D-Link DFE-2616IX User Guide - Page 43
Switch Module DFE-260S, Fiber Optic Module DFE-260FX
UPC - 790069213885
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Switch Module (DFE-260S) The DFE-260S switch module is used to allow interconnection between the 10Mbps and 100Mbps segments in the hub or hub stack. Each hub stack should have one DFE-260S module (such as the one included in the DFE2616x, DFE-2616ix, DFE-2624x or DFE-2624ix) to allow 10Mbps and 100Mbps stations to intercommunicate. Note that the DFE-260S module can only be installed in Slot 1 - the center slot. Also, the presence of switch modules and their operational status can be viewed on the etwork Monitoring - Bridge Information" screen. NOTE: In a stack containing a DFE-2616i, DFE-2624i, DFE-2616ix, or DFE-2624ix intelligent master hub, more than one DFE-260S switch module may be used to provide increased reliability through redundancy. The software management agent can control the DFE-260S modules to provide link redundancy and prevent network loops but only when multiple modules are installed in hubs on the primary master segment. Fiber Optic Module (DFE-260FX) The Fiber Optic module provides a standard Fast Ethernet 100BASE-FX fiber optic connector. A fiber optic connection of this kind is particularly useful for creating a link between two DFE-2600 series hub stacks, placing them in separate collision domains. A link of this sort eliminates the need for an external switch to divide stacks into separate domains. Dividing the stacks into separate collision domains overcomes the Fast Ethernet two-repeater limitation, and effectively doubles overall bandwidth. The Fiber Optic module includes the following LED indicators: Making Connections 31