Figure 20. S5232F-ON or S5248F-ON PSUs
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PSUs
Figure 21. S5296F-ON PSUs
The PSUs have an integrated fan, which you cannot replace individually; if the fan integrated in a PSU fails, you must replace the entire
PSU. You can replace the fan trays individually. For fan tray replacement procedures, see
WARNING:
Prevent exposure and contact with hazardous voltages. Do not attempt to operate this switch with the safety cover
removed.
CAUTION:
Remove the power cable from the PSU before removing the PSU. Also, do not connect the power cable before you
insert the PSU in the switch.
NOTE:
To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC or DC Power Ports, use an external
surge protection device (SPD) at the AC or DC input of the router.
PSU LEDs
•
Solid green—Input is OK.
•
Flashing yellow—There is a fault with the PSU.
•
Flashing green blink at 1Hz—Switch is in a standby/CR state.
•
Off—PSU is off.
AC or DC power supply installation
NOTE:
The PSU slides into the slot smoothly. Do not force a PSU into a slot as this action may damage the PSU or the switch.
Power supplies
37