Specifications

RAM-300LCD Installation and Operation Manual
3
Functional Setup
Jumpers
Potentiometer
VR1 is a potentiometer used for LCD contrast adjustment and is located in the top left corner of the RAM-300LCD
board.
Jumper Jumper Function
JW1 FACTORY USE ONLY (JUMPER OFF)
JW2 FACTORY USE ONLY (JUMPER INSTALLED)
JW3 FACTORY USE ONLY (JUMPER INSTALLED)
JW8
CUT jumper to set the RAM-300LCD as an ancillary device. Use NP-2051 blank labels to
cover the System Reset, Signal Silence, Fire Drill, Enter, Menu and Cancel buttons for the
Ancillary Device Feature. Only Buzzer Silence, Lamp Test and Info are used.
SYSTEM
RES ET
S IGNAL
SILENCE
FI R E
DRI LL
BUZZER
SILENCE
LA M P
TEST
1
4
7
*
2
5
8
0
3
6
9
#
ENTER
ME N U
CANCEL
INFO
ABC DEF
GHI JKL MNO
PRS
TUV
WXY
QZ
A.C. ON ALARM SUPV TRBL CPU FAIL
SYSTEM NORMAL
18:01 MON 2007-04-05
24V IN/OUT
1 2 3 4 5 6 7 8
ON
1 2 3 4
ON
VR1
JW1
JW2
JW3
P2
P1
SW30
SW31
+- S
RS-485 IN/OUT
SW31 DIP Switch
for various
system functions
JW1, JW2, JW3 ARE
FOR FACTORY USE
LEAVE JUMPERS
JW2 AND JW3 IN
PLACE.
POTENTIOMETER FOR
LCD CONTRAST
ADJUSTMENT
THESE PINS ARE
FOR FACTORY USE
ONLY
THIS
CONNECTOR IS
FOR FACTORY
USE ONLY
CUT JUMPER JW8 TO
MAKE RAM-300LCD AN
ANCILLARY DEVICE.
JW8
- +
SW30 DIP Switch for annunciator
address setting. Valid addresses
1 to 7.
Place the 120 ohm
EOL resistor between
+ and - terminals of
the RS-485 on the
last annunciator
only.