PSB4596 Siemens Semiconductor Group, PSB4596 Datasheet - Page 75

• Manufacturer Part Number: PSB4596
• Description: Analog Line Interface Solution ALIS
• Manufacturer: Siemens Semiconductor Group

9.8.9
The following chart and diagram shows an unsuccessful flow of a ring-event detection
because ringing is below the ring threshold level with an automatic power-mode change
(No_auto_ring = 0, RM = 1).
Figure 34 Unsuccessful Ring Sequence, No_auto_ring = 0
Semiconductor Group
Line:
Mode:
Counter:
Interrupt:
Unsuccessful Ring Sequence, Auto Ring Enabled
sleep
hook
on
VDD_ok
ringcounter
1st ring
ringing
VDD_ok
75
Analog Line Interface Solution
on hook
sleep
PSB 4595 / PSB 4596
Operating Modes
Data Sheet 06.98