Fire-Lite ECC-FFT Firefighters Telephone - Manual (Page 24)

24 ECC-FFT Instruction Manual — P/N LS10031-000FL-E:B 9/4/2013
Installation Audio Phone Circuit 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.
0
10
11
12
13
14 15 ADDRESS
LOOP
1
2
3
4
TENS ONES
6 7 8 9
5
0 1
2
3
4
6 7 8 9
5
0
10
11
12
13
14 15 ADDRESS
LOOP
1
2
3
4
TENS ONES
6 7 8 9
5
0 1
2
3
4
6 7 8 9
5
TB1 TB2
3
2
1 1
2
3
TB1 TB2
3
2
1 1
2
3
TB1 TB2
3
2
1 1
2
3
TB1 TB2
3
2
1 1
2
3
TB1 TB2
3
2
1 1
2
3
TB1 TB2
3
2
1 1
2
3
SLC
PHO
N E
PH
O N E
OU
T
OUT
IN
IN
SL
C
-
+
-
+
-
+
-
+
+ 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
FPJ-F FPJ-F FPJ-F
Contact EOL
Connected
Contact EOL
Disconnected
Contact EOL
Disconnected
Contact EOL
Connected
Figure 2.14 Multi-Phone Jack Audio Circuit in Class A
+ SLC
- SLC
+ SLC
- SLC