Installation Guide

Summit X250e-24xDC Switch Ports and Slots
The front panel of the Summit X250e-24xDC switch includes:
• Twenty-four 100BASE-FX ports (ports 1–24) that provide 2.4 Gbps of high-density fiber connectivity.
• Two combination ports (ports 25–26) 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.
Figure 13: Summit X250e-24xDC Switch Front Panel
The rear panel of the Summit X250e-24xDC switch (Figure 14 on page 37) includes:
• Ethernet management port with associated LEDs.
• Two high-performance stacking ports with associated LEDs.
• Redundant power input connector for use with the EPS-150DC External Power Module (Model No.
10909).
The connecting redundant power supply cable is shipped with the EPS-150DC unit. See EPS-150DC
External Power Module (with EPS-T2) on page 167 for more information.
• DC power input socket.
The internal power supply operates from -36 VDC to -72 V DC.
• Grounding lug.
Note
For centralized DC power connection, this product is intended to be installed in a restricted
access location (such as a dedicated equipment room, equipment closet, or central oce) in
accordance with Articles 110-16, 110-17, and 110-18 of the National Electric Code, ANSI/NFPA
70.
Summit X250e-24xDC Switch Ports and Slots Summit Switches
36 Summit Family Hardware Installation Guide