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Installation
Single Phone Jack Audio Circuit in Class A Configuration
Figure 2.12 illustrates a phone jack audio circuit (Class A) and SLC for Style 6 & 7 (Class A) con-
figuration.
+ SLC
- SLC
FFT
SLC -
+ SLC
Figure 2.12 Single Phone Jack Audio Circuit in Class A
22
+ Audio
- Audio
+ Audio
- Audio
14 15
0
ADDRESS
1
13
2
12
3
LOOP
11
4
10
5
9
6
9
8
7
8
TENS
ONES
ADDRESS
14 15
0
1
13
2
12
3
LOOP
11
4
5
10
9
6
9
8
7
8
TENS
ONES
ADDRESS
14 15
0
1
13
2
12
3
LOOP
11
4
10
5
9
6
9
7
8
8
TENS
ONES
3
1
2
2
1
3
TB2
TB1
FPJ-F
0 1
2
3
4
5
6
7
3
1
2
2
1
3
TB1
TB2
FPJ-F
0 1
2
3
4
5
6
7
3
1
2
2
1
3
TB1
TB2
0 1
2
FPJ-F
3
4
5
6
7
ECC-FFT Instruction Manual — P/N LS10031-000FL-E:B 9/4/2013
Audio Phone Circuit Installation
Contact EOL
Connected
Class A
Wiring
Caution
For system supervision-
For terminals 2 and 3, do not
use looped wire under
terminals. Break wire run to
provide supervision of
connections.
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