Extreme Networks Summit X440 Series - Page 360

Chapter 10: Replacing DC Power Supplies in Summit Family Switches
Summit Family Switches Hardware Installation Guide
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4 Slide the cover into place over the terminal block (Figure 304).
Figure 304: Connecting the DC Power Cables (Part 2)
5 Energize the DC circuit.
SH_211
(+)
(–)
RTN
-48V