Led Indicators - GE WIU-4 Installation Manual

LED indicators

The four green LEDs on the board provide visual indication of
the system interfaces.
Table 5. LED indicators
LED
D1
D2
D3
D20
Refer to "Indicators" on page 18
definitions
Description
DI monitor LED
F/2F data LED
Door DO LED
Power LED
for LED status indicators and
Configuring the WIU-4 13