LevelOne KVM-0850 User Manual
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LevelOne KVM-0850 User Manual

LevelOne KVM-0850 User Manual

8/16-port ip kvm switch for ps/2
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KVM-0850/1650 IP KVM switch
LevelOne
KVM-0850/1650
8/16-port IP KVM Switch for PS/2

User Manual

Ver 1.00-0504
1

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  • Page 1: User Manual

    KVM-0850/1650 IP KVM switch LevelOne KVM-0850/1650 8/16-port IP KVM Switch for PS/2 User Manual Ver 1.00-0504...

  • Page 2: Table Of Contents

    Cable diagrams ......................... 10 Product Details ......................... 11 3. Hardware installation ......................12 Operation Overview ......................... 12 Connecting KVM-0850/1650 to the host system ..............12 4. Configuration .......................... 15 Initial Configuration ......................... 15 4.1.1 Initial configuration via DHCP server.................. 15 4.1.2...
  • Page 3 KVM-0850/1650 IP KVM switch 6.4.2 Keyboard/Mouse ........................57 6.4.3 Video............................. 59 Device Settings ........................59 6.5.1 Network ..........................59 6.5.2 Dynamic DNS ........................62 6.5.3 Security..........................64 6.5.4 Certificate ..........................65 6.5.5 Serial Port ..........................68 6.5.6 Date And Time........................70 6.5.7...

  • Page 4: The Quick Installation Guide

    If done so, KVM-0850/1650 may not be able to detect these. You are on the safe side with all standard VESA video modes. Please refer to Appendix C for a list of all known modes.
  • Page 5 You will be asked if the values are correct and get a chance to correct them. After confirming, KVM-0850/1650 performs a reset. 2.Use a crossover Ethernet cable to connect KVM-0850/1650 to a subnet where a DHCP server is available. After the DHCP server has assigned an IP address to KVM-0850/1650 you can use the web interface to configure the device.

  • Page 6: Introduction

    60 Hz. 2.1 When the server is up and running KVM-0850/1650 gives you a full control over the remote server. The Management Console allows you to access the remote server’s graphics, keyboard and mouse and to send special commands to the server.

  • Page 7: Features

    KVM-0850/1650 IP KVM switch Type of failure Detected by Hard disk failure Console screen, CMOS set-up information Power cable detached, power Server remains in power on state after power on supply failure command has been given. CPU Controller, main board failure. Power supply is on, but there is no video output.

  • Page 8: Package Contents

    KVM-0850/1650 IP KVM switch 2.4 Package contents Model No.: 8 port IP KVM Switch- KVM-0850 Base unit- 8 port KVM-0850 1 PC User’s manual 1 PC AC to DC Power Adapter 1 PC Rack Mount Kit 1 SET Daisy Chain Cable...

  • Page 9: Technical Specifications

    KVM-0850/1650 IP KVM switch 2.5 Technical specifications Model No. 8 port KVM-0850/1650 16 port KVM-0850/1650 PC Port Console Port PC Port Connector VGA HDDB 15-pin(shared with PS/2 keyboard and Mouse) (All Female Types) USB Type B receptacle Console Port Local Console: PS/2 Keyboard Mini Din 6 pin...

  • Page 10: System Requirement

    KVM-0850/1650 IP KVM switch 2.6 System requirement Model No. 8 ports KVM-0850 Local console side One VGA Monitor One Keyboard One Mouse Network Side 10/100Mbps Ethernet or Modem Remote Console One computer side Computer side 8 PCs with 8 3-in-one cables (One...

  • Page 11: Product Details

    Din 5 pin Male to Mini Din 6 pin Female PS/2 to DB9 adapter (Optional) Mini Din 6 pin Female to DB 9 pin Female CAT5/5E/6 Straight Through UTP/STP Cable: 8P8C 2.8 Product Details 8 port Rack Mount KVM-0850: 16 port Rack Mount KVM-1650:...

  • Page 12: Hardware Installation

    KVM-0850/1650 to the host system, please perform the following steps: Step 1 Find a convenient place to put your KVM-0850/1650. Its 19” rack mount form factor makes it ideal mountable on 19” rack. When mounting to a rack, attach the included brackets to the sides of the KVM-0850/1650.
  • Page 13 KVM-0850/1650 IP KVM switch Step 3 Connect the keyboard to the KVM Switch. If you have an AT type keyboard, you will need an AT to PS/2 adapter. Step 4 Connect the mouse to the KVM Switch. Step 5 Each PC port connector is HDDB15-pin type. Locate your input cable. It will have an HDDB15-pin male connector at one end.
  • Page 14 INTERNET MODEM The rear side of KVM-0850/1650 provides a RJ-45 connector for Ethernet. The connector is used either for a 100 Mbps 100BASE-TX connection or for a 10 Mbps 10BASE-T connection. The adapter can sense the connection speed and will adjust to the appropriate operation mode automatically.

  • Page 15: Configuration

    4.1.1 Initial configuration via DHCP server By default, the KVM-0850/1650 will try to contact a DHCP server in the subnet to which it is physically connected. If a DHCP server is found, it may provide a valid IP address, gateway address and net mask.
  • Page 16 KVM-0850/1650 IP KVM switch Figure4-1. IP-KVM switch setup tool On the upper left corner, the MAC address of the IP-KVM switch is displayed. To detect the MAC address, manually, press the button “Refresh Devices”. The displayed MAC address is the same MAC address printed on the white sticker placed on the back of the IP-KVM switch. If the IP-KVM switch is connected via USB, it is classified as an USB device and an appropriate drive letter is chosen for this device.

  • Page 17: Initial Configuration Via Serial Console

    KVM-0850/1650 IP KVM switch 4.1.2 Initial configuration via serial console Using a serial terminal, the KVM-0850/1650 has a serial line interface (rear side). This connector is compliant with the RS 232 serial line standard. The serial line has to be configured with the parameters given in Table 4-2.
  • Page 18 USB. All the other PCs could support PS/2 only. 4.1.3.1 KVM-0850/1650 keyboard settings The KVM-0850/1650 settings for the host's keyboard type have to be correct in order to make the remote keyboard work properly. Check the settings in the KVM-0850/1650 front-end. See 6.3.3...
  • Page 19 The information above applies to the Double Mouse Mode, where remote and local mouse pointers are visible and need to by synchronize. The KVM-0850/1650 also features another mode, the Single Mouse Mode, where only the remote mouse pointer is visible. Activate this mode in the open Remote Console and click into the window area.
  • Page 20 X11 on the host system, please do not use any custom mode lines with special video modes. If you do, the KVM-0850/1650 may not be able to detect them. We recommend using any of the standard VESA video modes, instead...

  • Page 21: Usage

    The following interfaces are supported: HTTP/HTTPS You can full access the device via the embedded web server. The KVM-0850/1650 environment can be entirely managed using a standard web browser. You can access the KVM-0850/1650 using the insecure HTTP protocol, or using the encrypted HTTPS protocol.

  • Page 22: Using Ps/2 Kvm Over Ip Switch As A Kvm Switch

    The Membrane Buttons : For KVM-0850, press the corresponding port button to choose the PC port you want. For KVM-1650, press the button 1~8 to select port 1-8. For port 9~16, please press “shift” and “9 -16 ” button to select the port 9 to port 16.
  • Page 23 KVM-0850/1650 IP KVM switch PC ports of KVM Switch do not be reset by reset command. Keyboard Hot Key Commands: You can also conveniently command KVM switch by switching ports through simple key sequences. To send commands to KVM switch, the “SCROLL LOCK” key must be pressed twice within 2 seconds.

  • Page 24: Daisy Chain Connection Diagram

    KVM-0850/1650 IP KVM switch Scroll Scroll = Search the same PC name Lock Lock (Note: Search PC name starting from 1 PC port) Scroll Scroll SPACE BAR On Screen Display Menu Lock Lock 5.2.1 Daisy Chain Connection Diagram Please use the attached 3 feet 3-in-one daisy chain Cable Kit to daisy chain the KVM Switch.

  • Page 25: Hot Plug

    KVM-0850/1650 IP KVM switch Figure 5-2: Daisy Chain Connection 5.2.2 Hot Plug The KVM Switch supports “Hot Plug“ function for easy addition or removal of PCs. The user can arrange or maintain PCs as follows: a. A PC can be disconnected and reconnected to the same or different port of the KVM unit without having to power it off as long as it is not the Daisy-chain port or pass through port.

  • Page 26: On Screen Display Operation

    PC system name list. You will find the system number list from 01 to 8 (for KVM-0850)or from 01 to 16 (for KVM-1650). You can define your PC name in maximum 8 characters. The factory default of 16 port KVM switch PC name is from “SYSTEM 01”, “SYSTEM 02”...
  • Page 27 KVM-0850/1650 IP KVM switch a. The “OSD: 10 SEC” means that the OSD windows display or PC system name exists 10 sec. on your monitor. You can modify it from 05 sec to 99 sec. The factory default value is 10 sec.

  • Page 28: Login Into The Kvm-0850/1650 And Logout

    The address might be a plain IP address or a host/domain name, in case you had given your KVM-0850/1650 a symbolic name in the DNS. For instance, type the following strings in the address line of your browser when establishing an unsecured connection: http://<IP address of PS/2 IP-KVM>...
  • Page 29 Please make sure to change the super user password immediately after you have installed and accessed your KVM-0850/1650 for the first time. Not changing the pass phrase for the super user is a severe security risk and might result in unauthorized...

  • Page 30: Logout From The Kvm-0850/1650

    Table 5-2. Buttons from the front end Warning If there is no activity for half an hour, the KVM-0850/1650 will log you out automatically. Any click on the links will bring you back to the login screen. 5.3.2 Logout from the KVM-0850/1650 This link logs out the current user and presents a new login screen.

  • Page 31: Main Window

    Special button key to send the “Control Alt Delete” key combination to the remote system (see also Chapter 6 for defining new button keys). Auto Adjust button If the video display quality is bad or distorted, press this button and wait a few seconds. KVM-0850/1650 will adjust automatically to get the best video quality.
  • Page 32 KVM-0850/1650 IP KVM switch Sync mouse Activates the mouse synchronization process. Choose this option to synchronize the local and the remote mouse cursor. This is necessary especially when using accelerated mouse settings on the host system. In general, there is no need to change mouse...
  • Page 33 KVM-0850/1650 IP KVM switch A user with the appropriate permission can close the Remote Console connections of all other users. No users can open the Remote Console until this user disables the exclusive access, or logs off. A change in the access mode is visible in the status line (see Figure 5-8).
  • Page 34 KVM-0850/1650 is active and passing through the incoming signal from the host system. The option Noise Filter defines how KVM-0850/1650 reacts to small changes in the video input signal. A large filter setting needs less network traffic and leads to a faster video display, but small changes in some display regions may not be recognized immediately.
  • Page 35 KVM-0850/1650 IP KVM switch (depending on the quality of the video input signal). All in all the default setting should be suitable for most situations. Video Settings through the remote console Figure 5-11. Video Settings Panel Brightness Controls the brightness of the picture...
  • Page 36 KVM-0850/1650 IP KVM switch Reset all Modes Reset all settings to the factory-made defaults. Save changes Save changes permanently Undo Changes Restore last settings • Soft Keyboard Figure 5-12. Soft Keyboard Opens up the Menu for the Soft-Keyboard. • Show Pops up the Soft-Keyboard.
  • Page 37 KVM-0850/1650 IP KVM switch Figure 5-13. Soft Keyboard Mapping • Local Keyboard Used to change the language mapping of your browser machine running the Remote Console Applet. Normally, the applet determines the correct value automatically. However, depending on your particular JVM and your browser settings this is not always possible.
  • Page 38 Encoding Allows to adjust both compression rate and the colour depth individually. Depending on the selected compression rate the data stream between the KVM-0850/1650 and the Remote Console will be compressed in order to save bandwidth. Since high compression rates are very time consuming, they should not be used while several users are accessing the KVM-0850/1650 simultaneously.
  • Page 39 KVM-0850/1650 IP KVM switch 5.5.2 Remote Console Status Line Status line Shows both console and the connection state. The size of the remote screen is displayed. Figure 5-15 was captured from a Remote Console Screen with a resolution of 800x600 pixels.

  • Page 40: Menu Options

    KVM-0850/1650 IP KVM switch 6. Menu Options 6.1 Remote Control 6.1.1 KVM Console Figure 6-1. KVM Console To open the KVM console, either clicks on the menu entry on the left, or on the console picture on the right. To refresh the picture, click on the button “Refresh“.

  • Page 41: Telnet Console

    KVM-0850/1650 host machine is using a text mode screen resolution. Connecting to the KVM-0850/1650 is done as usual and as required by the Telnet client, for instance in a UNIX shell: telnet 192.168.1.22...

  • Page 42: Virtual Media

    KVM-0850/1650 IP KVM switch Clears the screen quit Exits the current session and disconnects from the client version Displays the release information terminal Starts the terminal passthrough mode for serial port 1. The key sequence esc exit switches back to the command mode. The command has an optional parameter (1 or 2) to select the desired serial port for passthrough access.

  • Page 43: Cd Rom

    • Second, click on the button “Upload” to initiate the transfer of the chosen image file into the KVM-0850/1650 s onboard memory. This image file is kept in the onboard memory of the KVM-0850/1650 until the end of the current session, until you logged out, or initiated a reboot of the KVM-0850/1650.
  • Page 44 To register the specified file image and its location click on the button “ Set”. The specified image file is now accessible from the KVM-0850/1650. It is important to specify correct IP addresses, and device names. Otherwise, KVM-0850/1650 may not be able to access the referenced image file.
  • Page 45 KVM-0850/1650 IP KVM switch Figure 6-7 Explorer context menu Select “Sharing” to open the configuration dialog. Figure 6-8. Share configuration dialog Adjust the settings for the selected directory. • Activate the selected directory as a share. Select “ Sharing this folder ”.
  • Page 46 KVM-0850/1650 IP KVM switch For additional options see the Section called Options for details. Creating an Image Floppy Images UNIX and UNIX-like OS To create an image file, make use of “dd”. This is one of the original UNIX utilities and is included in every UNIX-like OS (UNIX, Sun Solaris, Linux).
  • Page 47 KVM-0850/1650 IP KVM switch To create a CDROM image file, copy the contents of the CDROM to a file. You can use the following command: dd [ if=/dev/cdrom ] [ of=/tmp/cdrom.image ] dd reads the entire disc from the device /dev/cdrom, and saves the output in the specified output file /tmp/cdrom.image.

  • Page 48: Drive Redirection

    KVM-0850/1650 IP KVM switch 6.2.3 Drive redirection Warning 1. Drive Redirection is only possible with Windows 2000 and the latter version. 2. The Drive Redirection works on a low SCSI level and the SCSI protocol cannot recognize partitions; therefore the whole hard disk selected will be shared instead of any particular partition.
  • Page 49 KVM-0850/1650 IP KVM switch...
  • Page 50 Drive Redirection Settings Start Drive Redirection 1. Enter the IP address of KVM-0850/1650 into the field of Device. 2. Select the local drive you want to share with the remote computer, which could be Floppy disc, DC-ROMs, USB-Sticks and hard drives.
  • Page 51 KVM-0850/1650 IP KVM switch 6. Press Disconnect bottom when a new drive needs to be selected and repeat above steps for a new drive redirection settings.

  • Page 52: Options

    KVM-0850/1650 IP KVM switch 6.2.4 Options Options Set this option to disable the mass storage emulation (and hide the virtual drive) if no image file is currently loaded. If disabled, no file image will be found. It may happen that the host system will hang on boot due to changes in the boot order, or the boot manager (LILO, GRUB).

  • Page 53: Users And Groups

    The account super has all possible rights to configure the device and to use all functions KVM-0850/1650 offers. The account “user” has only the permission to open and use the Remote Console. Even his user name and password can only be changed by the super account.

  • Page 54: Kvm Settings

    KVM-0850/1650 IP KVM switch KVM Settings 6.4.1 User Console The following settings are user specific. That means, the super user can customize these settings for every users separately. Changing the settings for one user does not affect the settings for the other users.
  • Page 55 Manually Allows to adjust both compression rate and the colour depth individually. Depending on the selected compression rate the data stream between the KVM-0850/1650 and the Remote Console will be compressed in order to save bandwidth. Since high compression rates are very time consuming, they should not be used while several users are accessing the KVM-0850/1650 simultaneously.
  • Page 56 Internet you can also pre-install the JVM on your administration machine. The software is available on the CD ROM that is delivered along with the KVM-0850/1650.) ActiveX control This option instructs the web browser to use the ActiveX-Control of the KVM Vision Viewer, an application available separately.

  • Page 57: Keyboard/Mouse

    KVM-0850/1650 IP KVM switch sign or the end of the combination is encountered. In this case all pressed keys will be released in reversed sequence. So the minus sign builds single, separate key presses and -releases. The star inserts a pause with duration of 100 milliseconds.
  • Page 58 Mouse Speed • Auto mouse speed Use this option if the mouse settings on host use an additional acceleration setting. The KVM-0850/1650 tries to detect the acceleration and speed of the mouse during the mouse sync process. • Fixed mouse speed Use a direct translation of mouse movements between the local and the remote pointer.

  • Page 59: Video

    Miscellaneous Video Settings • Noise filter This option defines how the KVM-0850/1650 reacts to small changes in the video input signal. A large filter setting needs less network traffic and leads to a faster video display, but small changes in some display regions may not be recognized immediately. A small...
  • Page 60 KVM-0850/1650. IP auto configuration With this option you can control if the KVM-0850/1650 should fetch its network settings from a DHCP or BOOTP server. For DHCP, select “dhcp” , and for BOOTP select “bootp”...
  • Page 61 Port number at which the KVM-0850/1650's Remote Console server and HTTPS server are listening. If left empty the default value will be used. HTTP port Port number at which the KVM-0850/1650's HTTP server is listening. If left empty the default value will be used. Telnet port Port number at which the KVM-0850/1650's Telnet server is listening.

  • Page 62: Dynamic Dns

    (see Figure 6-21): Figure 6-21. Dynamic DNS Scenario The KVM-0850/1650 is reachable via the IP address of the DSL router, which is dynamically assigned by the provider. Since the administrator does not know the IP address assigned by the provider, the KVM-0850/1650 connects to a special dynamic DNS server in regular...
  • Page 63 IP address belonging to his card. The administrator has to register a KVM-0850/1650 that is supposed to take part in the service with the Dynamic DNS Server and assign a certain hostname to it. He will get a nickname and a password in return to the registration process.

  • Page 64: Security

    Force HTTPS If this option is enabled access to the web front-end is only possible using an HTTPS connection. The KVM-0850/1650 will not listen on the HTTP port for incoming connections. In case you want to create your own SSL certificate that is used to identify the KVM-0850/1650 refer to the Section called Certificate.

  • Page 65: Certificate

    However, it is possible to generate and install a new certificate that is unique for a particular KVM-0850/1650 card. In order to do that, the KVM-0850/1650 is able to generate a new cryptographic key and the associated Certificate Signing Request (CSR) that needs to be certified by a certification authority (CA).
  • Page 66 Warning If you destroy the CSR on the KVM-0850/1650 there is no way to get it back! In case you deleted it by mistake, you have to repeat the three steps as described above.
  • Page 67 Confirm Challenge Password Confirmation of the Challenge Password Email The email address of a contact person that is responsible for the KVM-0850/1650 and its security. Key length This is the length of the generated key in bits. 1024 Bits are supposed to be sufficient for most cases.

  • Page 68: Serial Port

    KVM-0850/1650 IP KVM switch 6.5.5 Serial Port Figure 6-25. Serial Port The KVM-0850/1650 Serial Settings (Figure 6-25) allow you to specify what device is connected to the serial port and how to use it. Configuration or console login Do not use the serial port for any special function, use it only for the initial configuration (see Table 4-1).
  • Page 69 Refer to the modem's manual about the AT command syntax. Modem server IP address This IP address will be assigned to the KVM-0850/1650 itself during the PPP handshake. Since it is a point-to-point IP connection virtually every IP address is possible but you must make sure, it is not interfering with the IP settings of the KVM-0850/1650 and your console computer.

  • Page 70: Date And Time

    6.5.6 Date And Time Figure 6-27. Date and Time This link refers to a page, where the internal real-time clock of the KVM-0850/1650 can be set up (see Figure 6-27). You have the possibility to adjust the clock manually, or to use a NTP timeserver.

  • Page 71: Event Log

    (see Figure 6-29). Each of those events belongs to an event group, which can be activated separately. The common way to log events is to use the internal log list of the KVM-0850/1650. To show the log list, click on “Event Log” on the “Maintenance” page. In the Event Log Settings you can choose how many log entries are shown on each page.
  • Page 72 To receive this SNMP traps, any SNMP trap listener may be used. Warning In contrast to the internal log file on the KVM-0850/1650, the size of the NFS log file is not limited. Every log event will be appended to the end of the file so it grows...

  • Page 73: Maintenance

    KVM-0850/1650 IP KVM switch Maintenance 6.6.1 Device Information Figure 6-31. Device Information Board Summary This section contains a summary with various information about this IP-KVM and it’s current firmware and allows you to reset the card. You may have a look at Figure 6-31 for an example.

  • Page 74: Event Log

    This section allows you to reset specific parts of the device. Currently this involves the video engine and the KVM-0850/1650 itself. Resetting the card itself is mainly needed to activate a newly updated firmware. It will close all current connections to the administration console and to the Remote Console.

  • Page 75: Update Firmware

    Updating the firmware is a three-stage process: • Firstly, the new firmware file is uploaded onto the KVM-0850/1650. In order to do that you need to select the file on your local system using the button “ Browse ” of the Upload Firmware panel.

  • Page 76: Unit Reset

    Thirdly, after the firmware has been stored, the panel will request you to reset the • KVM-0850/1650 manually. Half a minute after the reset, the KVM-0850/1650 will run with the new firmware version and should be accessible. However, you are requested to login once again.

  • Page 77: Troubleshooting

    If forgetting the “ password ” you typed, please contact your supplier. 10. The remote mouse doesn’t work or is not synchronous Make sure the mouse settings in KVM-0850/1650 match the mouse model. There are some circumstances where the mouse synchronization process could behave incorrectly, refer to Section 5.4.3 for further explanation.

  • Page 78: Certificates

    KVM-0850/1650). If not, check network hardware. Is KVM-0850/1650 powered on? Check whether the IP address of KVM-0850/1650 and all other IP related settings are correct! Also verify that all the IP infrastructure of your LAN, like routers etc., is correctly configured. Without a ping functioning, KVM-0850/1650 can’t work either.

  • Page 79: Pin Assignments

    A. Pin Assignments A.1 VGA HD-15 A.2 RJ 45 Connector Ethernet...
  • Page 80 A.3 RJ 45 Connector ISDN A.4 Serial SUB-D 9 Connector 1 A.5 KVM 15 pin connector...

  • Page 81: Key Codes

    B. Key Codes Table C.1 shows the key codes used to defines keystrokes or hotkeys for several functions. Please note that these key codes do not represent necessarily key characters that are used on international keyboards. They name a key on a standard 104 key PC keyboard with an US English language mapping.
  • Page 82 PRINTSCREEN SCROLL LOCK BREAK INSERT HOME PAGE UP DELETE PAGE DOWN LEFT DOWN RIGHT NUM LOCK NUMPAD0 NUMPAD1 NUMPAD2 NUMPAD3 NUMPAD4 NUMPAD5 NUMPAD6 NUMPAD7 NUMPAD8 NUMPAD9 NUMPADPLUS,NUMPAD PLUS NUMPAD/ NUMPADMUL,NUMPAD MUL NUMPADMINUS,NUMPAD MINUS NUMPADENTER WINDOWS MENU Table B.1: Key Names...

  • Page 83: Video Modes

    C. Video Modes Table B.1 lists the video modes KVM-0850/1650 supports. Please don’t use other custom video settings besides of these. If done so, KVM-0850/1650 may not be able to detect them. Resolution (x, y) Refresh Rates (Hz) 640 x 350...

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