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Lindy CPU IP Access Switch Plus User's Manual

1. effect where the computer is viewing itself into infinity While technically possible the CPU IP unit is not designed to withstand this treatment and could sustain damage Remote connections From a remote system you connect to the CPU IP using a viewer and a link There are two types of viewer and two types of link which can be used in any combination VNC viewer Network browser LINDY OPERATION conncunaion INSTALLATION l E FURTHER INFORMATION Remote connection by VNC viewer The VNC viewer is a compact application that runs on your remote system and allows you to view and use the CPU IP and its host computer s VNC viewer is readily available from a number of different sources e from the CPU IP installation CD e from the CPU IP itself e from the LINDY website e from the RealVNC website To connect using the VNC viewer v2 1 Locate and select the VNC viewer icon gt VNC Viewer e If you are using a dial up link A connection details dialog will be displayed VNC Viewer Connection Details v2 Server Encryption et Server Choose Default Ose Enter the CPU IP address here and click OK If required select the encryption mode MORE About II Options Options button Provides a range of viewer and connection settings MORE 2 In the Server entry type the address of the CPU IP as follows V W X Y wh
2. Hosts button to switch between host computers the video settings for each machine will be re used Note When performing an auto calibration ensure that the screen image is static no moving images and also that there are no on screen displays generated by KVM switches such as host names or menus This is because they may confuse the calculation and can result in a lower overall performance level For the mouse calibration part ensure that there are no application windows located around the upper left corner of the screen This is because as the mouse calibration takes place the cursor may change to match the application as it skims across the window and this may confuse the calculation Also ensure that the host system does not have the mouse cursor trails option enabled To auto calibrate the screen and mouse 1 Use the Hosts button to select the required computer 2 Click the button and then click OK in the subsequent pop up message The screen will appear to freeze for approximately 10 to 60 seconds as the necessary calculations are made Operation will return as soon as the calculations are complete Re synchronise mouse Del If you find that your local mouse pointer and that of the host are not correctly synchronised use this feature to re align their movements This operation is also selectable from the Controls menu To re synchronise the mouse 1 Use the Hosts button to select the required computer 2 Click the S
3. Save as defaults button LINDY OPERATION Ise INSTALLATION E FURTHER z z S 2 Z INDEX 40 Identities This feature helps your VNC viewer to confirm that a revisited CPU IP is genuine and not another device masquerading as a CPU IP The list given will retain the identities of all visited CPU IP units that have full security enabled When you first make a secure connection to the CPU IP the security information for that CPU IP unit is cached within this Identity tab i e the CPU IP s identity is known The next time that you connect to the CPU IP its identity is checked against the stored version VNC Viewer Options If a mismatch is found between the current and the stored identities then a warning will be issued to you If an existing CPU IP is fully reconfigured then it will need to issued with a new identity In this case the previous identity listed in this tab should be removed so that a new identity can be created on the next connection Defaults Reload defaults When clicked all connection options are returned to the default settings that are currently saved Save as defaults When clicked saves the current connection options as the default set that will be used in all subsequent VNC connections Save configuration file as Allows you to save the current settings so that they can be copied from one viewer to another LIND
4. Security issues with ports for more details HTTP port This is the logical link through which communications with a remote web browser will be channelled see What is a port The default setting of 80 is an established standard for web HTTP HyperText Transfer Protocol traffic though this can be changed to suit your local network requirements IP access control This section allows you to optionally specify ranges of addresses which will or won t be granted access to the CPU IP If this option is left unchanged then the default entry of 0 0 0 0 0 0 0 0 ensures that access from all IP addresses will be permitted See Setting IP access control for details LINDY OPERATION conncunsion INSTALLATION A FURTHER z S gt S e Z INDEX 48 Setting IP access control The golden rule with this feature is Include before you exclude or to put it 1 another way Arrange allowed addresses in the list before the denied addresses This is because the positions of entries in the list are vitally important Once a range of addresses is denied access it is not possible to make exceptions for particular addresses within that range For instance if the range of addresses from A to F are denied access first then the address C could not be granted access lower down the list Address C needs to be placed in the list before the denied range IMPORTANT This feature should be configured wi
5. using a non standard port number for access or limiting remote access to dial up connections only Ensuring sufficient security The security capabilities offered by the CPU IP are only truly effective when they are correctly used An open or weak password or unencrypted link can cause security loopholes and opportunities for potential intruders For network links in general and direct Internet connections in particular you should carefully consider and implement the following e Ensure that encryption is enabled By local configuration or by remote configuration e Ensure that you have selected secure passwords with at least 8 characters and a mixture of upper and lower case and numeric characters By remote configuration e Reserve the admin password for administration use only and use a non admin user profile for day to day access e Use the latest Secure VNC viewer this has more in built security than is available with the Java viewer To download the viewer e Use non standard port numbers e Restrict the range of IP addresses that are allowed to access the CPU IP to only those that you will need to use To restrict IP access e Do NOT Force VNC protocol 3 3 Remote configuration e Add a further level of inherent security by restricting access only via modem or ISDN dialup e Ensure that the computer accessing the CPU IP is clean of viruses and spyware and has up to date firewall and anti virus software loaded that is a
6. Firewall router Firewall KVM link to host system Local connection network connection KVM link to host system CPU IP situated behind the firewall CPU IP situated alongside the firewall IMPORTANT When the CPU IP is accessible from the public Internet or dial up connection you must ensure that sufficient security measures are employed Placing CPU IP behind a router or firewall A possible point of contention between the CPU IP and a firewall can occasionally arise over the use of IP ports Every port through the firewall represents a potential point of attack from outside and so it is advisable to minimise the number of open ports The CPU IP usually uses two separate port numbers however these are easily changeable and can even be combined into a single port IMPORTANT The correct configuration of routers and firewalls requires advanced networking skills and intimate knowledge of the particular network LINDY cannot provide specific advice on how to configure your network devices and strongly recommend that such tasks are carried out by a qualified professional Port settings As standard the CPU IP uses two ports to support its two types of viewer e Port 80 for users making contact with a web browser and e Port 5900 for those using the VNC viewer When these port numbers are used VNC viewers and web browsers will locate the CPU IP correctly using only its network address The firewall router must
7. INSTALLATION E FURTHER Z S S S g z INDEX 34 Network configuration This page allows you to configure the various aspects of the IP port and its relationship with the local network MAC Address 00 0F 58 00 00 04 Use DHCP No IP Address 192 168 42 154 Net Mask 2599 255 200 0 Gateway VNC Port 5900 HTTP Port 80 Clear IP Access Control Save Cancel MAC address Media Access Control address this is the unique and unchangeable code that was hard coded within your CPU IP unit when it was built It consists of six 2 digit hexadecimal base 16 numbers separated by colons A section of the MAC address identifies the manufacturer while the remainder is effectively the unique electronic serial number of your particular unit Use DHCP DHCP is an acronym for Dynamic Host Configuration Protocol Its function is particularly useful when connecting to medium size or larger networks such as the Internet When this option is selected your CPU IP will attempt to locate a DHCP server on the network If such a server is located it will supply three things to the CPU IP an IP address an IP network mask also known as a Subnet mask and a Gateway address These are not usually granted permanently but on a lease basis for a fixed amount of time or for as long as the CPU IP remains connected and switched on Discover allocations IP address This is the identity of the CPU IP within a net
8. or afterwards using only keyboard control access the Windows Control Panel of the computer and select either the Mouse option on Windows NT 2000 and XP or the System option on Windows 95 98 ME Look for the name of the driver which will usually include the words PS 2 or IntelliMouse To restore mouse operation when hot plugging 1 Using a KVM cable set carefully make the keyboard monitor and mouse connections between the host computer and the ports collectively labelled COMPUTER KVM SWITCH on the CPU IP Using a keyboard and monitor directly connected to the CPU IP log on and then press cr at c to view the options menu More about hotkeys Select the Restore mouse functions option to display Restore PS 2 Mouse Restore IntelliMouse Back Select one of the following options e Restore Standard Mouse if PS 2 mode is required or e Restore IntelliMouse if IntelliMouse mode is required 5 Select the Return to host option 6 Move the mouse a short distance and check for appropriate on screen cursor movement If the mouse cursor darts erratically around the screen then cease moving the mouse This is an indication that the chosen restore function is incorrect Try again using the other restore function Note The restore functions predict the likely mouse resolution settings but may not restore the exact speed or sensitivity settings that were originally set LINDY OPERATION CON
9. press Ctrl and C to copy the data into the event address event occurred clipboard 2 In a text application i e Word WordPad Notepad press Ctrl and V or right mouse click and Paste OPERATION conncunaion INSTALLATION i 192 168 0 2 i Clear Log admin 192 168 0 Logoff admin 192 168 0 Logon admin 192 168 0 Logoff admin local Logoff admin 192 168 0 Logon admin local Logon admin local Logoff admin 192 168 0 Logoff Power On admin 192 168 0 Logon admin local Logon admin local Logoff admin 192 168 0 Logoff admin 192 168 0 Logon admin 192 168 0 Logoff admin 192 168 0 Logon admin local Logon admin local Logoff admin 192 168 0 Logoff Power On admin 192 168 0 Logon admin local Logon To get here Z SL 6 adin local Logoff 1 Using VNC viewer or a browser log on as the admin user s Use El E te 2 Click the Configure button in the top right corner ES sill Pecan aba 3 Click the Logging and status option BS Z Click to clear Click to Click to all log entries refresh return to the list the main menu S A z 52 Appendix 6 Addresses masks and ports IP address network masks and ports are all closely linked in the quest for one device to find another across disparate network links IP addresses As a rough analogy consider how you use the telephone system The phone number for LINDY in the UK is 0044 0 1642 754000 This number consists of three distinct par
10. 3 2 CPU IP Baud Rate lt 115200 ol Baud tae Initialization Sequence ees This option configures the speed of the serial connection between the CPU IP and a connected modem or ISDN terminal adapter The default setting is 115200 The other communication settings are fixed as No parity 8 bit word 1 Restore Defaults stop bit Initialization sequence The codes entered here are used to prepare the connected modem or ISDN Baud Rate lt 9600 ol terminal adapter for use with the CPU IP The default code is a Hayes compatible string to configure auto answer mode and would be understood by the vast majority of modem ISDN devices The code is sent when the CPU IP is first switched on or whenever the Initialize button is clicked Save Serial Configuration Cancel Initialize Power Control Port OPERATION conscunsnon INSTALLATION E When clicked this option sends the characters entered in the Initialisation Z sequence field to the connected modem or ISDN terminal adapter S S T To get here Restore Defaults F 1 Using VNC viewer or a browser log on as the admin user When clicked this option resets the Baud rate and Initialisation sequence values z to their original default settings 2 Click the Configure button in the top right corner 3 Click the Serial port configuration option Power control port Baud rate Gel This option configures the speed of the serial connection betwe
11. 8 bit word and 1 stop bit Power supply connection The CPU IP is supplied with a single power supply and an appropriate country specific IEC power lead There is no on off switch so operation begins as soon as the power supply is connected To connect the power supply 1 Connect the low voltage output connector from the power supply unit to the power socket on the rear panel of the CPU IP 2 Connect the IEC connector of the supplied country specific power lead to the socket of the power supply 3 Connect the power lead to a nearby main supply socket OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Power control port The CPU IP provides a serial port for connection to one or more optional power control units This allows you to control the mains power being supplied to the connected host s so that an authorised remote user can if necessary perform a complete cold reboot on a failed host system The control connector of the first power switch is connected via serial cable to the rear panel of the CPU IP Any additional power switches are then connected via a daisy chain arrangement to the first power switch Each power switch box is then given a unique address and access to each power port 4 or 8 ports on each power switch box is gained using a combination of the switch box address and the port number Daisy chain control connections Power switch boxes Box 1 Box 2 P
12. For instance to send the command Ctrl Alt 4 you should enter the following Ctrl Alt 4 To send the command Ctrl Alt 12 you should enter the following Ctrl ALT 1 142 the 1 entry causes the 1 key to be released before the 2 key is pressed Note It is not necessary to specify all keys to be released at the end because they are all released automatically after the last code A list of valid codes are given in Appendix 8 OPERATION Ise INSTALLATION E Power On Enter the code required to make an attached power control unit apply power to the selected host See Power switching configuration for details Hosts Configuration Cancel Power Off Enter the code required to make an attached power control unit remove power from the selected host See Power switching configuration for details FURTHER z z S e Z 2 Enter the required information in each field To get here 3 Click the OK button 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Click the Host configuration option ZS Z lt _ 51 Logging and status LINDY This screen provides various details about the user activity on the CPU IP To copy and paste the log You can copy the information listed within the log and paste it into another Date and User Access method Type application tma ne name Reegel or 1 While viewing the log screen
13. Germany in France in Italy in Switzerland elsewhere e LINDY website www lindy com Check the Support section of our website for the latest solutions and driver postmaster lindy co uk usa lindy com info lindy de france lindy fr italia lindy it info lindy ch postmaster lindy com 01642 765274 256 771 0460 0621 4700530 03 88 20 57 74 031 48 06 52 061 3359709 44 0 1642 754029 01642 754000 256 771 0660 0621 470050 0 825 825 111 031 48 40 11 061 3359700 44 0 1642 754020 LINDY OPERATION conscunsnon INSTALLATION E FURTHER Z S z S e z INDEX 32 Appendix 1 Local configuration menus This section covers the control menus that are available when you are using the locally connected keyboard video monitor and mouse To access the local configuration menus e On the locally connected keyboard simultaneously press cu J c Note If the standard hotkeys CTRL ALT have been changed then you need to use those keys together with C to access the menus Logoff Restore Mouse Functions Configuration If you are not logged on as the admin user then the Configuration menu will not be available Access Mode Shared Host Email server Use the Host entry to switch to the Return To Host required host computer when a KVM switch is used Select the Configuration option to display Unit Configuration 7 DEN KEEN Configuration Select the require
14. Left Right Alt Left Ctrl Alt or Right Ctrl Alt To get here 1 Use the local keyboard and log on as the admin user 2 Press on hotkeys may be different 3 Select Configuration 4 Select Unit configuration Screensaver Use the left and right arrow keys to select an appropriate period of inactivity on the local keyboard or mouse before a screensaver is displayed and the user is logged out This setting applies to local users only and once the screensaver is displayed for security purposes the user is required to log in again The timeout period can be selected between 5 minutes and 1 day 24 hours it cannot be disabled Note The Idle timeout option serves a similar purpose for remote connections Time and date Use the left and right arrow keys to select the correct time and date The time entry uses the 24 hour clock notation The internal real time clock will continue to run for roughly one week without power to the CPU IP after that it will be lost and require resetting Use the up and down arrow keys to move between each of the sections within the time and date entries Encryption Three options are available Always on prefer off prefer on The one to choose depends on the specific details of your installation see Encryption settings for details The use of encryption imposes a slight performance overhead of roughly 10 but is highly secure against third party intrusion LINDY OPERATION Ise
15. Point to Point Protocol For this purpose both devices must have dummy IP addresses so that they can communicate correctly These two addresses can be almost anything expressed in the quad octet format i e 192 168 3 1 However it is advisable not to make them the same as the real IP addresses used by either the remote system or the CPU IP Baud rate This option configures the speed of the serial connection between the CPU IP and a connected modem or ISDN terminal adapter The default setting is 115200 The other communication settings are fixed as No parity 8 bit word 1 stop bit To get here 1 Use the local keyboard and log on as the admin user 2 Press oul hotkeys may be different 3 Select Configuration 4 Select Modem configuration Init string The codes entered here are used to prepare the connected modem or ISDN terminal adapter for use with the CPU IP The default code is a Hayes compatible string to configure auto answer mode and would be understood by the vast majority of modem ISDN devices The code is sent when the CPU IP is first switched on or whenever the Initialize button is clicked Initialize port When selected this option sends the characters entered in the Init string field to the connected modem or ISDN terminal adapter Restore Defaults When selected this option resets the Baud rate and Init string values to their original default settings LINDY IN
16. VNC port initial setup 12 local setting 35 remote setting 48 when altered 17 VNC viewer configuration menus 44 connection 24 connection options 39 download 30 window options 42 W Warranty 59 Web browser connection 24 viewer options 43 Z ZRLE 39 43 LINDY OPERATION Ise INSTALLATION E FURTHER INFORMATION INDEX
17. calibration process into giving a much higher Threshold rate than is necessary thus worsening the screen artefacts Setting the Threshold manually Occasionally it can be useful to manually adjust the Threshold setting such as when there is a KVM switch OSD banner that cannot be easily removed from the display 1 Use the Calibrate all function to ensure that all other settings are optimised 2 Click the Threshold left arrow button to decrement the setting by one and observe the Display activity indicator 3 Repeat step 2 until the Display activity indicator suddenly rises to a much higher level i e 50 This will mean that you have reached the noise boundary At this point increment the Threshold value by 2 or 3 points to achieve an optimum setting LINDY OPERATION conncunsion INSTALLATION FURTHER INFORMATION 29 Connecting via dial up modem or ISDN link When you use a modem or ISDN link to make the connection the CPU IP uses standard network protocols to create a private two device network This approach ensures consistency and allows you to use exactly the same VNC viewer or browser to view the hosts systems This is achieved using PPP Point to Point Protocol and means that you need to use a dial up networking method to initiate the connection Such software is standard with operating systems such as Windows Linux and Mac OS To initiate a dial up link 1 Using a system that has a modem or IS
18. if one is connected or otherwise a No Signal message 3 Click the Configure button in the top right hand corner of the window to display the configuration menu 4 val bogged on users admin O User Accounts O Unit Configuration O Network Configuration O Serial Port Configuration O Host Configuration O Logging and Status Return to Host Conf iguration e EEN Many of the options within the configuration menu duplicate those that were set or are available in the local configuration However there are numerous other settings that are only available here OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Networking issues Thanks to its robust security the CPU IP offers you great flexibility in how it integrates into an existing network structure The CPU IP is designed to reside either on an internal network behind a firewall router or alternatively with its own direct Internet connection Positioning CPU IP in the network Every network setup is different and great care needs to be taken when introducing a powerful device such as the CPU IP into an existing configuration A common cause of potential problems can be in clashes with firewall configurations For this reason the CPU IP is designed to be intelligent flexible and secure With the minimum of effort the CPU IP can reside either behind the firewall or alongside with its own separate Internet connection
19. intervene The CPU IP is different and requires only the remote system s to run a small utility The host system can run its usual operating system completely unchanged and needs only to be connected via its keyboard video and mouse ports to the compact CPU IP box It is this external connection to the CPU IP that keeps the remote user in control Even in the midst of a system crash the remote user can still view the host s condition as if sitting next to it Additionally when the power switch option is employed a host system can be remotely rebooted no matter how badly it has locked up The CPU IP really starts to excel when it is hooked to a suitable KVM switch Then its robust secure and adaptable operation is available across a multitude of systems Note Throughout this manual the LINDY CPU IP Access Switch Plus is referred to simply as the CPU IP Four simultaneous remote users CPU IP can support four remote users at any one time All of these may be connected via the IP network port or one may be linked via the modem ISDN channel Local user The console port allows control of the system s by a keyboard video monitor and mouse connected directly to the CPU IP Modem ISDN port This port offers a connection option that can be used alongside or instead of the IP network link It also offers a backup route should the network fail Modem or ISDN Modem or ISDN IP network Interne
20. key creation host details Go to Part 2 Remote configuration Part 1 Local configuration When you switch on the CPU IP unit for the first time it will take you using the locally connected keyboard and video monitor through a set up sequence consisting of four main screens A S 3 3 S Ha Z S Z S Hardware Rev 1 3 Firmware Version 1 4 MAC Address 00 0F 58 00 00 04 Server IP 192 168 3 1 Si Keybd Layout UK Use DHCP SNO Client IP 192 168 3 2 Random data is required to E Admin Passwd IP Address 192 168 42 154 Baud Rate 115200 generate encryption keys e Unit Name Net Mask 255 255 255 0 Init String ATZHSO 1 for secure VNC access Hot Keys Ctr1l Alt Gateway Please move the mouse or Screensaver 10 mins VNC Port 5900 press keys until the bar Time ay A HTTP Port 80 Initialize Port becomes full z Date 15 Apr Restore Defaults G Encryption Prefer Off SE Save E 5 H 55 Unit config screen Network config screen Modem config screen Secure keys screen RE Allows you to determine a mixture Requires you to configure the Allows you to optionally alter the This screen uses your mouse z of basic and fundamental setup various key aspects of the IP current settings for the serial port that movements or keyboard inputs details such as the keyboard layout network port addressing is used to connect a modem or ISDN to create random data This admin password time and date terminal adapter The IP addresses are unpred
21. log on as the admin user 2 Press en Lat cj hotkeys may be set differently 3 Select Configuration 4 Select Network configuration e i MAC Address 00 0F 58 00 00 04 5 Highlight aha IP Use DHCP ve access control option IP Address 192 168 42 154 S and press gd Net Mask 255 255 255 0 Gateway VNC Port 5900 HTTP Port EI Clear IP Access Control Save Cancel LINDY INSTALLATION CONFIGURATION z S E S a FURTHER INFORMATION 38 Appendix 2 VNC viewer connection options LINDY When you are connecting to the CPU IP using the VNC viewer a S IMPORTANT If you make any changes to the options given here and wish to number of options are available y2 Sever FARE d retain them for successive connection sessions you must save the changes Encryption To do this change to the Defaults tab and click the Save as defaults button VNC Viewer Connection Details Click here to access the options There are five tabbed pages of options Colour Encoding VNC Viewer Options Auto select Colour Encoding Inputs Mise Identities Defaults Colour level When ticked this option will This section allows you to select the most appropriate colour level for the examine the speed of your speed of the connection to the CPU IP Where the connection speed is slow or connection to the CPU IP and apply inconsistent there will be a necessary c
22. move and keypress the single dash will move across the screen unless the same key is pressed repeatedly Periodically a new star character will be added to the bar as the random data is accepted as part of the new encryption key When the bar is full the final encryption keys for your CPU IP will be created this process takes roughly 30 to 40 seconds continued LINDY INSTALLATION A S 3 3 S Ra Z S OPERATION FURTHER INFORMATION 12 5 Once the secure keys have been calculated the CPU IP will restart and present a standard logon screen At this stage the username will be admin and the password will be whatever you entered in the first setup screen Username Password Once the username and password have been accepted the screen should now show the host computer screen or if none is connected a blank image 6 To view the options menu Press el al cj More about hotkeys if the standard hotkeys were altered use the new hotkeys plus C Logoff Select to close your current session and display the screensaver Restore mouse functions Logoff Select to revive a mouse Restore Mouse Functions that has ceased to function Configuration correctly See Hot plugging and mouse restoration for Access Mode Shared details Host Email server Configuration Select to gain access to the Unit Network and Modem configuration screens Within here you can also reset the CPU IP to its
23. network Every new port that is opened offers a new possibility for hackers and so the number of accessible ports is purposefully kept to a minimum In such cases it may be advantageous to change one or both CPU IP ports to use the same number The other alternative is to place the CPU IP unit outside the firewall and take full advantage of its secure operation features see Networking issues for details IMPORTANT The correct configuration of routers and firewalls requires advanced networking skills and intimate knowledge of the particular network LINDY cannot provide specific advice on how to configure your network devices and strongly recommend that such tasks are carried out by a qualified professional LINDY OPERATION Ise INSTALLATION E FURTHER z z S 2 Z INDEX 56 Appendix 7 Cable and connector specifications RS232 serial mouse to PS 2 converter cable CPU IP to power switch cable 6pin mini DIN 9pin D type 9pin D type female 4pin RJ10 female female mp OI RXD y CLK NC 1 DCD RD __ TxD B DAT gt a RXD d GND GND z TD GND 5 GND Z GND DTR Seet 5V DSR z 12V RTS Power switch to power switch daisy chain cable 3 i Female m ER Apin RJ10 Apin RJ10 S 5 a6 nc CTS Z ea S GND OD GND S 1 2 NC Q TxD _ _ mD RD EI _ RxD S CND GND 3 A FURTHER Z S z S e z INDEX 57 App
24. port number through to the CPU IP OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Addressing When the CPU IP is situated within the local network you will need to give it an appropriate local IP address and IP network mask This is achieved most easily using the DHCP server option which will apply these details automatically If a DHCP server is not available on the network then these details need to be applied manually in accordance with the network administrator The firewall router must then be informed to route incoming requests to port 5900 or port 80 if available through to the local address being used by the CPU IP Remote user with VNC viewer accesses IP address 129 7 1 10 and automatically uses port To discover a DHCP allocated IP address Once a DHCP server has allocated an IP address you will need to know it in order to access the CPU IP via a network connection To discover the allocated IP address 1 In either the local or remote Network configuration screens set the Use DHCP option to Yes and select Save Once the page is saved the CPU Ip will contact the DHCP server and obtain a new address 2 Re enter the same Network configuration screen where the new IP address and network mask should be displayed DNS addressing As with any other network device you can arrange for your CPU IP to be accessible using a name rather than an IP address This can be
25. ticked this option will examine the speed of your connection to the CPU IP and apply the most suitable encoding method This option is suggested for the majority of installations 64 O Ve Inputs I View only ignore mouse amp keyboard IV Accept clipboard from server IV Send clipboard to server Preferred encoding Security There are three manually selectable 512 bits low security encoding methods which are accessible 1024 bits medium security when the Auto select option is unticked 2048 bits high security e ZRLE This is a highly compressed Mise method that is best suited to slow I Shared don t disconnect other viewers modem connections e Hextile This method offers better performance than the ZRLE when used over a high speed network because there is no need for the CPU IP to spend time highly compressing the data e Raw This is a primitive uncompressed method that is mainly used for technical support issues You are recommended not to use this method Iw Render cursor locally IV Fast CopyRect ol Cancel Warning Applet Window Colour level The colour level is fixed at Medium 256 colours for almost all browsers Inputs View only ignore mouse amp keyboard When ticked the viewer will not send keyboard or mouse information to the CPU IP or host system Accept clipboard from server This feature is restricted to software server versions of VNC and has no effect on CPU IP insta
26. values for all octets are as follows notation to specify both single locations and ranges of addresses In order to use this function correctly you need to calculate the mask so that it accurately EE Binary inet OORE oan encompasses the required address es 255 11111111 1 address 254 11111110 2 addresses aingle locations 252 11111100 4 addresses Some of the simplest addresses to allow or deny are single locations In this case you enter the required IP address into the Network Address field and simply 248 11111000 8 addresses enter the Mask as 255 255 255 255 255 used throughout the mask means 240 11110000 16 addresses that every bit of the address will be compared and so there can only be one 224 11100000 32 addresses unique address to match the one stated in the Network Address field 192 11000000 Geht All locations 128 10000000 128 addresses The other easy setting to make is ALL addresses using the mask 0 0 0 0 As 0 00000000 256 addresses standard the IP access control section includes the entry 0 0 0 0 0 0 0 0 The purpose of this entry is to include all IP addresses It is possible to similarly exclude all addresses however take great care not to do this as you instantly render all network access void There is a recovery procedure should this occur If the access control range that you need to define is not possible using one address and one mask then you could break it down into two or more entries Each of t
27. 00 Fax 061 3359709 LINDY OPERATION conscunsnon INSTALLATION E FURTHER Z S z S e z INDEX 61 Index A Access control configuration 49 mask calculation 55 Access mode shared amp private 27 Account creation for users 45 Address explanation 53 Addressing DNS 18 network issues 18 power switch boxes 10 Admin password initial setup 12 local setting 34 Advanced unit configuration 47 Artifacts on screen 25 Assistance from LINDY 32 Auto select 39 43 Baud rate local setting 36 remote setting 50 Binary net masks 54 Brackets 5 fitting 6 Browser connection 24 C Cable specifications 53 57 58 Calibrate mouse 27 screen 27 Calibrate all video settings 29 Clear IP access control local setting 35 Client IP local setting 36 Colour level 39 COM1 baud rate 50 connection 9 COM2 baud rate 50 connection 10 Configuration switches 4 Connections host computer 7 ISDN 9 keyboard 8 KVM switch 7 local 22 modem 9 monitor 8 mouse 8 network port 8 power supply 9 remote 23 Connector specifications 57 Controls viewer options 28 Control menus for local connection 33 for remote connection 25 44 Control strings power switching 20 D Daisy chain cable 57 Date local setting 34 remote setting 46 DHCP discovering allocations 18 during initial setup 12 local setting 21 35 remote setting 48 Dial up connection 30 DNS addressing 18 E Encryp
28. DN adapter installed locate the dial up networking option on your system Please refer to your system documentation for more information 2 Using the dial up networking option enter the telephone ISDN number where the CPU IP can be contacted 3 Initiate the call and when the link is made continue with either the standard VNC viewer or browser connection Note For the viewer network connection address you must use the IP address that the admin user has set as the Server address or PPP server IP address within the Modem configuration screen Downloading VNC viewer from the CPU IP The CPU IP has the ability to distribute its own VNC viewer application To download the VNC viewer 1 Open your Web browser 2 Enter the network address where the CPU IP is situated in the form http 192 168 0 3 and make the link 3 In the opening CPU IP screen click the link that offers to download the secure VNC viewer from the unit Save the download file vncviewer exe to your system Select and run the downloaded file and then connect to the CPU IP using the VNC viewer application Ui P If you need to enter a port number Usually when you make a network connection to the CPU IP either using the VNC viewer or a Web browser you simply enter the IP address i e 192 168 0 3 However if a special configuration is necessary then you may be asked to specify a port number as well as the IP address What is a port To enter a port
29. ER INFORMATION Controls When clicked this button reveals a menu of oOo NI i i i m e with keyboard video and mouse ej hast Resync Mouse Refresh Screen Mouse Control Keyboard Control Video Settings Resync mouse This option has the same effect as the button on the menu bar and resynchronises the local and remote mouse pointers Refresh screen This option refreshes the whole screen image to remove any artifacts from moved screen items This is useful when using very low refresh rates on slow speed communication links Mouse control This option displays a mouse control dialog and is useful when the remote cursor is failing to respond correctly to your mouse movements even after using the Resync mouse option The mouse control dialog allows you to control the remote mouse cursor using a selection of buttons that you click with your local mouse Click to produce a single Mouse Control mouse click for the left centre or right mouse Click to produce a buttons a i continuous mouse click A gt and hold for the left centre or right mouse Click to move the remote y buttons mouse cursor up down Calibrate left or right Click to calibrate the Restore Mouse remote mouse Close EAE Click to display the Restore Dacne mouse dialog where you can Restore P52 Mouse reinstate a mouse that has failed Restore IntelliMouse to operate correctly For advice on which mo
30. FIGURATION INSTALLATION E FURTHER INFORMATION The CPU IP asks for an unknown admin password This may occur if the CPU IP has been previously configured If the existing admin password cannot be discovered then your only recourse is to perform a factory reset To invoke a configuration reset by switch 1 Remove power from the CPU IP unit 2 At the rear of the CPU IP adjacent to the power input socket click mini switch 1 to its ON down position 3 Re apply power to the CPU IP On the locally connected monitor you should see a Maintenance menu Maintenance To upgrade unit visit http 192 168 42 154 Configure Network Reset Configuration Put option switch 1 up to return to normal operation 4 Select the Reset configuration option A warning screen will be displayed Select the RESET option and press d Reset Config WARNING Continuing will cause your existing configuration to be erased The unit will then reset and require re configuring before it can be used gt RESET lt Cancel 5 Remove power return the mini switch 1 to its OFF position and then re apply power The locally connected monitor should display the first screen of the LINDY The CPU IP does not display the configuration sequence If the CPU IP has been previously configured it may not automatically display the first of the setup screens In this case you have two options either e Access the Unit Network and S
31. GS selection EE 26 ENEE 26 Pte calibrate DE 27 Re synchronise mouse B cccccccsssssssesssesseeees 27 Access mode shared private A 27 Power CONT eet 27 RE 28 Connecting via dial up modem or ISDN link 6 30 Downloading VNC viewer from the CRU IR 30 If you need to enter a port number 30 Viewer encryption SQTUINGS sicssccncdsssnscccnisaeseccesasneamndernaaoce 31 Supported WED Drowse Sarcona 31 Contents page 2 LINDY OPERATION conscunston INSTALLATION FURTHER INFORMATION Further information TOSS iaon a ioia 32 Cerino asita O aaa a aa 32 Appendix 1 Local configuration MenUS sssssssessesesesreeneen 33 Unit conniguratioN recien a a 34 Network conniguratioi E 35 Modem configuration ic aeric sae css cescece ncn snscsimeecensevoeenducastadenes 36 Reset configuratii ca ctcettaucgcctstnbecdasackardseaneimducc nities aniedimadanucs 37 clear IP access CONUS arnoia i 38 Appendix 2 VNC viewer connection optlons 39 COlGUr BC OG ING E 39 leie E A0 MISC inerea 40 RRE a a 41 Dera E 41 Appendix 3 VNC viewer window optionms 42 Appendix 4 Browser viewer Options ssssssssesssrsessessrresenene 43 Encoding and colour eVel isaiccciseadosstavanrnsseanduddmmscbuscasenuataens 43 HON aaa a aaa a a 43 BOCUMICY sinasara 43 LE 43 Appendix 5 Remote configuration menus 44 User ACCOM aana 45 ge EE 46 Advanced unit configuration EE 47 Network Ge ergeet Ee 48 Setting IP access COMI
32. Ise INSTALLATION E FURTHER Z S z S S z INDEX 60 2004 LINDY Electronics Limited amp LINDY Elektronik GmbH All trademarks are acknowledged Release 1 0c October 2004 Great Britain amp N Ireland LINDY Electronics Ltd Sadler Forster Way Teesside Industrial Estate Thornaby Stockton on Tees TS17 9JY United Kingdom Email postmaster lindy co uk Tel 01642 754000 Fax 01642 765274 Germany LINDY Elektronik GmbH Markircher Str 20 68229 Mannheim Deutschland Email info lindy de Tel 0621 470050 Fax 0621 4700530 International amp Eire LINDY International Ltd Sadler Forster Way Teesside Industrial Estate Thornaby Stockton on Tees TS17 9JY United Kingdom Email postmaster lindy com Tel 44 0 1642 754020 Fax 44 0 1642 754029 France LINDY FRANCE SA 6 Rue RAPP CS31015 67451 MUNDOLSHEIM CEDEX France Email france lindy fr Tel 0 825 825 111 Fax 03 88 20 57 74 North America Documentation by egen www ctxd com TEXT amp LINDY Computer Connection Technology Inc 16214 Phillips Road Athens AL 35613 USA Email usa lindy usa com Tel 256 771 0660 Fax 256 771 0460 Italia LINDY Italia Srl Via Varesina 126 B 22079 Villa Guardia CO Italia Email italia lindy it Tel 031 48 40 11 Fax 031 48 06 52 Schweiz Suisse Svizzera LINDY Elektronik AG Florenzstrasse 9 CH 4023 Basel Email info lindy ch Tel 061 33597
33. Linby CPU IP Access Switch Plus a User Guide Access Switch Plus CONTENTS Contents Introduction CPU IP Access Switch Plus features front and rear s s s 4 WATS ES 5 What you may additionally need sisisesseusisneadearsecdesloreionmeneateniane 5 Installation MONEIN EE 6 CONNEC ONS E EE 7 Host computer AE 7 Local keyboard video monitor and mouse 8 IP VE AE 8 ModenviSDN ee 9 Power supply Connector scisinsissssatideraisdonnaneeneetusintaiseaaleaians 9 Power control EE 10 Configuration alte QUINN E 11 Part 1 Local configuration eege 11 Encryption Settings eege eendeitege 13 Hot plugging and mouse restoration c ccceeeesseeeees 14 Resetting the configuration siccissiniscestusncessnretiniatimmedinone 15 Part 2 Remote configuration wissesceccecescsnnscssstaccnsesesuenesterecee 16 Networking EE 17 Positioning CPU IP in the pebwegk aicccsscscinsscinmacnsnssuccasnainene 17 Placing CPU IP behind a router or firewall 06 17 Placing CPU IP alongside the firewall A 19 Power switching CONTIOQUNATION casi vercessccsrcecsinisusecnsorssesseneasstcs 20 Perr Ones a flash upgradessansanimanen 21 Operation Connecting to the CPU IP sinirine mdna 22 Local GECI siei aa 22 GEN ee E en D 23 Remote connection by VNC viewer 24 Remote connection by Web browser ANEN 24 Using the viewer WINDOW ois dasiisaccesssinesintinsaiiaoiivestesmamneeians 25 UAV Daf enie aE 25 When using the viewer windoww EEN 25 E 26 PI
34. N Se ccacpantscteisnacissumnsccsereisbencanseics 49 Serial Er 50 Modentpoli E 50 Power CONGO POM EN 50 POS COMMU E 51 togging and status eege dE 52 Appendix 6 Addresses masks and porte 53 IP addres ESen 53 Net masks ENEE 53 Net masks the binary exvplanatton 54 Calculating the mask for IP access Control 55 POTS EE 56 Security issues With A 56 Appendix 7 Cable and connector speclflcatlons 57 RS232 serial mouse to PS 2 converter cable ceseee 57 CPU IP to power TE 57 Power switch to power switch daisy chain cable 57 Appendix 8 Hotkey sequence COdEGS sscceeeesseeeeeeeeeeeees 58 Other products in the CPU Switch range sss ssssssseseseseesrsesse 59 PUY AAO E 59 Satety el 59 Radio Frequency me aisisscitusticpnsusdioisiiisiniieaieesmininians 60 Index LINDY OPERATION Jonas INSTALLATION FURTHER INFORMATION Introduction Thank you for choosing the CPU IP Access Switch Plus from LINDY This intelligent product delivers straightforward setup secure operation and the ability to fully control one or more computers from almost anywhere Remote control via a network connection is nothing new and software only solutions to facilitate this are commonplace However they all present two major drawbacks a Special software must be used on all of the computers involved especially the host and b if that host ceases to operate the remote user is powerless to
35. P At the rear of the unit return the mini switch 1 to its OFF position and then re apply power Configure network option MAC Address 00 0F 58 00 00 04 Use DHCP IP Address Net Mask Gateway No 192 168 42 154 2392092990 MAC address Media Access Control address this is the unique and unchangeable code that was hard coded within your CPU IP unit when it was built It consists of six 2 digit hexadecimal base 16 numbers separated by colons A section of the MAC address identifies the manufacturer while the remainder is effectively the unique electronic serial number of your particular unit Use DHCP When this option is selected your CPU IP will attempt to locate a DHCP server on the network If such a server is located it will supply three things to the CPU IP an IP address an IP network mask also known as a Subnet mask and a Gateway address IP address This is the identity of the CPU IP within a network It can either be entered manually or configured automatically using the DHCP option When the DHCP option is enabled this entry is greyed out Net mask Also often called the subnet mask this value is used alongside the IP address to help define a smaller collection or subnet of devices on a network In this way a distinction is made between locally connected devices and ones that are reachable elsewhere such as on the wider Internet Gateway This is the address of the devi
36. STALLATION CONFIGURATION z S E S a FURTHER INFORMATION 36 Reset configuration LINDY This option allows you to o geth E completely reset the CPU IP i ee 1 Use the local keyboard and log on as the admin user WARNING Continuing will cause 2 Press hotkeys may be different your existing configuration to 3 Select Configuration be erased p ae 4 Select Reset configuration The unit will then reset and require re configuring before it can be used INSTALLATION DO YOU WISH TO CONTINUE RESET Cancel WARNING This process will remove all settings and return the unit to use Its original state A complete reconfiguration will be required before it can be used CONFIGURATION To reset the CPU IP configuration 8 1 With the RESET option highlighted press Jl 2 The first screen of the initial configuration process will be displayed See Initial configuration for details z S E S a FURTHER INFORMATION 37 Clear IP access control This option removes all entries from the IP access control feature within the CPU IP What is IP access control The IP access control feature configurable by a remote admin user allows certain network address ranges to be denied access to the CPU IP If set incorrectly it is possible to exclude all network users and so this option provides an emergency recovery point To clear IP access control 1 Use the local keyboard and
37. TION INSTALLATION FURTHER INFORMATION Connections Installation of the CPU IP involves a number of basic connections to some or all of the following items Host computer or KVM switch gt Local keyboard video and mouse IP network port Modem ISDN port Power input Power control port Host computer or KVM switch The CPU IP can either connect directly to a single host computer or to range of hosts via one or more KVM switches To connect a host computer or KVM switch 1 Ensure that power is disconnected from the CPU IP and the computer or KVM switch to be connected Note If it is not possible to switch off devices prior to connection then a Hot plug procedure is available see the Hot plugging and mouse restoration section for more details 2 Connect the plugs at one end of a KVM cable set to the keyboard video and mouse sockets of the computer or KVM switch for mouse plug conversion information see Appendix 7 Monitor video O Blue Keyboard Ea Purple Mouse Wl or NW Mid green 3 Connect the plugs at the other end of the KVM cable set to the corresponding sockets collectively labelled as COMPUTER KVM SWITCH at the rear of the CPU IP OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Local keyboard video monitor and mouse A locally connected keyboard video monitor and mouse are required during the initial configuration These are also us
38. VNC viewer is slightly better suited to slower connections than the browser viewer because it offers more options Click the Options button of the VNC viewer when entering the CPU IP address during log on Adjust the Threshold setting Ensure that the video Threshold setting is set higher than the automatic setting suggests Tweak this setting manually to ensure the best setting Fewer colours Select the Low 64 colours mode The Very low option offers hardly any improvement and looks a lot worse Rate limit mouse events When selected this mode greatly reduces the mouse movement data that are sent to the host computer When you move the local mouse the remote cursor will catch up roughly once per second LINDY OPERATION conncunaion INSTALLATION E FURTHER INFORMATION 25 Mouse pointers Both viewers use a double mouse cursor to help overcome any delays caused by slow connections When you move your mouse you will see two mouse cursors a local one that responds immediately to your movements and a second slower moving cursor that represents the current mouse position at the host For the browser viewer the local cursor is a typical arrow E VNC Demo 1 20 Internet Explorer L Recycle Bin Local cursor Remote host cursor For the VNC viewer the local cursor is a dot Internet Explorer Local dot cursor Remote host cursor Host selection The Hosts button on the menu b
39. Y VNC Viewer Options i n Colour Encoding Inputs Misc Identities Defaults Reload Defaults Save As Defaults Reload Configuration File Save Configuration File Save Configuration File As OPERATION Ise INSTALLATION E FURTHER Z S S S g z INDEX 41 Appendix 3 VNC viewer window options LINDY Click the VNC icon in the top left corner of the viewer window or press F8 to BIE views Connection Details display the window options va Server Encryption et Server Choose Default K f About P Options Standard window control items Full screen Expands the VNC viewer window to fill the whole screen with no visible window edges or toolbar Press F8 to re display this menu VNC Viewer Options Colour Encoding Inputs Misc Identities Defaults Auto select Colour level Move Size Preferred encoding Full all available colours Medium 256 colours O Low 64 colours O Very low 8 colours Send F8 Passes the F8 function key code to the CPU IP and host system This is necessary because F8 is trapped by the VNC lt F4 viewer for use as the trigger for this options menu Minimize O Maximize X Close Full screen Send F8 PECH Passes a Ctrl Alt Del sequence to the host system i Connection _________ New connection IONS D eres Displays the
40. achieved in two main ways e For small networks that do not have a DNS Domain Name System server edit the hosts files on the appropriate remote systems Using the hosts file you can manually link the CPU IP s address to the required name OPERATION CONFIGURATION INSTALLATION 2390 e For larger networks declare the IP address and required name to the DNS server of your local network The actual steps required to achieve either of these options are beyond the scope of this document Firewall router address 129 7 1 10 The firewall routes the request from the VNC viewer on port 5900 through to CPU IP has a local address the CPU IP at local address and net mask i e 192 168 0 3 IP address 192 168 0 3 A Net mask 255 255 255 0 S S SS KS Z x Di A Z Ecg Placing CPU IP alongside the firewall CPU IP is built from the ground up to be secure It employs a sophisticated 128bit public private key system that has been rigorously analysed and found to be highly secure Therefore you can position the CPU IP alongside the firewall and control hosts that are also IP connected within the local network IMPORTANT If you make the CPU IP accessible from the public Internet or from a modem care should be taken to ensure that the maximum security available is activated You are strongly advised to enable encryption and use a strong password Security may be further improved by restricting client IP addresses
41. age to the computer however when mouse communications are interrupted often they fail to re initialise when reconnected The CPU IP provides a feature to reinstate mouse communications once the necessary connections have been made There are two main types of data formats used by current PC mice these are the older PS 2 format and the more recent IntelliMouse format introduced by Microsoft These use slightly different data arrangements and it is important to know which type was being used before you hot plugged the computer to the CPU IP The previous setting depends both on the type of mouse and the type of driver as various combinations of PS 2 and IntelliMouse are possible Using the incorrect restore function may produce unpredictable results and require the computer to be re booted Which restore setting do I use The general rule is that unless both the mouse and the driver are both IntelliMouse compatible then you need to restore the mouse as PS An IntelliMouse can operate in either mode whereas a PS 2 mouse cannot Recognising an IntelliMouse style mouse The IntelliMouse format was introduced to support among other features the scroll wheel function If the mouse has a scroll wheel then it is likely to support the IntelliMouse format If it is a Microsoft branded mouse then it will usually state that it is an IntelliMouse on its underside label Recognising an IntelliMouse driver Before hot plugging to the CPU IP
42. ar provides the quickest and most efficient way to switch between host computers This is because the button is close at hand but also because the screen calibration details for each host are reused when this method of switching is used The alternative is to use KVM switch hotkey combinations or the KVM switch on screen wm Note The Hosts button is displayed only when the switching details for two or more computers have been declared within the configuration section by the admin user HTTP sewer To select a host 1 Click the Hosts button to display a list of computers 2 Click the required computer name to view and control it Configure This option is displayed only when you are logged on as the admin user When selected it provides access to a wide range of CPU IP settings See Appendix 5 Remote configuration menus for more details LINDY INSTALLATION Z ei 3 L Ha Z e Q OPERATION FURTHER INFORMATION 26 Auto calibrate gi When you visit a host computer for the very first time your viewer needs to determine the optimum video and mouse settings for that particular computer The button will remind you to click by flashing red when it encounters a new computer screen Performing this step is important because it can help to decrease unnecessary video information being sent across the link thus improving overall performance Once this has been done providing you use the
43. be informed to transfer traffic requesting these port numbers through to the CPU IP When a web server is also on the local network Port 80 is the standard port used by web HTTP servers If the CPU IP is situated within a local network that also includes a web server or any other device serving port 80 then if you want to use the web browser interface from outside the local network environment the HTTP port number of the CPU IP must be changed When you change the HTTP port to anything other than 80 then each remote browser user will need to specify the port address as well as the IP address For instance if you set the HTTP port to 8000 and the IP address is 192 168 47 10 then browser users will need to enter http 192 168 47 10 8000 Note the single colon that separates the IP address and the port number The firewall router would also need to be informed to transfer all traffic to the new port number through to the CPU IP If you need to change the VNC port number If you change the VNC port to anything other than 5900 then each VNC viewer user will need to specify the port address as well as the IP address For instance if you set the VNC port to 11590 and the IP address is 192 168 47 10 then VNC viewer users will need to enter 192 168 47 10 11590 Note the double colons that separate the IP address and port number The firewall router would also need to be informed to transfer all traffic to the new
44. ce that links the local network to which the CPU IP is connected to another network such as the Internet Usually this is a network switch or router and it will be used whenever a device to be contacted lies outside the local network INSTALLATION A S 3 3 S Ra Z S OPERATION FURTHER INFORMATION 21 Operation Connecting to the CPU IP The CPU IP offers you three ways to connect e Local connection e Remote connection by network link e Remote connection by direct dial up modem or ISDN link and two types of viewer e VNC viewer e Standard web browser Local connection The keyboard video monitor and mouse connected directly to the CPU IP offer password protected access to the host computer s To make a local connection 1 Using the keyboard connected directly to the CPU IP press any key to exit the screensaver and display the logon prompt Username Password 2 Enter your username and password Providing you have the correct permissions the screen will display the currently selected host computer To view the local control menu 1 Press and hold the hotkeys usually and at then press e and finally release all three keys Note The cu and at keys when pressed in combination are called hotkeys and they signal to the CPU IP that you wish to control it rather than the host computer However if these particular hotkeys clash with another device or progra
45. connection dialog so that you can log on to a different CPU IP or VNC server location Connection Info About VNC Connection Info Options OPERATION Ise INSTALLATION E Displays the full range of connection options see Desktop Name Appendix 2 for more details Host 192 168 0 3 Size 640x508 Pixel Format depth 15 16bpp little endian rgb555 Server Default depth 15 16bpp big endian rgb555 Save options Allows you to save the current VNC connection options for USE during the next session Line Speed Estimate 1799 kbits s Protocol Version IA FURTHER Connection info Displays various connection and display details Z S S S g z About Displays information about your VNC viewer About VNC Viewer for Windows VNC Viewer for Win32 ZS Built on Sep 4 2003 at 14 52 54 Z Copyright Real NC Ltd 2002 2003 See http www realvnc com for more information on VNC 42 Encoding and colour level Appendix 4 Browser viewer options When you are connecting to the CPU IP using a Web browser a number of options are available E VNC Viewer Connection Details Ce Server 192 168 3 1 0 Encryption Let Server Choose Default ODptions OK Cancel faring Applet Window Click here to access the options There is a single page of options E VNC Viewer Connection Options MER Encoding and Colour Level Auto select When
46. d option Modem Configuration e Unit configuration e Network configuration Reset Configuration e Modem configuration Back e Reset configuration LINDY INSTALLATION CONFIGURATION z S E S a FURTHER INFORMATION 33 Unit configuration This page provides access to a selection of both basic and fundamental settings for the CPU IP Hardware Rev 1 Firmware Version 1 11b1 Keybd Layout UK Admin Passwd Unit Name Ctrl Alt 10 mins Hot Keys Screensaver Time Sch A e Date 15 Apr 2004 Encryption Prefer Off Save Cancel Keybd layout Use the arrow buttons to match the keyboard layout expected by the host system Admin password Enter the password that will be used to gain administrator access to the CPU IP There can only be one admin user and only that user is given access to the configuration menus The admin password background will be red until a reasonably secure password has been entered although this is only advisory as any password or no password may be entered Unit name The name entered here will be displayed on the local menus and the remote VNC browser windows Hot keys Use the left and right arrow keys to select an appropriate hot key sequence for the locally connected keyboard This sequence is used in combination with other keypresses to access the on screen menus and to change between hosts The options are Ctrl Alt default Ctrl Shift Alt Shift Alt Gr
47. e button and then click OK in the subsequent pop up message Note If you find that this doesn t work you may need to perform a mouse calibration again Access mode shared private Up to five users can be simultaneously logged on four remote users plus one local user and during normal operation all are able to see the same view of the currently selected host If you need to perform a sensitive task that should not be viewed by other users you can change the access mode to Private This action blanks the viewer window for all other logged on users Note For the courtesy of other users this mode should be used sparingly The admin user has the ability to overrule the private setting SR Shorea EN To change the access mode 1 Click one of the arrow buttons adjacent to the Shared Private indicator Power control When configured and where you have access rights this option allows you to control the mains power input to the currently selected host computer Note This option is generally used to power cycle remote systems that have failed to respond Before switching a system off ensure that all attempts have first been made to power it down through normal means To switch a system on or off 1 Use the Hosts button to select the required computer 2 Click the Power button and then select the Switch on 7e SESE or Switch off option as appropriate Switch Off LINDY OPERATION conncunsion INSTALLATION E FURTH
48. ee Appendix 7 for specification Connect one end to the socket marked OUT of the previous box and the other end to the socket marked IN of the next box 4 Set the addressing switches on each switch box using the micro switches according to the switch box manual 5 Connect IEC to IEC power leads between each port and the power input socket of each computer that requires power switching Carefully note to which power ports on which boxes each computer is connected If server systems have multiple power inputs then each input must be connected via separate ports which can be on the same or different boxes 6 Connect each box to a suitable mains power input Now proceed to the configuration stage covered in the Power switching configuration section within the Configuration chapter OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION LINDY Configuration C Initial configuration The initial configuration occurs as two distinct parts Part 1 Local configuration Part 2 Remote configuration E This part of the configuration takes place using the locally This part of the configuration takes place using a remote connection connected keyboard and video monitor It allows you to set up network or dial up modem ISDN It allows fine tuning of the part 1 z key basic details network essentials modem ISDN parameters configuration items plus the creation of multiple user accounts and and security
49. eful during normal use to allow quick local control of any connected host computers To connect a local keyboard video monitor and mouse 1 Position a suitable keyboard video monitor and mouse in the vicinity of the CPU IP such that their cables will easily reach 2 Connect the keyboard video monitor and mouse plugs to the sockets collectively labelled as KVM CONSOLE at the rear of the CPU IP From mouse From keyboard From video monitor IP network port The CPU IP provides an autosensing Ethernet IP port that can operate at 10 or 100Mbps according to the network speed The CPU IP is designed to reside quite easily at any part of your network e It can be placed within the local network behind any firewall router connections to the Internet or e It can be placed externally to the local network on a separate sub network or with an open Internet connection Wherever in the network the CPU IP is situated you will need to determine certain configuration issues such as address allocation and or firewall adjustment to allow correct operation Please refer to Networking issues within the Configuration chapter for more details IMPORTANT When the CPU IP is accessible from the public Internet or dial up connection you must ensure that sufficient security measures are employed To connect the IP network port 1 Depending upon where in the network the CPU IP is being connected run a category 5e or 6 cable from the appr
50. empower your browser on slow connections the application download can take several tens of seconds to complete Once complete a connection details dialog will be displayed E VNC Viewer Connection Details DER Server 192 169 3 1 0 O The previously entered CPU IP address will be shown here Encryption Let Server Choose Default About Options Q ol Cancel Warning Applet Window If required select the encryption mode MORE Options button Provides a range of viewer and connection settings MORE 4 Make any necessary option encryption changes and click the OK button to proceed Depending on the options selected you may need to confirm certain items A second connection attempt will be made and if successful an authentication dialog will be displayed EE VNC Authentication DER Username LI Password l Warning Applet Window 6 Enter your username and password The viewer window should now open and show the current host computer Note If the Username entry is blanked out then only admin user account is currently defined and only a password is required LINDY OPERATION conncunaion INSTALLATION E FURTHER INFORMATION Using the viewer window The viewer window gives you the ability to view and control the CPU IP and its host computer s Its operation is almost identical regardless of whether you used the VNC viewer or your Web browser to display it The men
51. en menus and to change between hosts The options are Ctrl Alt default Ctrl Shift Alt Shift Alt Gr Left Right Alt Left Ctrl Alt or Right Ctrl Alt Screensaver timeout Use the arrow keys to select an appropriate period of inactivity before a screensaver is displayed and the user is logged out This setting applies to local users only and once the screensaver is displayed for security purposes the user is required to log in again The timeout period can be selected between 5 minutes and 1 day 24 hours it cannot be disabled Time and date Use the arrow keys to select the correct time and date The time entry uses the 24 hour clock notation The internal real time clock will continue to run for roughly one week without power to the CPU IP after that it will be lost and require resetting Encryption Three options are available Always on prefer off prefer on The one to choose depends on the specific details of your installation see Encryption settings for details The use of encryption imposes a slight performance overhead of roughly 10 but is highly secure against third party intrusion LINDY OPERATION conncunsion INSTALLATION A FURTHER z S gt S Z INDEX 46 Advanced unit configuration LINDY Click this button to display several advanced options that do not normally a require alteration Force VNC protocol 3 3 IMPORTANT The use of this option is not recommended Protoc
52. en the CPU IP a and a connected power control unit The default setting is 9600 as used by the majority of power units The other communication settings are fixed as No parity 8 bit word 1 stop bit 50 Host configuration LINDY This page provides the opportunity to configure various details for each of the To create a new host entry host systems that may be connected to the CPU IP via one or more KVM switch 1 Click one of the 32 host entries to reveal a Host configuration dialog units There are 32 entries each of which can be configured with a name s the permitted users the hot key combinations required to switch to it and if SE A required appropriate power control commands EE mmm Hot Keys Power Control Sequence Logged on users admin Power On Host 1 16 Host 17 32 TONGE IDEE OK Cancel Email server Central server Name Print server Enter the name that will be displayed in the viewer window when you click the Host button Users Select the users that will be permitted to connect to this host Either enter to allow all users or a list of users separated by commas e g admin nigel andy steve Hot keys Declare the hot key sequence that will cause the KVM switch to link with the required host system The following notations are used means press down the following key means release the following key means add a 250 millisecond delay the entries are not sensitive to case
53. endix 8 Hotkey sequence codes These codes are used when defining hotkey switching sequences for host computers and allow you to include almost any of the special keys on the keyboard Main control keys Backspace Tab Return Enter Ctrl Alt Win Shift LShift RShift LCtrl RCtrl LAlt AltGr RAIt LWin RWin Menu Escape Esc Math operand keys Add Subtract Multiply Central control keys Insert Delete Home End PageUp PageDown Up Down Left Right Print ScrollLock Pause Keypad keys KP_Insert KP_Delete KP_Home KP_End KP_PageUp KP_PageDown KP_Up KP_Down KP_Left KP_Right KP_Enter KP_Add KP_Subtract KP_Divide KP_Multiply KP_O to KP_9 Function keys F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Codes with special meanings means press down the following key means release the following key means wait 250ms OPERATION Ise INSTALLATION FURTHER Z S z S e z INDEX 58 Other products in the CPU Switch range The following related LINDY CPU Switch items are available e Matrix CPU Switch Dual Junior 2 user 8 computer e Matrix CPU Switch Dual Junior 2 user 16 computer part number 32351 part number 32352 e Matrix CPU Switch Dual Pro 2 user 4 computer e Matrix CPU Switch Dual Pro 2 user 8 computer e Matrix CPU Switch Quad Pro 4 user 16 computer part number 32361 part number 32362 pa
54. ere v w x y is the IP network address for example 192 168 0 3 e If you have been asked to also enter a port number 3 Click the OK button Depending on the options selected you may need to confirm certain items A connection attempt will be made and if successful an authentication dialog will be displayed VNC Viewer Authentication V2 Usemame Cc Password Cancel 4 Enter your username and password The viewer window should now open and show the current host computer Note If the Username entry is blanked out then only admin user account is currently defined and only a password is required Remote connection by Web browser You can use a standard Web browser supported versions to gain access to the CPU IP and its host computer s As soon as you make contact with the CPU IP it will begin downloading a small Java application to your browser which will be used only for the duration of your connection To connect using your Web browser 1 Launch your standard Web browser as usual e If you are using a dial up link 2 In the Address section type the address of the CPU IP as follows http v w x y where v w x y is the IP network address for example 192 168 0 3 e If you have been asked to also enter a port number 3 Press cl A connection attempt will be made In the browser window select the Connect using built in Java VNC viewer option to download a small application that will temporarily
55. erial Or e Reset the configuration To invoke a configuration reset by main menu 1 Using the locally connected keyboard and screen log on as the admin user 2 Select the Configuration option Configuration gt Unit Configuration lt Network Configuration Modem Configuration Reset Configuration Back 3 Highlight the Reset configuration option and press dll _ A warning screen will be displayed select the RESET option and press cl Reset Config WARNING Continuing will cause your existing configuration to be erased The unit will then reset and require re configuring before it can be used gt RESET lt Cancel 4 The CPU IP will reset and then display the first of the four Part 2 Remote configuration The second part of the configuration requires you to log into the CPU IP from a system via either a network connection or a dial up connection via modem or ISDN In either case there are two types of access applications that you can use e The VNC viewer a small application supplied on the CD ROM or downloadable from the RealVNC website or even downloadable from the CPU IP itself or e A standard browser that supports Java As soon as a web browser makes contact the CPU IP downloads a Java application to it This allows a viewer window to be opened and operation to commence just as it would with the VNC viewer application User accounts Allows you to create and manage up t
56. ess is being used by the remote users e Check the network settings Check that the users network address has not been excluded in the IP access control section e f the CPU IP is situated behind a firewall check that the relevant ports are being allowed through the firewall and are being correctly routed e Check the front panel indicators the LNK indicator should be on If the network link is a 100Mbps connection the 100 indicator should also be on e Phone The remote cursor is not correctly responding to my mouse movements e Recalibrate the mouse When doing so ensure that the host system does not have mouse cursor trails enabled and that the top left corner of the screen is clear of application windows When logging on using VNC viewer cannot enter a username e Either the VNC viewer is an old version download a new one or only the admin user has been configured on the CPU IP Getting assistance If you are still experiencing problems after checking the list of solutions in the Troubleshooting section then we provide a number of other solutions If you are still experiencing problems after checking the list of solutions in the Troubleshooting section then we provide a number of other solutions in the UK in the US in Germany in France in Italy in Switzerland elsewhere in the UK in the US in Germany in France in Italy in Switzerland elsewhere in the UK in the US in
57. ess setting 3 Click the OK button To reorder access control entries IMPORTANT When reordering ensure that any specific allowed addresses are listed higher in the list than any denied addresses Take care not to invoke any deny access settings that would exclude valid users 1 In the access control list click on the entry to be moved 2 Click the Up or Down buttons as appropriate To edit remove access control entries 1 In the access control list click on the appropriate entry 2 Click either the Edit or Remove button as appropriate LINDY OPERATION conscunsnon INSTALLATION E FURTHER Z S z S S z INDEX 49 Serial port configuration LINDY This page provides all access to settings concerned with the two serial ports modem and power control that are situated at the rear of the CPU IP Modem port PPP server IP address PPP client IP address aaa ion users f adnia When a user dials into the CPU IP via a modem or ISDN adapter the CPU IP sets up a temporary two device network using PPP Point to Point Protocol For this purpose both devices must have dummy IP addresses so that they can Modem Port communicate correctly These two addresses can be almost anything expressed ere agers ere DEER in the quad octet format i e 192 168 3 1 However it is advisable not to make them the same as the real IP addresses used by either the remote system or the PPP Client IP Address 192 168
58. gh the on screen menu on the locally attached keyboard mouse and monitor Logged on users admin Hardware Version Rev 1 Firmware Version Version 1 4 Host Keyboard Layout Admin Password Unit Name oe GREEN fe Siete pi gt I DEE KEE E lt Prefer Off Advanced Unit Configuration Local Hot Key Sequence Screensaver Timeout Time And Date Encryption Unit Configuration Cancel Save Hardware Version Indicates the version of the electronic circuitry within the CPU IP unit Firmware Version Indicates the version of the hardwired software within the CPU IP s flash memory This may be updated using the flash upgrade procedure Host Keyboard Layout Use the arrow buttons to match the keyboard layout expected by the host system Admin password Enter the password that will be used to gain administrator access to the CPU IP There can only be one admin user and only that user is given access to the configuration menus To get here 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Click the Unit configuration option Unit name The name entered here will be displayed on the local menus and the remote VNC browser windows Local hot key sequence Use the arrow buttons to select an appropriate hot key sequence for the locally connected keyboard This sequence is used in combination with other keypresses to access the on scre
59. he end of the net mask indicate that the local part of the address is formed by only the last four bits If you use the diagram from the previous example and insert the new net mask it will have the following effect on the final result a o Decimal octet prior to AND 1 operation with net mask LO N LA oO 2o A N e LI E S G EE deg 253 253 255 240 ore 1 001 1 01 0 o Binary equivalent of 154 Ka dr Inside a bit wise AND function When you open up the last octet of the net mask and look at the binary inside you can see the last four zero bits preventing any 1 s in the address from falling through 1 001 0000 o Binary octet after AND operation with net mask e 1 A Tn equivalent of 10010000 a kad Thus when 154 is bit wise ANDed with 240 the result is 144 Likewise any local address from 192 168 142 144 through to 192 168 142 159 would produce exactly the same result when combined with this net mask hence they would all be local addresses However any difference in the upper three octets or the upper four bits of the last octet would slip through the mask and the address would be flagged as not being local LINDY OPERATION conscunsnon INSTALLATION E FURTHER Z S z S e z INDEX 54 Calculating the mask for IP access control LINDY The IP access control function uses a standard IP address and a net mask The permissible mask
60. hese entries could then use smaller ranges of differing sizes that when combined with the other entries cover the range that you require For instance to accurately encompass the range in the earlier example 192 168 142 67 to 192 168 142 93 You would need to define the following six address and mask combinations in the IP access control section Address ranges Although you can define ranges of addresses due to the way that the mask operates there are certain restrictions on the particular ranges that can be set For any given address you can encompass neighbouring addresses in blocks of either 2 4 8 16 32 64 128 etc and these must fall on particular boundaries For instance if you wanted to define the local address range 192 168 142 67 to 192 168 142 93 OPERATION conscunston INSTALLATION E Network address entry Mask entry The closest single block to cover the range would be the 32 addresses from 192 168 142 64 to 192 168 142 95 The mask needed to accomplish this would be 255 255 255 224 When you look at the mask in binary the picture becomes a little clearer The above mask has the form 11111111 11111111 11111111 11100000 Ignoring the initial three octets the final six zeroes of the mask would ensure that the 32 addresses from 64 01000000 to 95 01011111 would all be treated in the same manner See Net masks the binary explanation for details When defining a mask the important rule to remembe
61. hey match the destination is local If not then the sender will still use the same full destination IP address but will also flag the message to go via the local network gateway and out into the wider world The reason for doing this It makes the network as a whole much more efficient If every message for every recipient was shoved straight out onto the Internet the whole thing would grind to a halt within seconds Net masks keep local traffic just that local Want to know more LINDY OPERATION Jonas INSTALLATION E FURTHER z S gt S e Z INDEX 53 Net masks the binary explanation To really understand the operation of a net mask it is necessary to delve deeper into the life blood of computers binary this is native digital where everything is either a 1 one or O zero on or off yes or no The net mask operation described on the previous page is known as a bit wise AND function The example of 255 255 255 0 is handy because the last octet is completely zero and is clean for illustrative purposes However actual net mask calculations are carried out not on whole decimal numbers but bit by bit on binary numbers hence the term bit wise In a real local network a net mask might be 255 255 255 240 Such an example would no longer be quite so clear until you look at the net mask in its binary form 11111111 11111111 11111111 11110000 In this case the four zeroes at t
62. i circumstances computer s e PWR Power indicator w J What s in the box What you may additionally need Double unit rack brackets Includes twelve screws Part number 39404 S CPU IP Access Switch Plus Single unit rack brackets Includes four screws Part number 39403 CD ROM KVM cables One set per connected computer Part numbers 33711 33718 cable lengths available 1 2 3 5 10 15 or 20 metres Power supply and country specific power lead Four Self adhesive rubber feet OPERATION Ise INSTALLATION l Multi platform KVM converter cable Required to connect with computers that use a USB port to connect their keyboard and mouse Part number 42867 FURTHER INFORMATION PS 2 to AT style keyboard converter part number 70130 KVM cable set PS 2 to 9 pin serial mouse converter part number 70058 Installation Mounting The CPU IP offers three main mounting methods e Supplied four self adhesive rubber feet e Optional single unit rack brackets e Optional double unit rack brackets Single unit rack brackets These two brackets plus four screws extend the size of the CPU IP so that it fills the full width of a 1U rack slot Connections Double unit rack brackets This kit comprises four brackets plus twelve screws and allows two CPU IP units to be connected side by side and fitted into a 1U rack slot OPERATION CONFIGURA
63. ictable information is then used to emulate a two port network combined with several other connection and are suitable for most factors to develop the basis of the situations encryption keys that are used to establish secure remote links Controlling the local configuration menus Problems The local menus use only the keyboard Use the The CPU IP asks for an unknown admin password keyboard arrow keys to move the green highlight The CPU IP does not display the configuration sequence continued indicator to the required position Then either type the required information or use the left and right arrows to change multiple choice items as appropriate 11 To perform the initial local configuration 1 Edit the Unit config screen The key elements here are Hardware Rev 1 Firmware Version 1 4 Keybd Layout UK Admin Passwd Unit Name Hot Keys Screensaver Time Date Encryption Admin password Enter a password of at least six characters that has a mix of letters and numerals The background colour provides an indication of password suitability and is initially red to indicate that the password is not sufficient When a password with reasonable strength has been entered it changes to blue Time and Date Set these correctly as all entries in the activity log are time stamped using them Encryption Arrange this setting according to your security requirements See Encryption settings for a description of the issues and the
64. initial state Return To Host Access mode Allows you to choose between Shared mode where all other logged on users can see your operations and Private mode where the screens of all other users are blanked Host Indicates the currently selected host computer and allows you to select others This item will be blank unless host details have been set within the remote configuration Return to host Quits the menu and returns to the host screen Encryption settings The CPU IP offers a great deal of flexibility in its configuration and this extends equally to its encryption settings Due to the variety of situations in which it might be used and the range of viewer applications that need to view it a number of settings are available that might not make perfect sense at first glance However these settings should allow you to configure the CPU IP and the viewers to operate as required Factors to consider when setting these options might be e Do all of the connections and operations require encryption e Will some users be using older VNC viewer versions CPU IP encryption settings The CPU IP configuration page offers three encryption settings e Always on This setting will force all viewers to use encryption Note This setting will preclude any VNC viewer versions that do not support encryption e Prefer off This setting does not enforce encryption unless a viewer specifically requests it If a viewer has it
65. llations Send clipboard to server This feature is restricted to software server versions of VNC and has no effect on CPU IP installations Security 512 bits low security Selects the lowest level of encoding for communications between the browser and the CPU IP 1024 bits medium security Selects the middle level of encoding for communications between the browser and the CPU IP 2048 bits high security Selects the highest level of encoding for communications between the browser and the CPU IP Misc Shared don t disconnect other viewers This feature is restricted to software server versions of VNC and has no effect on CPU IP installations Render cursor locally This feature is restricted to software server versions of VNC and has no effect on CPU IP installations Fast CopyRect This feature is restricted to software server versions of VNC and has no effect on CPU IP installations LINDY OPERATION Ise INSTALLATION E FURTHER z z S 2 Z INDEX 43 Appendix 5 Remote configuration menus LINDY This section covers the configuration menus that are available to remote admin users using either the VNC viewer or the browser methods of access To access the remote configuration menus e Click the Configure button in the top right corner of the window when logged on as the admin user INSTALLATION Main configuration menu CONFIGURATION z S E 2 S Logged on user
66. lp with power switch addressing please contact LINDY support OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Performing a flash upgrade LINDY CPU IP is fully reconfigurable via flash upgrade To perform a flash upgrade 1 Using a remote connection log on as the admin user and access the Unit configuration page to determine the current firmware version of the CPU IP unit Please contact LINDY Support to get the latest firmware revision Power down the CPU IP unit At the rear of the unit adjacent to the power input socket click mini switch 1 to its ON down position Re apply power to the CPU IP On the locally connected monitor you should see a Maintenance menu To upgrade unit visit http 192 168 42 154 Es e Current network Configure Network addtess of the Reset Configuration CPU IP The Maintenance menu should display the current network address of the CPU IP e f the current network address is incorrect then select the Configure network option to change it Use the web browser not the VNC viewer on the previously used remote system connect to the network address shown in the local Maintenance menu Follow the on screen instructions to upload the firmware file previously obtained from LINDY to the CPU IP IMPORTANT Wait until the upgrade is complete When the upload is complete and confirmed on screen log off the remote system and then power down the CPU I
67. m then your administrator may change them to a different combination If the ol cl combination fails to work then please contact the system administrator for details Logoff Restore Mouse Functions Configuration Access Mode Shared Host Email server Return To Host The local control menu contains numerous options the most useful of which are e Access mode Allows you to select a Private mode in order to prevent other logged on users from viewing your actions on the host computer Use J and J to change between modes Note For the courtesy of other users this mode should be used sparingly The admin user has the ability to overrule the private setting e Host Where more than one host computer is available via the CPU IP this option allows you to easily switch between them Use SJ and s to change between host computers e Return to host Quits the control menu and displays the host computer screen LINDY INSTALLATION Z el 3 i i Ha Z Q OPERATION FURTHER INFORMATION 22 Local connection continued To avoid the hall of mirrors effect IMPORTANT Never configure a system so that your viewer is viewing itself When controlling a host computer using the locally connected keyboard video monitor and mouse it is possible to use the VNC viewer or a browser if the host computer is networked to create a remote link back to itself This will set up a hall of mirrors
68. n the top right corner 3 Click the Network configuration option IP address This is the identity of the CPU IP within a network The IP address can be thought of as the telephone number of the CPU IP Unlike the MAC address the IP address can be altered to suit the network to which it is connected It can either be entered manually or configured automatically using the DHCP option When the DHCP option is enabled this entry is greyed out IP network mask Also often called the subnet mask this value is used alongside the IP address to help define a smaller collection or subnet of devices on a network In this way a distinction is made between locally connected devices and ones that are reachable elsewhere such as on the wider Internet This process helps to reduce overall traffic on the network and hence speed up connections in general IP gateway This is the address of the device that links the local network to which the CPU IP is connected to another network such as the wider Internet Usually the actual gateway is a network switch or router and it will be used whenever a required address lies outside the current network VNC port This is the logical link through which communications with a remote VNC viewer will be channelled see What is a port The default setting is 5900 which is a widely recognised port number for use by VNC software However in certain circumstances it may be advantageous to alter this number see
69. nced radio TV technician for help FCC Compliance Statement United States This equipment generates uses and can radiate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a class A computing device in accordance with the specifications in Subpart J of part 15 of FCC rules which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the manufacturer could void the user s authority to operate the equipment Canadian Department of Communications RFI statement This equipment does not exceed the class A limits for radio noise emissions from digital apparatus set out in the radio interference regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le reglement sur le brouillage radio lectriques publi par le minist re des Communications du Canada LINDY OPERATION
70. ne system efficiently it is vital for you to know your location relative to the person you are calling In this way you avoid dialling unnecessary numbers When one network device needs to talk to another the first thing that it will do is a quick calculation using its own IP address the other device s IP address and its own net mask Suppose a device with address 192 168 142 154 and net mask 255 255 255 0 needed to communicate with a device at address 192 168 142 22 The sending device would perform several calculations Q Eng Destination Pa Si Net mask Soe e 192 168 142 000 Fesult KS 192 168 142 000 LO 2 168 142 22 vv VY 68 142 000 CO K d d LO N Se 192 168 142 000 Answer YES 4 Address is local 1 The net mask is used to determine the local and global parts of the sender s IP address Where there is 255 in the mask the corresponding address slips through where there is a O it is blocked 2 Where the net mask was 0 the corresponding part of the result is also zero this section is now known to be the local part of the IP address 3 The same process is carried out for the destination address again using the sender s net mask Now the local parts of both addresses have been equalised to zero because their values are not important in determining whether they are both in the same local network 4 The results of the two net mask operations are now compared if t
71. number in a Web browser 1 Enter the required IP address in the usual Address box i e http 192 168 0 3 2 At the end of the IP address add a single colon and then enter the port number in this example the required port number is 8000 i e http 192 168 0 3 8000 3 Continue with the standard Web browser instructions To enter a port number in VNC viewer 1 Enter the required IP address in the usual Server box i e http 192 168 0 3 2 At the end of the IP address add two colons and then enter the port number in this example the required port number is 115900 i e http 192 168 0 3 115900 3 Continue with the standard VNC viewer instructions LINDY OPERATION conncunsion INSTALLATION FURTHER INFORMATION Viewer encryption settings The web browser viewers and VNC viewers of level 4 0b5S or higher offer four encryption options The resulting actions of certain options depend upon how the CPU IP to which you are connecting is configured e Always on This setting will ensure that the link is encrypted regardless of the CPU IP encryption setting e Let server choose This setting will follow the configuration of the CPU IP If the CPU IP has a preference to encrypt the link then it will be so otherwise the link will not be encrypted e Prefer off This setting will configure an un encrypted link if the CPU IP will allow it otherwise it will be encrypted e Prefer on If the CPU IP allow
72. o sixteen separate user accounts each with separate access permissions Unit configuration Allows you to alter both basic and fundamental settings within the CPU IP Network configuration Here you can alter any of the existing network settings plus you can take advantage of the IP access control feature that lets you to specifically include or exclude certain addresses or networks Serial port configuration Lets you setup or alter the details concerning the modem and power control serial ports Host configuration Allows you to configure user access hot key switching and power control codes for up to 32 host systems that may be connected to the CPU IP via KVM switch units Shaded items signify options that are not available at the local configuration stage Logging and status Provides various details about the user activity on the CPU IP For more information about each menu option please see Appendix 5 Remote configuration menus in the Further information chapter To perform the remote configuration 1 Use either the VNC viewer or a standard web browser to make remote contact with the CPU IP see Connecting to the CPU IP for more details 2 If the username entry is not blanked out enter admin Then enter the password that was set during the local configuration stage if no password was set then just press ch Once logged in the CPU IP will show the video output from the host system
73. ol 3 3 is a legacy version that does not offer any encryption Idle timeout Determines the period of inactivity on a remote connection before the user is logged out The idle timeout period can be set to any time span expressed in minutes Note The Screensaver option serves a similar purpose for local connections INSTALLATION Protocol timeout Sets the time period by which responses should have been received to outgoing data packets If the stated period is exceeded then a connection is considered lost and terminated Background refresh rate Use the arrow keys to alter the refresh rate for screen images via remote links This allows you to tailor the screen refresh to suit the network or modem connection speeds The options are Slow Medium Fast or Disabled When the disabled option is selected the remote users will need to manually refresh the screen Note When a low connections speed is detected the background refresh is automatically disabled regardless of the settings of this option CONFIGURATION z S 2 S FURTHER INFORMATION To get here 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Click the Unit configuration option 4 Click the Advanced unit configuration option 47 Network configuration This page allows you to configure the various aspects of the IP port and its relationship
74. ompromise between screen response and the most suitable encoding method colour depth This option is suggested for the e Full This mode is suitable only for fast network connections and will pass majority of installations on the maximum colour depth being used by the host system e Medium 256 colours This mode reduces the host system output to a 256 colour mode and is more suitable for ISDN and fast modem Auto select Colour level Preferred encoding Full all available colours Medium 256 colours O Low 64 colours O Very low 8 colours Preferred encoding There are three manually selectable OPERATION Ise INSTALLATION E encoding methods which are connections accessible when the Auto select e Low 64 colours This mode is suitable for slower modem connections option is unticked and Mee the ue system output to 64 colours e ZRLE This is a highly compressed method that is best suited to slow e Very low 8 colours This mode provides very rudimentary picture Z modem connections quality and hardly any speed advantage over the 64 colour setting You are S e Hextile This method offers better performance than the ZRLE when used recommended not to use this mode z over a high speed network because there is no need for the CPU IP to spend SS time highly compressing the data Z e Raw This is a primitive uncompressed method that is mainly used for technical support issues You are
75. omputer that you are viewing This will allow you to see everything without scrolling around as described next How do I navigate around a larger screen If the screen that you are viewing has a larger resolution than your viewing window you will need to scroll around to see all items The viewer window allows you to bump scroll only in full screen mode This means that when your mouse cursor bumps against the edge of the screen the screen image will scroll across automatically How do escape from full screen mode Press the F8 button This button is changeable but is most often set to F8 Why is the gi button flashing red This happens when a new host screen is viewed that has not been viewed before Click the l button to perform an auto calibration for the screen and the mouse See Auto calibrate for important information about this feature How do I change between host computers The best way to change between host computers is to click the Hosts button and then select the required computer by name See Host selection How do I remove traces of moved items from the screen When you move an item or window across the screen sometimes it can leave unsightly trails These are called artifacts and can be particularly prevalent when the connection speed is low To remove artifacts click the Controls button and select the Refresh screen option See Controls How do I make the most of a slow connection The
76. onnections and you will notice that the remote cursor will catch up with the local cursor roughly once every second Menu key This feature allows you to select which function key is used to display the VNC viewer options menu The menu key is only way to exit from the full screen viewer mode Misc Shared connection do not dis connect other viewers This option does not apply to CPU IP connections VNC Viewer Options Colour Encoding Inputs Misc Identities Default es t nco ing nputs L gentities Sau dh O Full screen mode Full STEEN mode Render cursor locally When ticked the VNC viewer will launch in full screen mode Use the menu key usually F8 to exit from full screen mode Allow dynamic desktop resizing Beep when requested to by the server Render cursor locally This option does not currently apply to CPU IP connections Allow dynamic desktop resizing When ticked the viewer window will be automatically resized whenever the host system s screen resolution is altered Only use protocol version 3 3 This option does not apply to CPU IP connections Beep when requested to by the server When ticked your local system will beep in response to any error beeps emitted by the CPU IP IMPORTANT If you make any changes to the options given here and wish to retain them for successive connection sessions you must save the changes To do this change to the Defaults tab and click the
77. onsist of lower case characters or numbers only No symbols or upper case characters are permissible The user name can be between 1 and 16 characters in length Password Passwords are case sensitive and can include certain keyboard symbols The password can be between 1 and 16 characters in length It is important to note however that the password background remains shaded in amber while the CPU IP considers your entered password to be too easy to guess A suitable password is best constructed using a mixture of more than 6 letters numbers and punctuation characters Local When ticked the selected user can gain access using the local KVM console directly connected to the CPU IP Modem When ticked the selected user can gain access via a modem or ISDN link requires external modem ISDN equipment to be connected to the CPU IP Remote When ticked the selected user can gain access via an IP network link such as a local intranet or the wider Internet depending on how the CPU IP is connected Power When ticked the selected user will be permitted to control the power input to host systems requires optional power control switch unit s to be fitted LINDY OPERATION Ise INSTALLATION E FURTHER z S gt S e Z INDEX 45 Unit configuration This page provides access to a selection of both basic and fundamental settings for the CPU IP Many of the settings displayed here are also accessible throu
78. opriate hub or router to the CPU IP 2 Connect the plug of the category 5e or 6 cable into the IP port on the front panel of the CPU IP 3 Configure the network settings as appropriate to the position of the CPU IP within the network see Networking issues for details OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Modem ISDN port The CPU IP provides a serial port specifically for you to connect either a modem or ISDN terminal adapter This can be used as a primary secondary or backup access port for remote systems as best suits your overall configuration IMPORTANT When the CPU IP is accessible from the public Internet or dial up connection you must ensure that sufficient security measures are employed To connect a modem or ISDN port 1 If possible disconnect power from the CPU IP and the modem or ISDN adapter 2 Connect a suitable serial modem non crossover cable to the serial port on the modem ISDN adapter 3 Connect the other end of the serial cable to the port labelled COM1 at the rear of the CPU IP Note The default serial port speed is 115200K and a standard Hayes compatible auto answer string is sent during startup The default startup string is ATZHSO 1 Both the serial port speed and startup string settings can easily be altered during the local or remote configuration see Initial configuration for more details The other serial settings are fixed at No parity
79. or each relevant host computer For each power port there needs to be a valid Power ON string and similarly an appropriate Power OFF string In each case the strings are a short sequence of characters that combine a box address a port number a power on or off value and finally a checksum number so that the power unit can guard against data errors If a particular computer has more than one power input and thus requires an equivalent number of power ports to control them collections of strings can be combined to switch all of the required ports together as a group To configure the power sequences for each host computer 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Click the Host configuration option 4 Click one of the 32 host entry slots to display a Host configuration dialog Name en Users a Hot Keys PO Power Control Sequence Power On CT Power Off ooo OK 5 If necessary configure other parameters Name Users Hot Keys MORE 6 Enter the Power control sequences in the Power On and Power Off fields gt 7 Click OK to close the dialog and then click the Save button in the main Host Configuration window to store the details Power control sequences Note The settings given below are for the LINDY power switch other power switches may require different settings Please refer to your power switch documentation fo
80. order to maintain compliance with radio frequency energy emission regulations and ensure a suitably high level of immunity to electromagnetic disturbances All other interface cables used with this equipment must be shielded in order to maintain compliance with radio frequency energy emission regulations and ensure a Suitably high level of immunity to electromagnetic disturbances European EMC directive 89 336 EEC This equipment has been tested and found to comply with the limits for a class A computing device in accordance with the specifications in the European standard EN55022 These limits are designed to provide reasonable protection against harmful interference This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio or television reception However there is no guarantee that harmful interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment on and off the user is encouraged to correct the interference with one or more of the following measures a Reorient or relocate the receiving antenna b Increase the separation between the equipment and the receiver c Connect the equipment to an outlet on a circuit different from that to which the receiver is connected d Consult the supplier or an experie
81. ouse restoration 13 14 Mouse calibration 27 Mouse control 28 N Networking issues 17 Network configuration 35 48 Network port connecting 8 Net mask 21 35 explanation 53 oO Octets ip address 53 P Password admin setting 34 initial setup 12 remote logon 24 setting for users 45 unknown 15 Port number entering 30 Power control port 4 connecting 10 Power strings for switching 20 Power supply connecting 9 Power switching configuration 20 on amp off select 27 user permissions 45 PPP client IP address 50 PPP server IP address 50 Preferred encoding 39 Private access mode 27 R Rack mounting 6 Raw 39 43 Remote configuration 16 Remote connection 23 Reset to factory defaults 15 Reset configuration 37 Restore Defaults local setting 36 RJ10 connector 10 Router 17 S Safety information 59 Screen best resolution 25 navigation 25 Screensaver local setting 34 remote setting 46 Serial port modem connection 9 Serial port configuration 50 Server IP local setting 36 Setup procedure local setup 11 remote setup 16 Shared access mode 27 Slow connections optimising for 25 Supplied items 5 T Time local setting 34 remote setting 46 Troubleshooting 32 U Unit configuration 34 46 Unit name local setting 34 remote setting 46 Upgrade firmware 21 Username initial setup 13 remote logon 24 User accounts 45 Use DHCP local setting 21 35 V Video settings 29 Viewer window 25
82. ower to computer Box 2 port 6 address 26 Box 3 Box 4 1 m m e m e We le 0 The power ports are connected to the power inputs of each computer and the power switch box es are then connected to a mains power supply IMPORTANT Power switching devices have a maximum current rating It is essential to ensure that the total current drawn by the equipment connected to the power switching device does not exceed the current rating of the power switching device You must also ensure that the current drawn from any mains socket does not exceed the current rating of the mains socket Setting up configuring and using power switching requires three main steps e Connect and address the switch boxes gt e Configure the power strings e Operate remote power switching To connect and address the switch boxes Note The CPU IP can be powered on during this procedure however the switch boxes should be switched off 1 Mount up to four switch boxes in positions where they are close to the computers that they will control and not too distant from the CPU IP preferably within 2 5 metres 2 Use a serial cable with an RJ10 and a 9 pin D type connector see Appendix 7 for specification Connect the RJ10 plug to the socket marked IN on the first switch box Connect the other end to the socket marked COM2 on the CPU IP 3 For each of the remaining switch boxes if used use a serial cable with RJ10 connectors at both ends s
83. ppropriately configured e Avoid accessing the CPU IP from public computers Security can be further improved by using the following suggestions e Use a KVM switch with On Screen Display driven security access and an auto logout after inactivity feature to provide a second level of security Place the CPU IP behind a firewall and use port the numbers to route the VNC network traffic to an internal IP address e Review the activity log from time to time to check for unauthorized use e Lock your server consoles after they have been used A security white paper that gives further details is available upon request from LINDY Ports In this configuration there should be no constraints on the port numbers because the CPU IP will probably be the only device at that IP address Therefore maintain the HTTP port as 80 and the VNC port as 5900 Addressing When the CPU IP is situated alongside the firewall it will require a public static IP address i e one provided by your Internet service provider More addressing information Discover DHCP allocated addresses DNS addressing OPERATION CONFIGURATION INSTALLATION FURTHER INFORMATION Power switching configuration Power switch configuration comprises two main steps e Configure the COM2 serial port to the same speed as used by the power switch box es see Serial port configuration for details e Configure power ON and OFF strings f
84. r details about codes required by other power switches The structure of each power sequence OFF and ON is as follows Wow Where w is the switch box address first box is 80 second box is 81 etc x is 31 for ON or 32 for OFF y is the power port number from 1 to 8 or 9 to switch all ports z is a checksum value calculate this using the other values subtract 80H from the switch box address and then perform an exclusive OR function between this and the other two values Note All values are expressed in hexadecimal Thus for the first switch box the codes that you would use in the Power On and Power Off fields would be as follows Port s Power On Power Off 1 80 3 1 01 30 80 32 01 33 2 80 3 1 02 33 80 32 02 30 3 80 3 1 03 32 80 32 03 31 4 80 31 04 35 80 32 04 36 5 80 3 1 05 34 80 32 05 37 6 80 3 1 06 37 80 32 06 34 7 80 3 1 07 36 80 32 07 35 8 80 3 1 08 39 80 32 08 3A All 80 3 1 09 38 80 32 09 3B For details about operating this feature see Power control within the Operation chapter To control two ports simultaneously You can control two power ports using a single sequence This is done using the same command structure as shown above plus a delay command Immediately following a port command insert the characters before the next command For instance to switch on ports 1 and 2 in the first power switch the command line would be 80 3 1 01 30 80 3 1 02 33 For more he
85. r is There must be no ones to the right of a zero For instance ignoring the first three octets you could not use a mask that had 11100110 because this would affect intermittent addresses within a range in an impractical manner The same rule applies across the octets For example if you have zeroes in the third octet then all of the fourth octet must be zeroes 192 168 142 67 192 168 142 68 192 168 142 72 192 168 142 80 192 168 142 88 192 168 142 93 255 255 255 255 255 255 255 252 255 255 255 248 255 255 255 248 255 255 255 252 255 255 255 255 defines 1 address 67 defines 4 addresses 68 to 71 defines 8 addresses 72 to 79 defines 8 addresses 80 to 87 defines 4 addresses 88 to 92 defines 1 address 93 FURTHER Z S z S S z INDEX 55 Ports If you accept the analogy of IP addresses being rather like telephone numbers then think of ports as extension numbers In a company of any size you generally wouldn t expect the accounts department to share the same telephone with the technical department Although their calls may all be related to the same company they concern very different aspects of that company It is the same with IP network connections Although you have only one network link into your computer and only one IP address phone number you are probably performing many different tasks through that one link often at the same time Thus when you brow
86. r window Threshold xf 8 gt Auto Phase SI jauto Horizontal Position lt 263 gt Auto lt 29 2 Auto Colour Brightness amp Contrast Auto Calibrate All Display Activity 0 Vertical Position Cancel Save Calibrate all Click to determine the optimum settings for all aspects of video the video connection from the host system Colour brightness amp contrast Provides an automatic setting button to optimise these three important video constituents for the current host and connection speed Threshold The threshold is effectively a noise filter that differentiates between valid video signals and background noise or inteference This has the effect of reducing unnecessary video signals between the CPU IP and the remote system thus improving performance Display activity Indicates the level of video activity currently in progress All settings can be individually subjected to an auto configuration click the appropriate Auto button and most can also be manually adjusted Use the Calibrate all button to automatically determine the optimum settings for all items Note Before using the Calibrate all option ensure that there are no on screen display elements generated by any connected KVM switch such as a host name label or menu Due to the differing video rates of these items compared to the video image from the host itself this can confuse the
87. recommended not to use this method INDEX 39 Inputs Send pointer events to server When un ticked the VNC viewer will not send mouse movement or click data to the CPU IP or host system VNC Viewer Options Colour Encoding Inputs Misc Identities Defaults eee Send pointer events to server Send keyboard events to server Send clipboard changes to server Send keyboard events to server When un ticked the VNC viewer will not send keyboard information to the CPU IP or host system Accept clipboard changes from server C Enable 3 button mouse emulation C Rate limit mouse move events Menu key ES Send clipboard changes to server This feature is restricted to software server versions of VNC and has no effect on CPU IP installations Accept clipboard changes from server This feature is restricted to software server versions of VNC and has no effect on CPU IP installations except for retreiving the activity log as desribed in the logging and status section Enable 3 button mouse emulation This feature allows you to use a 2 button mouse to emulate the middle button of a 3 button mouse When enabled press the left and right mouse buttons simultaneously to create a middle button action You are advised to generally use a 3 button mouse Rate limit mouse move events When ticked this feature reduces the mouse movement information that is sent to the CPU IP and host system This is useful for slow c
88. rt number 32364 e Extender Junior remote unit part number 32391 e Extender Plus remote unit part number 32396 e Extender Pro remote unit part number 32392 e C5 Extender Junior remote unit part number 39391 Warranty LINDY warrants that this product shall be free from defects in workmanship and materials for a period of three years from the date of original purchase If the product should fail to operate correctly in normal use during the warranty period LINDY will replace or repair it free of charge Any faulty items are to be returned to LINDY at the owner s expense No liability can be accepted for damage due to misuse or circumstances outside LINDY s control Also LINDY will not be responsible for any loss damage or injury arising directly or indirectly from the use of this product LINDY s total liability under the terms of this warranty shall in all circumstances be limited to the replacement value of this product This warranty goes on top of any applicable legal regulation and does not limit any customer rights compared to the legal regulations Safety information e For use in dry oil free indoor environments only e Warning live parts contained within power adapter e No user serviceable parts within power adapter do not dismantle e Plug the power adapter into a socket outlet close to the module that it is powering Replace the power adapter with a manufacturer approved type only e Do not use
89. s Let server choose setting then an un encrypted link will be set up e Prefer on This setting generally enforces encryption unless an earlier viewer version is unable to support it in which case the link will be un encrypted If a viewer has its Let server choose setting then the link will be encrypted Viewer encryption settings The web browser viewers and VNC viewers of level 4 0b5S or higher offer four encryption settings e Always on This setting will ensure that the link is encrypted regardless of the CPU IP encryption setting e Let server choose This setting will follow the configuration of the CPU IP If the CPU IP has Always on or Prefer on set then the link will be encrypted If the Prefer off setting is selected at the CPU IP then the link will not be encrypted e Prefer off This setting will configure an un encrypted link if the CPU IP will allow it otherwise it will be encrypted e Prefer on If the CPU IP allows it this setting will configure an encrypted link otherwise it will be un encrypted LINDY INSTALLATION CONFIGURATION N OPERATION FURTHER INFORMATIO SS Hot plugging and mouse restoration It is strongly recommended that you switch off a host computer before attempting to connect it to the CPU IP However if this is not possible then you need to hot plug the computer while it is still running There is not normally a danger of dam
90. s Indicates the current users irrespective of whether they are connected locally by modem ISDN or via a network Click the required option e User accounts e Unit configuration e Network configuration e Serial port configuration e Host configuration e Logging and status FURTHER INFORMATION 44 User accounts This section allows you to manage up to sixteen separate accounts The first of the sixteen accounts is the admin account and is the only account with access rights to the configuration menus The user name and access rights are fixed for the admin account the only change possible for this account is the password There are fifteen user account positions Logged on users admin User Name Password Local admin Pen e Modem d C C a 4 et et a et Si et a at E SI E i ye a a Ta a fae e e AE User Configuration To create a new account 1 Enter the required User Name to activate that position the Password and access tick box positions will become editable 2 Optionally enter a password for the user account 3 Tick untick the Local Modem Remote and Power options that are appropriate to the user 4 Click the Save button to register your changes To get here 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Click the User accounts option User Name All user names must c
91. s it this setting will configure an encrypted link otherwise it will be un encrypted Whenever encryption does take place the viewer will first need to create the necessary secure key before the connection process can continue Supported web browsers The following web browsers have been tested and found to work correctly with CPU IP Windows e Internet Explorer 5 50 and above with Microsoft Java Virtual Machine release 5 50 with Java Runtime Environment 1 3 or above Linux e Netscape 4 61 and above with Java Runtime Environment 1 1 or above e Opera with Java Runtime Environment 1 1 or above LINDY OPERATION conncunsion INSTALLATION E FURTHER INFORMATION Further information This chapter contains a variety of information including the following e Troubleshooting see below e Getting assistance see right e Appendices e Appendix 1 Local configuration menus e Appendix 2 VNC viewer connection options e Appendix 3 VNC viewer window options e Appendix 4 Browser viewer options files e Appendix 5 Remote configuration menus e Appendix 6 Addresses masks and ports e Appendix 7 Cable specifications e Appendix 8 Hotkey sequence codes e Safety information e Warranty e End user licence agreement e Radio frequency energy statements e Email e Fax Troubleshooting Remote network users are unable to contact the CPU IP e Check that the correct addr
92. se the web your outgoing requests and the incoming information are all channelled through port 80 When you send an email it travels through port 25 and when you transfer files you are without knowing it using port 20 At the border crossing between the wider Internet and every local network attached to it there is a router that is usually combined with a firewall One of its main tasks is to direct incoming traffic to the correct place within its local network A key piece of information to help it do this is the port number User with VNC viewer accesses IP address 129 7 1 10 this automatically uses port 5900 User accesses the company website at 129 7 1 10 this automatically uses port 80 Router firewall address 129 7 1 10 Router is programmed to send port 5900 VNC traffic to local address 192 168 0 3 and port 80 web traffic to local address 192 168 0 42 TE Web server CPU IP has the local IP address 192 168 0 3 Web server has the local IP address 192 168 0 42 Security issues with ports The settings of port numbers become important when the CPU IP is situated behind a network firewall In order for a remote VNC viewer or web browser to make contact with your CPU IP it is necessary for the firewall to allow communication through a particular numbered port to occur One specific function of firewalls is to restrict access to ports in order to prevent malicious attackers using them as a route into your
93. settings When all items are correct select the Save option to display the next screen 2 Edit the Network config screen The key elements here are MAC Address 00 0F 58 00 00 04 Use DHCP IP Address Net Mask Gateway VNC Port HTTP Port Use DHCP IP address Net Mask Gateway You need to either set the DHCP option to Yes or manually enter a valid IP address Net mask and Gateway See Networking issues for more details VNC and HTTP ports These should remain set to 5900 and 80 respectively unless they clash with an existing setup within the network See Networking issues for more details When all items are correct select the Save option to display the next screen 3 If necessary edit the Modem config screen Server IP Client IP Baud Rate Init String The default items here are perfectly adequate for the majority of modem and ISDN terminal adapter installations The Server IP and Client IP addresses are used to form an isolated two device PPP network connection via the dial up link Their settings are not related to any other real network settings within the CPU IP When all items are correct select the Save option to display the next screen 4 Move the mouse and enter changing key sequences within this screen Random data is required to generate encryption keys for secure VNC access Please move the mouse or press keys until the bar becomes full E Geer With every mouse
94. t Access Switch Plus Gs IP network Internet The IP port allows direct connection to an Ethernet based local network and from there onto the wider Internet as required Alternatively the robust CPU IP security system will allow direct connection to the outside world Main KVM connection a OR REKA Optional power control CPU IP provides the opportunity to attach one or more power switches These control the supply to the host system s and allow the remote user to hard reset any system that has suffered a failure KVM switch One host or many On its own the CPU IP provides remote access to one host computer system However when linked to a suitable KVM switch the remote user s can easily control a multitude of systems OPERATION Ise INSTALLATION FURTHER INFORMATION CPU IP Access Switch Plus features front and rear Considering its capabilities the CPU IP is supplied within a remarkably compact casing Measuring just 198mm x 120mm x 43mm it occupies just half of a single 1U rack space and provides most of its connectors at the rear face The smart front face features the IP network port and the operation indicators Power control port Modem port Optionally use this port Optionally use this port to IP network port Power input to control one or more attach either a standard This intelligent Ethernet Connect power switches These modem or an ISDN adapter port can a
95. th extreme caution as it is possible to deny access to everyone If such an error occurs see Clear IP access control for details about how to regain access IP Access Control Add Remove Up Down Edit 0 SI 0 0 0 0 0 0 0 0 In the list access control addresses prefixed by are allow entries while those prefixed by are deny entries To get here 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Click the Network configuration option To define a new IP access control entry 1 Click the Add button to display a popup dialog Host IP Address Filter Netuork Address Mask Access lt Allow B E Network Address Mask Access Enter the network address Enter an IP network mask Use the arrow buttons to that is to be allowed or denied that indicates the range of select either Allow or access If a range of addresses addresses that are to be Deny as appropriate is being specified then specify allowed or denied access any one of the addresses For instance if only a single within the range and use the specified IP address were to be Mask entry to indicate the size required the mask entry would of the range be 255 255 255 255 in order to specify a single location See Calculating the mask for IP access control for details 2 Enter the base network address the mask and select the appropriate acc
96. the power adapter if the power adapter case becomes damaged cracked or broken or if you suspect that it is not operating properly e H you use a power extension cord with the CPU IP make sure the total ampere rating of the devices plugged into the extension cord does not exceed the cord s ampere rating Also make sure that the total ampere rating of all the devices plugged into the wall outlet does not exceed the wall outlet s ampere rating e Do not attempt to service the CPU IP yourself Safety considerations when using power switches with CPU IP e Follow the manufacturer s instructions when setting up and using power switching products e Always ensure that the total ampere rating of the devices plugged into the power switching product does not exceed the power switching product s ampere rating Also make sure that the total ampere rating of all the devices plugged into the wall outlet does not exceed the wall outlet s ampere rating General Public License Linux The CPU IP runs an embedded version of the Linux operating system licensed under the GNU General Public License To obtain the source code for the open source components of the system visit http www realvnc com products CPUIP gpl html LINDY OPERATION conscunsnon INSTALLATION E FURTHER Z S z S S z INDEX 59 Radio Frequency Energy A Category 5 or better twisted pair cable must be used to connect the CPU IP units in
97. tion key 12 F Firewall 17 Firmware current version 46 upgrade 21 Flash upgrade 21 Force encryption 34 Full screen mode escape from F8 25 G Gateway local setting 21 35 remote setting 48 H Hextile 39 43 Hosts changing between 25 Host computer connecting 7 power switching setup 20 Host configuration 51 Host selection 26 Hotkeys to access menus 33 Hot keys changing 34 remote setting 46 HTTP port initial setup 12 local setting 35 remote setting 48 when altered 17 IEC power lead 9 Indicators 4 Initialise button 50 Initialize port local setting 36 Initial configuration 11 Init string local setting 36 IntelliMouse 14 IP access control 48 49 calculating mask 55 IP address explanation 53 local setting 21 35 remote setting 48 IP gateway 48 IP network mask 48 IP network port 4 connecting 8 ISDN connecting 9 dial up link 30 K Keyboard codes sending 28 Keyboard Layout remote setting 46 Keyboard layout local setting 34 KVM console 4 KVM switch connecting 7 L Local connection 22 local control menus 33 Local network connection 17 Logging 52 Log on 24 M MAC address 35 48 Mask explanation 53 for IP access control 55 Menus local 33 remote 44 Menu bar viewer window 25 Menu key changing 40 Modem connecting 9 dial up link 30 Modem configuration 36 Modem port 4 Mounting 6 LINDY OPERATION conscunsnon INSTALLATION E FURTHER INFORMATION INDEX M
98. ts e 0044 connects from another country to the UK e 0 1642 selects the main telephone exchange in the Thornaby area of Stockton on Tees and e 754000 is the unique code for LINDY within Thornaby The important parts of the whole number depend on where you are If you were based in the same local area as LINDY there would be no point in dialling out of the UK or even out of the area The only part of the whole number that you are interested in is the final part 754000 In a similar way to the various parts of the telephone number the four sections or Octets of every IP address have different meanings or weights Consider the following typical IP address 192 168 142 154 192 is the most global part of the number akin to the 0044 of the phone number and 154 is the most local similar to the 754000 unique local code of the phone number When two network devices communicate with each other they always dial the whole number regardless of their respective locations in a network However they still need to know whether the other device is local to them or not and this is where the net mask comes into play Net masks The net mask or sub net mask informs a device as to its own position within a network From this it can determine whether any other device is within the same local network or is situated further afield Taking the telephone number analogy given in the IP address section in order to use the telepho
99. u bar The viewer window presents a menu bar similar to that shown below Certain items within the toolbar are displayed depending upon your access permissions and or the CPU IP configuration Viewer options Controls Power Dialogue area VNC viewer only Displays a menu of Click to access the Indicates your username Click the VNC options concerning power on off options and the host system that icon to view the keyboard video and for the current host you are currently viewing viewer window mouse operation computer This area can also display options other messages Power DI Shared gt admin Server 1 Fk Controls Conf igure Re sync mouse Auto calibrate Hosts Access mode Ensures that the Determines the Click to display Allows you Configure This option is only mouse pointer optimum video and alist of hosts to choose available to the which you move mouse settings for the Choose an between admin user and and the mouse currently selected host entry to Shared and provides access pointer on the computer This button connect to Private access to the main host system will flash red when that host modes configuration are correctly a new host screen is computer menus encountered Click this button when you first visit a new screen synchronised When using the viewer window What is the best screen resolution to use The best resolution for your computer is one that is larger than the screen of the host c
100. use type to Cancel choose Keyboard control This option displays a keyboard control dialog and is useful for sending keyboard combinations to the host that are needed regularly or that are trapped by the CPU IP Altabo Sen geb S Be thecode Send Send Ir y O Send iY Send eC Send Close When entering codes means press and hold down the named key means release the named key It is automatically assumed that all keys specified will be released at the end so there is need to specify Ctrl or Alt if these keys are to be released together See Appendix 8 for a list of key sequence codes that can be used Examples Ctrl Alt 12 would be expressed as Ctrl Alt 1 142 N means press the N key Scroll means press the Scroll lock key Space means press the space key Video settings see next page LINDY OPERATION conncunaion INSTALLATION i FURTHER INFORMATION 28 Video settings This dialog provides access to all of the key video settings that determine image quality and link performance Phase The phase setting adjusts the alignment of the host video output and the remote system video display to achieve the sharpest image Horizontal position Determines the horizontal position of the host screen image within the viewer window Vertical position Determines the vertical position of the host screen image within the viewe
101. utomatically the supplied allow the remote user to This feature provides an sense whether it is power take full control of the alternative direct dial remote attached to a 10Mb or adapter here host system s link into the CPU IP 100Mb network COM2 INDOOR USE ONLY A CONTROL S SL ej el Ei i gt AY Access Switch Plus a CJ Ai ol Do OPERATION Ise INSTALLATION D BZ RS 1D KVM CONSOLE COMPUTER KVM SWITCH Z D e EN EE F EI ER Indicators Configuration KVM console Computer KVM Switch Z These six indicators clearly show the key aspects of operation switches Connect a keyboard video Link these connectors to the e LOC Keyboard or mouse data is being received from the local console Used for flash monitor and a mouse to these keyboard video and mouse ports of e REM Keyboard data ie bal wed f 8 upgrades and three connectors These allow the device to be remotely controlled eyDoard Or Mouse Cala D ng recEIed om a remole viewer total reset you to perform the initial either a single computer or a KVM e WNC Indicates that a remote viewer is connected and active functions They configuration of the CPU IP switch The USB port on the right v e 100 Indicates the Ethernet network speed 10 100Mbs are not required Additionally you can use these is for future expansion and is not ZS e LNK Network link and activity indication under normal to locally control the connected currently used Z
102. vantageous to alter this number see Security issues with ports for more details Note The VNC port and HTTP port can be set to the same port number in order to simplify router and firewall configuration If this is done then the CPU IP will listen for both types of traffic on the single port HTTP port This is the logical link through which communications with a remote web browser will be channelled The default setting of 80 is an established standard for web HTTP HyperText Transfer Protocol traffic though this can be changed to suit your local network requirements Clear IP access control This option removes all entries from the IP access control feature within the CPU IP The IP access control feature configurable by a remote admin user allows certain network address ranges to be denied access to the CPU IP If set incorrectly it is possible to exclude all network users and so this option provides an emergency recovery point LINDY OPERATION Ise INSTALLATION E FURTHER Z S S S g z INDEX 35 Modem configuration This page allows you to configure the COM1 serial port located at the rear of the CPU IP 192 168 3 1 192 168 3 2 Server IP Client IP Baud Rate 11200 Init String ATZHSO 1 Initialize Port Restore Defaults Cancel Server IP Client IP When a user dials into the CPU IP via a modem or ISDN adapter the CPU IP sets up a temporary two device network using PPP
103. with the local network Logged on users admin MAC address Use DHCP 192 168 0 3 255 255 255 0 192 168 0 1 00 OF 58 00 00 03 IP Address IP Network Mask IP Gateway UNC Port 5900 HTTP Port 80 Add Remove Up Down Edit 0 0 0 0 0 0 0 0 g E IP Access Control Network Configuration Cancel MAC address Media Access Control address this is the unique and unchangeable code that was hard coded within your CPU IP unit when it was built It consists of six 2 digit hexadecimal base 16 numbers separated by colons A section of the MAC address identifies the manufacturer while the remainder is effectively the unique electronic serial number of your particular unit Use DHCP DHCP is an acronym for Dynamic Host Configuration Protocol Its function is particularly useful when connecting to medium size or larger networks such as the Internet When this option is selected your CPU IP will attempt to locate a DHCP server on the network If such a server is located it will supply three things to the CPU IP an IP address an IP network mask also known as a Subnet mask and a Gateway address These are not usually granted permanently but on a lease basis for a fixed amount of time or for as long as the CPU IP remains connected and switched on Discover allocations To get here 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button i
104. work The IP address can be thought of as the telephone number of the CPU IP Unlike the MAC address the IP address can be altered to suit the network to which it is connected It can either be entered manually or configured automatically using the DHCP option When the DHCP option is enabled this entry is greyed out Net mask Also often called the subnet mask this value is used alongside the IP address to help define a smaller collection or subnet of devices on a network In this way a distinction is made between locally connected devices and ones that are reachable elsewhere such as on the wider Internet This process helps to reduce overall traffic on the network and hence speed up connections in general To get here 1 Use the local keyboard and log on as the admin user 2 Press on hotkeys may be different 3 Select Configuration 4 Select Network configuration Gateway This is the address of the device that links the local network to which the CPU IP is connected to another network such as the Internet Usually this is a network switch or router and it will be used whenever a device to be contacted lies outside the local network VNC port This is the logical link through which communications with a remote VNC viewer will be channelled see What is a port The default setting is 5900 which is a widely recognised port number for use by VNC software However in certain circumstances it may be ad

Lindy CPU IP Access Switch Plus User's Manual

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