Allied Telesis AT-2911SX/LC-901 – TAA PCIe Gigabit Fiber NIC LC 1G

Product Overview

The Allied Telesis AT-2911SX/LC-901 is a TAA-compliant Allied Telesis PCIe fiber NIC LC 1 gigabit adapter for servers, workstations, and enterprise systems requiring direct multimode fiber connectivity. Leveraging a PCI Express x1 host interface, this TAA federal gigabit multimode fiber NIC delivers 1000 Mbps over 1000Base-SX multimode fiber via its duplex LC connector. As a federal-compliant PCIe fiber network card with LC connector, it qualifies for U.S. government procurement under GSA Schedule and TAA-governed contracts. The card supports full-height and low-profile PCIe bracket configurations, covering both standard rack servers and compact/1U chassis installations.

Product Description

The AT-2911SX/LC-901 is a PCI Express x1 gigabit Ethernet adapter designed for deployment in servers and high-performance workstations that need to connect to multimode fiber networks using the widely adopted LC duplex connector standard. The card operates on the 1000Base-SX standard, providing up to 250 MB/s of dedicated fiber bandwidth for demanding network applications including data center storage traffic, server-to-switch uplinks, and enterprise LAN connectivity. The 32/64-bit PCIe x1 card fits any available PCIe slot on a compatible motherboard, with both full-height and low-profile brackets included to accommodate diverse chassis configurations. For organizations transitioning or expanding existing fiber cabling infrastructure with LC patch panels and LC-terminated fiber runs, the AT-2911SX/LC-901 provides direct plug-and-play compatibility. Jumbo frame support up to 9000 bytes reduces protocol overhead in high-throughput environments. The card is TAA compliant, RoHS certified, and manufactured in Singapore. It is appropriate for federal IT modernization projects, military base infrastructure upgrades, and any government agency requiring Buy American Act-compliant gigabit fiber NICs. For environments using SC-terminated fiber cabling, refer to the AT-2911SX/SC-901 variant.

Key Features

• TAA Compliant — Fully compliant with the Trade Agreements Act for federal, defense, and government procurement requirements.
• 1000Base-SX Multimode Fiber (LC) — Gigabit Ethernet over multimode fiber with duplex LC connector, the most widely deployed fiber connector in enterprise environments.
• PCI Express x1 Host Interface — Installs in any 32/64-bit PCIe x1, x4, x8, or x16 slot without performance penalty for the card's bandwidth requirements.
• Full-Height and Low-Profile Brackets Included — Single package supports both standard rack server and compact/1U low-profile chassis installations.
• 250 MB/s Dedicated Fiber Bandwidth — Provides full gigabit throughput for server-to-switch fiber uplinks and storage network connectivity.
• Jumbo Frame Support — Supports frames up to 9000 bytes, reducing CPU overhead for storage, virtualization, and large-file-transfer workloads.
• RoHS Certified — Meets EU and international environmental standards for restriction of hazardous substances.
• Plug-in PCIe Card — No external power required; installs directly into a PCIe slot for immediate operation.
• Single LC Port — Dedicated gigabit fiber connection compatible with standard LC duplex fiber patch cables and panels.

Typical Applications

• U.S. federal, military, and government server deployments requiring TAA-compliant gigabit fiber NICs with LC connectors
• Enterprise server-to-switch fiber uplinks in environments standardized on LC fiber patch panels
• Workstation connectivity to fiber-backbone networks in CAD, video production, and high-throughput compute environments
• Data center server NIC upgrades adding multimode fiber connectivity via PCIe expansion
• Low-profile and 1U rack server installations requiring a fiber NIC with LC interface
• Storage area network (SAN) and NAS connectivity over multimode fiber in enterprise environments

Technical Specifications

Frequently Asked Questions

Q: Is the AT-2911SX/LC-901 TAA compliant for federal government purchasing?

Yes. The AT-2911SX/LC-901 is fully TAA compliant, qualifying it for U.S. federal procurement under GSA Schedule contracts and other government acquisition vehicles requiring Buy American Act compliance.

Q: What operating systems does this NIC support?

The AT-2911SX/LC-901 supports major operating systems including Windows Server (2012/2016/2019/2022), Windows 10/11, and major Linux distributions. Consult the Allied Telesis product page or driver release notes for a complete OS compatibility list.

Q: What fiber type and distance are supported?

The card uses 1000Base-SX over multimode fiber with duplex LC connectors. Supported fiber types include 50/125 µm OM2/OM3 and 62.5/125 µm OM1. Maximum distances are up to 550 m on 50/125 OM2 fiber and up to 275 m on 62.5/125 fiber.

Q: What is the difference between the LC and SC versions?

The AT-2911SX/LC-901 uses an LC duplex connector, while the AT-2911SX/SC-901 uses an SC duplex connector. Both are 1000Base-SX multimode fiber NICs with the same PCIe x1 interface. Choose based on your existing fiber patch panel and cabling connector type.

Q: Does the card support low-profile chassis?

Yes. The package includes both full-height and low-profile PCIe brackets. Install the low-profile bracket for 1U rack servers and compact chassis with low-profile PCIe slots.

Q: Does this NIC support jumbo frames?

Yes. Jumbo frames up to 9000 bytes are supported, reducing CPU overhead for large data transfers in storage, virtualization, and backup environments.

Q: What PCIe slot size is required?

The card uses a PCIe x1 interface but is physically and electrically compatible with x1, x4, x8, and x16 slots on 32-bit or 64-bit systems.