I.S. ETS 300 012:1993
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - BASIC USER-NETWORK INTERFACE - LAYER 1 SPECIFICATION AND TEST PRINCIPLES
Hardcopy , PDF
English
01-01-1993
Foreword
1 Scope
2 Normative references
3 Definitions
4 Abbreviations and symbols
5 Conformance
6 Requirements
7 Additional requirements
7.1 Limitations on power source and
sink during transient conditions
7.2 Current unbalance
7.3 Additional requirements for an Auxiliary
Power Supply (APS)
7.4 Additional requirements for NT1 restricted
mode source for compatibility with an APS
Annex A (normative): Statements, modification and additional
requirements to CCITT Recommendation
I.430 [2]
Definitions
Annex B (normative): Additional requirements applicable
to the (explicit) S reference point
B.1 Introduction
B.2 References
B.3 Definitions
B.4 Conformance
B.5 Requirements
B.6 Provision of power
Annex C (informative): TE design to minimise power
disturbance
Annex D (normative): Conformance test principles to
Interface Point I[a]
D.1 Scope and general information
D.2 Functional characteristic tests
D.3 Interface procedure tests
D.4 Electrical characteristics tests
D.5 Power feeding
Annex E (normative): Conformance test principles to
interface point I[b]
E.1 Scope and general information
E.2 Functional characteristic tests
E.3 Interface procedure tests
E.4 Electrical characteristic tests
E.5 Power feeding
E.6 Auxiliary power supply
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