LUCL9313AP-D AGERE [Agere Systems], LUCL9313AP-D Datasheet - Page 11

• Manufacturer Part Number: LUCL9313AP-D
• Description: Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications
• Manufacturer: AGERE [Agere Systems]

September 2001
Operating States
Input State Coding
Table 3. Supervision Coding
State Definitions
Primary Control Modes
Powerup, Forward Battery
Agere Systems Inc.
0 = off-hook or ring trip
1 = on-hook and no ring trip
Normal talk and battery feed state.
Pin PT is positive with respect to pin PR.
All ac transmission and dc feed circuits are powered
up.
On-hook transmission is enabled.
Thermal shutdown is active.
Battery window comparator sense shutdown is on.
Switch break switches (SW1 and SW2) are closed;
and ring access switches (SW3 and SW4) are open.
V
tions.
Automatic battery switch selects V
ing off-hook conditions.
All supervision circuits except for ring trip detector
are active.
NSTAT represents the loop closure detector status.
BAT1
is applied to tip and ring during on-hook condi-
Pin NSTAT
(continued)
(continued)
0 = ring ground
1 = no ring ground
Pin TRGDET
BAT1
Full-Feature SLIC and Ringing Relay for TR-57 Applications
or V
BAT2
dur-
Powerup, Reverse Battery
Scan
Normal talk and battery feed state.
Pin PR is positive with respect to pin PT.
All ac transmission and dc feed circuits are powered
up.
On-hook transmission is enabled.
Thermal shutdown is active.
Battery window comparator sense shutdown is on.
Switch break switches (SW1 and SW2) are closed;
and ring access switches (SW3 and SW4) are open.
V
tions.
Automatic battery switch selects V
off-hook conditions.
All supervision circuits except for ring trip detector
are active.
NSTAT represents the loop closure detector status.
Scan clamp circuitry is active.
Loop closure is active.
All ac transmission, dc feed, and other supervision
circuits, including ring trip, are shut down.
PPM and test are powered down.
Thermal shutdown is active.
Battery window comparator sense shutdown is on.
On-hook transmission is disabled.
Pin PT is positive with respect to PR and V
applied to tip/ring.
Switch break switches (SW1 and SW2) are closed;
and ring access switches (SW3 and SW4) are open.
NSTAT represents the loop closure detector status.
BAT1
is applied to tip and ring during on-hook condi-
BAT1
or V
BAT2
BAT1
under
is
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