Connecting The Dc Power Cables - Extreme Networks Summit X150 Series Hardware Installation Manual

Maintenance Procedures for Summit X650 Series Switches

Connecting the DC Power Cables

To connect the DC power cables to the Summit X650 DC PSU:
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 off the terminal block
4 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 251: Connecting the DC Power Cables (Part 1)
d Tighten both screws on the terminal block to 11 inch-pounds
294
(Figure 251).
RTN
-48V
(+)
(–)
SH_111
Summit Family Switches Hardware Installation Guide
(Figure 253).