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2-18 Extreme Networks Consolidated Hardware Guide
Site Preparation
Fiber Optic Cable
Fiber optic cable must be treated gently during installation. Every cable has a minimum
bend radius, for example, and fibers will be damaged if the cables are bent too sharply.
It is also important not to stretch the cable during installation. We recommend that the
bend radius for fiber optic cable equals 2-inch (5.08 cm) minimum for each 90 degree
turn as shown in Figure 2-9.
Figure 2-9: Bend radius for fiber optic cable
Cable Distances
Table 2-1 shows cable media types and maximum distances that support reliable
transmission in accordance with international standards except where noted.
Table 2-1: Media Types and Maximum Distances
Standard Media Type
MhzKm
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
SPG_002
Minimum
2" radius
in 90˚ bend
Optical fiber cable
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