Installing And Removing Summit Dc-Powered Switches; Connecting The Internal Dc Power Supply To The Dc Source Voltage - Extreme Networks Summit X150 Series Installation Manual

NOTE
For information about DC-powered units, see
For information about removing a Summit X650 series switch from a rack, see
Switch from a Two-Post Rack" on page

Installing and Removing Summit DC-Powered Switches

This section provides additional details about installing or removing the following Summit DC-powered
switches:
Summit X250e-24tDC
●
Summit X250e-24xDC
●
Summit X250e-48tDC
●
Summit X450a-24tDC
●
Summit X450a-24xDC
●
Summit X450a-48tDC
●
You must adhere to specific safety requirements when you connect or disconnect a DC power source for
one of these Summit switches.
NOTE
For centralized DC power connection, these products are intended to be installed in Restricted Access Locations
(Dedicated Equipment Rooms, Equipment Closets, or the like) in accordance with Articles 110-16, 110-17, and
110-18 of the National Electric Code, ANSI/NFPA 70.
NOTE
An optional redundant power supply, the EPS-150DC, is available for use with the Summit DC-powered switches.
When the EPS-150DC is used with a DC-powered Summit switch, the power supplies (internal and redundant) are
fully fault tolerant and load-sharing. If one power supply fails, the other power supply will provide sufficient power to
operate the switch. Refer to

Connecting the Internal DC Power Supply to the DC Source Voltage

Before you connect the switch to a power source, complete the physical installation of the switch in the
equipment rack, as described in
Series)" on page 93.
If you are installing a Summit DC-powered switch, you must ground the chassis before connecting the
switch to the DC source voltage (see
ExtremeXOS Summit Family Switches Hardware Installation Guide
"Removing a Summit DC-Powered Switch from a Rack" on page
115.
"EPS-150DC External Power Module (with EPS-T2)" on page 66
"Rack-Mounting a Summit Switch (Models Other than Summit X650
"Grounding a Summit DC-Powered Switch"
"Removing a Summit X650 Series
for further details.
below).
99.
95