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DES-3326S Layer 3 Fast Ethernet Switch User’s Guide
32 Identifying External Components
♦ Front-panel module.
♦ Connects to 1000BASE-T devices.
♦ Supports Category 5e UTP or STP cable connections of up
to 100 meters.
1000BASE-SX Fiber Module
Figure 3-7. 1000BASE-SX two-port module
♦ Front-panel module.
♦ Connects to 1000BASE-SX devices at full-duplex.
♦ Allows connections using multi-mode fiber optic cable in the
following configurations:
62.5µm 62.5µm 50µm 50µm
Modal bandwidth
(min. overfilled launch)
Unit: MHz*km
160 200 400 500
Operating distance
Unit: meters
220 275 500 550