BT8375 CONEXANT [Conexant Systems, Inc], BT8375 Datasheet - Page 304

• Manufacturer Part Number: BT8375
• Description: single chip transceivers for T1/E1 and Integrated Service Digital Network (ISDN) primary rate interfaces
• Manufacturer: CONEXANT [Conexant Systems, Inc]

Appendix A
A.4 Extended Superframe Format (ESF)
Table A-4. Extended Superframe Format
A-6
Note:
1. FPS indicates the Framing Pattern Sequence (...001011...).
2. DL indicates the 4 kbps Data Link with message bits m.
3. CRC indicates the cyclic redundancy check with bits C1 to C6.
4. Signaling options include 16-state, 4-state, and 2-state.
Frame #
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
1158
1351
1544
1737
1930
2123
2316
2509
2702
2895
3088
3281
3474
3667
3860
4053
4246
4439
Bit #
193
386
579
772
965
0
FPS
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
1
0
1
1
F-Bits
DL
—
—
—
—
—
—
—
—
—
—
—
—
m
m
m
m
m
m
m
m
m
m
m
m
Conexant
CRC
—
C1
—
—
—
C2
—
—
—
C3
—
—
—
C4
—
—
—
C5
—
—
—
C6
—
—
Fully Integrated T1/E1 Framer and Line Interface
Traffic
Bit Use in Each
1–8
1–8
1–8
1–8
1–8
1–7
1–8
1–8
1–8
1–8
1–8
1–7
1–8
1–8
1–8
1–8
1–8
1–7
1–8
1–8
1–8
1–8
1–8
1–7
Time Slot
Signal
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
8
8
8
Bt8370/8375/8376
16
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Signaling Channel
A
B
C
D
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4
A
B
A
B
N8370DSE
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A
A
A
A
2