Caution
Provide proper connection and strain relief on the DC power cables in accordance with all
local and national electrical codes.
1. Verify that the DC circuit is de-energized.
2. Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an
appropriate ground point on the rack.
3. Slide the cover o the terminal block.
4. Connect the DC power input cables as follows:
When connecting the power supply to a +24 V source:
a. On each terminal, loosen the screw enough to so that the spade terminal can slide underneath
the captive square washer.
Figure 178: Loosening Terminal Screws (Connecting to a +24 V Source)
b. Slide the spade terminal of the negative wire (–24 V) under the captive square washer on the
negative terminal (labeled –24 V).
Install a 300 W Internal DC Power Supply
Installing Your Extreme Networks Switch
232 ExtremeSwitching Hardware Installation Guide
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