Table of Contents

�1���� Scope����������
�2���� References
�3���� Definitions�
�4���� Abbreviations and acronyms�������������
�5���� Conventions�������������
�6���� Framework
������� 6.1���� Layer 1��������������
������� 6.2���� Layer 2��������������
������� 6.3���� Implementation�����������
������� 6.4���� Operator information
�7���� Designations of public switched circuit interconnections�������
������� 7.1���� General������������
������� 7.2���� Telephone-type circuits������������
������� 7.3���� Circuit used for switched telex and telegraph services
������� 7.4���� Interconnecting circuits in the public switched data network���
������� 7.5���� Related information���
�8���� Related information for public switched circuit interconnections������
������� 8.1���� Urgency for restoration [item 1]�����������
������� 8.2���� Terminal countries [item 2]�����
��� ����8.3���� Names of network operators/service providers [item 3]�����������
������� 8.4���� Control station (sub-control station(s)) [item 4]�������������
������� 8.5���� Fault report points [item 5]�����
������� 8.6���� Routing [item 6]�����������
������� 8.7���� Association [item 7]����
��� ����8.8���� Equipment information [item 8]������������
������� 8.9���� Use [item 9]���
������ 8.10���� Transmission medium information [item 10]��
������ 8.11���� Composition of the transmission [item 11]������
������ 8.12���� Bandwidth or bit rate [item 12]������������
������ 8.13��� �Signalling type [item 13]����������
�9���� Designations of fixed (non-switched) circuit interconnections between operators���
������� 9.1���� General������������
������� 9.2���� Leased circuit interconnections�������������
������� 9.3���� Fixed (non-switched) public circuits�����
������� 9.4 ����Related information���
10���� Related information for fixed circuit interconnections����������
������ 10.1���� Urgency for restoration [item 1]����������
������ 10.2���� Terminal countries [item 2]����
������ 10.3���� Names of network operators/service providers [item 3]����������
� �����10.4���� Control station (sub-control station(s)) [item 4]������������
������ 10.5���� Fault report points [item 5]����
������ 10.6���� Routing [item 6]����������
������ 10.7���� Association [item 7]���
������ 10.8���� Equipment information [item 8]����������
������ 10.9���� Use [item 9]��
����� 10.10���� Transmission medium information [item 10]�
����� 10.11���� Composition of the transmission [item 11]����
����� 10.12���� Bandwidth or bit rate [item 12]�����������
����� 10.13���� Signalling type [item 13]���������
����� 10.14���� Applicable ITU-T Recommendations [item 14]��������������
11���� Designations of group, supergroup, etc. (bidirectional and unidirectional) interconnections���������������
������ 11.1���� General����������
������ 11.2���� Bidirectional groups, etc.���������
������ 11.3���� Unidirectional groups and supergroups������������
������ 11.4� ���Related information��
12���� Designations of group link, supergroup link and line link interconnections���
������ 12.1���� Group and supergroup links��
������ 12.2���� Line links��������
������ 12.3���� Related information��
13���� Related information for group, group link and line link interconnections������
������ 13.1���� Urgency for restoration [item 1]����������
������ 13.2���� Terminal countries [item 2]����
������ 13.3���� Names of network operators/service providers [item 3]����������
������ 13.4���� Control station sub-control station(s) [item 4]���������������
������ 13.5���� Fault report points [item 5]����
������ 13.6���� Routing [item 6]����������
������ 13.7���� Association [item 7]���
������ 13.8���� Equipment information [item 8]����������
������ 13.9���� Use [item 9]��
����� 13.10���� Transmission medium information [item 10]�
����� 13.11���� End-to-end information or operational agreement [item 11]
����� 13.12���� Bandwidth [item 12]
����� 13.13���� Occupancy (for groups/supergroups, etc., and for line links) [item 13]��������������
14���� Designations of digital block (bidirectional and unidirectional) interconnections�������
������ 14.1���� General����������
����� Page
������ 14.2���� Bidirectional digital blocks�������
������ 14.3���� Restoration digital blocks��������
������ 14.4���� Multiple destination unidirectional digital blocks����������
������ 14.5� ���Single destination unidirectional digital blocks
������ 14.6���� Related information��
15���� Designation of digital path interconnections�������������
������ 15.1���� Conventional digital paths not connected to their terminal equipment��������������
������ 15.2���� Restoration digital paths����������
������ 15.3���� Digital line sections and digital radio sections��
������ 15.4���� Related information��
16���� Designations of routes in the mixed analogue/digital transmission network���������������
������ 16.1���� Transmission routes with one analogue-to-digital conversion
������ 16.2���� Transmission routes with two analogue-to-digital conversions��������������
������ 16.3���� Transmission routes with more than two analogue-to-digital conversions��������
������ 16.4���� Related information��
17���� Designation of data transmission systems��
������ 17.1���� General����������
������ 17.2���� Data transmission links�������������
������ 17.3���� Related information��
18���� Designations of digital block interconnections created by the interconnection of digital circuit multiplication equipments (DCMEs)����
������ 18.1���� General����������
������ 18.2���� Multi-clique configuration of DCMEs��
������ 18.3���� Low-rate encoding equipment�������������
������ 18.4���� Related information��
19���� Synchronous digital hierarchy (SDH)�������������
������ 19.1���� Designation of multiplex sections of the synchronous digital hierarchy (SDH)��
������ 19.2���� Designations of virtual container interconnections������
������ 19.3���� Concatenated virtual containers����������
������ 19.4���� Leased circuits based on SDH
20���� Related information for digital block, path, data transmission system, block interconnections created by the interconnection of DCMEs, SDH multiplex sections and virtual containers����
������ 20.1���� Urgency for restoration [item 1]����������
������ 20.2���� Terminal countries [item 2]����
������ 20.3���� Names of network operators/service providers [item 3]����������
������ 20.4���� Control station [sub-control station(s)] [item 4]������������
������ 20.5���� Fault report points [item 5]����
������ 20.6���� Routing [item 6]����������
������ 20.7���� Association [item 7]���
������ 20.8���� Equipment information [item 8]����������
������ 20.9���� Use [item 9]��
����� 20.10���� Transmission medium information [item 10]�
����� 20.11���� End-to-end information or composition of transmission or operational agreement [item 11]����
����� 20.12���� Bit rate (for blocks, paths and SDH multiplex sections) [item 12]����������
����� 20.13���� Occupancy (except for paths) [item 13]����������
����� 20.14���� Actual number of channels and access point identifier [item 14]����������
����� 20.15���� Clocking information (for blocks only) [item 15]�����������
����� 20.16���� Direction of transmission (for unidirectional blocks) [item 16]���������������
21���� Designation of connections for the asynchronous transfer mode (ATM)������
������ 21.1���� General����������
������ 21.2���� Transport links�������������
������ 21.3���� Virtual path���
������ 21.4���� Virtual channels (VCAs)�����������
������ 21.5���� ATM Layer 2��
22���� Related information for the asynchronous transfer mode (ATM)����
������ 22.1���� Urgency for restoration [item 1]����������
������ 22.2���� Terminal countries [item 2]����
������ 22.3���� Names of network operators/service providers [item 3]����������
������ 22.4���� Control and sub-control station(s) [item 4]�����
������ 22.5���� Fault report points [item 5]����
������ 22.6���� Routing [item 6]����������
������ 22.7���� Association [item 7]���
������ 22.8���� Equipment information [item 8]����������
������ 22.9���� Use [item 9]��
����� 22.10���� Transmission medium information [item 10]�
����� 22.11���� Operational agreement [item 11]������
����� 22.12���� Unassigned item [item 12]����
����� 22.13���� Occupancy [item 13]
����� 22.14���� Direction of transmission (for unidirectional transit network services only) [item 14]�
����� 22.15���� ATM transfer capability [item 15]�������
����� 22.16���� Source traffic descriptor [item 16]�����
����� 22.17���� Cell delay variation tolerance [item 17]������������
����� 22.18���� Quality of service [item 18]���
23���� Transit network services����
������ 23.1���� General����������
������ 23.2���� Transit digital transmission service������
����� Page
������ 23.3���� Transit dark fibre service���������
������ 23.4���� Related information��
24���� Related information on transit network service�������
������ 24.1���� Urgency for restoration [item 1]����������
������ 24.2���� Terminal countries [item 2]����
������ 24.3���� Names of network operators/service providers [item 3]����������
������ 24.4���� Control station [sub-control station(s)] [item 4]������������
������ 24.5���� Fault report points [item 5]����
������ 24.6���� Routing [item 6]����������
������ 24.7���� Association [item 7]���
������ 24.8���� Equipment information [item 8]����������
������ 24.9���� Use [item 9]��
����� 24.10���� Transmission medium information [item 10]�
����� 24.11���� SLA [item 11]���������������
����� 24.12���� Bit rate [item 12]�������
����� 24.13���� Commercial identifier [item 13]����������
����� 24.14���� Unassigned item [item 14]����
����� 24.15���� Clocking information [item 15]������������
����� 24.16���� Direction of transmission (for unidirectional transit network services only) [item 16]�
25���� Designations for wavelength division multiplexing (simple and dense)���������
������ 25.1���� General����������
������ 25.2���� The equipment�����������
������ 25.3���� Configurations for the newly created transmission systems����
������ 25.4���� General format for the optical transmission systems��
������ 25.5���� Related information��
26���� Related information on DWDM�������
27���� Designation of connections for the digital subscriber line (DSL)��������
������ 27.1���� General����������
������ 27.2���� Related information for the ADSL connections��������������
������ 27.3���� Related information for the SDSL connection�
������ 27.4���� Examples�������
28���� Exceptional designations���
������ 28.1���� Exceptional designations with intelligence in the serial number�������������
29���� Designation of optical transport networks�
������ 29.1���� General����������
������ 29.2���� Data transmission links�������������
������ 29.3���� Related information��
Annex A � Full examples for designation information����
������� A.1���� Full example for the designation information of a public switched telephone circuit�����
������� A.2���� Full example for the designation information of a leased analogue circuit���������
������� A.3���� Full examples for the designation information of a group and a group link interconnection����
������� A.4���� Full examples for the designation information of a digital block, digital path, data transmission system, blocks created between DCMEs, virtual containers and SDH multiplex section interconnections����
Annex B � KLM addressing and its relationship to time slot numbering for virtual containers����
������� B.1���� KLM addressing relationship to time slot numbering���
������� B.2���� KLM addressing of VC-4 occupancy�����
������� B.3���� Comparative notation of KLM addressing vs. time slot numbering��������
Annex C � Reference clause numbers for the various types of routes����
Annex D � Numbering of channels in data transmission systems����
Annex E � Notification form for List of ITU Carrier Codes����
Annex F � List of all ITU function codes����
Bibliography����