Ac Or Dc Power Supply Replacement; Dc Power Supply Connection - Dell S4148FE Installation Manual

Table of Contents

Advertisement

Figure 18. PSU installation
1
Left PSU is PSU1 and right PSU is PSU2.
4
Plug in the appropriate AC 3-prongs cord from the switch PSU to the external power source.
5
Repeat steps 1 through 4 if you have a redundant PSU slot.
NOTE:
The switch powers up when you connect the cables between the power supply and the power source.

AC or DC power supply replacement

CAUTION:
Disconnect the power cord before removing the power supplies. Also, disconnect all power cords before servicing.
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 S4100–
ON Series switch.
NOTE:
If a PSU fails, you must replace the entire unit. There are no field serviceable components in the PSU. To request a
hardware replacement, see
NOTE:
If you use a single PSU, install a blank plate in the other PSU slot. If you are only using one power supply, Dell EMC
recommends installing the power supply in the first slot, PSU1. Install a blank plate in the second slot, PSU2.
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
Attach the power cord to the replacement PSU.
NOTE:
The switch powers up when the cables are connected between the power supply and the power source.

DC power supply connection

Each DC PSU kit, sold separately, comes with a connector cable.
Dell EMC
support.
Power supplies
33

Advertisement

Table of Contents
loading

This manual is also suitable for:

S4128f-onS4148f-onS4100-on series

Table of Contents