Connecting The Power Supply To The Dc Source Voltage - Extreme Networks Summit X150 Series Hardware Installation Manual

Chapter 6: Installing Summit Family Switches
Figure 177: Connecting the Ground Wire
1
2
1 = Grounding point
2 = Ground wire

Connecting the Power Supply to the DC Source Voltage

The DC power connection at your facility must be made by a qualified electrician, following the
instructions in this section.
WARNING!
Always make sure that the DC circuit is de-energized before connecting or disconnecting the DC power
cables on the 300 W DC power supply.
CAUTION
Provide proper connection and strain relief on the DC power cables in accordance with all local and
national electrical codes.
To connect the DC power input cables:
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).
232
SH_209
(Figure 178).
Summit Family Switches Hardware Installation Guide