SIST ETS 300 012/A1 E1:2003

• Abstract:

  Amendment to the published version

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• 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-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI ETS 300 012/A1 ed.1 (1994-12) - Integrated Services Digital Network (ISDN); Basic user-network interface Layer 1 specification and test principles

Overview

SIST ETS 300 012/A1 E1:2003 is an official amendment to the core European standard for Integrated Services Digital Network (ISDN); specifically, it addresses the basic user-network interface Layer 1 specification and establishes test principles. Published by the Slovenian Institute for Standardization (SIST), in alignment with ETSI technical committees, this amendment refines and updates essential requirements for the physical layer interface between ISDN user equipment (TE) and the network termination (NT).

The amendment ensures Layer 1 compliance for ISDN basic rate interfaces, clarifies testing methodologies, and incorporates updates to figures, tables, and test procedures, strengthening the reliability and interoperability of ISDN equipment.

Key Topics

• Layer 1 Interface Specification
  Defines technical parameters for the physical (Layer 1) user-network interface in ISDN basic access, including voltage, signal states, and activation/deactivation sequences.

• Testing Principles and Test Circuits
  Clarifies detailed procedures and test setups required for compliance verification. Updated diagrams specify power startup, applied current unbalance, and wiring configurations.

• TE (Terminal Equipment) and NT (Network Termination) Behavior
  Refines requirements for terminal power status detection, connection/disconnection, response to network signals (INFO states), and polarity integrity.

• State Machines and Timing
  Updates state transition tables for Layer 1 operation, with new notes on scenarios such as power loss, signal reception, and synchronization loss/regain.

• Power Management
  Adjusts test conditions for normal and restricted power operation, current/time limitations, and design guidance for minimizing disturbances.

• Results and Compliance Criteria
  Ensures test result interpretation-such as frame alignment, jitter tolerance, and integrity under various operating conditions-are clearly stated.

Applications

The updated Layer 1 interface specification and testing principles provided by SIST ETS 300 012/A1 E1:2003 are crucial for:

• Telecommunications Equipment Manufacturers
  Enables design and certification of ISDN user and network devices that reliably interoperate, reducing troubleshooting and deployment risks.

• Test Laboratories and Certification Bodies
  Establishes common, repeatable criteria for compliance assessments of ISDN interface implementations, supporting product approvals and market access.

• Network Operators and Service Providers
  Ensures installed ISDN devices maintain network reliability, comply with stringent service-level requirements, and simplify maintenance or upgrades.

• Standards Developers and System Integrators
  Provides a consistent framework for national and international compatibility across ISDN-based solutions and combined service offerings.

Related Standards

For comprehensive understanding and implementation, refer also to:

• ETS 300 012: Original core standard outlining ISDN basic user-network interface Layer 1 specification and test principles.
• ETSI I.430: International recommendation on ISDN basic user-network interface - Layer 1 specification, which heavily informs this standard.
• SIST EN 300 012: Slovenian national adoption of the base European Norm.
• Other ISDN Standards (ICS 33.080, 33.040.50): Cover additional aspects of ISDN digital networks, transmission, and multiplexing requirements.
• ISO/IEC ISDN Standards: Global compatibility guidelines for ISDN interfaces and services.

Keywords: ISDN, user-network interface, Layer 1, basic rate, compliance testing, terminal equipment, network termination, test circuits, telecommunications standards, SIST, ETSI.

SLOVENSKI STANDARD
01-december-2003
'LJLWDOQRRPUHåMH]LQWHJULUDQLPLVWRULWYDPL,6'1±2VQRYQLYPHVQLNXSRUDEQLN
RPUHåMH±6SHFLILNDFLMDSUYHSODVWLLQQDþHODSUHVNXãDQMD
Integrated Services Digital Network (ISDN); Basic user-network interface Layer 1
specification and test principles
Ta slovenski standard je istoveten z: ETS 300 012/A1 Edition 1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

ETS 300 012
AMENDMENT A1
December 1994
Source: ETSI TC-TM Reference: RE/TM-03039
ICS: 33.080, 33.040.50
ISDN, user network interface, testing
Key words:
This amendment A1 modifies
the European Telecommunication Standard ETS 300 012 (1992)
Integrated Services Digital Network (ISDN);
Basic user-network interface
Layer 1 specification and test principles
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
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Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
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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 1994. All rights reserved.
New presentation - see History box

Page 2
ETS 300 012: April 1992/A1: December 1994
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.

Page 3
ETS 300 012: April 1992/A1: December 1994
Foreword
This Amendment to ETS 300 012 (1992) has been produced by the Transmission and Multiplexing (TM)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
Amendments
Page 18, figure 3
Replace figure 3 with the following figure:
CL
TE
+
U = 40 V
U = 24 V
Z
C1
S
C2
IUT
-
CS
U : Zener voltage
Z
Figure 3: Power start up test for TE
Page 22, figure 7
Replace figure 7 with the following figure:
R R
±
c/e
S S
R
R ±
L
L
R
L
R d/f
S
TE
U = 40 V
i =
30 mA
=
R = 6 R 360 m
S
S
R R
L
S
=
X =
R 2R
L
S
R = R
5 =
L 300 m
L
Figure 7: Test circuit for applied current unbalance

Page 4
ETS 300 012: April 1992/A1: December 1994
Page 26, table A.1, table entry A.5.3.2
Replace the table entry A.5.3.2 with the following:
A.5.3.2 TEs not powered across the interface
A TE using the automatic assignment
procedure shall implement the
disconnect detector for detection of
power source 1 or 2 to establish the
connection status.
Page 29, table A.1, table entry A.6.2.6.1
Replace the final paragraph for table entry A.6.2.6.1 with the following:
shall be replaced (four times) by:
"INFO2 or INFO4">
Page 31, table A.1, table entry A.8.5.4
The statement ("St.-ment") for table entry A.8.5.4 shall be changed to "I" (Informative), as follows:
Clause/ Title St.-
subclause ment
A.8.5.4 Pulse unbalance I
replaced by:
Page 46, subclause D.1.4.4
Replace the fourth instance of "N/R" with "D.3.2.2.1.1", producing a table as follows:
Modes Clause/ Test defined in
subclause Clause/subclause
Types of wiring configuration A.4 N/R
Point-to-point configuration A.4.1 N/R
Point-to-multipoint A.4.2 N/R
configuration
Polarity Integrity A.4.3 D.3.2.2.1.1
(figure 2/I.430 [2])
Interface Ia A.4.4 N/R
TE associated wiring A.4.5 N/R

Page 5
ETS 300 012: April 1992/A1: December 1994
Page 50, subclause D.1.4.11
Replace the final instance of "N/R" with "D.5.1.4.1" and add test for Annex B, Clause B.6, producing a
table as follows:
Requirements Clause/ Test defined in
subclause Clause/subclause
Test loopbacks defined for the Annex A
basic user-network interface App. I N/R
Additional requirements B.1 to B.5 N/R
applicable to the explicit S B.6 D.5.1.4.2
reference point
TE design to minimise power Annex C D.5.1.4.1
disturbance
Page 57, subclause D.3.2.1
Replace the table in subclause D.3.2.1 with the following table (modifying states 9, 16, 22, 40 and 46 and
adding NOTE 9):
Table to subclause D.3.2.1
STATSTAT CURRENTCURRENT STIMULUSSTIMULUS NOTENOTE NEXTNEXT INFOINFO COMMENTCOMMENT
EE STATESTATE STATSTAT SENTSENT
NONO EE
1 F1 Power 1 F2 I0 Detection of power
2 F1 T3 expires 2/6 F1 I0 No action
3 F2 Loss of Power F1 I0 Return to inactive state
4 F2 Rx INFO 0 4 F3 I0 Assume deactivated state
5 F2 Rx INFO 2 F6 I3 Synchronised state
6 F2 Rx INFO 4 F7 I3 Activated
7 F2 Rx any signal 3 F2 I0 No action
8 F2 T3 expires 6 F2 I0 No action
9 F3 Loss of Power 9 F1 I0 Return to inactive
10 F3 PH-AR F4 I1 Initiate activation & T3
11 F3 Rx INFO 0 4 F3 I0 No action
12 F3 Rx INFO 2 F6 I3 Synchronised state
13 F3 Rx INFO 4 F7 I3 Activated
14 F3 Rx any signal 3 F3 I0 No action
15 F3 T3 expires 2 F3 I0 No action
16 F4 Loss of Power 9 F1 I0 Return to inactive state
17 F4 Rx INFO 0 4 F4 I1 No action
18 F4 Rx INFO 2 7 F6 I3 Synchronised
19 F4 Rx INFO 4 7 F7 I3 Active
20 F4 Rx any signal 3 F5 I0 Detection of signal
21 F4 T3 Expires 2 F3 I0 Deactivated
22 F5 Loss of Power 9 F1 I0 Return to inactive
23 F5 Rx INFO 0 4 F5 I0 No action
24 F5 Rx INFO 2 F6 I3 Synchronised
25 F5 Rx INFO 4 F7 I3 Activated
26 F5 Rx any signal 3 F5 I0 No action
27 F5 T3 Expires 2 F3 I0 Deactivated
28 F6 Loss of Power 8 F1 I0 Return to inactive
29 F6 Lost Framing F8 I0 Loss of framing signals
30 F6 PH-AR F6 I3 No action
(continued)
Page 6
ETS 300 012: April 1992/A1: December 1994
Table to subclause D.3.2.1 (concluded)
STATSTAT CURRENTCURRENT STIMULUSSTIMULUS NOTENOTE NEXTNEXT INFOINFO COMMENTCOMMENT
EE STATESTATE STATSTAT SENTSENT
NONO EE
31 F6 Rx INFO 0 4 F3 I0 Deactivated
32 F6 Rx INFO 2 F6 I3 No action
33 F6 Rx INFO 4 F7 I3 Activated
34 F6 T3 Expires 2 F6 I3 Synchronised
35 F7 Loss of Power 8 F1 I0 Return to inactive
36 F7 Lost Framing F8 I0 Loss of framing
37 F7 Rx INFO 0 4/5 F3 I0 Deactivated
38 F7 Rx INFO 2 F6 I3 Synchronised
39 F7 Rx INFO 4 F7 I3 No action
40 F8 Loss of Power 9 F1 I0 Return to inactive
41 F8 PH-AR F8 I0 No action
42 F8 Rx INFO 0 4/5 F3 I0 Deactivation
43 F8 Rx INFO 2 F6 I3 Synchronised
44 F8 Rx INFO 4 F7 I3 Activated
45 F8 Rx any signal 3 F8 I0 No action
46 F8 T3 expires 2 F3 I0 Assu
...