Connecting The Ground Wire; Connecting The Dc Power Cables - Extreme Networks Summit X150 Series Installation Manual

Connecting the Ground Wire

To connect the ground wire to the Summit X650 DC PSU:
1 Verify that the DC circuit is de-energized.
2 Identify the grounding point on the front panel of the PSU (see
3 Insert an M3.5 screw (provided) through the ring terminal and into the grounding point on the PSU.
4 Tighten the screw to 12.6 inch-pounds.
5 Connect the other end of the wire to a known reliable earth ground point at your site.
Figure 121: Connecting the Ground Wire
1 = Grounding point
2 = Ground wire

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).
ExtremeXOS Summit Family Switches Hardware Installation Guide
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(Figure 122).
Figure 121).
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