Extreme networks 12804 Benutzerhandbuch

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Evaluating and Meeting Cable Requirements
 
BlackDiamond 12800 Series Switches Hardware Installation Guide
51
cable and maintain an adequate bend radius at all cable turns, particularly where the cable connects to the I/O 
module.
Figure 24: Bend Radius for Fiber Optic Cable
Cable Distances
 shows cable media types and maximum distances that support reliable transmission in 
accordance with international standards except where noted.
*
Proprietary to Extreme Networks. Connections between two Extreme Networks 1000BASE-LX interfaces that use 10/125 μm 
single-mode fiber can use a maximum distance of 10,000 meters.
Table 14: Media Types and Maximum Distances
Standard
Media Type
Mhz•Km 
Rating
Maximum Distance 
(Meters)
1000BASE-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
1000BASE-LX
(1300 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
1000BASE-LX70
(1550 nm optical 
window)
10/125 μm single-mode fiber
70,000
1000BASE-T
100BASE-TX
10BASE-T
Category 5 and higher UTP cable
Category 5 and higher UTP cable
Category 3 and higher UTP cable
100
100
100
SPG_002
Minimum
2-in. (5.08-cm)
radius
in 90∞ bend
90∞
Optical fiber cable