Extreme Networks Summit X150 Series Hardware Installation Manual page 259

a On each terminal, loosen the screw enough to allow the spade terminal to slide underneath the
captive square washer (see
b Slide the spade terminal of the negative wire (–48 V) under the captive square washer on the
negative terminal (labeled –).
Summit Family Hardware Installation Guide
Figure 237: Connecting the DC Power Cables (Part 1)
Installing Summit Family Switches
on page 260).
259