ETSI ETS 300 123 ed.1 (1991-04)

SLOVENSKI STANDARD
SIST ETS 300 123 E1:2003
01-december-2003
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Terminal Equipment (TE); Attachment requirements for Data Terminal Equipment (DTE)
to connect to Packet Switched Public Data Networks (PSPDN) using CCITT
Recommendation X.25 (1984) interface; Requirements applicable to DTEs subscribing to
Link Access Procedure Balanced (LAPB) extended (modulo 128) operation
Ta slovenski standard je istoveten z: ETS 300 123 Edition 1
ICS:
33.040.40 Podatkovna komunikacijska Data communication
omrežja networks
SIST ETS 300 123 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 123 E1:2003

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SIST ETS 300 123 E1:2003
EUROPEAN ETS 300 123
TELECOMMUNICATION April 1991
STANDARD
ICS: 33.020
DTE, PSTN, Modulo 128 operation
Key words:
Attachment requirements for Data Terminal Equipment (DTE)
to connect to Packet Switched Public Data Networks (PSDN)
using CCITT Recommendation X.25 (1984) interface
Requirements applicable to DTEs subscribing to Link Access
Procedure Balanced (LAPB) extended (modulo 128) operation
(the text of this ETS may be utilized for the establishment of Annex H of NET 2)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - secretariat@etsi.fr
X.400: Internet:
Tel.: +33 92 94 42 00 - Fax: +33 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 1991. All rights reserved.
New presentation - see History box

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SIST ETS 300 123 E1:2003
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ETS 300 123: 1991
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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SIST ETS 300 123 E1:2003
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ETS 300 123: 1991
Contents
Foreword .5
1 Normative references.7
2 Definitions.7
3 Symbols and abbreviations .7
4 LAPB extended (Modulo 128) operation .7
4.1 General .7
4.2 Additional tests.8
4.2.1 Link set-up mode establishment collision.8
History.
...