Chapter 5: Operation

5.2 Locking access to the computers

When privacy is required, you can lock access to the connected computers via the unit.

To lock the unit

1Simultaneously press and hold CTRL and ALT (or other hotkeys, if altered).

2While still holding CTRL and ALT, press L.

The display will show P (providing a valid password has been previously set). You will not be able to access any computers until the password is correctly entered.

To unlock the unit

• When prompted, enter the correct password and press Enter.

To set a new password

1Enter the Configuration menu (see Section 4.1 for details).

2Press P and then Enter. The display will show

3Enter a new password and then Enter.

The password is not case sensitive and can be any combination of key strokes, including the function keys, but excluding the Num Lock, Caps Lock, Scroll Lock and Enter keys. If your keyboard has special media keys, these also cannot be used as part of the password.

When you have typed in your password, press Enter to store it. Don’t worry if you type the password incorrectly, you can always re-enter configure mode and set the password again.

4Press E and then Enter to exit the menu and save changes.

To cancel the password

1Enter the Configuration menu (see Section 4.1 for details).

2Press P and then Enter. The display will show

3Press Enter to remove the existing password.

4Press E and then Enter to exit the menu and save changes.

If you forget the password

To clear an existing password: Connect the OPTIONS port of the unit to the serial port of a computer and transmit the text clrpwd to the unit.

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Black Box KV3204A, KV3304A Locking access to the computers, To lock the unit, To unlock the unit, To cancel the password
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Black Box ServSwitch Wizard VGA (USB), KV3004A, KV3204A, KV3404A, KV3304A specifications

The Black Box KV series of KVM (Keyboard, Video, Mouse) switches, including the KV3404A, KV3204A, KV3304A, and KV3004A, offer a robust solution for managing multiple computers from a single workstation. These devices are designed for efficiency, reliability, and user-friendly operation, catering to the needs of IT professionals across various industries.

The KV3404A KVM switch is capable of supporting up to four servers and features high-resolution VGA video output. It employs USB technology for keyboard and mouse connectivity, ensuring broad compatibility with various operating systems. This switch enables users to quickly switch between connected servers using a simple push-button interface or keyboard shortcuts, enhancing workflow and saving time.

The KV3204A offers similar functionality but adds the convenience of a built-in OSD (On-Screen Display), which provides an intuitive graphical interface for managing the connected devices. The OSD allows users to easily identify and switch between servers using an on-screen menu, streamlining operations in environments with multiple systems.

The Black Box ServSwitch Wizard VGA (USB) is known for its advanced video enhancement technology, providing superior image quality and extended distance support. It can transmit video signals up to 65 meters, making it suitable for large areas where the servers may be located far from the workstation. Additionally, this model is compatible with various video resolutions, ensuring high-definition performance across all connected devices.

The KV3304A and KV3004A models cater to different user needs, with the KV3304A supporting video resolutions up to 1920 x 1080 pixels. Meanwhile, the KV3004A focuses on essential KVM functionality, making it an economical choice for users who require basic switching capabilities without additional features.

In terms of security, these KVM switches are equipped with features like hot plugging and keyboard and mouse emulation, ensuring a seamless user experience. With support for multiple operating systems, including Windows and Linux, the KV series presents a versatile solution for businesses looking to optimize their IT management.

Overall, the Black Box KV series provides a comprehensive, user-centric approach to KVM switching. With advanced features, reliable performance, and excellent compatibility, these devices are ideal for data centers, server rooms, and any environment where efficient server management is a priority.
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