Mircom RAM-300LCD Series, Installation And Operation Manual

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7
3.0 Functional Setup
3.1 Jumpers
3.2 Potentiometer
VR1 is a potentiometer used for LCD contrast adjustment and is located in the top left corner
of the RAM-300LCD board.
Table 1 Jumpers
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
RESET
SIGNAL
SILENCE
FIRE
DRILL
BUZZER
SILENCE
LAMP
TEST
1
4
7
*
2
5
8
0
3
6
9
#
ENTER
MENU
CANCEL
INFO
ABC DEF
GHI JKL MNO
PRS
TUV
WXY
QZ
A.C. ON ALARM SUPV TRBL CPU FAIL
SYSTEM NORMAL
18:01 MON 2011-02-07
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.
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.
Figure 3 Annunciator Component Descriptions
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