STU2071 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STU2071' PDF : 18 Pages View PDF
Figure 8: Burst Mode.
STU2071
LINE FRAME STRUCTURE.
The information flow across the subscriber line
uses the frame structure here below. The length
of one frame corresponds to 120 ternary symbols
being transmitted within 1 ms.
1
2
3
4
5
6
7
8
9
10 11 12
T1 T1 T1 T1 T1 T1 T1 T1 T1 T1 T1 T1
T1 T1 T1 T1 T1 T1 T1 T1 T1 T1 T1 T1 24
T1 T1 T1 T2 T2 T2 T2 T2 T2 T2 T2 T2 36
T2 T2 T2 T2 T2 T2 T2 T2 T2 T2 T2 T2 48
T2 T2 T2 T2 T2 T2 T3 T3 T3 T3 T3 T3 60 LT ⇒ NT
T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 72
T3 T3 T3 T3 T3 T3 T3 T3 T3 T4 T4 T4 84
T4 T4 T4 T4 T4 T4 T4 T4 T4 T4 T4 T4 96
T4 T4 T4 T4 T4 T4 T4 T4 T4 T4 T4 T4 108
T4
SW1
120
1
2
3
4
5
6
7
8
9
19 11 12
T5 T5 T5 T5 T5 T5 T5 T5 T5 T5 T5 T5
T5 T5 T5 T5 T5 T5 T5 T5 T5 T5 T5 T5 24
M2 T5 T5 T5 T6 T6 T6 T6 T6 T6 T6 T6 36
T6 T6 T6 T6 T6 T6 T6 T6 T6 T6 T6 T6 48
T6
SW2
60 NT ⇒ LT
T6 T6 T6 T6 T6 T6 T7 T7 T7 T7 T7 T7 72
T7 T7 T7 T7 T7 T7 T7 T7 T7 T7 T7 T7 84
T7 T7 T7 T7 T7 T7 T7 T7 T7 T8 T8 T8 96
T8 T8 T8 T8 T8 T8 T8 T8 T8 T8 T8 T8 108
T8 T8 T8 T8 T8 T8 T8 T8 T8 T8 T8 T8 120
Agenda:
T1. . . . . .T8
M1, M2
SW1, SW2
B + B + D - Data (ternary)
Service Data (ternary)
Synchronizing Word
9/18
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