3Com 3C16723A, 3C16721A, 3C16722A manual Country Telephone Number Asia, Pacific Rim, Europe

Page 26

Here is a list of worldwide technical telephone support numbers:

Country

Telephone Number

Country

Telephone Number

 

 

 

 

Asia, Pacific Rim

 

 

 

Australia

1 800 678 515

P.R. of China

10800 61 00137 or

Hong Kong

800 933 486

 

021 6350 1590

India

+61 2 9937 5085

Singapore

800 6161 463

Indonesia

001 800 61 009

S. Korea

 

Japan

0031 61 6439

From anywhere in S. Korea:

00798 611 2230

Malaysia

1800 801 777

From Seoul:

(0)2 3455 6455

New Zealand

0800 446 398

Taiwan, R.O.C.

0080 611 261

Pakistan

+61 2 9937 5085

Thailand

001 800 611 2000

Philippines

1235 61 266 2602

 

 

Europe

From anywhere in Europe, call: +31 (0)30 6029900 phone +31 (0)30 6029999 fax

Europe, South Africa, and Middle East

From the following countries, you may use the toll-free numbers:

Austria

0800 297468

Netherlands

0800 0227788

Belgium

0800 71429

Norway

800 11376

Denmark

800 17309

Poland

00800 3111206

Finland

0800 113153

Portugal

0800 831416

France

0800 917959

South Africa

0800 995014

Germany

0800 1821502

Spain

900 983125

Hungary

00800 12813

Sweden

020 795482

Ireland

1800 553117

Switzerland

0800 55 3072

Israel

1800 9453794

U.K.

0800 966197

Italy

1678 79489

 

 

 

 

 

 

26

Image 26
Contents OfficeConnect Fast Ethernet Hub 4, Hub 8, Hub 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Introduction Creating Your Network Page Introduction Creating Your Network Fast Ethernet Hub 4 and Hub 8-Front100BASE-TX RJ-45 ports Power adapter socketFast Ethernet Hub 4 and Hub 8-Rear Alert LED Power LED Collision LED Fast Ethernet Hub 12-FrontUplink/Normal switch Fast Ethernet Hub 12-RearHub Connections Before You StartWorkstation Connections Stacking Clip Stacking the Units TogetherRubber Feet Positioning Your OfficeConnect Hub Securing Your HubExample Connecting Workstations and Other Equipment to Your HubConnecting OfficeConnect Hubs Together Checking Hub Connections Connecting 100BASE-TX HubsConnecting to 10BASE-T Networks Spot ChecksProblem Solving Straight-through Cable/Crossover Cable Networking Terminology OfficeConnect Fast Ethernet Hub Dimensions and StandardsDimensions and Operating Conditions Standards EMCRegulated Materials Statement Environmental StatementsEnd Of Life Statement Environmental Statement about the DocumentationImportant Safety Information Wichtige Sicherheitshinweise Consignes Importantes DE Sécurité Technical Support Online Technical Services3Com Knowledgebase Web Services World Wide Web SiteSupport from Your Network Supplier Support from 3ComEurope, South Africa, and Middle East Country Telephone Number Asia, Pacific RimEurope Country Telephone Number Latin America North AmericaReturning Products for Repair Country Telephone Number Fax Number3Com Corporation Limited Warranty Warranties Exclusive Disclaimer Electromagnetic Compatibility Page Page Page Part No. DUA 1672-1AAA03 Published June

3C16723A, 3C16721A, 3C16722A specifications

The 3Com 3C16722A, 3C16721A, and 3C16723A are part of a series of networking devices designed to enhance network performance, reliability, and management capabilities in various environments. These devices are primarily used in enterprise networks, catering to different sizes and types of network infrastructures.

The 3C16722A is a high-performance Ethernet switch featuring 24 ports that support 10/100/1000 Mbps speeds. Its main features include auto-MDI/MDI-X capabilities, which automatically detect connections and configure the ports accordingly, facilitating seamless integration. This switch supports VLAN (Virtual Local Area Network) functionality, enabling network segmentation and improved security. With robust forwarding capabilities, the 3C16722A ensures efficient data transfer within a network, making it ideal for organizations that require high bandwidth for data-intensive applications.

The 3C16721A, while similar to the 3C16722A, is designed for users who require fewer ports but still demand high-speed connectivity. Offering 16 ports, the 3C16721A also operates at 10/100/1000 Mbps and incorporates advanced features such as Quality of Service (QoS) settings. QoS prioritizes critical network traffic, ensuring that voice and video data are transmitted with minimal latency, which is essential for businesses that depend on real-time communication tools.

Lastly, the 3C16723A combines the functionalities of both its counterparts but extends the port offerings to cater to larger networks. Featuring 48 ports, this switch can support multiple devices simultaneously, providing extensive connectivity options. Additionally, it offers stacking support, allowing multiple switches to operate as a single unit. This capability enables network administrators to manage larger systems more efficiently and simplifies the overall network architecture.

Each of these devices utilizes advanced technologies such as Spanning Tree Protocol (STP) for loop prevention and link aggregation to enhance throughput by combining multiple connections. Security features, including port security and access control lists, are also integrated to protect sensitive data and maintain network integrity. Overall, the 3Com 3C16722A, 3C16721A, and 3C16723A are versatile networking solutions that deliver performance, scalability, and security for modern enterprise networks.