Connecting The Dc Wiring Harness To The Dc Power Socket On The Eps-150Dc; Connecting The Eps-150Dc To A Switch - Extreme Networks Summit X450a-24tDC Hardware Installation Manual

Installing Summit External Power Supplies

Connecting the DC Wiring Harness to the DC Power Socket on the EPS-150DC

After the DC wiring harness is connected to a permanent DC voltage source by a qualified, licensed
electrician, you can remove, replace, and maintain the EPS-150DC unit without further electrician
assistance.
WARNING!
Always be sure that the DC circuit is de-energized before connecting the DC wiring harness to the DC power socket.
To connect the DC wiring harness to the EPS-150DC unit:
1 Verify that the DC power is turned off at the source.
2 Plug the DC cable connector into the DC power supply socket on the rear of the EPS-150DC unit.
The pins must align properly for the cable to completely connect. Do not force the cable into the
socket until the keyway is aligned properly. Refer to
and to Figure 73
Figure 73: Connecting the Input Cable to the EPS-150DC Unit
EPS-150DC
in EPS-T2
3 Tighten the retainer nut on the connector until it is finger tight.

Connecting the EPS-150DC to a Switch

If you are connecting the EPS-150DC unit to a Summit X450a-48tDC switch, you must ground the
switch before connecting power. For instructions on grounding the switch, see
DC-Powered Switch" on page
WARNING!
Always be sure that the DC circuit is de-energized before connecting the EPS-150DC to the switch.
One end of the EPS-150DC cord has a keyed connector to ensure correct alignment of the connector
(Figure 74). The key is a plastic tab on the connector housing that fits into the EPS-150DC unit to ensure
correct alignment of the connector.
108
for the DC power socket location on the rear of the EPS-150DC unit.
87.
Figure 72 for the DC wiring harness connector
DC wiring
harness
EPS-15DC_001C
Summit Family Switches Hardware Installation Guide
"Grounding a Summit