CPU IP Access Switch Plus User Guide IP Access Switch Plus LOC REM VNC 100 LNK PWR
Configuration Initial configuration ..................................................................11 Part 1 – Local configuration .................................................11 Encryption settings...........................................................13 Hot plugging and mouse restoration .............................14 Resetting the configuration ...........................................15 Part 2 – Remote configuration.............................................16 Networking issues ........
Appendix 5 - Remote configuration menus.............................44 User accounts ........................................................................45 Unit configuration ................................................................46 Advanced unit configuration ..........................................47 Network configuration.........................................................48 Setting IP access control.................................................
Modem or ISDN 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. IP Access Switch Plus LOC REM VNC 100 LNK PWR Main KVM connection Power switch OR KVM switch One host or many On its own, the CPU IP provides remote access to one host computer system.
CPU IP Access Switch Plus features - front and rear IP Access Switch Plus COM2 POWER CONTROL COM1 INDOOR USE ONLY MODEM 5V LOC REM VNC 100 LNK PWR Power input Connect the supplied power adapter here. Modem port Optionally use this port to attach either a standard modem or an ISDN adapter. This feature provides an alternative, direct-dial, remote link into the CPU IP.
What’s in the box What you may additionally need Sw i tch IP Plu s 100 LN KP WR LO CR EM VN C 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) Four Self-adhesive rubber feet Power supply and countryspecific power lead Multi-platform KVM converter cable Required to connect with computers that use a USB port to connect their keyboa
Mounting The CPU IP offers three main mounting methods: • Supplied four self-adhesive rubber feet • Optional single unit rack brackets • 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 5V 2.
Monitor (video) Blue Keyboard Purple Mouse or Mid green 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).
2A 1 ON 2 To connect the IP network port 1 Depending upon where in the network the CPU IP is being connected, run a Ac category 5e or 6 cable from the appropriate hub or router to the CPU IP. ce s s 2 Connect the plug of the category 5e or 6 cable into the IP port on the front Sw itcof the CPU IP.
Power supply connection 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.
IN 1 2 3 LOC REM VNC 100 LNK PWR 4 5 6 7 5V 2.5 A 8 1 ON 2 CO M2 P COOWE NT R RO L OUT IND OO Box 2 IN 1 2 3 4 5 6 7 KV MC 8 OUT Power to computer Box 2, port 6 - address: 26 Box 3 IN 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 OUT Box 4 IN 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.
Configuration Initial configuration The initial configuration occurs as two distinct parts: IP Access Switch + Unit Config Hardware Rev 1 Firmware Version 1.4 Keybd Layout UK Admin Passwd Unit Name Hot Keys Ctrl+Alt 10 mins Screensaver 21 : 27 : 31 Time Date 15 Apr 2004 Encryption Prefer Off > Network Config MAC Address Use DHCP IP Address Net Mask Gateway VNC Port HTTP Port 00:0F:58:00:00:04 No 192.168.42.154 255.255.255.0 5900 80 Save Save > Modem Config 192.168.3.1 Server IP 192.
To perform the initial local configuration 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 settings. When all items are correct, select the Save option to display the next screen. 2 Edit the Network config screen.
IP Access Switch Plus Control Logoff Restore Mouse Functions Configuration Access Mode Host Shared Email server 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). Logoff Select to close your current session and display the screensaver. Restore mouse functions Select to revive a mouse that has ceased to function correctly.
Back 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/2’. 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.
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 Maintenance Unit Configuration Network Configuration Modem Configuration To upgrade unit, visit: http://192.168.42.154 Configure Network Reset Configuration Reset Configuration Back Put option switch 1 up to return to normal operation. 4 Select the ‘Reset configuration’ option.
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 ). Once logged in, the CPU IP will show the video output from the host system (if one is connected), or otherwise a ‘No Signal’ message.
Networking issues Internet Firewall/ router Firewall/ router IP Access Switch Plus IP Access Switch Plus LOC REM VNC 100 LNK PWR KVM link to host system CPU IP situated behind the firewall Local network connection Local network connection LOC REM VNC 100 LNK PWR KVM link to host system When a web server is also on the local network Port 80 is the standard port used by web (HTTP) servers.
CPU IP has a local address and net mask, i.e. IP address: 192.168.0.3 Net mask: 255.255.255.0 IP Access Switch Plus LOC REM VNC 100 LNK PWR Firewall/router address: 129.7.1.10 The firewall routes the request from the VNC viewer on port 5900 through to the CPU IP at local address 192.168.0.3 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.
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 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.
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 ð 7 Click OK to close the dialog and then click the Save button in the main Host Configuration window to store the details. Where: w is the switch box address (first box is 80, second box is 81, etc.
Performing a flash upgrade Put option switch 1 up to return to normal operation. 6 7 8 The Maintenance menu should display the current network address of the CPU IP. • If 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.
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. IP Access Switch Plus Control Logoff Restore Mouse Functions Configuration Access Mode Host Shared Email server Return To Host IP Access Switch Plus Logon Username: Password: 2 Enter your username and password. Providing you have the correct permissions, the screen will display the currently selected host computer.
OR OR Web browser Dial up link IP Access Switch Plus LOC REM VNC 100 LNK PWR Network link VNC viewer 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. To avoid the ‘hall of mirrors’ effect IMPORTANT: Never configure a system so that your viewer is viewing itself.
To connect using your Web browser 1 Launch your standard Web browser as usual. • 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 A connection details dialog will be displayed: Enter the CPU IP address here and click OK If required, select the encryption mode - MORE [+] Options button Provides a range of viewer and connection settings - MORE [+] where v.w.x.y is the IP network address, for example 192.168.0.
Using the viewer window When using the viewer window Power Click to access the power on/off options for the current host computer. Dialogue area Indicates your username and the host system that you are currently viewing. This area can also display other messages. How do I escape from full screen mode? Press the F8 button. This button is changeable but is most often set to F8. Why is the button flashing red? This happens when a new host screen is viewed (that has not been viewed before).
Remote host cursor Configure For the VNC viewer, the local cursor is a dot: Local dot cursor Remote host cursor 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. 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.
Re-synchronise mouse 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 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.
Controls Enter the code here Click to send the code 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.
Vertical position Determines the vertical position of the host screen image within the viewer window. Colour, brightness & contrast Provides an automatic setting button to optimise these three important video constituents for the current host and connection speed. Calibrate all Click to determine the optimum settings for all aspects of video the video connection from the host system. Display activity Indicates the level of video activity currently in progress.
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’. 4 Save the download file (vncviewer.exe) to your system.
Supported web browsers Linux • Netscape 4.61 and above, with Java Runtime Environment 1.1 or above. • Opera, with Java Runtime Environment 1.1 or above. Windows • Internet Explorer 5.50 and above, with Microsoft [Java] Virtual Machine (release 5.50). with Java Runtime Environment 1.3 or above. The following web browsers have been tested and found to work correctly with CPU IP. The web browser viewers and VNC viewers (of level 4.
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Appendix 1 - Local configuration menus Shared Email server Return To Host Use the Host entry to switch to the required host computer (when a KVM switch is used).
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.
5900 80 Access Control 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 2digit 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’.
Save 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 (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.
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. To reset the CPU IP configuration 1 With the RESET option highlighted, press . 2 The first screen of the initial configuration process will be displayed. See Initial configuration for details. The unit will then reset and require re-configuring before it can be used.
Clear IP access control Save Cancel Gateway VNC Port 5900 HTTP Port 80 Clear IP Access Control To clear IP access control 1 Use the local keyboard and log on as the ‘admin’ user. 2 Press (hotkeys may be set differently). 3 Select ‘Configuration’. Network Config 4 Select ‘Network configuration’. MAC Address 00:0F:58:00:00:04 5 Highlight the ‘Clear IP Use DHCP No access control’ option IP Address 192.168.42.154 and press . Net Mask 255.255.255.
Appendix 2 - VNC viewer connection options Colour/Encoding Auto select When 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. Preferred encoding There are three manually selectable encoding methods which are accessible when the Auto select option is unticked. • ZRLE – This is a highly compressed method that is best suited to slow modem connections.
Inputs Misc 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.
Defaults Save configuration file as... Allows you to save the current settings so that they can be copied from one viewer to another. Save as defaults When clicked, saves the current connection options as the default set that will be used in all subsequent VNC connections. Reload defaults When clicked, all connection options are returned to the default settings that are currently saved.
Appendix 3 - VNC viewer window options Send Ctrl-Alt-Del Passes a Ctrl-Alt-Del sequence to the host system. New connection... Displays the connection dialog so that you can log on to a different CPU IP or VNC server location. Options... Displays the full range of connection options - see Appendix 2 for more details. Save options... Allows you to save the current VNC connection options for use during the next session. Connection info... Displays various connection and display details.
Accept clipboard from server This feature is restricted to software server versions of VNC and has no effect on CPU IP installations. There is a single page of options: Encoding and colour level Auto select When 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.
Appendix 5 - Remote configuration menus 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 • Click the Configure button in the top right corner of the window when logged on as the admin user.
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).
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.
Advanced unit configuration Click this button to display several advanced options that do not normally require alteration. 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. Background refresh rate Use the arrow keys to alter the refresh rate for screen images via remote links.
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. 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.
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. Access Use the arrow buttons to select either ‘Allow’ or ‘Deny’ as appropriate. 2 Enter the base network address, the mask and select the appropriate access setting. 3 Click the OK button.
Serial port configuration 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. Initialization sequence 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.
Host configuration To create a new host entry 1 Click one of the 32 host entries to reveal a Host configuration dialog. 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. 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.
This screen provides various details about the user activity on the CPU IP. User name Access method or remote IP address Type of event Click to clear all log entries Click to refresh the list Click to return to the main menu 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 ‘Logging and status’ option.
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.
10011010 192 168 142 144 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. Binary equivalent of 154 1111 0 0 0 0 10010000 144 Binary octet after AND operation with net mask Decimal equivalent of 10010000 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.
Calculating the mask for IP access control 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.
Ports 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 IP Access Switch Plus LOC REM VNC 100 LNK PWR CPU IP has the local IP address: 192.168.0.3 Web server User with VNC viewer accesses IP address: 129.7.1.10 (this automatically uses port 5900). Internet User accesses the company website at: 129.7.1.
Appendix 7 – Cable and connector specifications DCD DAT 1 2 RXD TXD 2 5 GND GND 3 4 DTR +5V 4 6 DSR -12V 6 7 RTS 3 TXD (-12V) NC 8 CTS NC 9 RI Female 5 3 1 6 4 2 1 NC 4pin RJ10 Power switch to power switch daisy chain cable 4pin RJ10 4pin RJ10 5 9pin D-type female CLK 9pin D-type female 6pin mini-DIN female CPU IP to power switch cable RS232 serial mouse to PS/2 converter cable 57
Appendix 8 – Hotkey sequence codes 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_0 to KP_9 Function keys Backspace | Tab | Return | Enter | Ctrl | Alt | Win | Shift | LShift | RShift LCtrl | RC
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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 présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la classe A prescrites dans le règlement sur le brouillage radioélectriques publié par le ministère des Communications du Canada.
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Index 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 B Baud rate local setting 36 remote setting 50 Binary net masks 54 Brackets 5 fitting 6 Browser connection 24 E Encryption key 12 I F 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
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 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 sup
