Setup Guide

Figure 14. S4048–ON DC power supplies
1 Power supply 1 2 Power supply 2
1 Remove the PSU slot cover from the S4048-ON.
2 Remove the PSU from the electro-static bag.
3 Insert the PSU into the switch PSU slot. Insert the PSU exposed PCB edge connector rst.
The PSU slot is keyed so that the PSU inserts fully in one orientation only.
Figure 15. DC PSU installation
1
Orange release tab 2 DC PSU
When you install the PSU correctly, it snaps into place and is ushed with the back of the switch.
4 Plug in the DC power cord from the switch PSU to the external power source.
5 If you have a redundant PSU, a second PSU, repeat steps 1 through 4 using the second PSU slot on the S4048-ON switch.
6 Attach the DC power label. See Attaching the DC Label.
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Power supplies