1000Base-Sx Gigabit Module; 1000Base-Lx Gigabit Module - D-Link DES-3225G Series User Manual

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

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:

1000BASE-LX Gigabit 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).
10
Figure 3-8. One-port, 1000BASE-SX module
Modal bandwidth
(min. overfilled launch)
Unit: MHz*km
Operating distance
Unit: meters
Channel insertion loss
Unit: dB
Figure 3-9. One-port, 1000BASE-LX module
24-port NWay Ethernet Switch User's Guide
62.5 m 62.5 m 50 m
160 200 400
220 275 500
2.33 2.53 3.25
50 m
500
550
3.43
Identifying External Components