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.
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.
- 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 X250e-48tDC Switch Front Panel
The rear panel of the Summit X250e-48tDC switch (shown in
Summit X250e-48tDC Switch Rear Panel) 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).
The connecting
redundant power supply cable is shipped with the EPS-150DC unit. See EPS-150DC External Power Module (with EPS-T2) 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.
Summit X250e-48tDC Switch Rear Panel