Tesis previa a la obtención del Título de Ingeniero en Electrónica y ...

TABLE B.1/H.221
Transmitter of the 64 kbit/s terminal
Bit nuraber
1 2 3 4 5 6 7 (SC) 8
S
u
b
-
c
h
a
n
n
e
1
#
1
S
u
b
-
c
h
a
n
n
e
1
#
2
S
u
b
-
c
h
a
n
n
e
1
#
3
S
u
b
-
c
h
a
n
n
e
1
#
4
S
u
b _
c
h
a
n
n
e
1
#
5
S
u
b
-
c
h
a
n
n
e
1
#
6
FAS
BAS
(ECS)
#
7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 Octet number
:
8
9
16
17
:
24
25
NOTE- Cl, C2, C3 and G4 ¡n the FAS arecomputedforthe 160 septets.or 1120 bits.
A frame
structured
by the
56 kbit/s
terminal
Receiver of the 64 kbit/s terminal
Bit number*'
1 2 3 4 5 6 7 8
s
u
b -
c
h a
n
n
e
1
#
3
s
u
b
-
c
h
a
n
n
e
1
#
4
s
u
b
-
c
h
a
n
n
e
1
#
5
s
u
b
-
c
h
a
n
n
e
1
#
6
pb)
A
S
B
A
S
#7
•
80
s
u
b
-
c
h
a
n
n
e
I
#
1
*) Synchronized with the octet tirning of the network.
b' FAS may appear at any of Bit number 1-7.
s
u
b
-
c
h
a
n
n
e
!
#
2
Recommendation H.221 (03/93) 27
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1