Operation Hardware and Keyboard Commands

CHAPTER 4: Operation: Hardware and Keyboard Commands

Though the ServSwitch can convert any supported keyboard or mouse protocol to any other, this is not enough to overcome all of the vast differences between input devices. If all of your CPUs are of the same type, we recommend that you use the corresponding type of keyboard and mouse.

Other concerns:

•The ServSwitch supports a variety of mice; for more details, see Section 5.2.2.

•Because the ServSwitch only supports “stream mode” (continuous) mouse data but the IBM ThinkPad has to handle mouse data in “prompt mode” (burst-on- request), don’t try to attach any ThinkPad computers to the Switch, either directly or through docking stations.

•Make sure that the CPUs use only the generic Microsoft mouse driver MOUSE.COM, version 4.0 at least and preferably version 9.01 or higher. If you’re running Windows® 3.x, this driver must be loaded in Windows as well as in DOS. Do not, on any of your switched CPUs, run any programs or TSRs, or enter any DOS commands, that change the settings of the mouse port after the driver has been loaded.

•When you first switch between CPUs, you might notice wide variations in mouse sensitivity (how far or fast the mouse moves) from CPU to CPU. This is normal. There are ways to adjust the CPUs’ mouse sensitivity; this is usually handled through some kind of control panel, but the specifics vary depending on the operating system and the mouse driver. To optimize mouse movement, adjust the sensitivity on each CPU according to your individual preference.

•Although the ServSwitch resists minor transient surges that can be caused by rapidly cycling power, certain keyboards are sensitive to such transients. Because your shared keyboard’s power is provided by the ServSwitch, wait at least three seconds after powering down the Switch before powering it up again, or the keyboard might not reset correctly.

•The ServSwitch is designed to support 101-, 102-, 104-, or 105-key keyboards and keyboard-scan modes 1, 2, and 3; it’s also designed to work with PC-type CPUs/keyboards that use 5-pin DIN or 6-pin mini-DIN keyboard connectors. The Switch will try to pass through keyboard codes that it doesn’t recognize without altering them, which allows it to support the DEC™ LK461 keyboard (see Appendix D for the key mappings), Japanese 106- and 109-key keyboards, and certain other keyboards that use special or proprietary keys. However, we cannot guarantee that the ServSwitch will be able to fully support—or even work at all with—any keyboard that uses nonstandard keys, connectors, or keyboard-scan modes.

SW725A-R4, SW722A-R4, SW723A-R4, KV3108SA-R4, SW724A-R4 specifications

The Black Box SW721A-R4, SW724A-R4, KV3108SA-R4, SW723A-R4, and SW722A-R4 are cutting-edge network switches that cater to the demanding needs of modern data environments. These models are designed to provide high performance, reliability, and advanced features suitable for both enterprise-level deployments and smaller networks.

The SW721A-R4 and SW724A-R4 are primarily layer 2 switches that support essential networking protocols such as IEEE 802.1Q for VLAN tagging, ensuring secure and efficient traffic management. With robust forwarding capabilities, these switches boast high-speed Gigabit Ethernet ports, which enable seamless data transfer and reduce latency in data-driven applications. Their fanless design also ensures quiet operation, making them ideal for office settings and noise-sensitive areas.

Another noteworthy addition is the KV3108SA-R4, a versatile KVM switch that provides remote management capabilities. This model can control multiple servers and computers from a single console, allowing IT personnel to streamline operations and reduce physical space requirements. With support for high-resolution video output and an intuitive user interface, the KV3108SA-R4 enhances usability while maintaining efficiency in server management.

The SW723A-R4 and SW722A-R4 models further enhance network capabilities with their advanced Layer 3 functions. These switches support static routing and dynamic routing protocols, making them suitable for complex networking scenarios. They are equipped with a comprehensive set of security features, including port security and access control lists (ACLs), ensuring that sensitive information is well-protected against unauthorized access.

All of these Black Box models operate on advanced technologies such as QoS (Quality of Service), which helps prioritize critical traffic and ensures optimal performance during peak usage periods. Additionally, they support Power over Ethernet (PoE), enabling the powering of network devices such as IP cameras and VoIP phones without the need for additional electrical outlets.

In summary, the Black Box SW721A-R4, SW724A-R4, KV3108SA-R4, SW723A-R4, and SW722A-R4 represent a fusion of performance, versatility, and security in network infrastructure. These switches are perfect for businesses looking to enhance their connectivity solutions, ensuring that they can meet the demands of an increasingly digital world while maintaining high standards of efficiency and reliability.