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Summit Family Switches
Summit Family Switches Hardware Installation Guide
28
Summit X250e-24xDC Switch
The front panel of the Summit X250e-24xDC switch (Figure 7) 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 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 16.
For information about SFPs, see the Extre me Ne two rks Plugg a ble Inte rfa c e Mo dule s Ins ta lla tio n G uide .
● 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 34.
● 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 15: Summit X250e-24xDC Switch Front Panel
The rear panel of the Summit X250e-24xDC switch (Figure 8) includes:
● 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).
See “EPS-150DC External Power Module (with EPS-T2)” on page 76 for more information. The
connecting redundant power supply cable is shipped with the EPS-150DC unit.
● DC power input socket
The 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.
SH_059_front_x250e-24xdc
100BASE-X ports
Combination ports
Console
port
Stack number
indicator
DC