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KVM over IP Module

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7. Troubleshooting

 

 

 

1.   The remote mouse doesn’t work or is not synchronous

 

Make sure the mouse settings in IP-KVM match the mouse model. There are some 
circumstances where the mouse synchronization process could behave incorrectly. 

 

2.   

The video quality is bad or the picture is grainy

 

Try to correct the brightness and contrast settings until they are out of a range where the 
picture looks grainy. Use the auto adjustment feature to correct a flickering video. 

 

3.   

Login on IP-KVM fails.

 

Was the correct combination of user and password given? On delivery, the user “super” 
has the password “pass”. Moreover your browser must be configured to accept cookies. 

 

4.   

The Remote Console window can’t connect to IP-KVM

. 

Possibly a firewall prevents access to the Remote Console. Make sure the TCP port 
numbers 443 or 80 are open for incoming TCP connection establishments. 

 

5.   

No connection can be established to IP-KVM.

 

Check whether the network connection is working in general (ping the IP address of 
IP-KVM). If not, check network hardware. Is IP-KVM powered on? Check whether the IP 
address of IP-KVM 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, IP-KVM can’t work either. 

 

6.   

Special key combinations, e.g. ALT+F2, ALT+F3 are intercepted by the console 
system and not transmitted to the host.

 

You have to define a so-called “Button Key”. This can be done in the Remote Console 
settings. 

 

7.   

In the browser the IP-KVM pages are inconsistent or chaotic.

 

Make sure your browser cache settings are feasible. Especially make sure the cache 
settings are not set to something like “never check for newer pages”. Otherwise IP-KVM 
pages may be loaded from your browser cache and not from the card. 

 

8.   

Windows XP doesn’t awake from standby mode

 

This is possibly a Windows XP problem. Try not to move the mouse while XP goes in 
standby mode. 

 

9.   

Can’t upload the signed certificate in MacOS X

 

If an “internal error” occurs while uploading the signed certificate either change the 
extension of the file to .txt or add a file helper using the Internet Explorer preferences for 
this type of file. Make sure that the encoding is plain text and the checkbox “use for 
outgoing” is checked. Another possibility is to use a Mozilla based browser. 

Содержание KVM over IP Module

Страница 1: ...KVM over IP Module User Manual...

Страница 2: ...ration CE This equipment is in compliance with the requirements of the following regulations EN 55 022 CLASS B C Tick This equipment is in compliance with ACMA s Electromagnetic Compatibility EMC regu...

Страница 3: ...6 3 3 2 Remote Mouse Settings 16 3 3 3 Automatic mouse speed and mouse synchronization 16 3 3 4 Host system mouse settings 17 3 3 5 Single and Double Mouse Mode 17 3 3 6 Recommended Mouse Settings 18...

Страница 4: ...2 Keyboard Mouse 64 5 4 3 Video 66 5 5 Device Settings 67 5 5 1 Network 67 5 5 2 Dynamic DNS 70 5 5 3 Security 73 5 5 4 Certificate 76 5 5 5 Serial Port 79 5 5 6 Date Time 81 5 5 7 Event Log 82 5 6 M...

Страница 5: ...Figure 4 13 Lossy Compression 33 Figure 4 14 Encoding Color depth 33 Figure 4 15 Status line 34 Figure 4 16 Status line transfer rate 34 Figure 5 1 KVM Console 36 Figure 5 2 Telnet Console 36 Figure...

Страница 6: ...Filter Settings 75 Figure 5 24 Certificate Settings 76 Figure 5 25 SSL Certificate Upload 77 Figure 5 26 CSR string 77 Figure 5 27 Serial Port 79 Figure 5 28 Date Time 81 Figure 5 29 Event Log 82 Fig...

Страница 7: ...and from a remote computer IP KVM provides a non intrusive solution for remote access and control Remote access and control software runs on its embedded processors only but not on mission critical se...

Страница 8: ...ROM software utilities and User s manual 2 2 Product Views Figure 2 1 Product View LEDs USB port Serial port Ethernet Port Figure 2 2 Front Panel View LEDs on the Ethernet Connector Orange LED 10Base...

Страница 9: ...nd mouse and to send special commands to the server You can also perform periodic maintenance of the server Using the Console Redirection Service you are able to do the following I Reboot the system I...

Страница 10: ...ommand has been given CPU Controller main board failure Power supply is on but there is no video output CPU fan failure By server specific management software RAM failure Boot Sequence on boot console...

Страница 11: ...h old Finger Connector USB RS 232 Ethernet PSTN Modem IP Network Figure 2 3 Cable Connections Connect cables to the Host and Console devices as the figure depicts above Do not connect anything to the...

Страница 12: ...e network settings or you will not be able access to the unit due to not knowing the network settings of the unit In this case you can view or change the settings via this utility IP KVM Setup Tool If...

Страница 13: ...assigns configuration information DHCP is backward compatible with BOOTP Setup fixed IP a Setup IP auto configuration as None setup IP address and Subnet mask b Enter Super user login and password fo...

Страница 14: ...e The default Super User login is super Super user password Enter the current password for the Super User All characters are in lower case The default Super User password is pass New super user passwo...

Страница 15: ...default values shown in square brackets below press Enter key IP auto configuration None IP address 192 168 0 70 Net mask 255 255 255 0 Gateway 0 0 0 0 0 0 0 0 for none IP auto configuration With this...

Страница 16: ...Console in a way that one pixel move will result in n pixel moves on the remote system This parameter n is adjustable with the scaling Please note that this works only when mouse acceleration is turn...

Страница 17: ...d mouse pointers If this happens make sure you do not use a special vendor specific mouse driver on your host system Windows XP Mouse Settings Windows XP knows a setting named improve mouse accelerati...

Страница 18: ...the option enhance pointer precision in the Control Panel SUN Solaris Adjust the mouse settings either via xset m 1 or use the CDE Control Panel to set the mouse to 1 1 no acceleration As an alternat...

Страница 19: ...rfaces are addressed in subtopics In order to use the Remote Console window of your managed host system the browser has to come with a Java Runtime Environment version 1 4 2 or above If the browser ha...

Страница 20: ...ss The address used might be an IP address or a domain name in the case where you have given your IP KVM a symbolic name in the DNS For instance type the following in the URL field of your browser whe...

Страница 21: ...result in unauthorized access to the IP KVM and to the host system including all possible consequences Warning Your web browser has to accept cookies or else login is not possible Navigation Having lo...

Страница 22: ...log you out automatically A click on one of the links will bring you back to the login screen Remote Console Preview Click on Click to open to start the remote console redirection Click on Refresh to...

Страница 23: ...nection to the Internet is available using a proxy server only without NAT being configured the Remote Console is very unlikely to be able to establish the desired connection This is because today s w...

Страница 24: ...n resolution of the remote screen has been changed However you can always resize the Remote Console window in your local window system as usual Warning In difference to the remote host system the Remo...

Страница 25: ...he Single Mouse Mode where only the remote mouse pointer is visible and the Double Mouse Mode where remote and local mouse pointers are visible and need to be synchronized Single mouse mode is only av...

Страница 26: ...e down the Remote Console You can still use both mouse and keyboard however the scaling algorithm will not preserve all display details When you designate 25 50 or100 scaling the size of Remote Consol...

Страница 27: ...more time than the fast one and requires a correctly adjusted picture Use the auto adjustment function to setup the picture Local Cursor Offers a list of different cursor shapes to choose from for th...

Страница 28: ...er defines how IP KVM reacts to small changes in the video input signal Turning on the noise filter can help reduce video flickering that is often caused by distortions as well as lowering unnecessary...

Страница 29: ...r quality Phase Defines the phase for video sampling used to control the display quality together with the setting for sampling clock Horizontal Position Use the left and right buttons to move the pic...

Страница 30: ...example noise filter for VGA is setting too large Soft Keyboard Figure 4 8 Soft Keyboard Opens up the Menu for the Soft Keyboard Show Pops up the Soft Keyboard The Soft Keyboard is necessary in case...

Страница 31: ...ession and color depth They are only available unless Transmission Encoding is determined automatically see the Section called Transmission Encoding in Chapter 6 Compression Level You may select a val...

Страница 32: ...ansferred via network as full quality video snippets Therefore a high amount of bandwidth is required to ensure the quality of the video picture Figure 4 11 Encoding Compression The next two options a...

Страница 33: ...desired color depth You may select between 8 or 16 bit for Video Optimized compression level 0 or between 1 and 8 bit for compression level 1 to 9 The higher the color depth the more video information...

Страница 34: ...Status line Shows both console and the connection state The size of the remote screen is displayed Figure belowwas taken from a Remote Console with a resolution of 800x600 pixels The value in brackets...

Страница 35: ...emote Console window is a Java Applet that tries to establish its own TCP connection to the IP KVM Starting the Remote Console opens a new window displays screen movement of host system with its size...

Страница 36: ...e Figure 5 1 KVM Console To open the KVM console either click on the icon Console or Remote Control KVM Console of the menu entry on the left or Click to open of the console picture on the right 5 1 2...

Страница 37: ...is entirely controlled with the according functions of the web interface Once you have successfully logged into the IP KVM a command line will be presented and you can enter according management comm...

Страница 38: ...would have to have Operating System Win2000 XP or above This function would not work on other platforms at this moment Before using Virtual Media please connect the USB cable from IP KVM to host compu...

Страница 39: ...Figure 5 3 Virtual Media Floppy Disk 1 You need to create the floppy to an image file first 2 For this example we use RawWrite software or any other image creator software to create floppy image Plea...

Страница 40: ...ire destination after you created it with RawWrite 4 Open the browser to log into the IP KVM Click Virtual Media Floppy Disk Click the Browse button to choose the image file 5 After you uploading the...

Страница 41: ...otherboard BIOS on the host computer supporting USB BOOTABLE function Notes 1 If using other image creator software the output image extension file name has to be img e g floppy_vir img 2 The uploaded...

Страница 42: ...e a folder and share this folder Please make sure password has to be setup with the authorized user during Sharing Permission settings 3 Copy the CD ROM ISO image file to this sharing folder 4 Please...

Страница 43: ...nder DOS mode if the motherboard BIOS on the host computer supports USB BOOTABLE function For emulating DVD Drive please use Drive Redirection function Note The above information has to be given from...

Страница 44: ...bove has to be given from the point of view of the IP KVM It is important to specify correct IP addresses and device names Otherwise IP KVM may not be able to access the referenced image file Furtherm...

Страница 45: ...erly You may either edit the SAMBA configuration file etc samba smb conf or use the Samba Web Administration Tool SWAT or WebMin to set the correct parameters 5 2 3 Drive redirection The Drive Redirec...

Страница 46: ...on the redirected device On the other hand if the local operating system writes data to the redirected device the drive cache of the operating system of the remote host might contain older data This m...

Страница 47: ...IP Module 47 99 5 2 3 1 Driver Redirection Utility Installation Please follow the Drive Redirection Setup Wizard step by step to install the driver from the attached CD ROM Figure 5 8 Drive Redirecti...

Страница 48: ...ve The local drive you want to share with the remote computer which could be Floppy disc CD ROMs USB Sticks and hard drives Port This is the network port By default IP KVM uses the remote console port...

Страница 49: ...stem try to write data on the same device this will certainly destroy the file system on the drive Please use this only when you exactly know what you are doing Device Authentication The factory defau...

Страница 50: ...the Disconnect button a connection via Drive Redirection connection is stopped Exit Hide If the Exit button is pressed the Drive Redirection software is closed If a Drive Redirection connection is ac...

Страница 51: ...of IP KVM 4 Click Connect to create virtual drive on host computer 2 Open the remote and you can see the virtual hard drive as below picture Virtual Drive has been created Please note that Virtual Dri...

Страница 52: ...er of partitions on host computer You may also emulate a DVD Drive with the same procedure However this DVD Drive Does NOT support Bootable function like Floppy and CD Rom emulation 5 2 3 2 Built in J...

Страница 53: ...KVM over IP Module 53 99 3 Click Connect Drive or Connect ISO 4 Select a drive to redirect if Connect Drive 5 Select a ISO image to redirect if Connect ISO...

Страница 54: ...at machine To set this option press the button Apply 5 2 5 Creating an Image 5 2 5 1 Creating Floppy Images UNIX and UNIX like OS To create an image file make use of dd This is one of the original UNI...

Страница 55: ...e make use of dd This is one of the original UNIX utilities and is included in every UNIX like OS UNIX Sun Solaris and Linux To create a CDROM image file copy the contents of the CDROM to a file You c...

Страница 56: ...you choose Copy and Backup Then navigate to the Copy Disc section Select the CD ROM or DVD drive you would like to create an image from Specify the filename of the image and save the CD ROM content i...

Страница 57: ...ange Password Figure 5 14 Setting Password Change password of currently logged in user Old Password type in current password New Password type in new password Confirm New Password re type new password...

Страница 58: ...that has fixed permissions The account super has all possible rights to configure the device and to use all functions IP KVM offers Upon delivery the account super has the password pass Make sure to c...

Страница 59: ...n user press the button Delete Note The IP KVM is equipped with an host independent processor and memory unit which both have a limitation in terms of the processing instructions and memory space To g...

Страница 60: ...5 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 set...

Страница 61: ...KVM over IP Module 61 99 Figure 5 15 User Console Setting...

Страница 62: ...djust both compression rate and the colour depth individually Depending on the selected compression rate the data stream between the IP KVM and the Remote Console will be compressed in order to save b...

Страница 63: ...read only mode Start in Exclusive Access Mode Enables the exclusive access mode immediately at Remote Console startup This forces the Remote Consoles of all other users to close No one can open the R...

Страница 64: ...ning To use the USB and or PS 2 interface you need a correct cabling between the managed host and the managing device If the managed host has no USB keyboard support in the BIOS and you have connected...

Страница 65: ...mode the remote mouse is always synchronized with the local mouse Mouse Speed Auto mouse speed Use this option if the mouse settings on host use an additional acceleration setting The IP KVM tries to...

Страница 66: ...immediately A small filter displays all changes instantly but may lead to a constant amount of network traffic even if the display content is not really changing depending on the quality of the video...

Страница 67: ...7 99 5 5 Device Settings 5 5 1 Network The Network Settings panel allows changing network related parameters Each parameter will be explained below Once applied the new network settings will immediate...

Страница 68: ...twork Settings Warning Changing the network settings of the IP KVM might result in losing connection to it In case you change the settings remotely make sure that all the values are correct and you st...

Страница 69: ...outer s IP address Primary DNS Server IP Address IP address of the primary Domain Name Server in dot notation This option may be left empty however the IP KVM will not be able to perform name resoluti...

Страница 70: ...to allow some configuration software to detect IP KVM devices in the network even without IP address and then config network related settings to IP KVM LAN Interface Settings The Autodetect will set...

Страница 71: ...th 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 This account information together with the hostname is needed...

Страница 72: ...Server Spaces are not allowed in the Nickname Password You have used this password during your manual registration with the Dynamic DNS Server Check time The IP KVM registers itself for initiating th...

Страница 73: ...administrator machine and keyboard and mouse data back to the host If set to Off no encryption will be used If set to Try the applet tries to make an encrypted connection In case connection establishm...

Страница 74: ...he chain rule depicted below The process ordering is important The packet will enter the chain rule 1 first if meet the rule then take action directly otherwise go to chain rule 2 TCP packet Rule 1 Ye...

Страница 75: ...KVM over IP Module 75 99 Figure 5 23 IP Filter Settings...

Страница 76: ...4 X 509 certificate that is unique for a particular IP KVM In order to do that the IP KVM is able to generate a new cryptographic key and the associated Certificate Signing Request CSR that needs to b...

Страница 77: ...certificate to the IP KVM using the Upload button as shown in Figure below Figure 5 25 SSL Certificate Upload Figure 5 26 CSR string After completing these three steps the IP KVM has its own certific...

Страница 78: ...cated State Province The state or province where the organization is located Country ISO code The country where the organization is located This is the two letter ISO code e g DE for Germany or US for...

Страница 79: ...M using a telephone line means nothing else than building up a dedicated point to point connection from your console computer to the IP KVM In other words the IP KVM acts as an Internet Service Provid...

Страница 80: ...the IP KVM 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 I...

Страница 81: ...so you have to adjust it again after IP KVM loses power for more than a few minutes To avoid this you can use a NTP timeserver which sets up the internal clock automatically to the current UTC time Be...

Страница 82: ...e update are logged to a selection of logging destinations 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...

Страница 83: ...h device When you change the NFS settings and press the button Apply the NFS share will be mounted immediately That means the NFS share and the NFS server must be filled with valid sources or you will...

Страница 84: ...log file cleared by user device Security Violation security Host Power host Host Reset host Connection to Remote Console failed reason console several Connection to client established console Connecti...

Страница 85: ...s section contains a summary with various information about this IP KVM and it s current firmware and allows you to reset the card The Data file for support allows you to download the IP KVM data file...

Страница 86: ...hich host the user comes from and its activity status is displayed RC means that the Remote Console is open If the Remote Console is opened in exclusive mode the term exclusive mode is added For more...

Страница 87: ...uncompressed firmware file has to be accessible on the system that you use for connecting to the IP KVM Updating the firmware is a three stage process Firstly the new firmware file is uploaded onto th...

Страница 88: ...pdate Make sure the IP KVM s power supply will not be interrupted 5 6 4 Unit Reset Figure 5 34 Unit Reset This section allows you to reset specific parts of the device This involves the both keyboard...

Страница 89: ...ne line modem needed Serial Port 1 x DB9 Max Video Resolution Local 1600 x 1200 Remote 1280 x 1024 OS Compatibility MS Windows family Unix Sum Solaris Linux Mac OSX Browser Compatibility IE 6 0 Netsca...

Страница 90: ...eck whether the IP address of IP KVM 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 functi...

Страница 91: ...th some buttons the mouse pointers are not synchronous anymore Please check if you have an option like Automatically move mouse pointer to the default button of dialog boxes enabled in the mouse setti...

Страница 92: ...Adjust the Brightness setting until the pinkish tint is reduced or eliminated 2 Does any software require on servers which connect to the IP KVM No the IP KVM is a 100 hardware solution No extra soft...

Страница 93: ...password 7 How many concurrent user of IP KVM The IP KVM accepts 15 concurrent users 8 How many bits of connection encrypted of IP KVM The IP KVM provides AES 256 bits connection encrypted 9 Local mo...

Страница 94: ...plication programs are on an identical position no matter what language mapping you are using Some of the keys have aliases also means they can be named by 2 key codes separated by comma in the table...

Страница 95: ...1600 x 1200 60 C User Role Permissions Table below lists the user role permissions granted for three user role groups Superuser Administrator and User Function User Administrator Superuser Remote Cont...

Страница 96: ...gested network bandwidth planning table for IP KVM installation is from the test results with 3D Labyrinth screen saver at Resolution 800x600 the worst case consuming the highest network bandwidth Com...

Страница 97: ...SNMP UDP 443 HTTPS TCP F Well Known TCP UDP Port Numbers Port numbers are divided into three ranges Well Known Ports Registered Ports and Dynamic and or Private Ports Well Known Ports are those from 0...

Страница 98: ...ccess Protocol A protocol for accessing directory information NAT Network Address Translation An Internet standard that enables a LAN to use one set of IP addresses for internal traffic and a second s...

Страница 99: ...es and to respond to queries from other network hosts SMTP Simple Mail Transfer Protocol TCP IP protocol for sending email between servers SSL Secure Sockets Layer A protocol that provides authenticat...

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