�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�
������ 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���� 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����
������ 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�
������ 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���������
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����
AnnexB � 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����