Appendix A
CX28394/28395/28398
A.5 E1 Frame Format
Quad/x16/Octal—T1/E1/J1 Framers
A.5 E1 Frame Format
Figure A-3. E1 Format
Time Slot 0
a. Even Frames (0, 2, 4–14)
Time Slot 16
a. Frame 0
Time Slots 1–15, 17–31
I
0
0
1
1
0
1
1
0 0 0 0 X Y X X
FAS
MAS
Channel Data
b. Odd Frames (1, 3, 5–15)
A N N N N N
b. Frames 1–15
A B C D A B C D
8 Bits/
Time Slot
I
1
1
2
3
4
5
6
7
8
TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS
32 Time Slots/Frame
16 Frames/Multiframe
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR
10 11 12 13 14 15
0
1
2
3
4
5
6
7
8
9
A-8
Conexant
100054E
CONEXANT [ CONEXANT SYSTEMS, INC ]
