Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 200

4 On each terminal, loosen the screw enough to allow the spade terminal to slide underneath the
captive square washer.
5 Connect the DC power input cables as follows:
a Slide the spade terminal of the negative wire (–48 V) under the captive square washer on the
negative terminal (labeled –).
Figure 152: Connecting the Negative Power Wire to a –48V Source (550 W DC
Power Source)
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Installing Your Extreme Networks Switch
200