BT8375 CONEXANT [Conexant Systems, Inc], BT8375 Datasheet - Page 306

• 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.5 E1 Frame Format
Figure A-3. E1 Format
A-8
8 Bits/
Time Slot
32 Time Slots/Frame
16 Frames/Multiframe
a. Even Frames (0, 2, 4–14)
b. Odd Frames (1, 3, 5–15)
I
I
0 0 1 1 0 1 1
1 A N N N N N
Time Slot 0
TS
FAS
0
FR
0
TS
1
A.5 E1 Frame Format
Figure A-3
TS
2
FR
1
TS
3
TS
4
FR
2
TS
5
TS
6
FR
3
TS
illustrates E1 format.
7
TS
8
FR
4
TS
9
TS
a. Frame 0
b. Frames 1–15
10
FR
5
Conexant
0 0 0 0 X Y X X
A B C D A B C D
TS
11
TS
12
MAS
FR
6
TS
13
Time Slot 16
TS
14
FR
7
TS
15
TS
16
FR
8
TS
17
Fully Integrated T1/E1 Framer and Line Interface
TS
18
FR
9
TS
19
TS
20
FR
10
TS
21
TS
22
FR
11
TS
23
TS
24
FR
12
TS
25
1 2 3 4 5 6 7 8
TS
26
Time Slots 1–15, 17–31
FR
13
TS
27
TS
28
Channel Data
FR
14
TS
29
Bt8370/8375/8376
TS
30
FR
15
TS
31
N8370DSE