
Summit48i Switch Front View
Extreme Networks Consolidated Hardware Guide 83
Figure 25: Front view of the Summit48i switch
GBIC Ports
The Summit48i switch has two Gigabit Ethernet ports and two redundant Gigabit Ethernet ports. All of
the Gigabit Ethernet ports use SC connectors. You can use the following GBICs in the Summit48i switch:
• 1000BASE-SX
• 1000BASE-LX
• 1000BASE-LX70
• ZX GBIC
• LX100
• UTP GBIC
GBIC Media Types and Distances
Table 23 describes the media types and associated maximum distances for each GBIC type.
Table 23: GBIC types and maximum distances
Standard Media Type
Mhz•Km
Rating
Maximum
Distance (Meters)
SX
(850 nm optical window)
50/125 µm multimode fiber
50/125 µm multimode fiber
62.5/125 µm multimode fiber
62.5/125 µm multimode fiber
400
500
160
200
500
550
220
275
LX
(1310 nm optical window)
50/125 µm multimode fiber
50/125 µm multimode fiber
62.5/125 µm multimode fiber
10/125 µm single-mode fiber
10/125 µm single-mode fiber*
400
500
500
–
–
550
550
550
5,000
10,000
ZX
(1550 nm optical window)
10/125 µm single-mode fiber – 50,000
ZX Rev 03
(1550 nm optical window)
10/125 µm single-mode fiber 70,000
49
49R
50
50R
1234
9101112
17 18 19 20
33 34 35 36
5678
13 14 15 16
S48i_fr
Port status LEDs 10/100 Mbps ports
49 49R 50 50R
Gigabit Ethernet ports Unit status LEDs
25 26 27 28
41 42 43 44
21 22 23 24
37 38 39 40
29 30 31 32
45 46 47 48
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