Name: NIC Etherlink II Network Interface Card
Brand: 3Com
Price: 308.95 USD
Availability: InStock

3Com 3C503-16 NIC Etherlink II Network Interface Card

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$308.95

Ships from outside of the USA. Please allow up to 2 weeks for delivery.

In Stock: 1
Manufacturer: 3Com
Model or Part: 3C503-16
Condition: Refurbished
Weight: 2.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The 3Com 3C503-16 Etherlink II Network Interface Card is a classic ISA-based Ethernet adapter that delivers reliable 10 megabit per second connectivity for legacy desktop and server platforms. Designed for easy installation in standard PC slots, this NIC provides a proven solution for environments that still rely on older hardware while maintaining compatibility with modern network standards. Its robust construction and low-profile form factor make it an ideal choice for industrial PCs, point-of-sale terminals, and legacy workstations that require stable wired networking.

Key Features

10Base-T Ethernet support for fast and reliable data transmission
ISA bus interface compatible with 8-bit and 16-bit slots
Plug-and-play driver support for major operating systems including Windows 95/98/ME, Windows NT, and DOS
Low power consumption and heat generation for continuous operation
LED status indicators for link activity and data transfer

Technical Specifications

Interface: 16-bit ISA slot
Network speed: 10 megabits per second (10Base-T)
Cable type: Category 3 or higher twisted pair
Connector: RJ-45 8-position modular jack
MAC address: Factory programmed, unique per card
Power requirement: 5 volts DC from ISA bus
Dimensions: Standard ISA card size, low profile bracket included

Typical Applications

Industrial control systems that need a durable Ethernet link
Legacy point-of-sale terminals requiring network connectivity
Older desktop computers in educational or training labs
Embedded systems and test equipment that use ISA architecture
Backup networking solutions for environments transitioning to newer hardware

With its straightforward installation, dependable performance, and broad compatibility, the 3Com 3C503-16 Etherlink II NIC continues to be a valuable component for maintaining network connectivity in legacy and specialized computing environments.