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NOTE: To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC Power
Ports, use an external SPD at the AC input of the router.
Installing an AC or DC Power Supply
To install an AC or DC power supply, follow these steps.
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 S4810–ON chassis.
NOTE: Ensure that the PSU is correctly installed. When the PSU is correctly installed, the power
connector is on the left side of the PSU and the status LED is at the top of the PSU (refer to the
following illustrations).
NOTE: If you use a single PSU, you must install a blank plate in the other PSU slot. Dell Networking
recommends using power supply 1 (PSU1) as the blank plate slot.
1.
Take the PSU out of the shipping box.
2.
Use the grab handle to slide the PSU into the power supply bay.
3.
Tighten the securing screw on the side of the PSU. Ensure that the PSU is secure.
4.
Attach the power cables.
NOTE: The system powers up as soon as the cables are connected between the power supply
and the power source.
Replacing an AC or DC Power Supply
To replace an AC or DC power supply, follow these steps:
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 S4810–ON chassis.
NOTE: If a PSU fails, you must completely replace it. There are no field serviceable components in
the PSU. To request a hardware replacement, refer to
NOTE: If you use a single PSU, you must install a blank plate in the other PSU slot. Dell Networking
recommends using power supply 1 (PSU1) as the blank plate slot.
1.
Disconnect the power cable from the PSU.
2.
Use the grab handle to slide the PSU out of the power supply bay.
3.
Use the grab handle on the replacement PSU to slide it into the power supply bay.
4.
Tighten the securing screws on the replacement PSU with a screwdriver. Ensure that the PSU is
secure.
5.
Attach the power cord to the replacement PSU.
The system powers up as soon as the cables are connected between the power supply and the
power source.
26
Technical
Support.
Power Supplies
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