14.Appendix (continued)

14.3Troubleshooting

14.3.1 Overview

Operation problems can be due to a variety of causes. The first step in solving them is to make sure that all cables are securely attached and seated completely in their sockets.

In addition, updating the product’s firmware may solve problems that have been discovered and resolved since the prior version was released. If your product is not running the latest firmware version, we strongly recommend that you upgrade. See section 7.7,

Upgrading the Firmware, for upgrade details.

14.3.2 Administration Problems

Symptom

 

Action

After upgrading firmware, the KVM switch still appears to

Delete all temporary Internet files and cookies, close the Web browser, and then open a new

be using the old firmware version.

 

instance of the Web browser.

 

 

 

After making changes and checking Reset on exit and

Upgrade your browser to Internet Explorer 6.0.2800.1106 or higher.

then logging out, the KVM switch doesn’t reset after I exit.

 

 

 

 

After making changes and checking Reset on exit, when

Log in from a remote console to automatically recover the correct date. If you log in from the

I log back in the calendar changes to an incorrect (much

local console, go to the Administration page and reset the calendar to the correct date.

earlier) date.

 

 

 

 

 

 

 

 

14.3.3 General Operation Problems

 

 

 

 

 

Symptom

Action

 

Erratic operation

Press and hold the Reset button for at least three seconds.

 

 

Mouse and/or keyboard not responding

Unplug the cable(s) from the console port(s), and then plug it back in again.

 

 

Sudden loss of network connection

Close your KVM switch connection. Wait approximately 30 seconds, and then log in again.

 

 

When logging in from a browser, the following

Make sure to include the forward slash and correct login string when you specify the KVM switches IP

message appears: 404 Object Not Found.

address. (See Default Webpage Name, section 7.6.5)

 

 

Two pointers appear when I login from a remote

You can shrink the non-functioning pointer so that it is almost invisible.

computer.

 

 

 

 

I can’t set the computers’ screen resolutions

If you wish to set the screen resolutions of the connected computers to something higher than 1280 x

higher than 1280 x 1024, even though the KVM

1024, see section 14.4, Screen Resolutions Higher than 1280 x 1024.

switch supports 1600 x 1200 for remote comput-

 

 

ers.

 

 

 

 

When I switch to one of the computers on my

To resolve the problem, connect an external KVM console (with a monitor capable of displaying the

installation, the LCD monitor screen goes blank.

problem computer’s screen resolution) to the KVM switches external console ports. Use the external

All I see is a black screen.

console to access the problem computer and reduce its resolution to 1280 x 1024.

 

Note: Although the LCD monitor only supports video resolutions of up to 1280 x 1024, the KVM switch

 

itself can support video resolutions up to 1600 x 1200 @ 60 Hz. If you wish to set the screen resolu-

 

tions of the connected computers to something higher than 1280 x 1024, see Screen Resolutions

 

Higher than 1280 x 1024, page x for details.

 

 

When viewing a computer with a high screen

Try to move the pointer up and down, and side to side to expose the parts of the desktop that you can’t

resolution from a remote computer, I can’t see

see. If this doesn’t work, toggling the mouse display will allow you to use the computer’s own pointer to

the entire desktop.

view the rest of the desktop.

 

 

 

 

 

 

14.3.4 Java Client Problems

 

 

 

 

 

Symptom

Action

 

Java Client won't connect to the KVM switch.

1. Java 2 JRE 1.4.2 or higher must be installed on your computer.

 

2. Make sure to include the forward slash and login string (see Default Webpage Name, section 7.6.5)

 

when you specify the KVM switches IP address.

 

3. Close the Java Client, reopen it, and try again.

 

 

Pressing the Windows Menu key has no effect.

Java doesn't support the Windows Menu key.

 

 

Java Client performance deteriorates.

Exit the program and start again.

 

 

National language characters do not appear.

If the local keyboard is set to a non-English layout, you must set the remote computer's keyboard layout

 

to English.

 

 

IP and MAC address filters do not work with the

IP and MAC address filters only work with the Windows Client. We recommend using the Default Web

Java Client.

page name (see section 7.6.5) as a means to enhance the overall security of the KVM switch.

 

 

 

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Tripp Lite B020-016-17-IP Troubleshooting, Administration Problems Symptom Action, Java Client Problems Symptom Action
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B020-016-17-IP specifications

The Tripp Lite B020-016-17-IP is a robust and versatile 16-Port KVM switch designed for managing multiple servers and workstations in a secure and efficient manner. This device is particularly suitable for data centers and network operations centers where space and efficiency are paramount.

One of the standout features of the B020-016-17-IP is its support for an IP-based remote access functionality, allowing users to control their KVM switch from anywhere over the internet. This is particularly useful for IT administrators who need to manage servers without being physically present, enhancing flexibility and operational efficiency. With this feature, users can easily switch between different servers using a web-based interface.

The B020-016-17-IP supports a wide variety of multimedia formats and audio connections, ensuring that users have a comprehensive experience regardless of their specific setup requirements. This switch is equipped with a standard VGA input, allowing for high-resolution display support, while also protecting against signal degradation. The switch also features USB connectivity for seamless integration with various peripherals.

Another key characteristic of the B020-016-17-IP is its reliable performance, featuring a metal housing that ensures durability and optimal heat dissipation. Users can expect minimal downtime and extended device longevity. The unit is equipped with hot-swappable capabilities, making it easy to replace devices or add new ones without interrupting operations.

Security features are also paramount in this design. The B020-016-17-IP provides a comprehensive range of security protocols, including support for password protection and user authentication, making it suitable for environments where data integrity and confidentiality are crucial.

In terms of installation, the B020-016-17-IP is user-friendly, allowing for a straightforward setup process. It includes various connection options, ensuring compatibility with a wide range of systems and infrastructures.

Overall, the Tripp Lite B020-016-17-IP 16-Port KVM switch combines advanced technology, security, and convenience to offer a powerful solution for remote server management. Whether for small businesses or large enterprises, this KVM switch is an excellent choice for enhancing productivity and streamlining IT operations.
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