10
Wiring
The RAM-300LCD is wired as shown below. Additional RAM-300LCDs are wired in the same
manner, make sure
ONLY
the last RAM-300LCD has the 120 ohm E.O.L. resistor connected
to the RS-485 positive and negative terminals.
-
24
V
IN
/O
UT
+
+
-
S
RS
-4
85
IN
/O
U
T
+
-
S
RS
-4
85
+
-
-
24
V
IN
/O
UT
+
+
-
S
RS
-4
85
IN
/O
UT
RAM-300LCD
ADDRESS 1
RAM-300LCD
ADDRESS 2
FA-300 FIRE
ALARM PANEL
MAKE SURE
THERE IS A
120 OHM E.O.L.
ON THE LAST
RESISTOR
B AND -
ANNUNCIATOR
ONLY
AU
X
SU
PPLY
Figure 4 RAM-300LCD Wiring
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Summary of Contents for RAM-300LCD Series
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