Installation Guide

Table Of Contents

◦ EPS-500 External Power Supply (Model 10911)

See EPS-500 External Power Supply Unit on page 169 for more information.

The connecting redundant power supply cable is shipped with the external power supply.

• AC power input socket

The internal power supply operates from 100 VAC to 240 VAC.

Figure 72: Summit X450a-24t Switch Rear Panel

Summit X450a-24tDC Switch Ports and Slots

The front panel of the Summit X450a-24tDC switch includes:

• Twenty ﬁxed autosensing 10/100/1000 BASE-T ports (ports 1–20) that provide 20 Gbps of high-

density copper connectivity

• Four combination ports (ports 21–24) using RJ45 connectors and SFPs to provide 4 Gbps of copper

ﬁber connectivity

For more information about combination ports, see Combination Ports and Failover on page 25.

For information about SFPs, see the Extreme Networks Pluggable Transceivers Installation Guide.

• LEDs to indicate port status and switch operating conditions

For a description of the LEDs and their operation, see Summit X450, X450a, and X450e Series

Switch LEDs on page 101.

• Stack number indicator showing the position of this switch in a stacked conﬁguration

• Serial console port used to connect a terminal and perform local management

Figure 73: Summit X450a-24tDC Switch Front Panel

Summit X450a Series Switches

Summit Switches

86 Summit Family Hardware Installation Guide