Name: Etherlink II 16TP Network Interface Card / Adapter
Brand: 3Com
Price: 73.95 USD
Availability: InStock

3Com 3C503-16TP Etherlink II 16TP Network Interface Card / Adapter

price

$73.95

In Stock: 2
Manufacturer: 3Com
Model or Part: 3C503-16TP
Condition: Refurbished
Weight: 2.00lb
Dimensions: 8.00in x 6.00in x 2.00in

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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 Etherlink II 16TP Network Interface Card (model 3C503-16TP) delivers reliable Ethernet connectivity for legacy desktop computers and workstations. Designed to fit standard ISA slots, this adapter provides fast 10/100 Mbps networking with full duplex support, making it an ideal upgrade for systems that require stable wired connections in office or industrial environments.

Key Features

Dual speed operation at 10 and 100 megabits per second
Full duplex mode reduces collisions and maximizes throughput
ISA form factor compatible with most PCs built before the early 2000s
Plug-and-play installation with automatic driver detection on supported operating systems
LED status indicators for link activity, speed, and collision detection
Low power consumption suitable for energy conscious deployments

Technical Specifications

Manufacturer: 3Com
Model/Part Number: 3C503-16TP
Interface: 16-bit ISA slot
Supported Media: Twisted pair (RJ45) cabling, up to 100 meters per segment
Data Rates: 10 Mbps (half duplex), 100 Mbps (full duplex)
Connector Type: RJ45 with integrated magnetics
Operating Temperature: 0 deg C to 55 deg C
Dimensions: Standard ISA card size (12.8 cm x 11.4 cm)
Compliance: IEEE 802.3, EIA/TIA-568A/B standards

Applications

Upgrading legacy PCs in corporate offices to modern Ethernet speeds
Connecting industrial control systems that rely on ISA architecture
Providing network access for point-of-sale terminals and cash registers
Enabling reliable wired networking for educational computer labs with older hardware
Supporting embedded systems that require a compact, low-profile Ethernet solution

This Etherlink II 16TP card offers a cost-effective path to bring outdated machines into today's networked world without sacrificing performance or stability.