DSR®1021/1022 Switch Installer/User Guide Avocent, the Avocent logo, The Power of Being There, DSR, DSView and OSCAR are registered trademarks of Avocent Corporation or its affiliates. All other marks are the property of their respective owners. © 2004 Avocent Corporation. All rights reserved.
USA Notification Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
iii T A B L E O F C ON T E N T S List of Figures .................................................................................................................. v List of Tables .................................................................................................................. vii Chapter 1: Product Overview.......................................................................................... 1 Features and Benefits .....................................................................
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v LIST OF FIGURES Figure 1.1: Example DSR1021/1022 Switch Configuration ............................................................. 3 Figure 1.2: The DSR1021 Switch ...................................................................................................... 3 Figure 1.3: The DSR1022 Switch ...................................................................................................... 4 Figure 2.1: Basic DSR1021 Switch Configuration.........................................................
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vii LIST OF TABLES Table 3.1: OSCAR Interface Status Symbols ................................................................................... 14 Table 3.2: OSCAR Interface Navigation Basics .............................................................................. 15 Table 3.3: Setup Features to Configure the OSCAR Interface........................................................ 17 Table 3.4: OSCAR Interface Status Flags ..............................................................................
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1 CHAPTER 1 Product Overview Features and Benefits Avocent DSR® switches combine analog and digital technology to provide flexible, centralized control of data center servers and facilitate the OA&M (operations, activation and maintenance) of remote branch offices where trained operators may be unavailable. They provide enterprise customers with a significant reduction of cable volume, secure remote access and flexible server management from anywhere at anytime.
2 DSR1021/1022 Switch Installer/User Guide The DSRIQ-SRL (serial) module is a DCE device that provides the primary interface between a serial device and a DSR1021/1022 switch. It provides VT100 terminal emulation, break suppression and port history in a compact, convenient module. Access the DSR1021/1022 switch via network connection No special software or drivers are required on the attached, or client, computers.
3 Chapter 1: Product Overview DSR Switch Ethernet DSView Server Software Modem Telephone Network Analog User (OSCAR Graphical User Interface) Digital User (Computer with Internet browser) Figure 1.1: Example DSR1021/1022 Switch Configuration DSR1021 Switch Figure 1.
4 DSR1021/1022 Switch Installer/User Guide DSR1022 Switch Number of target devices 4 Digital paths 1 Analog user 1 Figure 1.3: The DSR1022 Switch Safety Precautions To avoid potential video and/or keyboard problems when using Avocent products: • If the building has 3-phase AC power, ensure that the computer and monitor are on the same phase. For best results, they should be on the same circuit.
5 CHAPTER 2 Installation The DSR switching system requires connectivity to a server running the DSView Server software. DSView software allows a user to view and control target devices (one at a time) attached to the DSR switching system. For more information on the DSView software, see the DSView Installer/User Guide.
6 DSR1021/1022 Switch Installer/User Guide The following diagram illustrates one possible configuration for your DSR1021/1022 switch. Digital User Ethernet Telephone Network Power Cord Internet Connection Ethernet and/or Modem DSR1021 Switch Ports 1-8 SETUP Port CAT 5 Cable SPC Port Connection Analog User KVM Connections SPC Power Control Device Server Server Server Server Figure 2.
Chapter 2: Installation 7 Setting up your network The DSR switching system uses IP addresses to uniquely identify the switch and the target devices. The DSR1021/1022 switch supports both Dynamic Host Configuration Protocol (DHCP) and static IP addressing. Avocent recommends that IP addresses be reserved for each switch and that they remain static while the DSR switches are connected to the network.
8 DSR1021/1022 Switch Installer/User Guide Connecting the DSR Switch Hardware NOTE: The DSR1021/1022 switch may be rack mounted in a 1U configuration. The DSR1021/1022 switch does not support a 0U configuration. To connect and power up your DSR1021/1022 switch: 1. Power down the target device(s) that will be part of your DSR switching system. Locate the power cord that came with the DSR1021/1022 switch. Plug one end into the power socket on the rear of the DSR1021/1022 switch.
Chapter 2: Installation 9. 9 Power up each target device and then power up the DSR1021/1022 switch. After approximately one minute, the switch completes initialization and displays the OSCAR® graphical user interface Free tag on the local port monitor. 10. Use the DSView software to configure the switch. See the DSView Installer/User Guide for detailed instructions. To connect a DSRIQ module to a server: 1.
10 DSR1021/1022 Switch Installer/User Guide Verifying the Connections DSR switch The front panel of the DSR1021/1022 switch features two LEDs indicating the Ethernet connection. The top green LED is the Link indicator. It will illuminate when a valid connection to the network is established and blink when there is activity on the port. The lower amber LED, labeled 100M, will indicate that you are communicating at the 100 Mbps rate when using an Ethernet connection.
Chapter 2: Installation 11 3. Set the Pointer speed to Slow. This will also need to be done for any NT user account that will be accessing the NT system through the DSR1021/1022 switch. 4. Set Acceleration to None for mouse sync. 5. Click OK. 6. Click Mouse Align in the DSView software remote session window(s) to realign the mouse. To adjust mouse settings on Windows 2000 (using default drivers): 1. From the Desktop, select Start - Settings - Control Panel - Mouse.
12 DSR1021/1022 Switch Installer/User Guide To adjust mouse settings using Red Hat® Linux® drivers: 1. From the Desktop Controls, select the mouse settings. 2. Set acceleration to the center position of the slider (the fourth tick mark from the left) and apply the changes. NOTE: If you are using an older version of Red Hat Linux software with a numerical slider, set mouse acceleration to 1.0 and apply the changes. 3.
13 CHAPTER 3 Local Port Operation Controlling Your System at the Local Port The DSR1021/1022 switch includes a local port on the back. This port allows you to connect a keyboard, monitor and mouse to the switch for direct access. The DSR1021/1022 switch uses the OSCAR® graphical user interface, which has intuitive menus to configure your system and select target devices. Targets can be identified by customizable names.
14 DSR1021/1022 Switch Installer/User Guide Viewing the status of your DSR switching system The status of target devices in your system is indicated in the far right columns of the Main dialog box. The following table describes the status symbols. Table 3.1: OSCAR Interface Status Symbols Symbol Description (green circle) Server connected, powered up and the DSRIQ module is online. Connected target device is powered down or is not operating properly and the DSRIQ module is offline.
Chapter 3: Local Port Operation 15 To disconnect from a target device: Press Print Screen and then Alt+0 (zero). This leaves the user in a free state, with no target device selected. The status flag on your desktop displays Free. Soft switching Soft switching is the ability to switch target devices using a hotkey sequence. You can soft switch to a target device by pressing Print Screen and then typing the first few characters of its name or number.
16 DSR1021/1022 Switch Installer/User Guide Table 3.2: OSCAR Interface Navigation Basics (Continued) This Keystroke Does This Alt+X Closes current dialog box and returns to previous one. Alt+O Selects the OK button, then returns to the previous dialog box. Enter Completes a switch operation in the Main dialog box and exits the OSCAR interface.
Chapter 3: Local Port Operation 17 Configuring OSCAR Interface Menus You can configure your DSR switching system from the Setup dialog box within the OSCAR interface. Select the Names button when initially setting up your DSR switching system to identify target devices by unique names. Select the other setup features to manage routine tasks for your target devices from the OSCAR interface menu. Table 3.
18 DSR1021/1022 Switch Installer/User Guide Figure 3.2: Setup Dialog Box Assigning target device names Use the Names dialog box to identify target devices by name rather than by port number. The Names list is always sorted by port order. You can toggle between displaying the name or the EID number of each DSRIQ module, so even if you move the target device to another port, the name and configuration will be recognized by the switch.
Chapter 3: Local Port Operation To access the OSCAR interface Names dialog box: 1. If the OSCAR interface is not open, press Print Screen. The Main dialog box appears. 2. Click Setup - Names. The Names dialog box appears. Figure 3.3: Names Dialog Box NOTE: If new DSRIQ modules are discovered by the DSR1021/1022 switch, the on-screen list will be automatically updated. The mouse cursor will change into an hourglass during the update.
20 DSR1021/1022 Switch Installer/User Guide To assign names to target devices: 1. In the Names dialog box, select a target device name or port number and click Modify. The Name Modify dialog box appears. Figure 3.4: Name Modify Dialog Box 2. Type a name in the New Name box. Names of target devices may be up to 15 characters long. Legal characters include: A-Z, a-z, 0-9, space and hyphen. 3. Click OK to transfer the new name to the Names dialog box.
Chapter 3: Local Port Operation 21 Assigning device types While the DSR switch automatically discovers attached cascade switches, you will need to specify the number of ports on the cascade switch through the Devices dialog box. You will see an Sw-4, Sw-6, Sw-8, Sw-16 or Sw-24 appear in the Type category for the cascade switch. Select the switch from the list and the Modify button appears, allowing you to assign to the switch the appropriate number of ports.
22 DSR1021/1022 Switch Installer/User Guide Figure 3.6: Device Modify Dialog Box 3. Choose the number of ports supported by your switch and click OK. 4. Repeat steps 1-3 for each port requiring a device type to be assigned. 5. Click OK in the Devices dialog box to save settings. NOTE: Changes made in the Device Modify dialog box are not saved until you click OK in the Devices dialog box.
Chapter 3: Local Port Operation 23 Figure 3.7: Menu Dialog Box To choose the display order of target devices: 1. Select Name to display target devices alphabetically by name. -orSelect EID to display target devices numerically by EID number. -orSelect Port to display target devices numerically by port number. 2. Click OK. Depending on the display method selected, the corresponding button will be depressed in the Main dialog box. To set a Screen Delay Time for the OSCAR interface: 1.
24 DSR1021/1022 Switch Installer/User Guide Controlling the status flag The status flag displays on your desktop and shows the name or EID number of the selected target device or the status of the selected port. Use the Flag dialog box to configure the flag to display by target device name or EID number, or to change the flag color, opacity, display time and location on the desktop. Table 3.
Chapter 3: Local Port Operation 25 To determine how the status flag is displayed: 1. Select Name or EID to determine what information will be displayed. 2. Select Displayed to show the flag all the time or select Timed to display the flag for only five seconds after switching. 3. Select a flag color under Display Color. The following flag colors are available: 4. 5.
26 DSR1021/1022 Switch Installer/User Guide Figure 3.10: Broadcast Dialog Box NOTE: Broadcasting Keystrokes - The keyboard state must be identical for all target devices receiving a broadcast to interpret keystrokes identically. Specifically, the Caps Lock and Num Lock modes must be the same on all keyboards. While the switch attempts to send keystrokes to the selected target devices simultaneously, some target devices may inhibit and thereby delay the transmission.
Chapter 3: Local Port Operation 27 To turn Broadcasting off: From the Commands dialog box, clear the Broadcast Enable checkbox. Using Scan mode In Scan mode, the DSR1021/1022 switch automatically scans from port to port (target device to target device). You can scan up to eight target devices, specifying which ones to scan and the number of seconds that each will display. The scanning order is determined by placement of the target device in the list. The list is always shown in scanning order.
28 DSR1021/1022 Switch Installer/User Guide 4. Type the first few characters of a target device name or port number to scan. The first matching target device will appear in the line. -orPress the following keyboard commands in the Name, Port or Time column to move through the list of target devices available to scan. a. Press Alt+Down Arrow to move the cursor down through the list of target devices. b. Press Alt+Up Arrow to move the cursor up through the list of target devices. c.
Chapter 3: Local Port Operation 29 Figure 3.12: Commands Dialog Box 3. Select Scan Enable in the Commands dialog box. 4. Click X to close the Commands dialog box. NOTE: Scanning will begin as soon as the Scan Enable button is selected. To cancel Scan mode: Select a target device if the OSCAR interface is open. -orMove the mouse or press any key on the keyboard if the OSCAR interface is not open. Scanning will stop at the currently selected target device.
30 DSR1021/1022 Switch Installer/User Guide Setting local port Screen Saver options Use the Screen Saver dialog box to manage the screen saver inactivity time and test the Screen Saver mode on the local port. If security has been enabled in the DSView software, after the specified Inactivity Time elapses, the local port locks and remains locked until you press any key or move the mouse. You will then need to log in to continue. To access the OSCAR interface Screen Saver dialog box: 1.
Chapter 3: Local Port Operation 31 3. (Optional) Click Test to activate the screen saver test which lasts 10 seconds then returns you to the Security dialog box. 4. Click OK. To exit Screen Saver mode and log in to the local port: 1. Press any key or move the mouse. 2. If Screen Saver security was turned on in the DSView software, you will see a login screen. Enter your username and password and then click OK.
32 DSR1021/1022 Switch Installer/User Guide To set the keyboard country code for Sun servers: 1. If the OSCAR interface is not open, press Print Screen. The Main dialog box will appear. 2. Click Setup - Keyboard. The Keyboard dialog box appears. Figure 3.14: Keyboard Dialog Box 3. Select a country code and click OK. 4. Reboot the Sun servers. After rebooting, each Sun server will request the country code setting stored in the DSRIQ module.
Chapter 3: Local Port Operation 33 Managing Server Tasks Using the OSCAR Interface From the OSCAR interface Commands dialog box, you can manage your DSR switching system and user connections, enable the Scan and Broadcast modes and update your firmware. Table 3.5: Commands to Manage Routine Tasks for Your Target Device(s) Feature Purpose Broadcast Enable Begin broadcasting to your target devices. Configure a target device list for broadcasting under the Setup dialog box.
34 DSR1021/1022 Switch Installer/User Guide Viewing and disconnecting user connections You can view and disconnect users through the User Status dialog box. The username (U) will always be displayed; however, you can display either the target device name or EID number to which a user is connected. If there is no user currently connected to a channel, the user field will be blank and the Server Name field will display Free. To view current user connections: 1.
Chapter 3: Local Port Operation 35 Figure 3.17: Disconnect Dialog Box 4. Click OK to disconnect the user and return to the User Status dialog box. -orClick X or press Escape to exit the dialog box without disconnecting a user. NOTE: If the User Status list has changed since it was last displayed, the mouse cursor will turn into an hourglass as the list is automatically updated. No mouse or keyboard input will be accepted until the list update is complete.
36 DSR1021/1022 Switch Installer/User Guide b. Click X to close the message box. -orClick X or press Escape to exit without sending a Reset command to the PS/2 mouse and keyboard. Displaying version information The OSCAR interface enables you to display the version number of the switch firmware and any auxiliary devices connected to the switch. This information facilitates system troubleshooting and support. For optimum performance, keep your firmware current. To display version information: 1.
Chapter 3: Local Port Operation 37 Figure 3.19: DSRIQ Selection Dialog Box 4. Select a DSRIQ module to view and click the Version button. The DSRIQ Version dialog box appears. For more information on loading firmware, see Appendix A. Figure 3.20: DSRIQ Version Dialog Box 5. Click X to close the DSRIQ Version dialog box.
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39 CHAPTER 4 Terminal Operations The Console Menu Each DSR1021/1022 switch may be configured at the appliance level through the Console menu interface accessed through the SETUP port on the back of the switch. All terminal commands are accessed through a terminal or PC running terminal emulation software. NOTE: This is NOT the recommended method for setting options for the DSR switch. The preferred method is to make all configuration settings in the DSView Server software.
40 DSR1021/1022 Switch Installer/User Guide terminal emulation software to access the Console menu interface. Actually, the terminal may be connected at any time, even when the switch is already powered. Figure 4.1: Console Main Menu 2. The Console Main menu displays. Type 1 and press Enter for the Network Configuration option. The Network Configuration menu displays.
Chapter 4: Terminal Operations 41 Figure 4.2: Network Configuration Menu 3. Type 1 and press Enter to set your network speed. When possible, you should set your connection manually without relying on the auto negotiate feature. After you press Enter, you will be returned to the Network Configuration menu. 4. Type 2 and press Enter to specify whether you are using a static or Dynamic Host Configuration Protocol (DHCP) address.
42 DSR1021/1022 Switch Installer/User Guide Other Console Main Menu Options Besides the Network Configuration option, the Console Main menu of the DSR1021/1022 switch features the following menu items: Security Configuration, Firmware Management, Enable Debug Messages, Restore Factory Defaults, Reset Appliance and Exit. Each is discussed below.
Chapter 4: Terminal Operations 5. Type a new username and press Enter. 6. Enter the password for the user, then re-enter the password to confirm it. 7. Enter 0 (zero) to exit. 43 To remove a user from the DSR1021/1022 switch database: 1. From the Console Main menu, type 2 and press Enter to access the Security Configuration menu option. 2. Type 1 and press Enter to access the Local User Accounts menu option. A list of users already within the database will appear. 3. Type D. 4.
44 DSR1021/1022 Switch Installer/User Guide When the DSR1021/1022 switch is removed from the DSView software database, the certificate is removed from the DSR1021/1022 switch. This enables you to move the DSR switch from one certificate replication system to another. The certificate can also be removed using the Console menu accessed via the SETUP port on the DSR1021/1022 switch. See the Reset Certificates section. See the DSView Installer/User Guide for more information on software security.
45 APPENDICES Appendix A: FLASH Upgrades The DSR1021/1022 switch FLASH upgrade feature allows you to update your appliance with the latest firmware available. This update can be performed using the DSView software or using a Trivial File Transfer Protocol (TFTP) server. After the FLASH memory is reprogrammed with the upgrade, the DSR switch performs a soft reset, which terminates all DSRIQ module sessions.
46 DSR1021/1022 Switch Installer/User Guide 10. The DSR1021/1022 switch will begin the FLASH upgrade process. On-screen indicators will display the upgrade progress. When the upload is complete, the DSR1021/1022 switch will reset and upgrade the internal subsystems. 11. Once the upgrade is complete, a verification message will appear on-screen.
Appendices 47 Appendix B: Using DSView Software Over a Modem Connection An external modem may be attached to the DSR1021/1022 switch. This modem may be used to access the switch when an Ethernet connection is not available. A modem/PPP dial-up connection must be established before the remote operation is enabled. The dial-up connection options should be set to 115,200 bps, 8 bits, 1 stop bit, no parity and enabled hardware flow control.
48 DSR1021/1022 Switch Installer/User Guide Appendix C: Using DSRIQ-SRL Modules The DSRIQ-SRL module is a serial-to-VGA converter which permits VT100-capable devices to be viewed from the DSR switch local port or by using the DSView software. The actual serial data is not accessed, but is merely displayed. All serial data coming from the target device is displayed in a VT100 window, placed into a video buffer and sent to the DSR switch as though it came from a VGA target.
Appendices 49 • Enter Sends: This option enables you to specify the keys that are transmitted when Enter is pressed. Available options are (Enter), which moves the cursor to the left side of the screen, or (Enter-Linefeed), which moves the cursor to the left side of the screen and down one line. • Received: This option enables you to specify how the module translates a received Enter character. Available options are (Enter) or (Enter-Linefeed).
50 DSR1021/1022 Switch Installer/User Guide To configure a DSRIQ-SRL module: 1. Press Ctrl-F8. The Configuration Screen will appear. 2. Select a parameter to change. You can navigate the Configuration Screen using the Up Arrow and Down Arrow keys. 3. Modify the selected value using the Left Arrow and Right Arrow keys. 4. Repeat steps 2 and 3 to modify additional values. 5. Press Enter to save your changes and exit the Configuration Screen.
Appendices 51 To use History mode: 1. Press Ctrl-F9. The mode will display as History. 2. Press one of the following key combinations to perform the indicated action: • Home: Move to the top of the buffer. • End: Move to the bottom of the buffer. • Page Up: Move up one buffer page. • Page Down: Move down one buffer page. • Up Arrow: Move up one buffer line. • Down Arrow: Move down one buffer line. • Ctrl-F8: Enters Configuration mode. The Configuration screen will appear.
52 DSR1021/1022 Switch Installer/User Guide Appendix D: UTP Cabling The following information is intended to brief you on various aspects of connection media. The performance of a DSR switching system depends on high quality connections. Poor quality or poorly installed or maintained cabling can diminish DSR system performance. NOTE: This appendix is for information purposes only. Please consult with your local code officials and/or cabling consultants prior to any installation.
Appendices 53 Table D.1: UTP Wiring Standards (Continued) Pin EIA/TIA 568A EIA/TIA 568B 7 white/brown white/brown 8 brown brown Cabling installation, maintenance and safety tips The following is a list of important safety considerations that should be reviewed prior to installing or maintaining your cables: • Keep all CAT 5 runs to a maximum of 10 meters each. • Maintain the twists of the pairs all the way to the point of termination, or no more that one-half inch untwisted.
54 DSR1021/1022 Switch Installer/User Guide Appendix E: Technical Specifications Table E.
Appendices Table E.1: DSR1021/1022 Switch Product Specifications (Continued) SPC Device Port Number 1 Type RJ-45 Dimensions Height x Width x Depth 1.72 x 17.00 x 8.08 in; 1U form factor (4.37 x 43.18 x 20.51 cm) Weight 5.3 lbs (2.
56 DSR1021/1022 Switch Installer/User Guide Appendix F: Sun Advanced Key Emulation Certain keys on a standard Type 5 (US) Sun keyboard can be emulated by key press sequences on a PS/2 keyboard. To enable Sun Advanced Key Emulation mode and use these keys, press and hold Ctrl+Shift+Alt and then press the Scroll Lock key. The Scroll Lock LED blinks. Use the indicated keys in the following table as you would use the advanced keys on a Sun keyboard. Table F.
Appendices 57 For example: For Stop + A, press and hold Ctrl+Shift+Alt and press Scroll Lock, then F1 + A. These key combinations will work with the DSRIQ-USB module (if your Sun system comes with a USB port) as well as the Sun DSRIQ-VSN and DSRIQ-WSN modules. With the exception of F12, these key combinations are not recognized by Microsoft Windows. Using F12 performs a Windows key press.
58 DSR1021/1022 Switch Installer/User Guide Appendix G: Technical Support Our Technical Support staff is ready to assist you with any installation or operating issues you encounter with your Avocent product. If an issue should develop, follow the steps below for the fastest possible service: 1. Check the pertinent section of the manual to see if the issue can be resolved by following the procedures outlined. 2. Check our web site at www.avocent.
59 INDEX dialog box 26 Enable 33 OSCAR interface 17 Numerics 100BaseT Ethernet 1, 5, 54 10BaseT Ethernet 5, 54 C A access direct 13 DSRIQ module 14 DSRIQ Terminal Applications menu 10 OSCAR interface Broadcast dialog box 25 Commands dialog box 33 Devices dialog box 21 Flag dialog box 24 Main dialog box 13 Menu dialog box 22 Names dialog box 19 Screen Saver dialog box 30 Setup dialog box 17 restrict 17 Screen Saver mode 16 secure, remote 1 target device 2 target devices 1 via a network connection 2 vi
60 DSR1021/1022 Switch Installer/User Guide dialog box 34, 35 DSRIQ modules 14 flag 24 target device 15 user 34 user connections 34 users 33, 34, 35 Display Versions 33 DSR switch 1 comes with 7 Features 1 Installation 5 Model Comparison 4 Network Configuration 3 port 21 Product Specifications 54 DSR switch database add user 42 remove user 43 rename user 42 DSRIQ module 6, 7, 8, 9, 10, 45, 48, 54 connecting DSView software 2, 5, 7, 9, 10, 11, 30, 31, 39, 42, 43, 45, 47, 48 configuring 10 database 44 il
Index I Installation 5 Installation Overview 5 J Japanese Approvals ii Japanese Sun USB Keyboards 57 K keyboard dialog box 32 OSCAR interface 17 Korean Sun USB Keyboards 57 KVM 5 cable volume 1 illustrated 6 switch 1 L Local country power cord 7 Local Port Operation 13 M Main Dialog Box 13 Menu OSCAR interface 17 modem 1, 2, 5, 7, 8, 47 illustrated 3 port 1, 47 N Name Modify Dialog Box 20 Names dialog box 17, 19 network speed 41 null modem cable 7, 8, 45, 54 O OSCAR interface Alt 15 Broadcast dialog
62 DSR1021/1022 Switch Installer/User Guide P Point-to-Point Protocol 5 Position Flag 25 POWER LED 10 PPP 5 Print Screen 15 OSCAR interface 17 procedure To access the OSCAR interface Broadcast dialog box 25 To access the OSCAR interface Commands dialog box 33 To access the OSCAR interface Devices dialog box 21 To access the OSCAR interface Flag dialog box 24 To access the OSCAR interface Menu dialog box 22 To access the OSCAR interface Names dialog box 19 To access the OSCAR interface Screen Saver dialog
Index To set the keyboard country code for Sun servers 32 To set the Screen Saver options 30 To soft switch to a target device 15 To start the scan mode 28 To turn broadcasting off 27 To upgrade the DSR switch firmware using the Console menu 45 To upgrade the DSR switch firmware using the DSView software 45 To use History mode 51 To view current user connections 34 R Rack mounting brackets 7 Red Hat Linux drivers 12 Reduce cable bulk 1 remove a user from the DSR switch database 43 rename a user in the DS
64 DSR1021/1022 Switch Installer/User Guide XP/Server 2003 drivers 11
