3Com 100BASE-FX, 10/100BASE-TX quick start Emissions Compliance Statements for Class a Products

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EMISSIONS COMPLIANCE

STATEMENTS FOR CLASS A

PRODUCTS

Federal Communications

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15

Commission Notice

of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the

 

equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio

 

frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful

 

interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful

 

interference, in which case the user will be required to correct the interference at his or her own expense.

Canadian Emissions

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

Requirements

Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du

 

 

Canada.

VCCI Class A Compliance

 

This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information

Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise.

When such trouble occurs, the user may be required to take corrective actions.

EMC DIRECTIVE

STATEMENT

EMC Directive Compliance

This equipment was tested and found to conform to the Council Directive 89/336/EEC for electromagnetic

 

compatibility. Conformity with this Directive is based upon compliance with the following harmonized standards:

 

EN 55022

Limits and Methods of Measurement of Radio Interference

 

EN 50082-1

Electromagnetic Compatibility Generic Immunity Standard:

 

 

Residential, Commercial, and Light Industry

 

Warning: This is a Class A product. In a domestic environment, this product may cause radio interference, in which

 

case you may be required to take adequate measures.

 

 

 

LOW VOLTAGE DIRECTIVE

 

 

STATEMENT

 

 

Low Voltage Directive

This equipment was tested and found to conform to the Council Directive 72/23/EEC for safety of electrical

Compliance

equipment. Conformity with this Directive is based upon compliance with the following harmonized standard:

 

EN 60950

Safety of Information Technology Equipment

 

 

 

GENERAL APPROVAL

 

 

STATEMENT FOR UK

 

 

UK General Approval Statement

This equipment is manufactured to the international Safety Standard EN60950 and is approved in the UK under the

 

General Approval Number NS/G/12345/J/100003 for indirect connection to the public telecommunication network.

 

 

 

AUSTRALIAN EMC

 

 

FRAMEWORKS STATEMENT

 

 

Australian EMC Frameworks

This product conforms to the EMC Frameworks and meets the Class A limits of AS3548.

Compliance

 

 

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Contents Port 100BASE-FX For the CoreBuilder 9000 Enterprise Switch100BASE-FX Class LED Product ESD Safety Information Instructions Installation Prerequisites Page Up to 2 can be Accessed by this Module Up to 2 can be Accessed by this Module Not applicable Up to 2 can be Accessed by this Module Up to 2 can be Accessed by this Module Not applicable Reserved for an SFM Not applicable Reserved for an SFM Not applicable Page Spring-loaded Screws Spring-loaded Screw Page LED Web Management Administration ConsoleEnvironmental Requirements Physical SpecificationsPower Specifications Cabling RequirementsRelated CoreBuilder Documents Regulatory Compliance Safety EmissionsCoreBuilder 9000 Documentation CD-ROM 3Com Corporation Limited Warranty Warranties Exclusive Emissions Compliance Statements for Class a Products 3Com Corporation 5400 Bayfront Plaza Santa Clara, California

100BASE-FX, 10/100BASE-TX specifications

3Com 10/100BASE-TX and 100BASE-FX are network technologies that played a pivotal role in the evolution of Ethernet networking. As part of the Fast Ethernet standard, these protocols allow for the transfer of data at high speeds, which has benefited various industries and residential environments.

10/100BASE-TX, often referred to simply as Fast Ethernet over twisted pair, can operate at both 10 Mbps and 100 Mbps speeds, providing flexibility for network installations. This dual-speed feature is facilitated through the use of Category 5 or higher twisted pair cabling. With the ability to automatically negotiate the optimal speed, 10/100BASE-TX allows devices to communicate effectively in diverse network environments, minimizing compatibility issues.

One of the standout characteristics of 10/100BASE-TX is its ease of installation. The use of twisted pair wiring—the same type often used for telephone lines—reduces complexity and lowers infrastructure costs. This technology also supports the use of various physical layer standards, making it adaptable for different network architectures. Power over Ethernet (PoE) capabilities are an added advantage, allowing both data and electrical power to be delivered via the same cabling, simplifying setups for devices like IP cameras and wireless access points.

On the other hand, 100BASE-FX represents Fast Ethernet over fiber optics, providing a different solution for high-speed networking. Operating at 100 Mbps, it is particularly suited for long-distance data transmission, capable of distances up to 2 kilometers using multimode fiber and up to 20 kilometers with single-mode fiber. This makes 100BASE-FX an ideal choice for interconnecting different buildings within a campus or for connecting remote offices.

In terms of technology, 100BASE-FX utilizes light waves to transmit data, resulting in lower attenuation and immunity to electromagnetic interference, a major advantage in environments with substantial electrical noise. This optical technology enhances security as fiber optics are inherently more difficult to tap into without detection.

Overall, both 3Com's 10/100BASE-TX and 100BASE-FX are significant in their contributions to networking technology. They offer unique features that cater to distinct networking needs, whether for short-range, flexible deployments using copper cabling or for long-distance, high-capacity deployments using fiber optics. Their continued relevance speaks to their robust design, versatility, and reliability in a rapidly evolving technological landscape.