Hitachi GR2000 Series Installation Manual page 190

Gigabit router

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requires an optical fiber cable with the specifications shown in Figure 3-85. One or

more cables of the same type is recommended to be prepared for spare. Table 3-99

shows the router's optical interface specifications for 100BASE-FX and

1000BASE-LH single-mode connections.

Boundary with network: router's connector

Graded index single-mode fiber

• 100BASE-FX: 9.5/125 µm core/clad, 1300 nm wavelength, max. attenuation 0.6

dB/km (max. 15 km) or 0.3 dB/km (max. 40 km)

• 1000BASE-LX: 9.5/125 µm core/clad, 1500 nm wavelength (max. 40 km, 80 km, 100 km

• 1000BASE-LH: 9.5/125 µm core/clad, 1500 nm wavelength, max. attenuation 0.3

dB/km (max. 70 km)

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