Summit 400 “e” Series Switches
Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide
75
is another failure or a user changes the assignment using the CLI. To change the uplink failover
assignment, use the following command:
configure ports <nnn> preferred-medium {copper} | {fiber} |[force]
The default preferred-medium is fiber. If you use the
force
option, it disables automatic failover. If you
force the preferred-medium to fiber and the fiber link goes away, the copper link is not used, even if
available.
Summit 400 “
e
” Series Switches
The Summit 400 “e” series switches include the following switch models:
•
Summit 400-24t switch
•
Summit 400-24p switch
•
Summit 400-48t switch
Summit 400-24 Switches
The Summit 400-24t or 400-24p switch is a compact enclosure (see Figure 26) one rack unit high (1.73
inches or 44.0 mm) that provides 24 autosensing 10/100/1000BASE-T ports using RJ-45 connectors. On
the Summit 400-24p switch, these ports support Power over Ethernet operation as defined by the IEEE
802.3af specification. The Summit 400-24 switch also has four fiber ports that allow Gigabit Ethernet
uplink connections through Extreme 1000BASE-SX, 1000BASE-LX, or 1000BASE-ZX SFP mini-GBICs
using LC connectors. The four fiber ports and the last four of the 10/100/1000BASE-T ports are
designed as shared, or
combination,
ports for uplink redundancy. When sharing ports, only the fiber port
or only the copper port can be active at the same time. For more information about cabling and
configuring this feature, see “Uplink Redundancy” on page 80.
The back panel of the Summit 400-24 switch provides two high-performance dedicated stacking
connectors for interconnecting Summit 400-series switches in a stacked configuration.
Hardware Features
The Summit 400-24 switch has the following hardware features:
•
24 10/100/1000BASE-T ports
•
4 fiber SFP (mini-GBIC 1000BASE-SX, 1000BASE-LX, and 1000BASE-ZX)
The fiber ports share PHY with the last four copper ports.
•
1 console port, serial
•
2 dedicated stacking ports (10 Gigabit)
•
Support for redundant power support using the optional EPS 160 External Power Supply (Summit
400-24t) or the EPS-LD External Power Supply (Summit 400-24p)
•
Redundant uplink support
Содержание Summit 200-24
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Страница 25: ...Part 2 Site Planning...
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Страница 57: ...Part 3 Summit Switch...
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