User's Manual Part 1

ION
®
-E Series Hardware Installation Guide M0201AA
Page 46 © June 2017 CommScope, Inc.
Power Supply Unit (PSU)
57 Vdc Power Module LEDs
Condition AC OK DC OK Service Fault
Unit is functioning to specification
On On Off Off
Thermal shutdown On On On Off
Defective fan, blown AC fuse in Power Module, boost stage failure, over voltage latched shutdown On Off Off On
No AC <15 mS (single unit) Off On Off Off
AC present but not within limits Blinks Off Off Off
AC not present Off Off Off Off
Over current On Blinks Off Off
Non-catastrophic internal failure (any detectable fault that does not shut down the unit) On On Off On
Communications fault (RS485 mode) On On Off Blinks
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