MAN1565-4
44
EV20 Cabling
Note:
“WARNING SYSTEM” is a monitored O/P. The EOL is on board the EV20 and is effectively made to be O/C
(at TB1) during an EV20 fault condition. This produces the fault condition at the FACP.
2 CORE AUDIO TERMINATED ONE END
WITH 3 WAY PANDUIT CONNECTOR
+27V
SHEILD
2 CORE AUDIO FITTED WITH
3 WAY PANDUIT CONNECTORS
RED
BLACK
GREY
WHITE
A
PI
-7
1
8
C
N
1
C
N
2
C
N
3
RL1
8
9
C
A
10
11
12
1
2
3
4
5
6
7
B
SW1
0V
Pi
n1
+27V
Pi
n
2
Sh
ie
ld
P
in
3
Sig
n
a
l P
in
1
Shield
Signal
(Red)
VERBAL MESSAGE
BOARD PLACEMENT
F1 1A
GN
D
O
U
T
IN
AUDIO
TO VERBAL
MESSAGE
BOARD
FAULT
+
I
N
-
COM
EV
D
C
-
DC+
3
4
1
2
AM
P
AC
T
IM
E
R
B
R
D
4
2
E
T
G
-0
1
O
/P
T
O
N
E
V
O
IC
E
CN2
CN1
CN3
RV1
RV2
S
W
1
C
1
4
TB1
T
X
1
5 WAY
PANDUIT
EVAC/ALERT
CONTROL
PUBLIC ADDRESS
PRE-AMP
NOTE: IF THE P.A. OPTION
IS NOT FITTED. FIT LINK ACROSS
CN3 PINS 1(IN) AND PIN 2(OUT)
SYSTEM POWER
WARNING SYSTEM
-0V
FireFinder Brigade BRD
ZoneSense Plus
TB5/1 TB5/2
PANEL (Power)
TERMINAL No
FireFinder Brigade BRD
ZoneSense Plus
TB2/1 TB2/2
CN10/1 CN10/2
PANEL (O/P)
TERMINAL No
47K
+
-
PANEL CONNECTIONS
5 WAY CABLE
MESSAGE CONTROL
FRONT PANEL
CN2
D090 PHILIPS
ON
1
2
3
4
TX1
TX2
RV1
LED1
O/P
O/P
A
P
I-
475
/2
O/
P
O/
P
TB1
CN1
CN3
E
T
H
MIC I/P
Shield
- + + -
IF THE OPTION IS USED THE BOARD
IS MOUNTED ON STANDOFFS
ONTO THE MAIN BOARD IN THE
POSITION INDICATED ABOVE
FRONT PANEL PCB
Sig
n
a
l P
in
2
TONE
VOLUME
NOTE: "WARNING SYSTEM" IS A
MONITORED FACP O/P.
THE EOL IS ONBOARD THE EV20
AND IS EFFECTIVELY MADE TO BE
O/C (AT TB1) DURING AN EV120
FAULT CONDITION.
THIS PRODUCES THE FAULT
INDICATION AT THE FACP
THE ALERT & EVAC OUTPUT
LEVELS ARE SET BY ADJUSTING
RV1 & RV2 RESPECTIVELY
FOR 100VAC.
VOICE
VOLUME
ISOLATE
LINE FAULT
CN2
CTRL
1
1
1
T
O
E
V
A
C
D
IS
A
B
L
E
E
N
A
B
L
E
R
E
C
O
R
D
IN
G
R
E
C
O
R
D
A
U
D
IO
I
N
A
M
P
A
C
1
2
/0
1
/1
1
B
R
D
4
2
VO
M2
-
U3
U2
U4
U1
R1
5
R
1
4
R1
3
R1
2
R1
1
R
1
0
R9
R8
R7
R6
R5
R4
R3
R2
R1
CN2
C
1
0
C9
C8
C7
C6
C5
C4
C3
C2
C1
C1
1
C
1
2
C
1
3
C
1
4
C
1
5
C1
6
C
1
7
CN3
CN4
R
1
6
R1
7
R
1
8
S
W
1
CN1
R
1
9
LoopSense
CN8/1 CN8/2
LoopSense
TB3/7 TB3/8
TB4/3 TB4/4
Figure 35 EV20 Wiring to Control Module, FACP Cabling and Time Out Table