Specifications

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EN54 FIREFINDER PLUS INSTALLATION,COMMISSIONING & OPERATION
12.12 Communications Extender Board
The Communications Extender Board (BRD82LTB-C) is mounted inside the FACP and provides
protected RS485 communications and 27VDC to the SmartTerminal Termination Board/s and
LCD/s and LED Mimics.
CH16
CN18
RN17
RN20
LOOP COMMS
BRD82LTB2
TB1
TB4
M1
M2
CN2
CN5
CN4
COMMUNICATIONS EXTENDER BOARD
FACP MAIN
BOARD
RJ45
CABLE
TO AVAILABLE 27VDC
CONNECTOR (3 WAY)
SHIELDED COMMS CABLE
SHIELD
+24VDC
C15
C12
ZD2
ZD3
TH2
TH1
L2 L1
L6
RS485 OUT
COM
-
+
TO NEXT SmartTerminal
or LED MIMIC
0V
+24V
CN3
0V
IN
27VDC
IN OUT
OUT
CN20
Figure 89: Communications Extender Board PCB Layout
12.13 SmartTerminal
SmartTerminal connects to the FireFinder Plus Fire Alarm Control Panel (FACP) via the RS485
Communications Extender Board. Generally it is designed to be used anywhere where the status of
the FACP is required to be monitored by local personnel and limited control is required.
SmartTerminal has been designed for use with the FireFinder PLUS series of FACP’s.
 4 line by 40 character LCD with backlight and navigation buttons   buttons allow the
SmartTerminal to be used for FACP operation and interrogation. Note the backlight is only
energised when alarms are present, a key has been pressed or controls enable key switch is
enabled
 Buzzer and system Reset.
 System expansion capabilities / options:
 A wide range of secure user functions. This includes the ability to disable / re-enable a large
number of system functions.
 Flush or surface mountable enclosure.
 Controls have tactile and audible feedback of operation.
 All terminals cater for 2.5mm cables.
12.13.1 Overview
SmartTerminal consists of two PCBs;
1. SmartTerminal Termination Board. A Termination Board is mounted in each SmartTerminal
to protect and interface the RS485 communications and 27VDC supply to the LCD Board
2. BRD82ZICC – Control, LCD Communications and LCD Driver Board
Note: A maximum of 30 SmartTerminal’s may be connected to the communications bus over a
distance of approximately 1.2Kms