n
Connecting a Repeater
Connect the
24V
,
–
,
+
and
M
terminals to the respecti-
ve terminals on the Main Board of the Control panel, as
shown in Figure 17.
+
The maximum wire length connected the RS485
terminals of the Control panel must not exceed
1000 metres.
Connect the
-
terminal of the Repeater to the Main
Earth wire.
32
Conventional Fire Panels
J424/J408
24V
RS4
85
24V
RS485
24V
RS485
24V
RS485
24V
RS485
M
ain
boar
d
Repeater panel
Repeater panel
Repeater panel
Repeater panel
Connect
to the earth
conductor
Figure 17
Wiring diagram of a Repeater connection
–
+
–
+
NA
C1
FIRE
ALARM
–
+
FIRE
ALARM
–
+
HO
R
N
ST
RO
B
E
NA
C2
Ou
tdo
or
horn
strobe
M
ai
n
boar
d
114
114
114
Fire bell
Fire bell
Warning lamp
114
114
114
Warning lamp
109
109
Figure 18
Wiring diagram of Signalling devices:
109)
3900 ohm, 1/4 W EOL Resistor (orange-white-red-gold);
114)
1N4007 Diode or similar
Summary of Contents for J408
Page 1: ...INSTALLATION MANUAL CONVENTIONAL F I R E PA N E L S 424 408...
Page 17: ...IDENTIFICATION OF PARTS 17 C N O N C 36 35 b...
Page 29: ...USER S INSTRUCTIONS CONVENTIONAL F I R E PA N E L S 424 408...
Page 52: ...44 Conventional Fire Panels J424 J408...
Page 61: ...QUICK GUIDE 53...
Page 62: ...54 Conventional Fire Panels J424 J408...
Page 63: ...QUICK GUIDE 55...
