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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. When a switch is connected to a hub or any kind of shared
media, remember to turn off back pressure to prevent jamming
packets from being propagated thoughout the hub.
3. For network applications that require routing (such as when
interconnecting dissimilar network types or distinct VLANs),
you may have to attach the TigerSwitch 10/100 units directly to
a router or Layer 3 switch (such as the SMC6724L3).
4. The multimode fiber modules are fitted with SC connectors,
but you can attach an ST plug to the switch using SMC’s
optional SC-to-ST plug converter (Part Number: 99-012034-091,
for 62.5/125 micron cable only). If you do use an ST plug
converter, be sure you run cable from the Rx (Tx) port on the
module to the Tx (Rx) port on the target device.
5. As a general rule:
• The length of Gigabit 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.
• The length of 100BASE-FX fiber optic cable for a single
switched link should not exceed 2 km (1.24 miles) for
multimode fiber or 20 km (2.43 miles) for single-mode
fiber.
However, power budget constraints must also be considered
when calculating the maximum cable length for your specific
environment.
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