RS8953 Conexant Systems, Inc., RS8953 Datasheet - Page 54

• Manufacturer Part Number: RS8953
• Description: High-bit-rate Digital Subscriber Line (hdsl) Channel unit
• Manufacturer: Conexant Systems, Inc.

3.0 Circuit Descriptions
3.5 HDSL Channel
Figure 3-17. 2E1 Frame Format
Figure 3-18. 3E1 Frame Format
3-22
S
Q
1
S
Q
1
S
Q
2
0
S
Q
2
0
MS
MS
S
W
7
YNC
S
W
ORD
Q
7
YNC
ORD
Q
1/392
1/584
1
H
O
H
Q
1
H
O
H
MS
Q
B
0
1
MS
B
0
1
12
B
0
2
B
0
2
12
CH3
CH1
CH2
X
CH1
CH2
X
48.5 = 582
72.5 = 870
B
1
2
1
Z
Z
Z
B
Q
N
N
N
B
1
2
1
Z
Z
Q
B
N
N
5
H
O
H
Q
5
H
O
H
8-
BYTE
BYTE
Q
BYTE
8
BYTE
B
1
3
BITS
BYTE
B
1
3
BITS
3
2
1
B
1
4
2
1
B
1
4
BYTE
BYTE
582
BYTE
BYTE
870
BYTE
6
5
97/784
2351
Q
4
4
Q
Conexant
3503
145/1168
3
B
3E1 F
NN
B
2
4
2E1 F
B
OR
BYTE
BYTE
B
2
4
BYTE
NN
OR
BYTE
MS
BYTE
2353
5
H
O
H
RAME
Q
9
5
H
O
H
3505
8
RAME
7
Q
6
MS
5
B
2
5
B
2
5
QUATS
QUATS
B
2
6
B
2
6
582
870
Q
BYTE
BYTE
BYTE
Q
BYTE
BYTE
B
3
6
34
36
35
B
3
6
36
35
5
H
O
H
Q
5
H
O
H
Q
LEGEND:
B
3
7
LEGEND:
B
3
7
B
HOH = HDSL
SQ
Z
B
3
8
N
NN
B
HOH = HDSL
SQ
B
3
8
NN
N
= Z B
N
= P
= S
= P
582
= S
870
AYLOAD
TUFF QUAT
ITS
AYLOAD
TUFF QUAT
Q
RS8953B/8953SPB
Q
1-48
OVERHEAD
B
4
8
“6-”
OVERHEAD
B
HDSL Channel Unit
B
4
8
“6-”
LOCKS
B
LOCKS
S
Q
1
6
0,2
S
Q
1
6
MS
0,2
MS
S
Q
2
Q
1-48
“6+”
(
S
Q
2
SW
Q
N8953BDSB
1-48
“6+”
,
S
W
EOC
YNC
S
W
ORD
YNC
ORD
,
CRC
...)