CCITT Rec. G.961 (11/1998) – Digital transmission system on metallic local lines for ISDN basic rate access
1 General
    1.1 Scope
    1.2 Definition
    1.3 Objectives
    1.4 Abbreviations
2 Functions
    2.1 B-channel
    2.2 D-channel
    2.3 Bit timing
    2.4 Octet timing
    2.5 Frame alignment
    2.6 Activation from LT or NT1
    2.7 Deactivation
    2.8 Power feeding
    2.9 Operations and maintenance
3 Transmission medium
    3.1 Description
    3.2 Minimum ISDN requirements
    3.3 DLL physical characteristics
    3.4 DLL electrical characteristics
4 System performance
    4.1 Performance requirements
    4.2 Performance measurements
5 Transmission method
6 Activation/deactivation
    6.1 General
    6.2 Physical representation of signals
7 Operation and maintenance
    7.1 Operation and maintenance functions
    7.2 CL channel
    7.3 Transfer mode of operation and maintenance links
8 Power feeding
    8.1 General
    8.2 Power feeding options
    8.3 Power feeding and recovery methods
    8.4 DLL resistance
    8.5 Wetting current
    8.6 LT aspects
    8.7 Power requirements of NT1 and regenerator
    8.8 Current transient limitation
9 Environmental conditions
    9.1 Climatic conditions
    9.2 Protection
    9.3 Electromagnetic compatibility
ANNEX A (to Recommendation G.961) – General structure for an Appendix on electrical characteristics
    A.0 Electrical characteristics
    A.1 Line code
    A.2 Symbol rate
    A.3 Frame structure
    A.4 Frame word
    A.5 Frame alignment procedure
    A.6 Multiframe
    A.7 Frame offset between LT-NT1 and NT1-LT frames
    A.8 CL channel
    A.9 Scrambling
    A.10 Activation/deactivation
    A.11 Jitter
    A.12 Transmitter output characteristics of NT1 and LT
    A.13 Transmitter/receiver termination
APPENDIX 1 (to Recommendation G.961) – Electrical characteristics of an MMS 43 transmission system
    I.1 Line code
    I.2 Symbol rate
    I.3 Frame structure
    I.4 Frame word
    I.5 Frame alignment procedure
    I.6 Multiframe
    I.7 Frame offset at NT1
    I.8 CL-channel
    I.9 Scrambling
    I.10 Activation/deactivation
    I.11 Jitter
    I.12 Transmitter output characteristics
    I.13 Transmitter/receiver termination
APPENDIX II (to Recommendation G.961) – Electrical characteristics of a 2B1Q transmission system
    II.1 Line code
    II.2 Line baud rate
    II.3 Frame structure
    II.4 Frame word
    II.5 Frame alignment procedure
    II.6 Multiframe
    II.7 Frame offset between LT-NT1 and NT1-LT frames
    II.8 CL channel
    II.9 Scrambling
    II.10 Activation/deactivation
    II.11 Jitter
    II.12 Transmitter output characteristics of NT1 and LT
    II.13 Transmitter/receiver termination
APPENDIX III (to Recommendation G.961) – Electrical characteristics of an AMI transmission system
    III.0 General
    III.1 Line code
    III.2 Symbol rate
    III.3 Frame structure
    III.4 Frame word
    III.5 Frame alignment procedure
    III.6 Multiframe
    III.7 Frame offset between LT-NT1 and NT1-LT frames
    III.8 CL channel
    III.9 Scrambling
    III.10 Activation/deactivation
    III.11 Jitter
    III.12 Transmitter output characteristics of NT1 and LT
    III.13 Transmitter/receiver termination
APPENDIX IV (to Recommendation G.961) – Electrical characteristics of an AMI transmission system using a TCM method
    IV.1 Line code
    IV.2 Symbol rate
    IV.3 Frame structure
    IV.4 Frame word
    IV.5 Frame alignment procedure
    IV.6 Multiframe
    IV.7 Frame offset between LT-NT1 and NT1-LT frames
    IV.8 CL channel
    IV.9 Scrambling
    IV.10 Activation/deactivation
    IV.11 Jitter
    IV.12 Transmitter output characteristics of NT1 and LT
    IV.13 Transmitter/receiver termination
APPENDIX V (to Recommendation G.961) – A digital line system for ISDN basic rate access using binary bi-phase line code
    V.0 Electrical characteristics
    V.1 Line code
    V.2 Symbol rate
    V.3 Frame structure
    V.4 Frame word
    V.5 Frame alignment procedure
    V.6 Multiframe
    V.7 Frame offset between LT-NT1 and NT1-LT frames
    V.8 CL channel
    V.9 Scrambling
    V.10 Activation/deactivation
    V.11 Jitter
    V.12 Transmitter output characteristics of NT1 and LT
    V.13 Transmitted/receiver termination
APPENDIX VI (to Recommendation G.961) – Basic access transmission system using SU32 line code
    VI.0 General
    VI.1 Line code
    VI.2 Symbol rate
    VI.3 Frame structure
    VI.4 Frame word
    VI.5 Frame alignment procedure
    VI.6 Multiframe
    VI.7 Frame offset between LT-NT1 and NT1-LT frames
    VI.8 CL channel
    VI.9 Scrambling
    VI.10 Activation/deactivation
    VI.11 Jitter
    VI.12 Transmitter output characteristic of the NT or LT
    VI.13 Transmitter/receiver termination