Extreme Networks Summit X150 Series, Hardware Installation Manual

Page: 359 / 512

Replacing a Summit 300 W DC Power Supply
Summit Family Switches Hardware Installation Guide
359
5 Energize the DC circuit.
Connecting the DC Power Cables on the Model 10933 or 10934A 300W DC Power
Supply to a -48V power source
To connect the DC power cables to the Model 10933 or 10934A Summit DC power supply:
1 Verify that the DC circuit is de-energized.
2 Slide the cover off the terminal block ( Figure 303 ).
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 303: Connecting the DC Power Cables (Part 1)
d Tighten both screws on the terminal block to 11 inch-pounds ( Figure 304 ).
(+)
(–)
RTN
-48V
SH_210