Dialogic 6.2 - Manual (Page 294)

Ground Start Signaling
November 2009 294
Figure 33. FXO 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
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e
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of
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e
iz
e
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uar
d
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te
rval
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er
ign_
in
s
z
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os
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ook
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ook
_rl
s
R
E
CE
IV
E
HO
OK
S
W
IT
CH,
FX
S
:
A B
it
B B
it
T
R
A
N
S
M
IT
H
O
O
K
S
W
IT
C
H
,
F
X
O
:
A B
it
B B
it
(
igno
red)
N
O
T
E
:
Th
is
di
agr
a
m
i
s
de
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ig
ned
t
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ive
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e r
e
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ner
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l
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rs
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n
d
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e
s
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e
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ev
ent
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r t
h
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im
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he
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mer
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ing
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h
is
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ar
e
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or
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al
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t
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e
a
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tual
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h
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t
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u
r.
R
e
vi
s
ed 10-
N
o
v-
9
8
R
e
vi
s
ion
1.
3
RE
CEIVE
D BITS,
TRANSM
IT
TED
Revised
20-Oct-03
Rev 1.4