Olson Technology LP-OR-304 - Manual (Page 8)

LPOR-304 Operating Instructions Revision A
PAGE 8 of 10 4 June 2006
INDEPENDENT MODE DETAILED OPERATION
Rx1 and Rx2 LEDs (Independent)
In the independent mode, the individual receiver LEDs have three display states. They will never be
orange.
Mode LED (Independent)
In the independent mode, the mode LED blinks green for 0.25 second every 3 seconds to give an
indication that the unit is powered.
REDUNDANT MODE DETAILED OPERATION
Rx1 and Rx2 LEDs (Redundant)
The individual receiver LEDs have four display states. They blink to indicate an unacknowledged
fault on that input.
Mode LED (Redundant)
When operating as a redundant receiver, the mode LED has three display states. It is never turned off.
Table 4 – Independent Rx1 and Rx2 LED Conditions
DISPLAY CONDITION
OFF Rx disabled
GREEN Rx input OK. Unit output from this Rx.
RED Rx input fault (Optical input is below preset threshold)
Table 5 – Redundant Rx1 and Rx2 LED Conditions
DISPLAY CONDITION
Off Rx Disabled via gain control (Will never blink)
Green Rx input Ok. Unit output from this Rx.
Orange Rx input Ok. Unit output from other Rx.
Red Rx input fault (Optical input is below preset threshold)
Table 6 – Redundant Rx Mode LED Conditions
DISPLAY CONDITION NOTES
Green
Primary Rx Input OK. Redundant
Operation Enabled. Both receivers must be enabled. This state is
independent of the presence of backup optical input.
Orange Redundant Operation Disabled
This can be from one of two causes:
Either one or both receivers disabled with gain control.
Non-redundant operation selected with function switch.
Red Redundant Operation Enabled
Automatic transfer has occurred. Output of unit is
backup input whether or not optical signal is present on
this input.