Installation Guide

The rear panel of the Summit X450a-24xDC switch (Figure 78 on page 90) 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 23: 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 #unique_59
XGM2-2xf option card 10-gigabit XFP modules #unique_60
XGM2-2sf option card 10-gigabit SFP+ modules #unique_61
XGM2-2bt option card Fixed 10GBASE-T copper #unique_62
• 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 167 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 oce) in
accordance with Articles 110-16, 110-17, and 110-18 of the National Electric Code, ANSI/NFPA
70.
Figure 78: Summit X450a-24xDC Switch Rear Panel
Summit X450a Series Switches
Summit Switches
90 Summit Family Hardware Installation Guide