BS 6328-8.1:2000

Committees responsible
Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
4 General
5 Connections
6 Service requirements
7 Information to be provided by the supplier
Annex A (normative) Test conditions
Annex B (normative) Tests for conformity specific to the
                    2 048 kbit/s service
Annex C (normative) Tests for conformity specific to the
                    8 448 kbit/s service
Annex D (informative) Performance characteristics of media
                      between the NTP and apparatus
Annex E (informative) Rationale for the derivation of the
                      output jitter requirement
Annex F (informative) Application of jitter planning rules
                      in simple point-to-point
                      configurations of apparatus
Annex G (informative) Recommended procedures for control of
                      jitter and wander
Bibliography
Figure 1 - Mask of the pulse at the 2 048 kbit/s interface
Figure 2 - Limit of tolerable jitter at the apparatus input
           port (not planning exempt) for 2 048 kbit/s
           service
Figure 3 - Limit of maximum tolerable jitter at the
           apparatus input port for 2 048 kbit/s service
Figure 4 - Mask of the pulse at the 8 448 kbit/s interface
Figure 5 - Limit of tolerable jitter at the apparatus input
           port (not planning exempt) for 8 448 kbit/s
           service
Figure 6 - Limit of maximum tolerable jitter at the
           apparatus input port for 8 448 kbit/s service
Figure B.1 - Test configuration for apparatus with wholly
             internal timing
Figure B.2 - Test configuration for apparatus with output
             signal timing reference to the input port
Figure B.3 - Test configuration for apparatus with output
             signal timing referenced to a specified external
             timing signal
Figure B.4 - Test of apparatus input port immunity to
             interference
Figure C.1 - Apparatus with wholly internal timing
Figure C.2 - Apparatus with output signal timing referenced
             to the input port
Figure C.3 - Apparatus with output signal timing referenced
             to a specified external timing signal
Figure C.4 - Test of apparatus input port immunity to
             interference
Table 1 - Service covered
Table 2 - Minimum return loss for 2 048 kbit/s service
Table 3 - Limits for maximum peak-to-peak jitter (not
          planning exempt) for 2 048 kbit/s service
Table 4 - Limits for maximum peak-to-peak jitter (planning
          exempt) for 2 048 kbit/s service
Table 5 - Minimum return loss for 8 448 kbit/s service
Table 6 - Limits for maximum peak-to-peak jitter (not
          planning exempt) for 8 448 kbit/s service
Table 7 - Limits for maximum peak-to-peak jitter (planning
          exempt) for 8 448 kbit/s service
Table 8 - Planning exemption categories according to service
          data rate and use as related to declared output
          signal timing as required by 7.1.7
Table F.1 - Application of jitter planning rules in simple
            point-to-point configurations of apparatus

Defines criteria for apparatus to be connected to particular private digital circuits in accordance with ITU-T G-series Recommendations. This section of BS 6328 refers to the connection of digital private circuits offering service data rates according to the ITU-T G-series.