Structured Manufacturing Data (2026)

Network Interface Controller (NIC)

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Network Interface Controller (NIC) used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Network Interface Controller (NIC) is characterized by the integration of PHY Chip and MAC Controller. In industrial production environments, manufacturers listed on CNFX commonly emphasize Printed Circuit Board (PCB) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Hardware component that enables network connectivity for industrial communication gateways

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Product Specifications

Technical details and manufacturing context for Network Interface Controller (NIC)

Definition
A Network Interface Controller (NIC) is an essential hardware component within an Industrial Communication Gateway that provides the physical interface for connecting to various industrial networks. It facilitates data transmission between the gateway and field devices, PLCs, sensors, and other industrial equipment by converting data into appropriate network signals and protocols.
Working Principle
The NIC operates by receiving data from the gateway's processor, converting it into electrical signals suitable for the specific network medium (Ethernet, PROFINET, EtherCAT, etc.), and transmitting it through physical connectors. It also receives incoming signals, converts them back to digital data, and passes them to the gateway for processing. The controller manages network protocols, error checking, and data flow control.
Common Materials
Printed Circuit Board (PCB), Integrated Circuits, Copper connectors, Plastic housing
Technical Parameters
  • Data transfer rate supported by the network interface (Mbps) Customizable
Components / BOM
  • PHY Chip
    Physical layer transceiver that converts digital data to analog signals for transmission
    Material: Semiconductor silicon
  • MAC Controller
    Media Access Controller that manages data flow and protocol handling
    Material: Integrated circuit
  • Connector Port Part
    Physical interface for network cable connection
    Material: Copper alloy with plastic housing
  • Magnetics Module
    Provides electrical isolation and signal conditioning
    Material: Ferrite cores and copper windings

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Network Interface Controller (NIC).

Network Interface Card Network Adapter industrial communication gateway NIC manufacturing network interface controller industrial Ethernet controller hardware PCB-based network connectivity component gateway network interface card specs

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Communication Gateway
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (electronic component)
other spec: Operating voltage: 3.3V ±5%, Power consumption: <2.5W typical
temperature: -40°C to 85°C
Media Compatibility
✓ Ethernet/IP industrial networks ✓ PROFINET communication systems ✓ Modbus TCP/IP protocols
Unsuitable: High EMI/RFI environments without proper shielding
Sizing Data Required
  • Required network bandwidth (e.g., 1Gbps, 10Gbps)
  • Industrial protocol support requirements
  • Environmental protection rating needed (e.g., IP rating, operating temperature)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal degradation
Cause: Prolonged overheating due to inadequate cooling, high ambient temperatures, or dust accumulation on heatsinks leading to solder joint fatigue, component drift, and eventual failure.
Electrostatic discharge (ESD) damage
Cause: Improper handling during installation or maintenance, lack of grounding, or environmental static buildup causing immediate or latent failure of sensitive semiconductor components.
Maintenance Indicators
  • Intermittent or complete loss of network connectivity despite functional cables/ports
  • Abnormal LED behavior (e.g., flickering, incorrect colors, or no activity lights) or audible coil whine from the NIC
Engineering Tips
  • Ensure proper airflow and regular cleaning of server/rack environments to prevent dust buildup and maintain optimal operating temperatures for NIC components.
  • Implement ESD-safe handling procedures (wrist straps, mats) during installation/replacement and use surge-protected power/UPS systems to guard against electrical transients.

Compliance & Manufacturing Standards

Reference Standards
ISO/IEC 11801: Information technology - Generic cabling for customer premises ANSI/TIA-568.2-D: Balanced Twisted-Pair Telecommunications Cabling and Components Standards CE Marking (EU Directive 2014/35/EU): Low Voltage Directive for electrical equipment safety
Manufacturing Precision
  • Connector Pin Alignment: +/-0.1mm
  • PCB Trace Width Tolerance: +/-10%
Quality Inspection
  • Signal Integrity Testing (Eye Diagram Analysis)
  • Electromagnetic Compatibility (EMC) Testing

Factories Producing Network Interface Controller (NIC)

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of this Network Interface Controller in industrial settings?

This NIC enables reliable network connectivity for industrial communication gateways, facilitating data transmission between manufacturing equipment and control systems in computer and electronic product manufacturing environments.

What materials ensure durability in this industrial NIC?

Constructed with a Printed Circuit Board (PCB), integrated circuits, copper connectors, and plastic housing to withstand industrial environments while maintaining optimal signal integrity and network performance.

What are the key components in this NIC's Bill of Materials (BOM)?

The BOM includes a Connector Port for physical connections, MAC Controller for data link layer management, Magnetics Module for signal isolation, and PHY Chip for physical layer signal processing.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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