Cooper Bussmann BU-905U-L-R - Manual (Page 4)

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Cooper Bussmann BU-905U-L-R Receiver Quick Start Guide
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 Relay Output D1 is in communication failure.
D2 Relay Output D2 is in communication failure.
D3 Relay Output D3 is in communication failure.
PG Analog output is in communications failure.
3A1578Rev1.9
Front Panel Components
SMA Antenna Connector at Top of Unit
RS232 Configuration Port
Indicator LEDs
RSSI Push-Button