Notifier Honeywell UDS-4N

UDS-4 Installation and user manual PAGE - 13
UDS-4_manu M--203.1-UDS4N-ENG Rev A.1 NOTIFIER ITALIA
LED signalling on the circuit board
The description of the LEDs is summarised in the following table:
Indication
Colour
Description
Led
Power supply present
Green
Presence of power supply to the control unit.
LD1
Card fault
Yellow
Fault of any kind related to the board.
LD13
Dispersion
Yellow
Indicates a ground fault.
LD14
USB OK
Green
indicates correct operation on the USB port.
LD15
USB KO
Red
indicates incorrect operation on the USB port.
LD16
Loop Module Failure
Yellow
Fault status of the Loop Module section.
LD20
Loop Module Alarm
Red
Alarm status of the Loop Module section.
LD21
Com. Side B Loop Module
Yellow
Communication status Side B of the Loop Module.
LD22
Com. Side A Module Loop
Yellow
Communication status Side A of the Loop Module
LD22
RS485 communication
Yellow
transmission activity on RS485.
LD24
Yellow
reception activity on RS485.
LD25
Dip-Switch and JDSPE settings
Dip-1, 2, 3 and 4 = OFF: normal operation.
Dip-1, 2, 3 and 4 = ON: configuration import from USB key.
Dip-1 = ON: configuration export to USB stick;
Dip-4 = ON: firmware update.
JDSPE - A ground fault can be ignored by removing the JDSP jumper.
Other Dip positions are for the use of the manufacturer.