Fire-Lite ECC-FFT Firefighters Telephone - Manual (Page 26)

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