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
43.
• 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 (shown in Figure 10 on page 34) 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 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 10: Summit X250e-24tDC Switch Rear Panel
Summit X250e-24tDC Switch Ports and Slots
Summit Switches
34 Summit Family Hardware Installation Guide