Functional Setup; Jumpers; Potentiometer - Mircom RAM-300LCD Series Installation And Operation Manual

Functional Setup

VR1
JW1, JW2, JW3 ARE
JW1
FOR FACTORY USE
JW2
LEAVE JUMPERS
JW3
JW2 AND JW3 IN
PLACE.
P2
THESE PINS ARE
FOR FACTORY USE
ONLY
24V IN/OUT
CUT JUMPER JW8 TO
MAKE RAM-300LCD AN
ANCILLARY DEVICE.

Jumpers

Jumper
JW1 FACTORY USE ONLY (JUMPER OFF)
JW2 FACTORY USE ONLY (JUMPER INSTALLED)
JW3 FACTORY USE ONLY (JUMPER INSTALLED)
CUT jumper to set the RAM-300LCD as an ancillary device. Use NP-2051 blank labels to
JW8 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.

Potentiometer

VR1 is a potentiometer used for LCD contrast adjustment and is located in the top left corner of the RAM-300LCD
board.
POTENTIOMETER FOR
LCD CONTRAST
ADJUSTMENT
18:01 MON 2007-04-05
SYSTEM
RESET
SIGNAL
SILENCE
FIRE
DRILL
BUZZER
SILENCE
LAMP
TEST
JW8
- +
ON
1 2 3 4 5 6 7 8
SW31
SW31 DIP Switch
for various
system functions
SYSTEM NORMAL
A.C. ON ALARM SUPV TRBL CPU FAIL
1
2 3
ABC DEF
4 5 6
GHI JKL MNO
7 8 9
TUV
PRS WXY
* 0 #
QZ
SW30 DIP Switch for annunciator
address setting. Valid addresses
1 to 7.
Jumper Function
RAM-300LCD Installation and Operation Manual
ENTER
MENU
CANCEL
INFO
P1
SW30
RS-485 IN/OUT
ON
+ - S
1 2 3 4
THIS
CONNECTOR IS
FOR FACTORY
USE ONLY
Place the 120 ohm
EOL resistor between
+ and - terminals of
the RS-485 on the
last annunciator
only.
3