Lindy 32 342 Switch User Manual
Contents
1. A4 Remote controller extension Cables cccceeeeeeeceeeeeeeeeeeeeeeenneeeeeees 25 B Problem SOLVING ae ra a aaea aa aeaaea aaa aeaaeae iani 26 LINDY CPU Switch USB Installation and Use Page 7 1 Introduction Thank you for purchasing the LINDY CPU Switch USB Your LINDY CPU Switch USB is a high performance keyboard monitor mouse and peripheral sharing device which supports a wide range of hardware and software platforms and connects to your computers via their USB ports 1 1 Key features PC and MAC models e Enables a keyboard monitor mouse and range of USB peripherals to be switched between four USB enabled computers e Uses new innovative technology that is Patent Pending in the U K e Numeric status display and front panel pushbutton make computer selection easy e Supports high quality video resolutions up to 1600 x 1280 pixels and screen refresh rates up to 100 Hz e Each computer may be connected using just one standard USB cable and one standard video cable e Robust metal chassis sits securely on your desktop e Internal USB hub function enables 3 USB peripherals to be connected More USB peripherals may be added by using additional USB hubs e LINDY CPU Switch USB has its own power supply and consequently will power USB hubs attached to its peripheral ports This enables keyboards with integral hubs and other non powered USB hubs to be supported e Available in attractive translucent blue to mat2. Apple keyboard keyboard Left Ctrl Left Control Left Win Start EB Left Command 6 Left Alt Left Option alt Right Alt or Alt Graph Right Option alt Right Win Start 8 Right Command Right Ctrl Right Control Windows Application EB No equivalent No equivalent On off key Page 26 Installation and Use LINDY CPU Switch USB Appendix A Cable specifications Shielded cables must be used with this equipment to maintain compliance with radio frequency energy emission regulations and ensure a suitably high level of immunity to electromagnetic disturbances A1 USB cables The construction and maximum length of USB cables is specified in the USB standard You should only use cables that conform to this USB standard These cables will be shielded and no longer than 5 metres in length USB cables have different types of connectors at each end to avoid incorrect connection USB peripherals that carry integral cables such as some keyboards and mice may be connected directly to the LINDY CPU Switch USB or may be connected to the LINDY CPU Switch USB via a USB hub see figure 4 USB hubs may be used to extend the overall USB cable run beyond the 5 metre limit A2 Video cables You will require a video cable for each computer that you wish to connect The LINDY CPU Switch USB uses standard video cables that are terminated at each end with a standard 15 way high density D type male video connector All the pins on the
3. Switch USB Installation and Use Page 25 3 9 Querying the LINDY CPU Switch USB s firmware version For technical support reasons it may sometimes be desirable to know the firmware version of your LINDY CPU Switch USB If the front panel key is held down whilst the LINDY CPU Switch USB is powered on then the firmware version will be displayed as a sequence of numbers and characters The three digits of the firmware version are shown in sequence on the 7 segment display one at a time alternating with the letter F When the firmware version has been displayed the LINDY CPU Switch USB will display and equals sign and resume normal operation For example the following sequence would indicate firmware version 1 23 3 10 PC and Macintosh keyboard equivalent key mappings If you are connecting a mixture of IBM compatible PCs and Macintosh computers to the LINDY CPU Switch USB then you have several possible keyboard configuration options You may decide to connect both a Macintosh and PC style keyboard to the LINDY CPU Switch USB and use the appropriate keyboard for the appropriate system Alternatively you may wish to use the same keyboard to control both systems In this case we recommend that you use a PC 104 105 key keyboard This has more keys than the Macintosh keyboard and so is more suited to universal use The equivalent key mappings on the IBM PC 104 105 key keyboard and the Apple keyboard are shown in the following table IBM 104 105 key
4. only If you disconnect the LINDY PS 2 style mouse from the LINDY CPU Switch USB by accident during operation then the mouse operation will be lost when the mouse is plugged back in To avoid having to reboot the entire system in this situation the LINDY CPU Switch USB is fitted with an automatic mouse recovery system With the LINDY PS 2 mouse disconnected change the channel using the front panel key or keyboard hotkeys The LINDY CPU Switch USB detects that the mouse LINDY CPU Switch USB Installation and Use Page 19 has been disconnected and triggers the automatic recovery system Plug in the LINDY PS 2 mouse and the LINDY CPU Switch USB will re initialise it Page 20 Installation and Use LINDY CPU Switch USB 3 Using the LINDY CPU Switch USB This section explains the general operation of the LINDY CPU Switch USB We recommend that you read this section before starting to use the product 3 1 Power on status At power on the LINDY CPU Switch USB selects computer number 1 and displays 1 on the front panel numerical display 3 2 Front panel key The front panel key is used to select which channel 1 to 4 is currently connected to the user ports coloured green on the rear panel and which is currently controlled by the shared keyboard mouse and monitor Pressing the key during normal operation will cause the next computer channel to be selected Depending on the position of option switch 8 pressing the front panel key
5. particular you should avoid switching computers whilst a computer is reading or writing data to a USB data storage device such as a ZIP drive Where practical it is advisable to eject removable disks on USB drives before switching computers 3 4 Status display The status display usually shows the currently selected port If autoscan mode is selected the segments will illuminate in sequence in a clockwise direction interspersed with a display of the currently selected channel If the LINDY CPU Switch USB is waiting for the enumeration guard process to complete then the display will flash Data flow from the mouse or keyboard attached to the PS 2 style keyboard and mouse ports model 32 341 only causes the dot in the lower right hand corner of the display to flash Page 22 Installation and Use LINDY CPU Switch USB DISPLAY SHOWS Channel number displayed steadily a Display flashes port number Illuminated segment shifts clockwise with port number shown i 4 after each scan round b Dot in lower right hand corner of display flashes model 32 341 only MEANING The computer channel shown is selected The computer channel has just been changed and the LINDY CPU Switch USB is waiting for the enumeration guard process to complete Auto scan mode scanning from channel to channel at rate as selected by user Data is being received from the keyboard or mouse attached to the PS 2 style keyboard an
6. 16 2 5 Powering on the LINDY CPU Switch USB 0 0 eeeeeeeeeeeeeeeeee 17 2 6 Configuring your COMPUTEIS i25 sescczeccersiurcsgsccse cag teveeskanieeecenztiecoeeetexecese 17 2 7 Re enabling a disconnected PS 2 MOUSE ceeeeee eee eeeeeeeteeeeeeeeeeeeeees 17 Page 6 Installation and Use LINDY CPU Switch USB 3 Using the LINDY CPU Switch USB cccctcsssseeeeeeeeseeeeeeeeeneees 18 Bl POWER ONSIALUS oinin r ud a eae ees 18 3 2 Front panel key wiceerene tenes mee nee al aati lt ateteadl 18 3 3 Switching between computers using the LINDY CPU Switch USB 19 3 4 Stat s dis play ita sth oie tA a Cae ale ath Unc ee aM elt ate 19 3 5 Keyboard hotkey COMM Oleg cseccscees cade cons iiaiai tucicectiudecag eur oacveteeenees 20 Se WOU SE POCONO EATE A T E E ated anvd adhd asd uted csv EE 22 Bit ULOSCAN IOGE or solutes sas ctascielutasdietaeintudersintaiesdinvuierdint nies tiasusncdintiiess 22 3 8 The optional remote controller ccceceeeeeeeeeeeeeeeeeeeeeeeeeaeeeeeeeeeeeeeeees 22 3 9 Querying the LINDY CPU Switch USB s firmware version 06 23 3 10 PC and Macintosh keyboard equivalent key mappings 08 23 Appendices A Cable Specifications cccccccsesssseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeseeeeeeeeeeesesenees 24 ATUSB CARIES AS a e a ea ane tian 24 A2 Video cables sinse siateneres ie enek ta S 24 A3 PS 2 style keyboard and mouse extension cables cccccecceceeeeeeees 25
7. INDY CPU Switch USB Installation and Use Page 15 2 4 Configuring the LINDY CPU Switch USB The LINDY CPU Switch USB is supplied pre configured with factory defaults which are suitable for most applications A row of option switches on the underside of the LINDY CPU Switch USB may be used to select various other configuration options as follows Switches 1 to 4 are only applicable to the LINDY CPU Switch USB 32 341 Hotkeys disabled Hotkeys ALT SHIFT f Scan all ports Hotkeys P f CTRL SHIFT k Scan active ports only CTRL ALT P A default f Autoscan dwell time 5 seconds D f Autoscan dwell time switching of channels k 2 seconds default Enable mouse switching of channels default Enumeration guard time Reserved set OFF h 16 seconds Enumeration guard time 8 seconds numeration guard time 4 seconds Enumeration guard time 2 seconds default ee eee Page 16 Installation and Use LINDY CPU Switch USB 2 4 1 Setting the USB enumeration guard time option switches 5 and 6 A USB enabled computer detects and configures USB peripherals when they are connected to or disconnected from its USB ports This process is called enumeration You can often see when the enumeration process is in progress as the computer will usually display a timer or hourglass for a few seconds after the connection of a USB peripheral whilst the device is being enumerated Th
8. PU ports 1 to 4 monitor and USB used to connect Computer video peripherals to computers connections coloured GREEN coloured BLUE 1 to 4 User monitor connection Power connection for power adapter a 7 5 Ba 5 User mouse w f sti lacert h User Options or traditiona i PS 2 style keyboard USB peripheral Computer port used mouse connection connections USB to connect for traditional A to C connections remote PS 2 style Port A supports 4 to 4 controller to keyboard Macintosh the LINDY CPU keyboard on off Switch USB function Fig 1 LINDY CPU Switch USB model 32 341 Display is duplicate Key for of front panel display changing and shows status channels and mouse keyboard data activity Page 10 Installation and Use LINDY CPU Switch USB Fig 2 Remote control pad display optional accessory Part 32 255 Key for changing channels and selecting autoscan User ports for connection to keyboard mouse monitor and USB peripherals coloured GREEN CPU ports 1 to 4 used to connect to computers coloured BLUE User monitor connection Power connection for power adapter USB peripheral connections lal A to C Port A supports fon Macintosh keyboard on off function Fig 3 LINDY CPU Switch USB model 32 342 Numerical status display Computer video connections 1 to 4 OPTIONS Options port used to connect remote controller to the LINDY CPU Sw
9. SWITCH LINDY LINDY CPU Switch USB Installation and Use Part Model 32 341 LINDY CPU Switch USB PC Part Model 32 342 LINDY CPU Switch USB Mac LINDY CPU Switch USB Installation and Use First edition January 2000 2000 LINDY Electronics Ltd About this manual LINDY CPU Switch USB Installation and Use First edition January 2000 Part No 32341 32342 2000 LINDY Electronics Ltd All rights reserved Whilst every precaution has been taken in the preparation of this manual LINDY Electronics Ltd assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein We reserve the right to change the specifications functions and circuitry of the product without notice All trademarks acknowledged Safety information For use in dry oil free indoor environments only Warning live parts contained within power adapter No user serviceable parts within power adapter do not dismantle Plug the power adapter into a socket outlet close to the LINDY CPU Switch unit that it is powering Replace the power adapter with a manufacturer approved type only Do not use the power adapter if the power adapter case becomes damaged cracked or broken or if you suspect that it is not operating properly If you use a power extension cord with the LINDY CPU Switch make sure the total ampere rating of the devices plugged into the extension
10. cable are connected straight through We strongly recommend that you use tri coax 75 ohm video cables that are specifically designed to carry video signals Good quality 10 metre long tri coax video cables show little loss of video quality Lengths up to 30 metres long will usually give an acceptable video picture although the quality falls off as the length increases You should therefore generally use the minimum length possible Tri coax video cables can easily be identified as they are roughly the same thickness as a monitor s video cable and are usually lightly fluted on the outside Cheaper and thinner data cables are widely available but are only suitable for low video resolutions Where possible these cheaper cables should be avoided Your monitor will plug directly into the back of the LINDY CPU Switch USB however LINDY CPU Switch USB Installation and Use Page 27 if you wish to extend the distance between the LINDY CPU Switch USB and the monitor then you may use a tri coax video extension cable This cable should preferably be no longer than 10 metres although cable runs up to 20 metres long may also give acceptable video quality A3 PS 2 style keyboard and mouse extension cables PS 2 style keyboards and mice will plug directly into the LINDY CPU Switch USB model 32 341 If required the keyboard and mouse may be located further away from the LINDY CPU Switch USB with the aid of extension cables Extension cables should b
11. ch with your computer equipment e Remote controller option enables the LINDY CPU Switch USB to be controlled from a small neat remote control unit that may be attached to the top of a keyboard or the side of a monitor Page 8 Installation and Use LINDY CPU Switch USB e Supports monitor display data channel signalling DDC1 amp DDC2 enabling your computer to communicate with the monitor e Supports autoscan for easy monitoring of computer activity e Enables switching between all computer ports or just active computer ports for maximum convenience PC models e PS 2 style keyboard and mouse ports enable a traditional style PC keyboard and mouse to be connected to the LINDY CPU Switch USB e LINDY CPU Switch USB s channel can be changed using keyboard hotkeys or a 3 button mouse e Traditional style PS 2 keyboard and mouse signals automatically converted to USB format within the LINDY CPU Switch USB e Keyboard and mouse activity indication e Video blanking feature 1 2 Package contents models 32 341 and 32 342 e LINDY CPU Switch USB e Power adapter e This installation guide 1 3 Remote controller contents part code 32 255 e Remote control module e Velcro strip for mounting remote controller LINDY CPU Switch USB Installation and Use Page 9 1 4 Product information Key for changin Numerical channels and a au selecting autoscan isp ay User ports for connection to keyboard mouse C
12. 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 Do not attempt to service the LINDY CPU Switch yourself Page 2 Installation and Use LINDY CPU Switch USB Warranty LINDY Electronics Ltd warrants that this product shall be free from defects in workmanship and materials for a period of one year 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 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 If any difficulty is experienced in the installation or use of this product that you are unable to resolve please contact your supplier Trademarks All trademarks mentioned in this manual are acknowledged to be the property of the respective trademark owners Compaq is a registered trademark of Compaq Computer Corporation Hewlett Packard is a registered trademark of Hewlett Packard IBM PC AT PS 2 RS 6000 and ThinkPad are registered trademarks of International Busine
13. d mouse ports 3 5 Keyboard hotkey control model 32 341 only The LINDY CPU Switch USB may be conveniently controlled by pressing keyboard hotkey combinations on the keyboard attached to the PS 2 style keyboard port see figure 4 All of the hotkey control commands are invoked by holding down the two hotkeys and then pressing a command key By default the two hotkeys are CTRL and ALT although other combinations can be selected see section 2 4 4 Once the hotkey command has been activated you will need to release the hotkeys and LINDY CPU Switch USB Installation and Use Page 23 the command key before a new hotkey command is accepted by the LINDY CPU Switch USB HOTKEYs TAB is an exception and this allows you to tab through the ports by holding down the hotkeys and repeatedly pressing TAB The hotkey command are summarised below note that the numbers on the numeric keypad do not form part of a valid hotkey HOTKEYs and 1 selects channel 1 HOTKEYsS and 2 selects channel 2 HOTKEYs and 3 selects channel 3 HOTKEYs and 4 selects channel 4 HOTKEYs and TAB selects the next channel The next channel may be the next active channel or the next channel in numerical sequence depending upon the position of option switch 8 see section 2 4 3 HOTKEYs and A selects autoscan mode where each channel s video is displayed for the selected tim
14. dged Action Ensure that you are using high quality tri coax video cables These can be easily identified as they are roughly the same thickness as a monitor s video cable and often are lightly fluted on the outside of the cable Use the minimum possible length of video cables Problem The on off key on a Macintosh keyboard doesn t work Action Ensure that you have plugged the keyboard into port A and that there are not any USB hubs connected between the computer and the LINDY CPU Switch USB Problem The enumeration delay time seems too long Action Set the lowest enumeration guard time and remember not to switch away from a selected computer until the timer or hourglass indicates the end of the enumeration process LINDY CPU Switch USB Installation and Use Page 29
15. e see section 2 4 2 To cancel autoscan mode simply select any fixed channel either by hotkey or by using the front panel button HOTKEYs and 0 switches off the video signal and displays 0 This will cause some monitors to go into standby mode or switch off The video signal can be re enabled by selecting a channel Examples of common hotkey sequences assuming CTRL ALT hotkey option To select channel 2 Press CTRL ALT release 2 CTRL ALT To tab through channels Press CTRL ALT E release press release press release E CTRL ALT Page 24 Installation and Use LINDY CPU Switch USB 3 6 Mouse control model 32 341 only The LINDY CPU Switch USB s channels may be changed using a three button mouse or IntelliMouse In order to switch to the next channel simply hold down the central mouse button or wheel button and click on the left hand mouse button The channel will then change to the next channel The next channel may be the next active channel or the next channel in numerical sequence depending on the setting of option switch 8 see section 2 4 3 3 7 Autoscan mode Autoscan mode may be selected by holding the front panel key down for 5 seconds or by using the keyboard hotkeys When autoscan mode has been activated the front panel display will alternately show a rotating segment and the currently selected channel The video from each computer will be displayed for the time peri
16. e terminated with 6 pin mini DIN PS 2 style connectors with a male connector on one end and a female connector on the other end All pins on the extension cable should be wired straight through 1 to 1 2 to 2 3 to 3 etc Such extension cables may be up to 10 metres long Most keyboards and mice will also work with a 20 metre extension cable A4 Remote controller extension cables The remote controller is supplied as standard with a 3 metre long lead This distance may be extended with the use of suitable shielded extension cable This extension cable may be up to 20 metres long and should be wired so that all pins are connected straight through 1 to 1 2 to 2 3 to 3 etc Remote controllers with longer leads are also available from your supplier Page 28 Installation and Use LINDY CPU Switch USB Appendix B Problem Solving Problem Peripherals hang after the LINDY CPU Switch USB s channel is changed Action Ensure that you are using a suitable operating system see section 2 1 Operating systems such as versions of Mac OS earlier than 8 6 are known to have associated problems Ensure that you are not reading from or writing to USB connected disk drives whilst you are switching between computers Ensure that the enumeration guard time is longer than the longest observed enumeration delay see section 2 4 1 or ensure that you are not switching between computers during the enumeration process Problem Video is fuzzy or smu
17. eiver 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 experienced 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 nu
18. is enumeration process will take place each time that the LINDY CPU Switch USB locks on to a new computer port Unfortunately computer software is not generally robust enough to cope with the connection between the computer and peripherals being broken during this enumeration process If the connection is lost part of the way through the enumeration process then the computer software or the peripherals can hang To overcome this problem the LINDY CPU Switch USB is fitted with an enumeration guard timeout system Once the LINDY CPU Switch USB has locked on to a channel it will remain connected to that channel for at least the enumeration guard time This ensures that the enumeration process is complete before further channel changes are allowed and consequently ensures robust and reliable operation The enumeration process takes longer if more peripherals are connected Select an enumeration time that is longer than the longest observed enumeration time The enumeration time can be judged by the length of time that the hourglass or timer remains on the computer screen after a channel change normally a few seconds Alternatively you may select the shortest enumeration guard time 2 seconds and remember not to change the channel whilst the hourglass or timer is displayed 2 4 2 Setting the autoscan dwell time The LINDY CPU Switch USB may be made to autoscan the connected computers During autoscan the LINDY CPU Switch USB displays the video signal f
19. itch USB LINDY CPU Switch USB Installation and Use Page 11 2 Installation 2 1 What you will need e A suitable USB enabled operating system running on each of your computers Suitable operating systems are Windows 98 release 2 or later and Mac OS 8 6 or later Earlier operating system versions are not recommended and may cause occasional problems Other operating systems such as Windows 2000 HP UX Linux SCO UNIX and Novell NetWare have USB support or are likely to add it soon DOS Windows 3 x Windows 95 and Windows NT either do not support USB or are not recommended for use with the LINDY CPU Switch USB e Cables to connect the LINDY CPU Switch USB to a USB and video port on each of your computers Cable specifications are given in appendix A e A monitor with a standard VGA SVGA 15 pin connector that will work when connected directly to each of your computers LINDY CPU Switch USB supports low and high resolution monitors e Suitable USB drivers for all the USB peripherals that you wish to connect to the LINDY CPU Switch USB Common drivers such as those for keyboards and mice are usually included with the operating system If you are connecting to both PC and Apple Macintosh computers then you should ensure that you have drivers for both platforms e f you wish to connect more than three USB peripherals to the LINDY CPU Switch USB then you will need additional USB hubs These may be bus powered or po
20. m riques de la classe A prescrites dans le r glement sur le brouillage radio lectriques publi par le minist re des Communications du Canada LINDY CPU Switch USB Installation and Use Page 5 Contents 1 ITF OCUCUIONN seansissssssssnsnnnsunsuuuususssuueweasssannnnnnnnnnnnnnnnnnnnnnunNNNNuuNNNedeennian 6 We IRSA TA fie hi i A lc ca at alata et 6 1 2 Package contents models 32 341 and 32 342 o eeeeeeeeeeeeeees 7 1 3 Remote controller contents part Code 32 255 o ceeeeeeeeeeeteeeeeeeees 7 1 4 Proguel inlOnmatlon tose cn teccceatet canta aA 8 Ze installation veesessssasscacccaccccaccaaaaacnananasnnaannnnnnnnnnnnnnannnnnnnannannnnnnnnnnnnananae 10 2 1 What you will need ca Acca aac te A eta Vaites Cavin alee Ca ets 10 2 2 Mounting the LINDY CPU Switch USB cccceeeceeeeeeeeeeeeteeeeeeeeeeeeeees 11 2 3 Connecting your devices ai cee orice an Se cue adels cota avenue caslaesace 11 2 4 Configuring the LINDY CPU Switch USB ccccceeeeeteeeeeeeeeeeeeeees 14 2 4 1 Setting the USB enumeration guard time eeeeeeeeeeeeeneeeeeeeees 15 2 4 2 Setting the autoscan dwell time cccececeeeeeeeeeeeeeeeeeeeeeeeees 15 2 4 3 Setting the LINDY CPU Switch USB to scan all ports or just the ACIIVG DONS sic icin tetoen Mane tidied ate Alt 16 2 4 4 Setting the keyboard hotkey combination eeeseeeeeeeeees 16 2 4 5 Enabling and disabling mouse channel switching c
21. nected If you wish to use the PS 2 style mouse to switch the LINDY CPU Switch USB s channel then you will need a three button mouse or a LINDY mouse 2 2 Mounting the LINDY CPU Switch USB The LINDY CPU Switch USB has been designed for use on a desktop or shelf in close proximity to the user s monitor and peripherals The optional remote controller may be used if you wish to locate the LINDY CPU Switch USB on a desk or shelf that is some distance from the monitor and peripherals 2 3 Connecting your devices Ensure that the power adapter is disconnected from the LINDY CPU Switch USB and that all the devices which are to be attached are switched off Connect your keyboard mouse and monitor to the connectors at the rear of the LINDY CPU Switch USB see figs 1 2 and 3 Your user and peripheral devices should plug directly into the LINDY CPU Switch USB Next connect each computer system unit in turn with a USB and a video cable The LINDY CPU Switch USB Installation and Use Page 13 USB cable has different connectors on each end This ensures that it connects to the correct ports The type A connector rectangular plugs into the computer and the type B connector square plugs into the LINDY CPU Switch USB USB cables should be no longer than 5 metres but this distance may be extended with the use of USB hubs You should use tri coax video cables to achieve a good video picture the type of thick cable that you see on computer monitor con
22. nections Lower quality data cables will function correctly but will generally give relatively poor video pictures and are only suitable for screen resolutions of 640 x 480 Any unused computer connections can be left unconnected If you are using an Apple Macintosh computer and you wish to use the on off key function on the keyboard then you must connect the keyboard directly to the LINDY CPU Switch USB s peripheral port A If you are using this on off key function then you will also not be able to use an additional USB hub to extend the cable run between the computer and the LINDY CPU Switch USB This is because the Macintosh on off key function is not supported through a USB hub Page 14 Installation and Use LINDY CPU Switch USB uaa _ _ 77 COMPUTER i CONNECTIONS 7 BLUE USB hub max USB cable run 7 beyond om_ g Power adapter Optional remote controller c N 4 SF eas M a w SS a 0 USB keyboard and NO mouse if using PS 2 style keyboard and mouse model can inclease 32 341 only USB hubs may Mac keyboard then be used to expand attach to port A N the number of N lt connected USER X peripherals CONNECTIONS GREEN Fd USB peripherals 7 eg printer scannner Pa ZIP drive camera ae modem etc Ber Figure 4 a typical LINDY CPU Switch USB installation whereby a range of peripherals are shared between four computers L
23. od selected by option switch 7 either 2 seconds or 5 seconds During autoscan all the USB peripherals remain disconnected and only the video signals are switched through Depending upon the position of option switch 8 the LINDY CPU Switch USB will lock on to all the computer ports or just the active computer ports Many modern monitors are fitted with automatic power save relays and will switch off after a few seconds if connected to an inactive PC If you are using such a monitor you must not scan inactive ports Constant switching on and off of your monitor s relay will eventually damage your monitor 3 8 The optional remote controller An optional remote controller is available which replicates the front panel key and display but can be located remotely from the LINDY CPU Switch USB The remote controller plugs into the options port on the back of the LINDY CPU Switch USB see figures 1 and 2 This remote controller is particularly useful in applications where the LINDY CPU Switch USB is located away from the user s desktop The remote controller can be conveniently attached to your keyboard with a couple of Velcro strips to give instant channel information and key control The key and display on the remote controller perform exactly the same function as the key and display on the front panel of the LINDY CPU Switch USB The remote controller is supplied with a 3 metre cable but this may be extended if necessary to 20 metres LINDY CPU
24. r is not connected to the LINDY CPU Switch USB 2 4 4 Setting the keyboard hotkey combination model 32 341 only The LINDY CPU Switch USB s channel may be selected by pressing keyboard hotkey combinations on the keyboard attached to the PS 2 keyboard port Keyboard hotkey combinations consist of three keys that are pressed together to activate the required function For example pressing CTRL and ALT and 2 together would select channel 2 assuming the default hotkeys Certain hotkey combinations may sometimes be used by other systems or software so various different hotkey combinations may be selected Options switches 1 and 2 are used to select the required hotkey combination or disable the hotkeys 2 4 5 Enabling and disabling mouse channel switching model 32 341 only A three button PS 2 mouse or an IntelliMouse can be used to switch channels on the LINDY CPU Switch USB To switch to the next channel the user simply holds down the central button or wheel button and presses the left hand button to change channel If the user does not wish to take advantage of this feature it can be Page 18 Installation and Use LINDY CPU Switch USB disabled using option switch 3 If the third button is being used to switch the LINDY CPU Switch USB then it is not available for use with PC software although the function of an IntelliMouse wheel is not affected If you wish to use the full function of a 3 button mouse or IntelliMouse for your PC
25. rom each computer in turn for a selected time period This time period is known as the dwell time and may be selected to be 2 or 5 seconds using option switch 7 Ports are scanned in ascending numerical sequence and all the ports or just the active ports will be scanned according to the setting of option switch 8 LINDY CPU Switch USB Installation and Use Page 17 2 4 3 Setting the LINDY CPU Switch USB to scan all ports or just the active ports The LINDY CPU Switch USB s front panel button may be used to select the required computer To avoid the need to press the key more times than necessary the LINDY CPU Switch USB may be set to scan just the ports that have powered computers attached When the LINDY CPU Switch USB has been set to scan these active ports only these ports may be selected using the front panel button If you wish to be able to select all the ports regardless of whether the connected computers are powered on or not then the LINDY CPU Switch USB may be set to scan all ports The scan strategy is selected using option switch 8 This setting also controls the ports that are scanned during autoscan and the ports that may be selected using the keyboard hotkeys TAB or a 3 button mouse model 32 341 only The LINDY CPU Switch USB determines if a port is active by monitoring the signals present on the USB interface cable The LINDY CPU Switch USB is not able to detect an active computer if a USB cable from that compute
26. software then you should disable mouse channel switching 2 5 Powering on the LINDY CPU Switch USB The LINDY CPU Switch USB is powered from the supplied mains power adapter There is no on off switch on the LINDY CPU Switch USB so it will start to operate as soon as the power adapter has been connected to the LINDY CPU Switch USB and plugged into the mains supply 2 6 Configuring your computers We recommend that you configure each computer in turn for operation with your USB devices without changing the LINDY CPU Switch USB s channel Configure your computers as if the USB devices were connected directly to the computer Some PC compatible computers may not recognise a USB keyboard or mouse until a suitable driver has been loaded It may only be possible to load these drivers if you have keyboard and mouse control and so consequently you may need to connect a traditional style PS 2 keyboard and mouse to load the USB drivers Once these USB drivers have been loaded the PS 2 keyboard and mouse may be disconnected Remember that you must be using a suitable operating system such as Windows 98 or Mac OS 8 6 If you are using a version of Apple s operating system earlier than 8 6 then you must upgrade to a later version This upgrade is available on Apple s website If you use an earlier operating system then your peripherals will hang after typically 25 channel changes 2 7 Re enabling a disconnected LINDY PS 2 mouse 32 341
27. ss Machines Corporation Logitech MouseMan and Pilot Mouse are trademarks of Logitech Inc Microsoft and Windows are registered trademarks and IntelliMouse is a trademark of Microsoft Corporation Velcro is a trademark of Velcro USA Inc LINDY CPU Switch USB Installation and Use Page 3 Radio Frequency Energy Shielded cables must be used with this equipment 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 B 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 rec
28. wered with their own independent power supplies All USB hubs should be at least USB 1 0 compliant and should preferably be USB 1 1 compliant e A suitable keyboard and mouse If you have LINDY CPU Switch USB Mac model 32 342 then these must be USB devices If you have the LINDY CPU Switch USB PC model 32 341 then these may be USB style devices or traditional PS 2 style devices If you are connecting to both PC and Macintosh machines then it is recommended that you use a PC keyboard and mouse because the PC keyboard and mouse has more keys and buttons than the Macintosh keyboard and mouse If you wish you may connect both types of keyboard or mouse for convenience Page 12 Installation and Use LINDY CPU Switch USB You may connect standard 2 or 3 button PS 2 or IntelliMouse compatible mice to the PS 2 mouse port on the LINDY CPU Switch USB PC model 32 341 The LINDY CPU Switch USB supports Internet Mice that are compatible with the Microsoft IntelliMouse These are fitted with a wheel or other scroll control and sometimes have additional buttons Examples are All LINDY Mice Microsoft IntelliMouse Logitech Pilot Mouse Logitech MouseMan Genius NetMouse Genius NetMouse Pro If you are using an AT keyboard with a 5 pin connector you may connect this to the LINDY CPU Switch USB using a standard AT to PS 2 keyboard adapter If you do not wish to use a keyboard and mouse then the LINDY Switch USB will operate without these devices con
29. will either select the next active computer channel or the next computer channel in numerical sequence 1 2 3 4 1 2 3 etc Using the front panel key you may cycle through the available computer channels until you find the required port When the LINDY CPU Switch USB detects that no new key presses have occurred for a second it will start the channel lock on process During the lock on process the display will flash to indicate that the LINDY CPU Switch USB is currently waiting for the enumeration guard period see section 2 4 1 The channel may not be changed again until this process is complete and the display stops flashing The front panel key may be used to select autoscan mode Autoscan mode is activated by holding the key down for more than 5 seconds until the display starts to show a rotating segment Autoscan mode may be cancelled by pressing the front panel key whilst within autoscan mode LINDY CPU Switch USB Installation and Use Page 21 3 3 Switching between computers using the LINDY CPU Switch USB When you select a new computer using the LINDY CPU Switch USB the peripherals that were connected to the old computer will be disconnected and allocated to the new computer regardless of whether they are currently servicing jobs on the old computer For example if you are printing from the old computer and you switch to a new computer before the print job is complete then only part of your print job will actually be printed In
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