User's Manual
Chapter 1: Overview
18
Physical Description
The AT-2911 Series Gigabit Ethernet Network Adapters are integrated 
Ethernet network interface cards based on Broadcom’s BCM5718 chipset 
with a PCI Express (PCIe) x1 version 2 interface.
The AT-2911 series adapter connects a PCIe compliant computer to a 
Gigabit Ethernet network. Allied Telesis offers models equipped with a 
single port interface or dual port interface in the AT-2911 series. 
The AT-2911 adapter is equipped with single or dual fiber optic connector, 
copper connector, SFP slot, or a combination of these connectors.
AT-2911 Series
Single Port
Adapters
The following AT-2911 series models are equipped with a single port 
interface:
 AT-2911SX/SC
 AT-2911SX/LC
 AT-2911LX/SC
 AT-2911LX/LC
 AT-2911SFP
The AT-2911SX/SC adapter card is shown in Figure 1.
Figure 1. AT-2911SX/SC Adapter










