Extreme Networks 17001 manual 162

Installing Summit Family Switches

Figure 138: Connecting the Ground Wire

1

2

1 = Grounding point

2 = Ground wire

SH_108

Connecting the PSU to the DC Source Voltage

The DC power connection at your facility mus t 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 Summit X650 DC PSU.

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:

1Verify that the DC circuit is de-energized.

2Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an appropriate ground point on the rack.

3Slide the cover off the terminal block (Figure 139).

4Connect 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).

162 Summit Family Switches Hardware Installation Guide