Extreme Networks Summit X150 Series, Руководство по установке оборудования

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Chapter 1: Summit Family Switches
Summit Family Switches Hardware Installation Guide
38
Summit X250e-48tDC Switch
The front panel of the Summit X250e-48tDC switch ( Figure 17 ) includes:
●
Forty-eight fixed autosensing 10/100BASE-T ports (ports 1–48) that provide 4.8 Gbps of high-density
copper connectivity
●
Two combination ports (ports 49–50) using RJ-45 connectors and SFPs to provide 2 Gbps of copper
or fiber connectivity
For more information about combination ports, see “Combination Ports and Failover” on page 22 .
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 X250e Series Switch LEDs” on
page 42 .
●
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 19: Summit X250e-48tDC Switch Front Panel
The rear panel of the Summit X250e-48tDC switch ( Figure 18 ) 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 146 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 office) in accordance with Articles 110-16,
110-17, and 110-18 of the National Electric Code, ANSI/NFPA 70.
SH_062_front-x250e-48tdc
10/100 Mbps ports Console
port
Combination ports Stack number indicator