ETS 300 945 : 20007
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
Foreword
1 Scope
2 Normative references
2.1 Abbreviations and definitions
3 General approach
3.1 Overview of the multislot data rates
4 The RA0 Function
4.1 Asynchronous-to-Synchronous Conversion (RA0)
4.2 Break signal
4.3 Overspeed/Underspeed
4.4 Parity Bits
4.5 Flow Control
5 The RA1 Function
5.1 Adaptation of synchronous data rates up to
38,4 kbit/s
6 The RA1ÆÆ function
6.1 Rate adaptation of 48 kbit/s user rates
with DTE/DCE status to 64 kbit/s
6.2 Rate adaptation of 56 kbit/s user rate to
64 kbit/s
7 The RA2 Function
8 The RA1/RA1' Function
8.1 Single slot rates
8.2 Multislot rates
9 The RA1' Function
9.1 Synchronous user rates up to 9,6 kbit/s
9.2 Synchronous user rates from 9,6 kbit/s
onward; TCH/F9.6/4.8 channel codings
9.3 Synchronous user rates from 9,6 kbit/s
onward; TCH/F14.4 channel coding
10 The Split/Combine and Padding-functions
10.1 Data frame distribution into the
substreams/channels by the Split/Combine
function
10.2 Substream numbering in transparent operation
10.3 Initial Substream Synchronisation for
TCH/F9.6 and TCH/F4.8 channel codings
10.4 Action on loss of synchronisation
10.5 Network independent clocking
10.6 Padding TCH/F frames when the AIUR
is not a multiple of 9,6 or 4,8 kbit/s
11 Support of Non-Transparent Bearer Services
11.1 Support of non-transparent operation
for TCH/F9.6 and TCH/F4.8 channel codings
11.2 Support of non-transparent operation for
TCH/F14.4 channel coding
12 Figures on Frame structures
Annex A (informative): Stacks of rate adaptation
Annex B (informative): An example of mapping Network
Independent Clocking information for
TCH/F14.4 when the S-interface is deployed:
Annex C (informative): Change history
History
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