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Audio Phone Circuit Installation
Single Phone Jack Audio Circuit in Class B Configuration
Figure 2.11 illustrates a single phone jack configuration wiring the audio circuit and SLC for Class
B Configuration. Audio circuits must be connected to FFT phone out terminals for all Class B
audio configurations.
+ Audio
- Audio
+ SLC
- SLC
FFT
Figure 2.11 Single Phone Jack Audio Circuit in Class B
ECC-FFT Instruction Manual — P/N LS10031-000FL-E:B 9/4/2013
ADDRESS
14 15
0
0 1
1
13
2
2
12
3
3
LOOP
11
4
4
5
5
10
6
6
9
9
8
7
8
7
TENS
ONES
ADDRESS
14 15
0
0 1
1
13
2
2
12
3
3
LOOP
11
4
4
10
5
5
9
6
9
6
8
7
8
7
TENS
ONES
ADDRESS
14 15
0
0 1
1
13
2
2
12
3
3
LOOP
11
4
4
10
5
5
9
6
9
6
8
7
8
7
TENS
ONES
3
1
2
2
1
3
TB1
TB2
FPJ-F
Caution
For system supervision-
3
1
For terminals 2 and 3, do not
use looped wire under
2
2
terminals. Break wire run to
1
3
provide supervision of
TB1
TB2
connections.
FPJ-F
4.7K, 1/2 watt ELR
3
1
(install on last device for
Style Y [Class B]
2
2
telephone circuit only)
1
3
TB1
TB2
FPJ-F
Installation
Contact EOL
Connected
Connected
Not Connected
21
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