Extreme Networks WM-4T1i Especificações descarregar pdf (Página 34)

1-8 Extreme Networks Consolidated Hardware Guide

Summary of Common Switch Features

*Extreme Networks proprietary. Connections between two Extreme Networks 1000BASE-LX interfaces can use a maximum

distance of 10,000 meters.

*The transmitter output power level for the 1000BASE-SX is -5 dBm. The maximum allowable receiver input power level is -17

dBm. Therefore, there is a minimum of 12 dB loss required for the link to operate without errors. This minimum required loss

can be achieved using a fiber length of 52 km (0.25 dB/km provides 8 dB loss), or by adding 10 dB of fixed optical attenuator

at the receiver end.

100BASE-FX

(1300 nm optical window)

50/125 µm multimode fiber

62.5/125 µm multimode fiber

400

500

400

500

2000

1000BASE-T

100BASE-TX

10BASE-T

Category 5 and higher UTP cable

Category 3 and higher UTP cable

–

100

Table 1-5: 1000BASE-SX Specifications

Parameter Minimum Typical Maximum

Transceiver

Optical output power -9.5 dBm -9.5 dBm -5 dBm*

Center wavelength 830 nm 850 nm 860 nm

Receiver

Optical input power sensitivity -17 dBm

Optical input power maximum -0 dBm

Operating wavelength 830 nm 860 nm

Table 1-6: 1000BASE-LX Specifications

Parameter Minimum Typical Maximum

Transceiver

Optical output power -9.5 dBm -11.5 dBm -3 dBm

Center wavelength 1285 nm 1310 nm 1343 nm

Receiver

Optical input power sensitivity -20 dBm

Table 1-4: GBIC Types and Maximum Distances (continued)

Standard Media Type

Mhz•Km

Rating

Maximum

Distance

(Meters)

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 305 306

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Extreme Networks WM-4T1i Especificações Página 34

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