Confidential and proprietary information of Extreme Networks. © 2011 Extreme Networks, Inc.
All rights reserved. DRAFT. October 20, 2011
Replacing DC Power Supplies in Summit Family Switches
Summit Family Switches Hardware Installation Guide
302
To connect the DC power cables to the Summit 450 W DC power supply:
1 Verify that the DC circuit is de-energized.
2 Connect the DC power input cables as follows:
a On each terminal, loosen the screw enough to allow the spade terminal to slide underneath the
captive square washer (
Figure 254).
b Slide the spade terminal of the negative wire (–48 V) under the captive square washer on the
negative terminal (labeled –).
c Slide the spade terminal of the positive wire (–48 V RTN) under the captive square washer on the
positive terminal (labeled +).
Figure 249: Connecting the DC Power Cables (Part 1)
d Tighten both screws on the terminal block to 7 inch-pounds (0.99 Newton meters) (
Figure 250).
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