Black Box SW627A-R2, SW628A-R2 manual ONE or Both of Your PC Cpus Lock UP When YOU Start Windows

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CHAPTER 5: Troubleshooting

5.2.12YOUR VIDEO IS OK IN LOW-RESOLUTION MODE, BUT YOU CAN’T GET INTO HIGH- RESOLUTION MODE (PC CPUS ONLY)

A. If you’re using XGA, you must use coaxial cables (see Section 4.1.3 and Appendix B).

B. Check your video driver. It might not be set up correctly for your desired resolution.

5.2.13ONE OR BOTH OF YOUR PC CPUS LOCK UP WHEN YOU START WINDOWS 3.X

The usual cause of this problem is that the affected CPUs are set to load a Logitech or other type of mouse driver when Windows starts up. Set the CPU to load the generic Microsoft mouse driver instead.

5.2.14THE SWITCH DOESN’T WORK WITH YOUR DOCKING STATION

The ServSwitch Jr. MP does not support most docking stations for portable computers.

5.2.15THE SWITCH DOESN’T WORK WITH YOUR DONGLE-PROTECTED SOFTWARE

The ServSwitch Jr. MP does not support most dongles (the devices required to be inserted into the keyboard line by some software for copy protection).

5.2.16THE SWITCH DOESN’T WORK WITH YOUR IBM THINKPAD

The ServSwitch Jr. MP supports only “stream mode” (continuous) mouse data. It doesn’t support the “prompt mode” (burst-on-request) method for handling mouse data that some older IBM ThinkPad models use, regardless of whether the ThinkPad is connected to the Switch directly or through a docking station (and see Section 5.2.14).

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Contents SW627A-R2 SW628A-R2 Welcome to the ServSwitchTM Family Servswitch JR. MP RADIO-FREQUENCY Interference Statements Servswitch JR. MP NOM Statement Contents Table of Contents Specifications Indicators ConnectorsTemperature Tolerance PowerIntroduction Operating FeaturesComplete Package Introduction Front Panel LEDs 1, 2, 3Panel Label Connector Description Rear PanelPS/2 NoneCable Requirements Equipment RequirementsConnecting the Monitor, Keyboard, and Mouse InstallationRackmounting Optional Connecting the CPUs Powering Up the System Switching from the KeyboardOperation CpusOperation Monitor Video Quality vs. Distance for Original Serv Cables Video Quality vs. Distance for Coaxial Cables Keyboard-Command Summary ServSwitch Jr. MP’s Keyboard CommandsCtrl Commands in Detail Send Null Byte PC Cpus with PS/2 Mouse Ports only SET Maximum Ports SW628A-R2 only Servswitch JR. MP Typematic Delay Typematic Rate E0 Standard Mapping 104/105-Key Keyboard, PC Users E1 Swapped Mapping 104/105-Key Keyboard, Mac Users SET Mouse Translation PC Cpus with Serial Mouse Ports only Troubleshooting Restoring Factory-Default SettingsCommon Problems SW628A-R2 only Your Mouse Driver DOESN’T Load PC Cpus only Your Mouse DOESN’T Move the POINTER/CURSOR ONE or Both of Your PC Cpus Lock UP When YOU Start Windows Calling Black Box Shipping and PackagingAppendix a Nvram Factory Defaults Option Factory-Default To Change To Save Setting ChangesAppendix B Cable Product Codes Appendix B Cable Product Codes Appendix C Rackmounting ServSwitch Jr. MP Figure C-1. Rackmount assemblyCustomer Support Information

SW627A-R2, SW628A-R2 specifications

The Black Box SW627A-R2 and SW628A-R2 are advanced network switches designed to enhance the efficiency and reliability of modern data networks. These switches are ideal for various applications, including data centers, enterprise networks, and industrial settings, providing robust performance and flexibility for a wide range of tasks.

The SW627A-R2 model features 24 Ethernet ports, allowing for seamless connectivity across a broad array of devices. Its 10/100/1000 Mbps auto-sensing capabilities ensure that all connected devices can communicate effectively, making it an excellent choice for businesses looking to maximize their existing infrastructure. The switch is designed with energy efficiency in mind, featuring IEEE 802.3az Energy Efficient Ethernet technology. This integration helps in reducing power consumption and minimizing operational costs without compromising performance.

On the other hand, the SW628A-R2 model takes things a step further by offering 48 ports, accommodating even larger networks with ease. This switch also supports Power over Ethernet (PoE), which allows it to deliver power to connected devices such as IP cameras, VoIP phones, and wireless access points, eliminating the need for additional power sources and simplifying network installation.

Both models support Layer 2 switching and feature advanced forwarding techniques such as store-and-forward and cut-through modes. They also come equipped with a user-friendly interface for easy configuration and management, with options for SNMP monitoring to ensure optimal performance and troubleshooting capabilities.

From a security perspective, both the SW627A-R2 and SW628A-R2 incorporate features such as VLAN support, port security, and access control lists (ACLs). These features help in segmenting network traffic, preventing unauthorized access, and enhancing overall network integrity.

In terms of durability, both switches are designed for robustness, with sturdy enclosures suitable for various environments. The fanless design also ensures silent operation, making them suitable for office settings.

Overall, the Black Box SW627A-R2 and SW628A-R2 network switches are designed to meet the demands of advanced networking environments, providing the necessary features and technologies to facilitate efficient, secure, and scalable operations. Whether for a small business or a large enterprise, these switches provide a reliable backbone for any network infrastructure.
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