Installation guide

Chapter 3: Power Supplies for the BlackDiamond X8 Switch
BlackDiamond X8 Series Switches Hardware Installation Guide
28
AC Power Supply
The AC power supply for the BlackDiamond X8 switch (Figure 9) delivers 2500 W when operated from
185 to 264 V AC, or 1250 W when operated from 90 to 140 V AC.
Figure 9: BlackDiamond X8 AC Power supply
Each AC PSU contains two cooling fans at the front of the unit. Airflow is from front to back.
For information about installing the BlackDiamond X8 AC PSU, see “Installing Power Supplies” on
page 54.
LEDs
The BlackDiamond X8 AC power supply has status LEDs on the front panel. Table 8 describes the
meanings of the LEDs.
Table 8: LEDs on the BlackDiamond X8 AC Power Supply
LED Type and Color
Power Supply Condition
AC OK
Green
DC OK
Green
ALM
Red
No AC input power to any power supply.
(Receiving standby output from backplane)
Off Off Off
AC input power is present.
48 V output is disabled.
Standby output is ON.
On Off Off
AC input is present; DC outputs are good. On On Off
AC input is good; output (48 V) has a fault. On Off On
Output is good, but a warning alarm has been
detected (for example, Undervoltage).
On On On
BDX_036
1
2
3
1 = LEDs
2 = Release button
3 = Inserter/extractor lever