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1000base-sx gigabit module, 1000base-lx gigabit module – D-Link DES-3225G User Manual

Page 20

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24-port NWay Ethernet Switch User’s Guide

10

Identifying External Components

Two-port, front-panel module.

Connects to 100BASE-FX devices at full- or half-duplex.

Supports multi-mode fiber-optic cable connections of up to 412 meters in half duplex or 2 km in full duplex mode.

1000BASE-SX Gigabit Module

Figure 3-8. One-port, 1000BASE-SX module

One-port, rear-panel module.

Connects to 1000BASE-SX devices at full duplex or auto (auto negotiation is available in DES-3251G, version A3 and

later).

Allows connections using multi-mode fiber optic cable in the following configurations:

62.5

µ

µ m

62.5

µ

µ m

50

µ

µ m

50

µ

µ m

Modal bandwidth

(min. overfilled launch)

Unit: MHz*km

160

200

400

500

Operating distance

Unit: meters

220

275

500

550

Channel insertion loss

Unit: dB

2.33

2.53

3.25

3.43

1000BASE-LX Gigabit Module

Figure 3-9. One-port, 1000BASE-LX module

One-port, rear-panel module.

Connects to 1000BASE-LX devices at full duplex or auto (auto negotiation is available in DES-3251GL, version A3 and

later).