1000base-sx gigabit module, 1000base-lx gigabit module – D-Link DES-3225G User Manual
Page 20
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).