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Summit48i Switch
Figure 46: Rear view of the Summit48i switch
AC Connectors
Label
Console port
Reset
button
S48i_rr
The rear panel of the Summit48i switch includes AC power sockets, a system label, a reset button, and a
serial console port.
LEDs
The Summit48i switch has the following LEDs:
• Unit status
• Management
• Port status
• Port speed
For information about the LEDs and their activity on the Summit48i switch, see "Summit1i, Summit5i,
Summit7i, and Summit48i Switch LEDs" on page 97.
GBIC Ports
The Summit48i switch has four unpopulated ports for installing GBICS with SC connectors. These four
ports provide two Gigabit Ethernet ports and two redundant Gigabit Ethernet ports. You can use the
following GBICs in the Summit48i switch:
• 1000BASE-SX
• 1000BASE-LX
• 1000BASE-LX70
• ZX GBIC
• LX100
• UTP GBIC
For more information about the supported GBIC types, see "GBIC Type and Hardware/Software
Support" on page 23. For specifications of individual GBIC models, see "GBIC Specifications" on
page 340.
Power Sockets
The Summit48i switch has built-in dual redundant power supplies. Each power supply has its own
power socket. When the second power supply is connected to a second independent power source, both
provide a redundant, load-shared power source to the Summit48i switch. If one of the power sources or
Extreme Networks Consolidated "e" and "i" Series Hardware Installation Guide
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