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
296
Connecting the DC Power Cables
To connect the DC power cables to the Summit X650 DC power supply:
1
Verify that the DC circuit is de-energized.
2
Slide the cover off the terminal block (
Figure 254
).
3
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.
b
Slide the spade terminal of the
negative
wire (–48 V) under the captive square washer on the
negative
terminal (labeled –48V).
c
Slide the spade terminal of the
positive
wire (–48 V RTN) under the captive square washer on the
positive
terminal (labeled RTN).
Figure 243: Connecting the DC Power Cables (Part 1)
d
Tighten both screws on the terminal block to 11 inch-pounds (
Figure 244
).
(+)
(–)
RTN
-48V
SH_210
