7

Frame Counter

DATA BITS

FRAME LENGTH

(BIT PERIODS)

PIN WORD

26

L

L

H

L

H

37

L

L

H

H

L

4

8

L

L

HHH

5

9

L

H

LLL

610

L

H

L

L

H

711

L

H

L

H

L

812

L

H

L

H

H

913

L

H

H

L

L

10

14

L

H

H

L

H

11

15

L

H

H

H

L

12

16

L

HHHH

13

17

H

L

L

L

L

14

18

H

L

L

L

H

15

19

H

L

L

H

L

16

20

H

L

L

H

H

17

21

H

L

H

L

L

18

22

H

L

H

L

H

19

23

H

L

H

H

L

20

24

H

L

H

H

H

21

25

H

H

L

L

L

22

26

H

H

L

L

H

23

27

H

H

L

H

L

24

28

H

H

L

H

H

25

29

H

H

H

L

L

26

30

H

H

H

L

H

27

31

H

H

H

H

L

28

32

H

HHHH

NOTE:

1. The above table demonstrates all possible combinations of frame lengths ranging from 6 to 32 bits. The pin word described here is com-

mon to both the Encoder and Decoder.

HD-15531