
84 Extreme Networks Consolidated Hardware Guide
Summit Switch Models
*Extreme Networks proprietary. Connections between two Extreme Networks 1000BASE-LX interfaces can use a maximum distance of 10,000
meters.
NOTE
For more information about the supported GBIC types, see “GBIC Specifications” on page 32.
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, Summit48i, and Summit48si Switch LEDs” on page 90.
Summit48i Switch Rear View
Figure 26 shows the rear view of the Summit48i switch.
Figure 26: Rear view of the Summit48i switch
Power Sockets
The Summit48i switch supports up to two power supplies. Each power supply has its own power
socket. When a second power supply is installed and connected to a second independent power source,
both provide a redundant, load-shared power source to the Summit48i switch. If one of the power
LX70
(1550 nm optical window)
10/125 µm single-mode fiber – 70,000
LX100
(1550 nm optical window)
10/125 µm single-mode fiber 100,000
UTP Category 5 UTP cable – 80
Table 23: GBIC types and maximum distances (continued)
Standard Media Type
Mhz•Km
Rating
Maximum
Distance (Meters)
S48i_rr
AC Connectors Console port
Reset
button
Label
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