Preliminary
PBL 386 61/2
VBAT2
28
27
LP
5
DT
6
DR
7
VEE
8
REF
9
NU
10
PLC
11
26
4
3
2
1
RINGX
BGND
VBAT
TIPX
PSG
AOV
25
24
23
22
21
20
19
HP
NC*
TS
RRLY
VTX
AGND
RSN
PLD
12
VCC
13
NU
14
C2
15
C1
16
NC*
17
DET
18
*
Pins must be left open.
Figure 7. Pin configuration 28 pin PLCC package, top view.
SLIC Operating States
State
0
1
2
3
4
5
6
7
C3
0
0
0
0
1
1
1
1
C2
0
0
1
1
0
0
1
1
C1
0
1
0
1
0
1
0
1
SLIC operating state
Open circuit
Ringing state
Active state
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Active detector
Detector is set high
Ring trip detector (active low)
Loop detector (active low)
-
-
-
-
-
Table 1. SLIC operating states.
9
ERICSSON [ ERICSSON ]
