1 - PRELIMINARY INFORMATION
Fig. 1.10
1
P
9
O
H
1
12
8 I
96 I
CRRRRROO
9
W
BLOCK 1
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1
8 R
96 I
8 R
9
Y
Y
BLOCK 11
BLOCK 12
= RRRRRR C1 C2
1-22
Loading a 140 Mbit/s signal into a VC-4
260
C-4
9 LINES X 13 COLUMNS X 20 BLOCKS
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1
96 I
8 R
96 I
8 R
X
Y
Y
BLOCK 2
BLOCK 3
BLOCK 4
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1
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96 I
8 R
96 I
CRRRRROO
Y
X
BLOCK 13
BLOCK 14
I = INFORMATION BIT
R = FIXED STUFFING
S =STUFFING OPPORTUNITY
O = OVERHEAD BIT (=R)
C = STUFFING MESSAGE
VC-4
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1
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96 I
8 R
96 I
CRRRRROO
96 I
Y
X
BLOCK 5
BLOCK 6
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96 I
8 R
96 I
8 R
96 I
8 R
Y
Y
Y
BLOCK 15
BLOCK 16
BLOCK 17
CCCCC = 00000 : S=I
CCCCC = 11111 : S=R
W = IIIIIIII
X = CRRRRROO
Y = RRRRRRRR
Z = IIIIIISR
SRA 4 - 6/7/8/10/11/13 GHz (WB ODU) - UMN
1
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1
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1
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8 R
96 I
8 R
96 I
8 R
96 I
Y
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BLOCK 7
BLOCK 8
BLOCK 9
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96 I
96 I
CRRRRROO
8 R
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BLOCK 18
BLOCK 19
911-381/02C0000 - Issue 3, July 2004
1
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96 I
CRRRRROO
X
BLOCK 10
1
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96 I
IIIIII
SR
Z
BLOCK 20