SMC Networks SMC8624T Bedienungsanleitung PDF herunterladen (Seite 36)

ETWORK

LANNING

2-6

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. Avoid using flow control on a port connected to a hub unless it is

actually required to solve a problem. Otherwise back pressure jamming

signals may degrade overall performance for the segment attached to

the hub.

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

link should not exceed 550 m (1805 ft) for multimode fiber or 5 km

(16404 ft) for single-mode fiber. For longer connections, you can use a

1000BASE-ZX SFP transceiver, which supports runs of up to

100 kilometers.

However, power budget constraints must also be considered when

calculating the maximum cable length for your specific environment.

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SMC Networks SMC8624T Bedienungsanleitung Seite 36