4 TROUBLESHOOTING

If you have difficulty with the 3Com Wireless LAN access point, first check the following items in the configuration:

nRadio Settings page: Ensure that the SSID is the same on clients and the access point.

n

n

Security page: Ensure that Encryption is the same on clients and the access point.

Authentication page: Ensure that the Local MAC Authentication System Default is set to Allow. Ensure that 802.1x Authentication Settings are correct.

nTCP/IP Settings page: If the DHCP Client is set to Disabled, then ensure that the access point IP Address is within the same subnet as the wired LAN.

If necessary, reset the access point to the factory defaults.

Try the solutions in the following table. If you need further assistance, contact 3Com Technical Support through the following Web page: http://www.3com.com/products/en_US/supportedindex.jsp

Symptom

Solutions

 

 

Access point does not

Make sure the Ethernet cable is plugged into the port labeled

power up.

To Access Point on the power brick.

 

Check for a faulty access point power supply.

 

Check for a failed AC power supply

 

 

Access point powers up, but

Make sure that the Ethernet cable is plugged into the port

has no connection to the wired

labeled To Hub/Switch on the power brick.

network.

Verify the network wiring and topology for proper

 

 

configuration. Check that the cables used are the proper type.

49

Page 49
Image 49
3Com 3CRWE825075A, 3CRWE850075A, 3CRWE875075A manual Troubleshooting

3CRWE875075A, 3CRWE850075A, 3CRWE825075A specifications

The 3Com 3CRWE850075A, 3CRWE875075A, and 3CRWE825075A are high-performance wireless networking devices that cater to the needs of small to medium-sized businesses, educational institutions, and similar environments. These Wireless LAN access points stand out due to their robust features, scalability, and advanced technologies, ensuring reliable connectivity and high data throughput.

The 3CRWE850075A is designed for the commercialization of high-speed Internet access and multimedia applications. It operates on the 802.11g standard, providing data rates of up to 54 Mbps. Utilizing MIMO (Multiple Input Multiple Output) technology, it effectively doubles the throughput by employing multiple antennas both at the transmitter and receiver ends. This results in improved signal quality and range, ensuring users maintain a strong connection even in high-density environments.

The 3CRWE875075A takes connectivity a step further, supporting both 802.11g and 802.11b standards while providing backward compatibility. It offers a sleek configuration that supports multiple SSIDs, enabling secure guest access while maintaining network integrity. This model is particularly proficient in dealing with heavy traffic situations, ensuring consistent performance across various applications, from data transfer to VoIP services.

The 3CRWE825075A is a versatile access point that excels in providing comprehensive coverage in larger environments. Its unique feature set includes Power over Ethernet (PoE) capabilities, allowing easy deployment in locations without power outlets. This makes installation more flexible and economical. Furthermore, it supports WPA/WPA2 encryption protocols for enhanced security, ensuring the protection of sensitive data transmitted over the network.

All three models prioritize ease of management with web-based interfaces, allowing network administrators to configure and monitor the access points effortlessly. They support Quality of Service (QoS) features, enabling the prioritization of critical applications and enhancing overall user experience during peak usage times.

In summary, the 3Com 3CRWE850075A, 3CRWE875075A, and 3CRWE825075A access points feature advanced wireless technologies, scalable options, and robust security measures designed to meet the demands of modern networking needs. These devices are suitable for various organizational scenarios, providing seamless connectivity, high performance, and reliability, making them essential components in today’s wireless communication infrastructure.