Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 192

c Slide the spade terminal of the positive wire (+24 V) under the captive square washer on the
positive terminal (+24 V).
d Tighten both screws on the terminal block to 11 in‑lb (1.25 N m).
Figure 144: Tightening Terminal Screws (Connecting to a +24 V Source)
When connecting the power supply to a –48 V source:
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Installing Your Extreme Networks Switch
192