Installation guide

Summit Family of Switches
Summit Family Switches Hardware Installation Guide
36
The rear panel of the Summit X450a-24xDC switch (Figure 28) includes:
● Slot for one of the following Summit option cards
■ Summit XGM2-2xn option card, which allows you to add up to two 10-Gigabit XENPAK
modules
■ Summit XGM2-2xf option card, which allows you to add up to two 10-Gigabit XFP modules
For information about these Summit option cards, see “Summit XGM2-2xn Option Card” on
page 106 or “Summit XGM2-2xf Option Card” on page 108.
● 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). (See “EPS-150DC External Power Module (with EPS-T2)” on page 48 for more
information.) The connecting redundant power supply cable is shipped with the EPS-150DC.
● DC power input socket
The power supply operates from -36 V DC to -72 V DC.
NOTE
For centralized DC power connection, this product is intended to be installed in Restricted Access Locations
(Dedicated Equipment Rooms, Equipment Closets, or the like) in accordance with Articles 110-16, 110-17, and
110-18 of the National Electric Code, ANSI/NFPA 70.
Figure 28: Summit X450a-24xDC Switch Rear Panel
Summit X450a-48t Switch
The front panel of the Summit X450a-48t switch (Figure 29) includes:
● Forty-four fixed autosensing 10/100/1000 BASE-T ports (ports 1-44) that provide 44 Gbps of
high-density copper connectivity
● Four combination ports (ports 45-48) using RJ-45 connectors and SFPs to provide 4 Gbps of fiber or
copper connectivity
For information about SFPs, see the Extreme Networks Pluggable Interface Modules 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” 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.
-48 V
2.5 A Max
10 Gigabit
uplink option
Management port
10 Gigabit
stacking ports
DC power
socket
External power
supply connection
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