Chapter 1: Summit Family Switches
Summit Family Switches Hardware Installation Guide
30
Summit X250e-24tDC Switch
The front panel of the Summit X250e-24tDC switch (Figure 65) includes:
● Twenty-four fixed autosensing 10/100BASE-T ports (ports 1–24) that provide 2.4 Gbps of
high-density copper connectivity
● Two combination ports (ports 25–26) using RJ-45 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 22.
For information about SFPs, see the Extreme Networks Pluggable Interface Modules 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 42.
● 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 9: Summit X250e-24tDC Switch Front Panel
The rear panel of the Summit X250e-24tDC switch (Figure 66) includes:
● Ethernet management port with associated LEDs
● Two high-performance stacking ports with associated LEDs
● Redundant power input connector for optional connection to 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 146 for more information.
● DC power input socket
The internal power supply operates from -36 VDC to -72 VDC.
● 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 office) in accordance with Articles 110-16,
110-17, and 110-18 of the National Electric Code, ANSI/NFPA 70.
1
2
Stack
SH_057_front_x250e-24tdc
10/100 Mbps ports
Console
port
Combination portsStack number indicator
DC