RS8953SPBEPF View Datasheet(PDF) - Conexant Systems
Part Name
Description
MFG CO.
'RS8953SPBEPF' PDF : 173 Pages View PDF
3.0 Circuit Descriptions
3.5 HDSL Channel
Figure 3-17. 2E1 Frame Format
RS8953B/8953SPB
HDSL Channel Unit
2E1 FRAME
3503 OR 3505 QUATS
7Q 1Q 12 X 72.5 = 870Q 5Q
SS
QQ
12
SYNC
WORD
H
O
H
B
0
1
B
0
2
BHBB
1 O1 1
2 H3 4
870Q
5Q
BHBB
2 O2 2
4 H5 6
870Q
5Q
BHBB
3 O3 3
6 H7 8
870Q
0,2Q
BSS
4 QQ
812
SYNC
WORD
1/584 MS
0 MS
CH1
CH2
ZN BYTE1
1B 8 BITS
BYTE3
BYTE5
ZN BYTE2
BYTE4
BYTE6
BNN
145/1168 MS
“6-” “6+”
BYTE35
BYTE36
6 MS
LEGEND:
BNN = PAYLOAD BLOCKS 1-48
HOH = HDSL OVERHEAD
SQN = STUFF QUAT
Figure 3-18. 3E1 Frame Format
3E1 FRAME
2351 OR 2353 QUATS
7Q 1Q 12 X 48.5 = 582Q 5Q
SS
QQ
12
SYNC
WORD
H
O
H
B
0
1
B
0
2
BHBB
1 O1 1
2 H3 4
582Q
5Q
BHBB
2 O2 2
4 H5 6
582Q
5Q
B HB B
3 O3 3
6 H7 8
582Q
0,2Q
BSS
4 QQ
812
SYNC
WORD
1/392 MS
0 MS
CH1
CH2
ZN BYTE1
1B 8-BITS
BYTE4
BYTE7
ZN BYTE2 BYTE5
BYTE8
CH3
ZN BYTE3 BYTE6
BYTE9
BNN
97/784 MS
“6-” “6+”
BYTE34
BYTE35
6 MS
LEGEND:
BNN = PAYLOAD BLOCKS 1-48
HOH = HDSL OVERHEAD (SW,EOC,CRC...)
SQN = STUFF QUAT
ZN = Z BITS 1-48
BYTE36
3-22
Conexant
N8953BDSB
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