Data Sheet
February 2001
L7583A/B/C/D Line Card Access Switch
Application
VBAT
(REFERENCE)
RINGING
TEST RETURN
SW5
SW9
TEST OUT
SW7
RINGING
RETURN
SW1
TEST IN
R1
TIP
TIP
SW3 BREAK
SCR
AND
TRIP
CKT
BATTERY
FEED
CROWBAR
PROTECTION
BREAK SW4
RING
R2
RING
SW10
TEST OUT
SW8
RINGING
ACCESS
SW2
TEST IN
SW6
RINGING TEST
RING
GENERATOR
BATTERY
12-2366.d (F)
Figure 7. Typical LCAS Application, Idle, or Talk State Shown (A/C-Type Internal Protection Shown)
Lucent Technologies Inc.
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