Name: 3C509B-COMBO 3Com 10 Mbps ISA EtherLink III Network Interface Card
Brand: 3Com
SKU: 3C509B-COMBO
Price: 179.33 USD
Availability: InStock
Rating: 4.8 (116 reviews)

Product Overview
The 3Com EtherLink III ISA Network Interface Card provides essential 10 Mbps Ethernet connectivity via the ISA bus, fitting comfortably into older desktop computers. It’s a straightforward solution that enables reliable networking on systems using legacy hardware, helping maintain network access without upgrading the entire machine.

General Information
Brand	3Com
Part Number	3C509B-COMBO

Technical Information
Chipset/Controller	3Com 3C509
Data Center Bridging	No
Number of Ports	1-Port
Bracket Height	Full Height (Standard)

Connectivity & Physical
Port Type	RJ-45 (Copper)
Weight	5.00
Condition	Refurbished

Product Description
The 3Com EtherLink III ISA Network Interface Card is designed to connect computers to Ethernet networks using the ISA bus architecture. It enables devices to communicate over a 10 Mbps Ethernet connection, making it suitable for basic networking needs in office or home setups. Often found in legacy systems, this NIC is built for environments where ISA slots are common, providing stable and straightforward network access. Network administrators and users maintaining older computer equipment typically use this card to ensure continued network connectivity. Key Features Reliable 10 Mbps Ethernet connectivity with ISA compatibility Works with standard 3Com EtherLink III driver software Supports CSMA/CD for efficient network traffic management 16-bit data path designed for ISA bus systems Durable design suitable for older desktop PCs This network card is typically found in vintage or industrial PCs that still rely on ISA expansion slots. It provides necessary Ethernet access without requiring modern bus architectures, supporting legacy network setups effectively. By offering a stable network link, the card plays a practical role in older network environments where replacing the entire system isn’t feasible, maintaining connectivity with minimal fuss.

Use Cases
The 3C509B-COMBO 3Com EtherLink III ISA Network Interface Card is primarily used in legacy desktop systems that require stable 10 Mbps Ethernet connectivity. It serves environments where modern hardware upgrades are impractical but network connectivity remains critical, particularly in facilities with established ISA-based infrastructure. How It's Used: Integration into industrial control systems where ISA slots are prevalent and consistent network access is necessary. Deployment in legacy office workstations within SMBs maintaining older hardware for cost-effective operations. Use in educational labs with vintage computers, enabling network communication for file sharing and resource access. Support for network connectivity in remote branch offices with dated computing equipment requiring minimal bandwidth. Replacement or upgrade of existing ISA NICs in archival or museum computing setups preserving historical hardware. This NIC supports operational reliability for networks relying on ISA bus systems, ensuring consistent 10 Mbps performance without the need for costly system overhauls. Its compatibility with established ISA architectures facilitates seamless integration and network continuity in environments constrained by legacy hardware limitations.

Tech Atlantix

3C509B-COMBO 3Com 10 Mbps ISA EtherLink III Network Interface Card

3C509B-COMBO

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