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14 High Level Interfacing
14.1 High Level Interface Expander (BRD43SPB)
The High Level Interface Expander (BRD43SPB) consists of a serial port under the control of a
microcontroller. Communications between the FACP and this board is via the RS485 control bus with
each board having a dedicated link and selectable 4 bit address.
The Serial/Parallel Board consists of serial ports, a parallel port and an Ethernet port all under the
control of a microcontroller.
The parallel port supports a standard printer.
The Ethernet port provides an additional option to print to an Ethernet printer.
The serial port (RS232) has the capability to support a GSM Modem.
Figure 125: High Level Interface Expander PCB Layout
Software
The Serial/USB port supports the following protocols:-
HLI – Functionality matches the FireFinder PLUS panel which supports text or positive ack protocol.
Configurable attributes are: logical output, physical output, alarm output, pre-alarm output, fault output,
isolate output and descriptors
SmartGraphics interface - Serial Port or RS485 Port
MODBUS interface - Serial Port or RS485 Port
EV3000 - RS485 port
SMS capability via GSM modem - Serial or USB port
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