
Chapter 1: Introducing the AT-2812FX Module
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Functional Description
The AT-2812FX is a highly integrated Fiber Fast Ethernet ExpressCard/34
module based on Broadcom’s BCM5761S chipset. It provides an PCI
ExpressCard interface with SC connections to multimode fiber.
Using fiber optic cabling and a connector that meets 62.5/125 µm or 50/
125 µm multimode specifications, the AT-2812FX module connects a
laptop computer to a Fast Ethernet network. This module operates at
speeds of 100 Mbps in both full-duplex and half-duplex modes.
PCI ExpressCard is the new notebook interface that replaces the PCMCIA
Card Bus interface. The PCI ExpressCard interface is available in 34 mm
and 54 mm interface-slot sizes. You can install the AT-2812FX module in
either slot.
The AT-2812FX module has an SC connector, as show in Figure 1.
Figure 1. AT-2812FX Module
Contents of Your
Shipment
The following items are included with your module:
Antistatic bag (used for protecting the module when stored or
shipped). Keep the module in its packaging until ready for installation.
Plastic enclosure (attached to the module)
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