Installation Guide

For information on installing or replacing an AC or DC power supply, see the following topics:
• Install a 300 W or 750 W Internal AC Power Supply on page 351
• #unique_229
The following tables describe the meanings of the LEDs on the 750 W AC power supply (part number
XN-ACPWR-750W-F or XN-ACPWR-750W-R).
The LEDs are located on the end of the power supply unit, arranged vertically to the left of the terminal
block.
Table 89: 750 W AC and DC Power Supplies LED Status Indications
Label and
Color
Description State Meaning
!
Amber
Fault
Indicator
On
(Solid)
PSU fault
O No PSU fault
DC
(Green)
DC output
Good
On
(solid)
DC output OK
O or
Blinking
DC output fail
AC
(Green)
AC input
Good
On AC input OK
O AC input fail
The following tables describe the meanings of the LEDs on the 750 W DC power supply (part number
XN-DCPWR-750W-F or XN-DCPWR-750W-R).
The LEDs are located on the end of the power supply unit, arranged vertically to the left of the terminal
block.
Table 90: 750 W DC Power Supply LED Status Indications
Label and
Color
Description State Meaning
!
Amber
Fault
Indicator
On
(Solid)
PSU fault
O No PSU fault
OUT OK
(Green)
DC output
Good
On
(solid)
DC output OK
O or
Blinking
DC output fail
IN OK
(Green)
DC input
Good "IN OK"
On DC input OK
O DC input fail
Power Supplies for Use with Your Switch 750 W AC and DC Power Supplies
Summit Family Hardware Installation Guide 191