Netgear FS509 Installation Guide - Page 47

Fiber Optic Cables, Fiber Cable Specifications, Gigabit Cable Guidelines

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Fiber Optic Cables Installation Guide for the Model FS509 Fast Ethernet Switch In North America, use EIA-569-A horizontal 62.5/125 µm multimode optical fiber cable (ANSI/EIA/TIA-492AAAA). Internationally, use ISO/IEC 11801 62.5/125 µm multimode optical fiber cable (IEC 793-2 type A1b, with 1.0db/km attenuation and 500 MHz/km bandwidth). Refer to Table C-2 for the minimum requirements of fiber optic cable. Fiber Cable Specifications Table C-2 lists the electrical requirements of fiber cable. Table C-2. Electrical Requirements of Fiber Optic Cable Specification Number of strands Cable type Numerical aperture Total link budget Modal band Zero dispersion wavelength Dispersion slope Fiber Optic Cable Two 62.5/125 µm multimode fiber optic cable 0.275 11 db 500 MHz/km 1295 to 1365 nm < 0.093 ps/nm2-km Gigabit Cable Guidelines Table C-3 lists the distance limitations for Gigabit fiber connections. Table C-3. Gigabit Cable Guidelines Multimode Fiber Operating Range 62.5/125-Micron 2 to 260 meters 50/125-Micron 2 to 550 meters Cabling Guidelines C-5

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Installation Guide for the Model FS509 Fast Ethernet Switch
Cabling Guidelines
C-5
Fiber Optic Cables
In North America, use EIA-569-A horizontal 62.5/125
μ
m multimode optical fiber cable
(ANSI/EIA/TIA-492AAAA).
Internationally, use ISO/IEC 11801 62.5/125
μ
m multimode optical fiber cable (IEC 793-2 type
A1b, with 1.0db/km attenuation and 500 MHz/km bandwidth). Refer to
Table C-2
for the
minimum requirements of fiber optic cable.
Fiber Cable Specifications
Table C-2
lists the electrical requirements of fiber cable.
Gigabit Cable Guidelines
Table C-3 lists the distance limitations for Gigabit fiber connections.
Table C-2.
Electrical Requirements of Fiber Optic Cable
Specification
Fiber Optic Cable
Number of strands
Two
Cable type
62.5/125
μ
m
multimode fiber optic cable
Numerical aperture
0.275
Total link budget
11 db
Modal band
500 MHz/km
Zero dispersion wavelength
1295 to 1365 nm
Dispersion slope
< 0.093 ps/nm
2
-km
Table C-3.
Gigabit Cable Guidelines
Multimode Fiber
62.5/125-Micron
50/125-Micron
Operating Range
2 to 260 meters
2 to 550 meters