Multi-Phone Jack Audio Circuit In Class A Configuration - Fire-Lite ECC-FFT Instruction Manual

Firefighter’s telephone
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Installation

Multi-Phone Jack Audio Circuit in Class A Configuration

Figure 2.14 illustrates how to wire the Multi-Phone Jack audio circuit (Class A) and SLC for Style
6 & 7 (Class A) configuration. In the Multi-Phone Jack configuration, the maximum Mini-Monitor
Contact wiring resistance between to first and last FPJ-F must be less that 100 ohms.
+ Audio
- Audio
+ Audio
- Audio
+ SLC
- SLC
+ SLC
- SLC
FFT
Figure 2.14 Multi-Phone Jack Audio Circuit in Class A
24
Contact EOL
Disconnected
3
3
1
1
2
2
2
2
1
1
3
3
TB2
TB1
TB2
TB1
FPJ-F
FPJ-F
ADDRESS
14 15
0
0 1
1
2
2
13
12
3
3
LOOP
11
4
4
10
5
5
9
6
9
6
8
7
8
7
TENS
ONES
Contact EOL
Connected
3
1
2
2
1
3
TB2
TB1
FPJ-F
Contact EOL
Disconnected
3
1
2
2
1
3
TB2
TB1
FPJ-F
14 15
0
ADDRESS
1
13
2
12
3
11
4
10
5
6
9
8
7
TENS
ECC-FFT Instruction Manual — P/N LS10031-000FL-E:B 9/4/2013
Audio Phone Circuit Installation
Caution
For system supervision-
For terminals 2 and 3, do not
use looped wire under
terminals. Break wire run to
provide supervision of
connections.
Contact EOL
Connected
3
1
1
2
2
2
1
3
3
TB2
TB1
TB2
FPJ-F
FPJ-F
0 1
2
3
LOOP
4
5
6
9
8
7
ONES
3
2
1
TB1

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