General Procedures / Information
6-90 12/04 FaxCentre F110
Figure 2
Figure 3
CLI Services
To signal a CLI service transmission start, during CLI service handling, the terminal equipment
has to draw a current pulse from the network (Wetting Pulse) by activating PD.
(see HOOK Signal Description)
offhook (internal)
line
DC-voltage
- 40V
0V
+ 40V
LIU_RING
LIU
HOO
LIU_PD
INTLOOP
LIU_CURMOD
Break
Make
Pulse Dial
Digit '3'
Flash
dial_digit_time
inter_digit_time
# '3'
(3 x dial_time)
# '2'
(2 x dial_time)
break make
PD
Loop Current
[mA]
Valid Loop Current
min. Loop Current
threshold
Idle Loop Current
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