Black Box ServSwitch manual Kernel is bad, load new kernel through serial port

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MATRIX SERVSWITCH™

Here is what the parts of these messages mean:

Kernel is bad, load new kernel through serial port

The Matrix ServSwitch sends this message at bootup instead of the power-up diagnostic screen when it detects that its own kernel is corrupt. The Switch will wait to receive a replacement kernel file through the serial port on its bottom port board—the one with CPU ports 1 through 4 on it—using the serial parameters 9600, N, 8, 1. Connect the serial cable supplied with the Switch as described in Section 7.1 and start your terminal emulator. Transfer the file using an ASCII file- transfer protocol. This procedure, and the accompanying messages that will appear on your terminal-emulator screen, are described in Section 7.2.3. If the file loads successfully, cycle power to the Switch; if the problem recurs, call Black Box Tech Support.

BAD Address = nnnn

The kernel loader writes this message when kernel memory is corrupted, indicating a hardware failure. The corrupted memory address is represented by the variable “nnnn.”

Unit must be serviced

The error is unrecoverable. Call Black Box Tech Support and arrange to have the Switch repaired; see Sections 8.2 and 8.3.

Resetting to factory defaults

The kernel writes this message at power-up when a memory error is detected during a read from configuration memory. This also indicates a hardware failure, but the system may continue to initialize successfully. The configuration from another Switch should be saved to this Switch as soon as possible.

Unit halted

Refer to operation manual or call technical support

The error is major and has forced the kernel to stop processing. The Switch will have to be serviced. Call Black Box Tech Support as directed in Sections 8.2 and 8.3.

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Contents SW741A-R3 SW742A-R3 SW743A-R3 SW761A-R3 SW762A-R3 SW763A-R3 SW741A-R3 SW742A-R3 SW743A-R3 SW761A-R3 SW762A-R3 SW763A-R3 Welcome to the ServSwitchTM FamilyMatrix Servswitch European Union Declaration of Conformity Matrix Servswitch NOM Statement Contents Table of Contents Matrix Servswitch Appendix Hardware SpecificationsMaximum SpecificationsMaximum Altitude Temperature TolerancePower WeightComplete Package IntroductionSecurity FeaturesUpgradability CompatibilityOn-Screen Display Technology FlexibilityFront Panel Front panel of a 2 x 16 Matrix ServSwitch SW743A-R3Panel Label Description Right/Green CPU PowerLeft/Red Select Rear Panel Designation Connector DescriptionKVM 1 See SectionRS-232 N Equipment Requirements Cable RequirementsQuick Setup Guide Installation and PreconfigurationCpus Installation and Preconfiguration Matrix Servswitch Keyboard mapping by the Matrix ServSwitch Monitor Video quality vs. distance for original Serv cables Video quality vs. distance for coaxial cables Important Note Installation ProcedureRackmounting Optional Connecting Cpus Connecting Other Matrix Servswitches Optional Powering UP the Switches Switching and Accessing the Display from the Keyboard Expansion Module and its input and output ports Daisychaining Matrix ServSwitchesBus topology Ring topology Power-Up Procedure Diagnostic screen Ports see Section Diagnostic Messages DescriptionSection Configuration Checksum Error Kernel ErrorMain Program Error Sram ErrorKernel is bad, load new kernel through serial port Error reason Hit space bar within 5 seconds to get serial options menu Initial Configuration Initially Configuring Multiple Daisychained Units CPU Ports KVM Full ConfigurationUsing the Menu Saving configuration changes Configure password Configuring the SystemPC keyboard rate PC keyboard delayStarting computer number Maximum computerScreen saver time Sun keyboard language multiplatform models onlyMenu color scheme Screen saverPosition Background color, text colorFadeout Computer Number Configuring ComputersComputer Name Keyboard Bus Configuring User StationsProfile ResolutionKVM Name StartPassword Configuring User DefinitionsUser name Configure Profile Configuring User ProfilesName AccessConnect Scan ShareLogout Group n where n = 1 through Configuring GroupsComputer Group Name Slot PowerStatus ComputersUser VerStatus Logging On-Screen Functions, Same-Port Users, and Connection ModesStatus Control Room Connection-Status MessagesReasons for connection failure Disconnect-status message Reasons for disconnection User Stations Attached to Same-Numbered Ports A 6-user-by-8-computer Matrix ServSwitch/ServShare system Connection Modes Connection dynamics between users Command Summary Keyboard CommandsKeyboard Commands Display CPU List Ctrl Esc Display Configuration Menu Ctrl F12Select Computer Ctrl xxxx Enter Switch to the Next Port in Sequence Ctrl +Switch to the Previous Port in Sequence Ctrl Switch to the Prior Port Ctrl ← or Ctrl BackspaceDisconnect Ctrl Q Reset Ctrl RDisplay User-Station Status Ctrl D Log Out Ctrl LSend Null Byte to PS/2 Type Mouse Ctrl N Reset/Enable Mouse in Windows NT and Unix Ctrl OStart Scan Ctrl S Identify Firmware Revision CtrlEnd Scan Ctrl Pass This Command Through Ctrl X or Ctrl TabBasic Setup Establishing a Serial Connection Using the Serial PortsSerial Options Menu Using the Serial PortsEnter the starting cpu number → Waiting for file Receive failed Try again Y/N Sending flash program code to system Flash programming Option 8. Exit and Restart Unit Common Problems TroubleshootingCharacters that you type come up wrong or missing You can’t switch ports from the keyboardAn IBM compatible computer’s mouse driver doesn’t load You can’t seem to scan or switch to certain ports at allYour PS/2 mouse gets out of sync You can’t access all the functions of your mouseYour mouse doesn’t move the pointer/cursor Your video is not synchronized or is the wrong color Your monitor display is fuzzyMatrix ServSwitch doesn’t work with your IBM ThinkPad Matrix ServSwitch doesn’t work with your docking stationYour on-screen display is not synchronized Shipping and Packaging Calling Black BoxDerived from hardware Appendix a Nvram Factory Defaults100 Appendix B Cable Product Codes 102 103 Appendix C Pinout of Serial Ports Key Pressed on Scan Code LK461 Keyboard Appendix D The LK461 KeyboardSetting the RING/BUS Jumper Jumper JP1 on Expansion Modules Appendix E Installing Modules Matrix ServSwitchSwapping In an Expansion Module Swapping In a Terminator Module Not Recommended Appendix F Rackmounting Matrix ServSwitch Figure F-1. Rackmount assembly Page Page
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ServSwitch specifications

The Black Box SRX ServSwitch is an innovative KVM (Keyboard, Video, Mouse) switch that offers robust solutions for managing multiple computers from a single workstation. This device stands out in environments ranging from data centers to broadcasting studios, where efficient control over multiple systems is crucial.

One of the key features of the SRX ServSwitch is its high-resolution video support. It can handle video resolutions up to 4K at 60Hz, ensuring that users can enjoy sharp and clear visuals without lag. This level of performance is essential for professionals who rely on precise graphics for tasks such as video editing and design work.

The SRX ServSwitch employs advanced USB technology, allowing for seamless connectivity with various peripherals. It supports USB 2.0 devices, which means users can connect printers, external drives, and other devices without worrying about compatibility issues. Additionally, the switch allows for USB device sharing, enabling multiple computers to access the same peripherals efficiently.

Security is a significant concern in today’s IT environments, and the Black Box SRX ServSwitch addresses this through its advanced security features. It includes support for secure booting and end-to-end encryption, ensuring that data remains protected when switching between systems. This makes it suitable for environments that handle sensitive information, such as financial institutions or healthcare facilities.

The design of the SRX ServSwitch is another standout characteristic. With its easy-to-use interface, users can quickly switch between connected systems using hotkey commands or the push-button interface. This usability improves productivity since users can manage multiple systems without the hassle of different keyboards and mice.

Furthermore, the SRX ServSwitch is built to be scalable, allowing for the addition of more channels as needed. This flexibility means that organizations can adapt their KVM switch setup as their operational needs grow. It supports both local and remote management, offering organizations the ability to control systems from various locations seamlessly.

The build quality of the Black Box SRX ServSwitch is robust, designed to handle the rigors of continuous use in demanding environments. It is compatible with various operating systems, ensuring that users can integrate it into their existing setups without significant reconfiguration.

In summary, the Black Box SRX ServSwitch offers a comprehensive solution for KVM management, characterized by high-resolution video support, USB compatibility, security features, easy usability, scalability, and durability. It is a valuable investment for organizations seeking an efficient way to manage multiple systems centrally.
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