Installation Guide

Table Of Contents
Figure 19: Summit X250e-48tDC Switch Front Panel
The rear panel of the Summit X250e-48tDC switch (shown in Figure 20 on page 40) 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) 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 20: Summit X250e-48tDC Switch Rear Panel
Summit X250e-48tDC Switch Ports and Slots
Summit Switches
40 Summit Family Hardware Installation Guide