BS 7378-1:1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface General requirements
Hardcopy , PDF
02-08-2013
English
15-10-1997
Committees responsible
Foreword
Specification
1 Scope
2 Definitions and abbreviations
3 General
4 Connection
5 Physical Interface
6 Call control signalling
7 Marking
8 Information to be provided by the supplier
Appendices
A Test procedures
B Encoding information
C Recommended procedures for control of jitter and wander
D Rationale for the derivation of the output jitter
requirement
E Connection characteristics for indirect connection to
the 2048 kbit/s service
F Illustration of the interpretation of figure 6
G Relationship between this standard and PD 7004: 1995
Tables
1 Limits for maximum peak-to-peak jitter
2 Minimum return loss
3 Output jitter requirements clauses: planning exemption
categories as related to declared output signal
timing as required by 8.1.7
4 Rejecting and clearing causes
5 Character coding
G.1 Relationship between this standard and PD 7004: 1995
Figures
1 Input jitter tolerance
2 Generalized DASS 2 call control procedures
3 Outline of generalized DASS 2 call control protocol
showing the sequences of messages between the call
originating apparatus and the network and call
terminating apparatus and the network, for call set-up
4 Outline of generalized DASS 2 call control protocol
showing the sequences of messages between the call
originating apparatus and the network and call
terminating apparatus and the network, for service
swap, call clearance (calling party clears) and call
clearance (called party clears)
5 Mask of the pulse at the 2048 kbit/s interface
6 Call control message signalling sequences relating
to circuit switched connections
7 Call control message signalling sequences for tie-line
connections
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