Extreme networks Summit1 Manuale Utente
1-4
S
UMMIT
S
WITCH
I
NSTALLATION
AND
U
SER
G
UIDE
S
UMMIT
O
VERVIEW
M
EDIA
T
YPES
AND
D
ISTANCES
describes the media types and distances for the different types of Summit
ports.
*E
XTREME
N
ETWORKS
PROPRIETARY
. C
AN
BE
CONNECTED
TO
1000BASE-LX
ON
SINGLE
-
MODE
FIBER
USING
A
MAXIMUM
DISTANCE
OF
5,000 M
ETERS
.
For more information on 1000BASE-SX and 1000BASE-LX link characteristics,
refer to IEEE Draft P802.3z/D4.2, Table 38-2 and Table 38-6.
refer to IEEE Draft P802.3z/D4.2, Table 38-2 and Table 38-6.
Table 1-2: Media Types and Distances
Standard
Media Type
Mhz/Km
Rating
Rating
Maximum
Distance
Distance
1000BASE-SX
50/125um Multimode Fiber
50/125um Multimode Fiber
62.5/125um Multimode Fiber
62.5/125um Multimode Fiber
400
500
160
200
500 Meters
550 Meters
220 Meters
275 Meters
1000BASE-LX
50/125um Multimode Fiber
50/125um Multimode Fiber
62.5/125um Multimode Fiber
10u Single-mode Fiber
400
500
500
550 Meters
550 Meters
550 Meters
5,000 Meters
1000BASE-LX10*
10u Single-mode Fiber
10,000 Meters
100BASE-FX
50/125um Multimode Fiber
(half-duplex operation
(half-duplex operation
50/125um Multimode Fiber
(full-duplex operation)
(full-duplex operation)
62.5/125um Multimode Fiber
(half-duplex operation)
(half-duplex operation)
52.5/125um Multimode Fiber
(full-duplex operation)
(full-duplex operation)
400 Meters
2000 Meters
400 Meters
2000 Meters
100BASE-TX
10BASE-T
Category 5 UTP Cable (100Mbps)
Category 3 UTP Cable (10Mbps)
100 Meters
100 Meters
Summit.bk : 1OVRVW.FM Page 4 Thursday, June 18, 1998 9:27 AM