Dialogic 6.2 - Manual (Page 300)

Ground Start Signaling
November 2009 300
Figure 37. FXS Ground Start - Incoming Clear Timing Diagram
II
SD
N
SM
I M
ESSA
G
E
S
:
L4
L3mC
L
EAR
_
R
EQU
E
ST
L3
L4mD
ISC
O
N
N
E
C
T
L3L
4m
C
L
EAR
_R
E
Q
U
EST
II
S
D
N
T
IM
E
R
S
:
h
ook
ti
m
e
r_
onh
ook
_rl
s
h
ook
ti
m
e
r_
of
fh
o
o
k
_
in
s
e
iz
e
g
uar
d
_
in
te
rval
_
ti
m
er
ign_
in
s
z
_p
os
t_
rl
s
_
ti
mer
d
e
la
yed_
onh
ook
_t
im
e
r
h
ook
ti
m
e
r_
onh
ook
_rl
s
R
E
CE
IV
E
HO
OK
S
W
IT
CH,
FX
O:
A
Bi
t
B B
it
(
igno
red)
T
R
A
N
S
M
IT
H
O
O
K
S
W
IT
C
H
,
F
X
S
:
A
Bi
t
B B
it
N
O
T
E
:
Th
is
di
agr
a
m
i
s
de
s
ig
ned
t
o
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ive
th
e r
e
ade
r a
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ner
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l
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rs
ta
n
d
in
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th
e
s
equ
enc
e
of
ev
ent
s
f
o
r t
h
is
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o
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d
b
it
pr
o
toc
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ov
er
t
im
e
.
T
he
ti
mer
s
an
d
s
p
ac
ing
on
t
h
is
graph
ar
e
no
t
pr
op
or
ti
on
al
t
o
t
h
e
a
c
tual
eve
n
ts
t
h
a
t
oc
c
u
r.
R
e
vi
s
ed 10-
N
o
v-
9
8
R
e
vi
s
ion
1.
3
RECE
IV
ED BITS,
TR
ANSMITTED
Revise
d