Summit X450a-24xDC Switch Ports and Slots

The front panel of the Summit X450a-24xDC switch includes:

Twenty fixed autosensing 1000BASE-X ports (ports 1–20) that provide 20 Gbps of high-density fiber (SFP) connectivity
Four combination ports (ports 21–24) using RJ45 connectors and SFPs to provide 4 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 X450, X450a, and X450e 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.

The rear panel of the Summit X450a-24xDC switch (Summit X450a-24xDC Switch Rear Panel) includes:

Slot for one of the Summit option cards listed in the following table. These port option cards allow you to add one or two high-speed uplink ports to the switch.

Table 1. Port Option Cards for Summit X450a Series Switches
Option Card Model	Type of Added Ports	For More Information
XGM2-2xn option card	10-gigabit XENPAK modules
XGM2-2xf option card	10-gigabit XFP modules
XGM2-2sf option card	10-gigabit SFP+ modules
XGM2-2bt option card	Fixed 10GBASE-T copper

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) 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.