Summit Family of Switches
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
256
Summit X450a Series Switches
The Summit X450a series of switches consists of the following switches:
● Summit X450a-24t Switch on page 256
● Summit X450a-24tDC Switch on page 259
● Summit X450a-24x Switch on page 261
● Summit X450a-24xDC Switch on page 263
● Summit X450a-48t Switch on page 265
● Summit X450a-48tDC Switch on page 267
Summit X450a-24t Switch
The Summit X450a-24t switch includes the following:
● 20 fixed 10/100/1000 BASE-T ports that deliver high-density copper connectivity for 20 Gbps in
1.75-inch (1U) form factor (ports 1-20)
● Four combination ports that provide 10/100/1000 BASE-T or mini-GBIC connectivity for 4 Gbps of
copper or fiber connectivity (ports 21-24)
For information about mini-GBICs, see “Mini-GBIC Interfaces” on page 338.
● Two high-performance stacking ports
● Optional:
■ 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 regarding these compatible Summit option cards, see “Summit XGM2-2xn Option Card” on
page 297 or “Summit XGM2-2xf Option Card” on page 302.
● Optional: EPS-LD External Power Supply Unit (Model No. 45019), which is a redundant power
supply for use with the Summit X450a-24t switch. When this switch is used with the EPS-LD, the
power supplies (internal and redundant) are fully fault tolerant and load-sharing. If one power
supply fails, the other power supply will provide sufficient power to operate the switch.
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