Installation Guide

The connecting redundant power supply cable is shipped with the EPS-160 unit. See EPS-160
External Power Module (with EPS-T) on page 168 for more information.
• AC power input socket
The internal power supply operates from 100 VAC to 240 V AC.
Figure 70: Summit X450-24x Switch Rear Panel
Summit X450a Series Switches
The Summit X450a series switches are 24-port or 48-port switches without PoE options.
The Ethernet ports are implemented as fixed 10/100/1000BASE-T RJ45 ports or as installable SFP
modules. These switches are available with either AC or DC internal power supplies. The switch
automatically adjusts to the supply voltage. The internal AC power supply operates from 100 VAC to
240 VAC. The internal DC power supply operates from -36 VDC to -72 VDC.
The Summit X450a series switches include the following switches:
• Summit X450a-24t Switch Ports and Slots on page 85
• Summit X450a-24t-TAA switch
• Summit X450a-24tDC Switch Ports and Slots on page 86
• Summit X450a-24tDC-TAA switch
• Summit X450a-24x Switch Ports and Slots on page 87
• Summit X450a-24x-TAA switch
• Summit X450a-24xDC Switch Ports and Slots on page 89
• Summit X450a-24xDC-TAA switch
• Summit X450a-48t Switch Ports and Slots on page 91
• Summit X450a-48t-TAA switch
• Summit X450a-48tDC Switch Ports and Slots on page 92
• Summit X450a-48tDC-TAA switch
Note
In the descriptions that follow, references to a Summit X450a series model number also apply
to the equivalent TAA-compliant switch version.
The minimum required ExtremeXOS version for Summit X450a series switches varies by model. (See
the Extreme Hardware/Software Compatibility and Recommendation Matrices for details.) The
ExtremeXOS version cannot be greater than 15.3.x.
Summit X450a Series Switches
Summit Switches
84 Summit Family Hardware Installation Guide