SMC Networks SMC7824M/FSW Instrukcja Użytkownika Pobierz pdf (Strona 39)

PPLICATION

OTES

2-7

Application Notes

1. Full-duplex operation only applies to point-to-point access (such as

when a switch is attached to a workstation, server or another switch).

When the switch is connected to a hub, both devices must operate in

half-duplex mode.

2. To interconnect distinct VLANs or IP subnets, you can attach the

switch to a standard Layer 3 router. For network applications that

require routing between dissimilar network types, attach the switch to a

multi-protocol router.

3. As a general rule, the length of fiber optic cable for a single switched

link should not exceed:

• 1000BASE-SX: 550 m (1805 ft) for multimode fiber, duplex fiber

• 1000BASE-LX: 10 km (6.2 miles) for single-mode fiber, duplex

fiber

• 1000BASE-ZX: 70 km (43 miles) for single-mode fiber, duplex

fiber

However, power budget constraints must also be considered when

calculating the maximum cable length for your specific environment.

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SMC Networks SMC7824M/FSW Instrukcja Użytkownika Strona 39