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In-band Release Protocol
Table 8
Out-of-Band Release Protocol
Table 9
Signal Transmit
Line Build Out (LBO)
C
O
E
n I
B -
a
t S
p e
C
o
m
m
a
n
d
P
a
1
e S
d n
s
w
t i
h c
r
l e
a e
2
R
e
m
o
e v
a p
e t t
n r
t S
p e
C
O
E
n I
B -
a
n
C
o
m
m
a
n
d
P
a
t t
1
e S
d n
s
w
t i
h c
r
l e
a e
e s
2
R
e
m
o
e v
a p
e t t
n r
DS3
Feed
61190860L1-5B
Table 8. In-Band Protection Release Protocol
n
d
n I
B -
a
n
d
P
t a
e t
t t
r e
s n
e s
o c
e d
C
4 4
F
H
x e
Table 9. Out-Of-Band Protection Release Protocol
d
B
t i
r o
e i
t n
d e
D
t a
r e
s n
P
t a
e t
n r
o c
e d
0 0
0 1
1 0
0 1
1 1
1 1
Total Access 3000
H2TU-Cs
L2
MUX
Normal Operation
Auto-Protect Operation (Loop A Failure)
Figure 7. Total Access 3000 Auto-protect Switching
Section 61190860L1-5, Issue 2
9. AUTO-PROTECT OPERATION
n r
L
o
p o
a b
k c
R
l e
a e
e s
C
d o
l S
t o
s i
e r
u t
n r
d e
o t
n
r o
l a
n i
k
1 1
1 1
e P
f r
r o
m
s
w
t i
h c
a b
k c
l S
t o
s i
e r
u t
n r
d e
o t
Pro-Cap
Remote
Units
D
4
R4
C
3
R3
B
2
R2
A
1
R1
Figure 7
C
o
t n
o r
l l
r e
C
a
d r
. e
e P
f r
r o
m
s
w
t i
h c
a b
k c
5
m
l a
p o
r e
t a
o i
. n
C
o
t n
o r
l l
r e
C
a
d r
a
t f
r e
4
c
n o
e s
u c
i t
e v
m
s e
a s
n
r o
m
l a
p o
r e
t a
o i
. n
CPE
s
c e
n o
s d
t a l
. r e
e g
r s
c e
i e
e v
. d
11
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