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Fire-Lite ECC-FFT Firefighters Telephone User Manual

Page 26

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26

ECC-FFT Instruction Manual — P/N LS10031-000FL-E:B 9/4/2013

Installation

Audio Phone Circuit Installation

TB1

TB2

3

2
1

1
2

3

TB1

TB2

3
2

1

1
2

3

TB1

TB2

3

2
1

1
2

3

SL

C

PH

O

N

E

PH

O

N

E

OU

T

OU

T

IN

IN

SL

C

- +

-

+

-

+

-

+

Figure 2.16 Telephone Jack Only Audio Circuit in Class A

+ Audio
- Audio
+ Audio
- Audio

Caution
For system supervision-
For terminals 2 and 3, do not
use looped wire under
terminals. Break wire run to
provide supervision of
connections.

FPJ-F

FPJ-F

FPJ-F

FFT

Class A
Wiring