2 Troubleshooting

Diagnosing Problems

If you have difficulty using the Wireless LAN PC Card, try the solutions in the following table. If you continue to experience difficulty, see the next two sections,“Uninstalling the PC Card” and “Uninstalling Wireless Card Manager

Problem

Solutions

Wireless LAN PC Card Power/Activity LED is off (applies to 3CRSHPW796 only)

Make sure the PC Card is properly inserted in the slot.

Check the Wireless LAN PC Card icon in the Windows control panel and make sure the PC Card type can be recognized.

 

Check “Confirming Device Installation” on page 6.

 

 

Wireless LAN PC Card installs as an

Remove the unknown device from the Device Manager and repeat the installation procedure.

unknown device

Make sure you insert the 3Com CD when the installation calls for it and that you wait for it to

 

come up to speed in the drive.

 

 

Installation program does not finish

Use the Device Manager to resolve resource conflicts that may exist. Select System from the

or the driver fails to load

Control Panel, and then click the Device Manager tab.

 

 

Network association is intermittent

Try reorienting the computer. For best use of the antenna:

 

Keep the area around the antenna clear from materials that could block radio transmission,

 

such as metal objects, electronic devices, and cordless telephones.

 

If the signal is weak, change the position of the computer slightly.

 

If necessary, move your computer a few inches to find a better signal.

 

 

Computer operating system does not

Make sure the card is properly inserted in the slot and Cardbus support is installed.

recognize the card

Windows XP, 2000, Me, and 98 SE: Check whether the computer has a Plug-and-Play BIOS.

 

 

 

No network association exists when

Log out and log in again, or restart the computer to restore the connections.

the computer becomes active again

 

after being in sleep mode or after the

 

Wireless LAN PC Card is removed and

 

reinserted

 

 

 

Uninstalling the PC Card

Previous installations or interrupted installation attempts sometimes leave problems that affect card operation. Possible problems include:

Wireless LAN PC Card fails to function.

Operating system does not detect the Wireless LAN PC Card.

System issues a warning tone at start-up.

If the installation is unsuccessful, your best course may be to completely uninstall the card and repeat the installation procedure.

CAUTION: Exit any networking applications and remove the Wireless LAN PC Card before uninstalling the card.

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3Com 3CRWE154G72, 3CRSHPW796 manual Troubleshooting, Diagnosing Problems, Uninstalling the PC Card

3CRWE154G72, 3CRSHPW796 specifications

The 3Com 3CRSHPW796 and 3CRWE154G72 are significant models in the realm of networking equipment, showcasing robust features and innovative technologies designed to meet the demands of contemporary networking environments. These devices are geared toward providing reliable connectivity and seamless performance for both home and office users.

The 3Com 3CRSHPW796 Wireless Access Point is designed to extend the reach of a local area network (LAN) by enabling wireless communication. Key features of the 3CRSHPW796 include support for multiple users, which is facilitated by its simultaneous dual-band capability that operates over 2.4 GHz and 5 GHz frequencies. This dual-band functionality helps mitigate interference and promotes smoother data transmission, making it ideal for environments with high network traffic. Along with this, it supports the latest IEEE 802.11ac wireless standards, providing enhanced speed and efficiency compared to its predecessors.

The access point includes advanced security features, such as WPA2 encryption, ensuring that connections remain secure against unauthorized access. Moreover, its Power over Ethernet (PoE) support allows for flexible installation options, as it can be powered through the Ethernet cable, removing the need for additional power sources.

On the other hand, the 3Com 3CRWE154G72 is a wireless router that combines networking features with user-friendly characteristics. It provides a comprehensive solution for both wired and wireless networking needs, supporting connection for multiple devices simultaneously. Featuring built-in firewall protection, the 3CRWE154G72 delivers enhanced security for home and small office networks, safeguarding against external threats.

This router also integrates Quality of Service (QoS) technologies, which prioritize bandwidth allocation for different types of traffic, thereby enhancing the performance of streaming and VoIP applications. Additionally, the device is designed to be easy to set up and configure, often involving an intuitive web interface that simplifies network management for users of all technical abilities.

In conclusion, both the 3Com 3CRSHPW796 and 3CRWE154G72 exemplify the fusion of performance, reliability, and security in the networking landscape. With their emphasis on dual-band technology, advanced security protocols, and user-centric features, these devices cater to a wide range of networking requirements, making them valuable assets for anyone seeking robust and trustworthy connectivity solutions.