Nortel-networks 312865-A Uživatelský manuál stáhnout pdf (Strana 11)

1000BASE-LX

The Model 1000BASE-LX GBIC provides 1000BASE-LX

(1300 nm, wavelength, Gigabit Ethernet) connectivity using

SC duplex fiber connectors. The long wavelength optical

transceivers used in the LX model provide variable distance

ranges using both multimode and single-mode fiber optic

cabling. The Model 1000BASE-LX GBIC supports full-duplex

operation only

Cabling 62.5 µm MMF optic cable

50 µm MMF optic cable

Distance 902 ft. (275 m) using 62.5 µm

MMF optic

cable

1804 ft. (550 m) using 50 µm MMF optic cable

Wavelength 850 nm

Optical budget 7 dB

Laser Transmitter Characteristics

Minimum launch power -10 dBm

Maximum launch power -4 dBm

Receiver

Characteristics

Minimum receiver

sensitivity

-17 dBm

Maximum input power 0 dBm

Table 3 1000BASE-SX specifications (continued)

Type Specifications

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 17 18

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Nortel-networks 312865-A Uživatelský manuál Strana 11