . 103
H.3 DECT frame synchronization. 103
H.3.1 Guidance for installation of frame synchronized DECT systems . 105
H.3.1.1 GPS synchronization . 105
H.3.1.2 Wired synch port synchronization. 105
H.3.1.3 Requirements for DECT air synchronization . 105
Annex I (informative): Essential requirements justification . 106
Annex J (normative): Additions to ETS 300 175-2. 107
J.1 Additional text on GPS synchronization. 107
History. 111

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ETS 300 176-1: November 1996
Foreword
This 2nd edition European Telecommunication Standard (ETS) has been produced by the Radio
Equipment and Systems (RES) Technical Committee of the European Telecommunications Standards
Institute (ETSI).
This ETS contains text pertaining to approval testing of the Digital Enhanced Cordless
Telecommunications (DECT) Common Interface. Such text should be considered as guidance to approval
(or licensing) authorities.
Details of the DECT Common Interface may be found in ETS 300 175 parts 1 to 7 [1] to [7]. Further
details of the DECT system may be found in the ETSI Technical Reports, ETR 015, ETR 043, and
ETR 056 (see annex A).
This ETS consists of 2 parts as follows:
Part 1: "Radio";
Part 2: "Speech".
Transposition dates
Date of adoption of this ETS: 25 October 1996
Date of latest announcement of this ETS (doa): 28 February 1997
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 August 1997
Date of withdrawal of any conflicting National Standard (dow): 31 August 1997

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ETS 300 176-1: November 1996
Blank page
Page 11
ETS 300 176-1: November 1996
1 Scope
This European Telecommunications Standard (ETS) specifies the approval tests applicable to all Digital
Enhanced Cordless Telecommunications (DECT) equipment accessing the DECT frequency band
1 880 MHz to 1 900 MHz (including provisions for testing other or extended frequency bands) and the
approval tests applicable to DECT speech transmission using CCITT Recommendation G.726 [14]
ADPCM speech codec at 32 kbit/s.
The aims of this ETS are to ensure:
- efficient use of frequency spectrum;
- no harm done to any connected network and its services;
- no harm done to other radio networks and services;
- no harm done to other DECT equipment or its services;
- interworking of terminal equipment via the public network,
through testing those provisions of ETS 300 175, parts 1 to 7 [1] to [7] which are relevant to these aims.
The tests of this ETS split into two parts:
- this part covers testing of radio frequency parameters, security elements and those DECT protocols
that facilitate the radio frequency tests and efficient use of frequency spectrum;
- part 2 describes testing of DECT 32 kbit/s ADPCM speech requirements between network interface
and DECT PT, or between a DECT CI air interface and alternatively a DECT PT or FT. Part 2 is not
applicable to terminal equipment specially designed for the disabled (e.g. with amplification of
received speech as an aid for the hard-of-hearing).
DECT comprises two equipment elements, referred to as a Fixed Part (FP) and a Portable Part (PP).
Part 2 of this ETS is structured to allow type approval of either:
a) the FP and PP together; or
b) the FP and PP as separate items.
Where the DECT FP is connected to a PSTN, and there are any national peculiarities in the requirements
for voice telephony, these shall be accommodated wit
...