Cooper Bussmann BU-905U-L-R quick start Front Panel Components, CF LED on

Cooper Bussmann BU-905U-L-R Receiver Quick Start Guide

Front Panel Components

SMA Antenna Connector at Top of Unit

Indicator LEDs

RS232 Configuration Port

RSSI Push-Button

The LEDs on the front panel indicate the unit status:
LED Status	Indicates
None	No power supply.
OK LED Green	Current status of the unit OK.
OK LED Red	Fault condition detected in unit.
RX LED Flashes	Receiving Message.
CF LED ON	Module Communication Failure Output is active.
PG LED on	Configuration Cable Connected.
Output LED ON	The Output LEDS (i.e., D1, D2, D3) light when the corresponding output is active.
	D1	Relay output D1 is ON (Contact Closed).
	D2	Relay Output D2 is ON.
	D3	Relay Output D3 is ON.
LEDs with RSSI Push	When you press the RSSI push button, the unit shows the signal strength by lighting the LEDs
Button Pressed	from the bottom to the top. Signal strength is the strength of the last message received that
	was addressed to this station.
	LED	Signal Strength	LED	Signal Strength
	D1	More than -85 dBm	RX	More than -100 dBm
	D2	More than -90 dBm	CF	More than -105 dBm
	D3	More than -95 dBm	PG	Always on during RSSI test
Output LED flashing	If an output is in communication failure, the corresponding LED flashes at 5Hz.
quickly

D1

D2

D3 PG

Relay Output D1 is in communication failure. Relay Output D2 is in communication failure. Relay Output D3 is in communication failure. Analog output is in communications failure.

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