Installation Guide

Table Of Contents
The rear panel of the Summit X250e-48t switch (Figure 18 on page 39) includes:
Management port with associated LEDs.
Two high-performance stacking ports with associated LEDs.
Redundant power input connector for optional connection to the EPS-160 External Power Module.
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 AC power supply operates from 100 VAC to 240 VAC.
Figure 18: Summit X250e-48t Switch Rear Panel
Summit X250e-48tDC Switch Ports and Slots
The front panel of the Summit X250e-48tDC switch includes:
Forty-eight
fixed autosensing 10/100BASE-T ports (ports 1–48) that provide 4.8 Gbps of high-
density copper connectivity.
Two combination ports (ports 49–50) using RJ45 connectors and SFPs to provide 2 Gbps of copper
or 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 X250e Series Switch LEDs on page
43.
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.
Summit Switches
Summit X250e-48tDC Switch Ports and Slots
Summit Family Hardware Installation Guide 39