Control up to four computer systems and share
Contents
1. Intended Target Units field matches the Unit connected field If these fields do not match then you may have an incorrect upgrade file and you should check with Black Box Technical Support before proceeding Check also that the New firmware version is greater than the Current firmware version See Figure 4 2 KVM Firmware Uploader BLACK BOX NETWORK SERVICES File to upload C Documents and Settings Wind DVIDL_1 00 bxt_ Check that the Intended Target Units Intended Target Units ServSwitch Wizard DVIDL A Fa field matches the Unit parecian j niela New firmware version ao N FIRMWARE UPGRADE Enter upgrade mode by either powering up the unit with the two front panel i A i buttons pressed or by pressing and holding the two buttons until the display Check also that the New firmware version hows a U nar Click Query to verify the device type IS greater than the Current firmware version Click Upload Now to perform the software upgrade device will reboot if su Unit connected ServSwitch Wizard DYI DL Current Firmware version Upload Now Upload file read OK Abort Figure 4 2 Selecting the upgrade file from the KVM Firmware Uploader window 8 Begin the upgrade To begin the upgrade process click the Upload Now button The progress will be shown within the dia log If you decide not to continue with the upload at any stage click the Abort butt2. are listed in Appendix C 724 746 5500 blackbox com Page 11 ServSwitch Wizard DVI DL 2 6 Hardware Description Multihead Versions KV2204A KV2304A and KV2404A 2 6 1 Front Panel Figure 2 4 shows the front panel of the ServSwitch Wizard DVI DL multihead versions Table 2 2 Number 1 2 lt gt BLACK BOX 724 746 5500 Component COMPUTER button Indicators MODE button describes its components KVM SPK Wizard OVI DL Multiscreen Figure 2 4 Front panel Table 2 3 Front panel components Description Press to change to the next computer channel The four indicators KVM SPK USB1 USB2 show which peripherals are switched to the current computer channel or as you begin pressing the MODE button the peripherals that will be switched during the next press es of the COMPUTER button NOTE The multiscreen versions also include four additional indicators labeled V1 to V4 that show the video channels being switched The seven segment numeric display indicates the computer channel that is currently active Press to determine which peripherals should be switched to another computer channel will occur when you press the COMPUTER button Page 12 724 746 5500 blackbox com Chapter 2 Overview 2 6 2 Back Panel Figure 2 5 shows the back panel of the ServSwitch Wizard DVI DL Table 2 4 describes its components 7 11 11 11 11 Beal E DORRE DOE
3. for example S 3 Press the number of the required setting for example 4 The display will show the pressed number for example 4 4 Press Enter to accept the setting and return to the main menu section The display will show C 5 You can now continue with your next configuration change go back to Step 2 or exit from the configuration menu see below To exit the configuration menu and save changes e Press E and then press Enter to exit and save changes To exit the configuration menu without saving e Press either of the front panel buttons Table 4 1 Configuration menu NOTE You can press the Esc key at any point to exit from an option and return to the main menu section Letter Number Description F Enter the Functions menu 1 Show current firmware version 2 Refresh EDID information from the connected video display 3 Reset the configuration to the factory defaults r is displayed momentarily H Enter the Hotkey menu 1 Ctrl Alt 2 Ctrl Shift 3 Alt Shift 4 Right Alt 5 Alt 6 Left Ctrl Alt 7 Right Ctrl Alt 8 Hotkeys disabled NOTE The Configuration menu is continued on the next page 724 746 5500 blackbox com Page 23 ServSwitch Wizard DVI DL Table 4 1 Continued Configuration menu Letter Number Description S Enter the Switch Mode menu 1 All KVM speaker KVM only Speaker only USB 1 only USB 2 only num A uu N T Enter the Autoscan Time Delay menu 1 Autoscan disabled 2 seconds
4. 5 seconds 7 seconds 15 seconds 30 seconds 1 minute 0 N DU A U N 5 minutes U Enter the User Preferences menu 1 Enable mouse switching Disable mouse switching Cycle all ports when using Hotkey Tab or Autoscan bu N Cycle only active ports when using Hotkey Tab or Autoscan 4 2 General Configuration 4 2 1 Changing Hotkeys ServSwitch Wizard DVI DL units use Ctrl and Alt as their standard hotkeys These can be changed if they clash with other software or hardware within the installation To change the hotkeys 1 Enter the Configuration menu 2 Press H to enter the Hotkey menu and then press either 1 to choose Ctrl Alt 5 to choose Alt 2 to choose Ctrl Shift 6 to choose Left Ctrl Alt 3 to choose Alt Shift 7 to choose Right Ctrl Alt 4 to choose Right Alt 8 to disable the Hotkeys Page 24 724 746 5500 blackbox com Chapter 4 Configuration 4 2 2 Mouse Switching You can enable or disable mouse switching to suit your installation requirements To enable disable mouse switching 1 Enter the Configuration menu 2 Press U to enter the User Preferences menu and then press either 1 to Enable mouse switching 2 to Disable mouse switching 3 Press Enter to accept the setting and return to the main menu section 4 Press E and then Enter to exit the menu and save changes 4 2 3 Miscellaneous Functions To refresh EDID information from the monitor 1 Enter the Configurati
5. 60 Hz Output KV2004A 5 VDC 2 5 A KV2204A KV2304A KV2404A 5 VDC 4 A Power consumption KV2004A 12 5 watts KV2204A KV2304A KV2404A 20 watts Size KV2004A 1 73 H 1U x 9 21 W x 4 72 D 4 39 x 23 39 x 11 99 cm KV2204A KV2304A KV2404A 4 375 H 2 5U x 9 21 W x 4 72 D 11 13 x 23 39 x 11 99 cm Weight KV2004A 1 87 Ib 0 85 kg KV2204A 2 lb 0 91 kg KV2304A 2 1 lb 0 95 kg KV2404A 2 2 lb 1 kg 724 746 5500 blackbox com Page 7 ServSwitch Wizard DVI DL 2 Overview 2 1 Introduction There are four versions of the four way ServSwitch Wizard DVI DL each of which allows a single operator to control up to four computer systems and share peripherals among them in a very flexible manner The KV2004A can support one video head per channel whereas the slightly larger KV2204A KV2304A and KV2404A units support two three and four video heads per chan nel respectively Thanks to high quality efficient switching technology each video head can support dual link digital video at up to 530 Mpixels per second In addition to the video performance these units offer more than just straight switching between four systems The KVM speakers and two separate USB devices attached to the Wizard DVI DL units can either be switched in unison or you can share your peripherals between any of the systems to suit your current tasks For instance you could be creating e mails on one system listening to a soundtrack from anot
6. RXD GND AD GND Multihead synchronization cable 10p10c Master end Slave end 10p10c connector 10p10c connector TXD RXD GND _ GND 724 746 5500 blackbox com Page 35 Chapter Appendix D Safety Information e For use in dry oil free indoor environments only e Both the ServSwitch Wizard DVI DL unit and its power supply generate heat when in operation and will become warm to the touch Do not enclose them or place them locations where air cannot circulate to cool the equipment Do not operate the equipment in ambient temperatures exceeding 104 F 40 C Do not place the products in contact with equipment whose surface temperature exceeds 104 F 40 C e WARNING Live parts contained within power adapter e No user serviceable parts within power adapter do not dismantle Do not attempt to service the ServSwitch Wizard DVI DL unit yourself e Plug the power adapter into a power outlet close to the module that it is powering e Replace the power adapter with a manufacturer approved type only e 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 e If you use a power extension cord with the ServSwitch Wizard DVI DL unit 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 p
7. Selecting a Computer Using Hotkeys Using hotkey combinations you can quickly switch the keyboard video monitor s mouse speakers and USB peripherals to any computer channel The Ctrl and Alt keys when pressed in combination are called hotkeys and they signal to the ServSwitch Wizard DVI DL unit that you want to control it rather than the computer However if these particular hotkeys clash with another device or program you can change them to a different combination within the Configuration menu There are two main ways to use hotkeys Standard and Additional Standard hotkey press combinations The standard hotkey press combinations enable you to change channels with the minimum of key presses 1 Simultaneously press and hold Ctrl and Alt or other hotkeys if altered 2 While still holding Ctrl and Alt press the number key of the required channel address or the TAB key then release all the keys NOTE The numbers on your keyboard s numeric keypad are not valid use only the numeral keys above the QWERTY section The ports KVM audio and or USB that are switched using this method depend upon the switching mode that is currently set using the front panel buttons as described in Section 5 1 1 The range of standard hotkey combinations is as follows NOTE If your hotkeys have been changed substitute them for the examples given here Ctrl Alt 1 Selects channel 1 Ctrl Alt 2 Selects channel 2 Ctrl Alt 3 Sel
8. every connected computer In the multihead KV2204A KV2304A and KV2404A units the EDID emulation and hybrid DDC features ensure that separate EDID data from each video display will be distributed through to the appropriate video adapters within each computer Display 4 Display 3 Display 2 Display 1 Computer 4 Computer 3 Computer 2 Computer 1 Figure 3 15 Multiscreen configuration Refreshing EDID information during use You can refresh the EDID information from the connected monitor s without the need to power cycle the Wizard DVI DL To refresh EDID information during use 1 Enter the Configuration menu 2 Press the F key to enter the Functions menu 3 Press 2 and then the Enter key 4 Press E and then Enter to exit the menu Page 22 724 746 5500 blackbox com Chapter 4 Configuration 4 Configuration 4 1 Using the Configuration Menu The configuration mode allows you to determine numerous aspects of the Wizard DVI DL unit capabilities To use the configuration menu During normal use the seven segment display on the front panel shows the number of the currently selected computer channel From this condition enter configuration mode as follows 1 Press and hold the front panel COMPUTER button for roughly five seconds The display will show C 2 On the keyboard press the letter key for the required menu section for example S The display will show the pressed letter
9. for KV2204A KV2304A or KV2404A Rack brackets The optional brackets plus four screws enable the unit to be secured within a standard rack slot See Figure 3 1 Figure 3 1 Rackmount brackets NOTE Both the Wizard DVI DL unit and its power supply generate heat when in operation and will become warm to the touch Do not enclose them or place them in locations where air cannot circulate to cool the equipment Do not operate the equipment in ambient temperatures exceeding 104 F 40 C Do not place the products in contact with equipment whose surface temperature exceeds 104 F 40 C 3 2 Connections Connections do not need to be carried out in the order given within this guide however where possible connect the power as a final step 3 2 1 User Console The ports on the user console side of the switch are where you attach the peripherals that will be shared between the computer systems Make sure that power is disconnected from the unit To connect peripherals to the user console 1 Position your peripheral devices close together so their cables will easily reach 2 Keyboard and mouse Attach the leads from your USB keyboard and mouse to the USB connectors on the switch that are specifically labeled with keyboard and mouse symbols The keyboard and mouse will operate in any of the USB connectors however True Emulation is not available on connectors labeled USB1 or USB2 See Figure 3 2 Page 14 724 746 5500 blackbox c
10. format 2 4 Additional Items You May Need e DVI to VGA adapter FA462 e Single link DVI D to DVI D video cable EVNDVI02 XXXX e Combined dual link DVI I and USB USB Type A to B cable EHN900024U XXXX e Audio cable EJ110 XXXX e Flash upgrade adapter plus standard 9 6 ft 3 m patch lead e For KV2004A 2 rackmount brackets and 4 screws RMK2007 For multihead versions call tech support at 724 746 5500 724 746 5500 blackbox com Page 9 ServSwitch Wizard DVI DL 2 5 Hardware Description Single Head Version KV2004A 2 5 1 Front Panel Figure 2 2 shows the front panel of the ServSwitch Wizard DVI DL Table 2 1 describes its components lt SBLACK BOX COMPUTER KVM SPK USB1 USB2 B 724 746 5500 Wizard DVI DL 1 2 3 Figure 2 2 Front panel Table 2 1 Front panel components Number Component Description 1 COMPUTER button Press to change to the next computer channel 2 Indicators The four indicators KVM SPK USB1 USB2 show which peripherals are switched to the current computer channel or as you begin pressing the MODE button the peripherals that will be switched during the next press es of the COMPUTER button The seven segment numeric display indicates the computer channel that is currently active 3 MODE button Press to determine which peripherals should be switched to another computer channel will occur when you press the COMPUTER button Page 10 724 746 5500 blackbox com 2 5 2 Bac
11. level V1 to V4 will be switched through to the user con sole DVI I connector that is at the same level From video monitors Figure 3 5 Connecting four video monitors to the user console Page 16 724 746 5500 blackbox com Chapter 3 Installation 5 Audio Where required connect the lead from your speakers to the audio connector See Figure 3 6 From speakers Figure 3 6 Connecting speakers to the user console 3 2 2 Computer Systems Each computer system is connected to the Wizard DVI DL unit using up to three cables To connect a computer system 1 Make sure that power is disconnected from the Wizard DVI DL unit and the system to be connected 2 Use a USB cable Type A to Type B to link a USB port on the computer system to the USB port of the required channel on the rear of the unit 3 If required use a stereo audio link cable 3 5 mm jacks at either end to link the speaker port on the computer system to the audio port of the required channel on the rear of the unit See Figure 3 7 From the speaker port on the computer Figure 3 7 Connecting a computer unit to the Wizard DVI DL unit 724 746 5500 blackbox com Page 17 ServSwitch Wizard DVI DL 4 Single head units Use a DVI cable or a VGA to DVI I adapter cable if using analog signals to link the video output of the com puter s graphic port to the DVI I port of the required channel on the rear of the unit See Figure 3 8 From the video
12. or more slave units as shown in Figure 3 14 Note that the synchronization cable deliberately does not have the transmit pin of the Slave End connector linked to the receive pin of the Master End connector To do so would cause the Slave unit to be able to switch the Master unit This would setup an endless cyclical switching sequence that would prevent the ServSwitch Wizard DVI DL devices from operating correctly For more details about the serial synchronization cables see Appendix C Serial synchronization cable Slave ServSwitch Wizard DVI DL Master ServSwitch Wizard DVI DL Slave monitor Master monitor Computers fitted with multiple video heads Figure 3 14 Synchronizing multiple units 724 746 5500 blackbox com Page 21 ServSwitch Wizard DVI DL 3 2 6 Managing EDID Video Display Information Whenever a ServSwitch Wizard DVI DL unit is powered on or when the option is selected from the configuration menu it will interrogate the connected monitor s to determine whether EDID Extended Display Identification Data information is available If EDID information is available it will be copied and used otherwise a default set of data stored within the ServSwitch Wizard DVI DL will be substituted The ServSwitch Wizard DVI DL units use the EDID emulation feature to ensure that the collected EDID information up to two pages is correctly supplied to
13. port on the computer Figure 3 8 Connecting the video output to the DVI I port NOTE A combined DVI D and USB Type A to B cable is also available for linking computers to the Wizard DVI DL unit During initial powerup the Wizard DVI DL unit will attempt to read the EDID information from the connected display s See Section 3 2 6 for details Multihead units Use DVI or VGA to DVI I adapter cables if using analog signals to link the video outputs of each computer to the DVI I ports on the rear of the unit see Figure 3 9 and the note below Figure 3 9 Connecting mutliple video outputs to the DVI I ports NOTE On the rear panel of the unit connectors belonging to the same channel are stacked vertically The connectors at each horizontal level V1 to V4 will be switched through to the user console DVI I connector which is at the same level See Figure 3 10 Page 18 724 746 5500 blackbox com Chapter 3 Installation Figure 3 10 Vertically stacked connectors linked to the same channels 3 2 3 Power In Connection The Wizard DVI DL unit is supplied with either a 12 5 W single head version or 20 W multihead versions power adapter There is no on off switch on the unit so operation begins as soon as the power adapter is connected To connect the power adapter 1 Attach the output lead from the power adapter to the 5V socke
14. their jobs with out any interference or any hit on performance However it means that a USB keyboard or mouse cannot be used to control the switching process a quick and simple control method expected by most users Switching reliability is also an issue that has plagued enumerated switches especially when used with certain USB devices and particular operating systems A 2 Emulated USB Switching The issues with interpreting the complex USB data streams and recreating or Emulating the identity of attached USB devices were eventually solved leading to the creation of the Emulated USB switch A neat side effect of the technique used is that each computer can be fooled into thinking that the USB device is permanently connected to it even when the device is switched to another computer This means that the enumeration process for the USB device takes place only once during the first power on After that a computer merely sees a dormant version of the USB device whenever the device is actually connected to a different computer However it remains a complex task to dynamically assume the identity of a USB device distribute it among the connected com puters and maintain all the necessary signals states and processes Therefore manufacturers have previously relied upon a fixed keyboard and mouse profile that is declared to each computer regardless of the actual connected devices This precluded the use of any special keyboard or mouse features
15. 400p at 70 Hz IBM VGA e 720 x 400p at 88 Hz IBM XGA2 e 640 x 480p at 60 Hz IBM VGA e 640 x 480p at 67 Hz Apple Mac II e 640 x 480p at 72 Hz VESA e 640 x 480p at 75 Hz VESA e 800 x 600p at 56 Hz VESA e 800 x 600p at 60 Hz VESA e 800 x 600p at 72 Hz VESA e 800 x 600p at 75 Hz VESA e 832 x 624p at 75 Hz Apple Mac Il e 1024 x 768i at 87 Hz IBM e 1024 x 768p at 60 Hz VESA e 1024 x 768p at 70 Hz VESA e 1024 x 768p at 75 Hz VESA e 1280 x 1024p at 75 Hz VESA e 1152 x 870p at 75 Hz Apple Mac II e 1600 x 1200p at 60 Hz VESA STD e 1680 x 1050p at 60 Hz VESA STD e 1360 x 765p at 60 Hz VESA STD e 1360 x 768p at 60 Hz e 1440 x 900p at 60 Hz VESA STD e 1280 x 720p at 60 Hz VESA STD e 1920 x 1080p at 60 Hz VESA STD Page 34 724 746 5500 blackbox com Appendix C Cable Pinouts Appendix C Cable Pinouts The OPTIONS port uses a 10p10c socket which can accommodate both 10p10c connectors as well as the much more common 8p8c connectors which are used on Ethernet leads and patch cables The pin outs are listed in this section for both types of con nector Serial remote control and flash upgrade cable 8p8c 8p8c connector DB9 female connector RD AA 1x0 GND Q GND TD O AD RxD Serial remote control and flash upgrade cable 10p10c 10p10c connector DB9 female connector RXD TXD GD 4 DD GND TD DAN RXD Multihead synchronization cable 8p8c Master end Slave end 8p8c connector 8p8c connector TXD
16. 500 or send an e mail to info blackbox com 724 746 5500 blackbox com Page 25 ServSwitch Wizard DVI DL To use the KVM Firmware Uploader utility 1 Obtain and run the KVM Firmware Uploader Contact Black Box Technical Support at 724 746 5500 or info blackbox com Download the latest ServSwitch Wizard DVI DL unit KVM Firmware Uploader from Black Box Technical Support and install it on a Windows based upgrade computer that will be connected to the ServSwitch Wizard DVI DL unit The files are supplied as a compressed ZIP file Decompress the ZIP file with an appropriate tool such as WinZip www winzip com and copy all contained files to the same folder on the upgrade computer N Power off the ServSwitch Wizard DVI DL unit Remove the power supply plug from the rear panel of the unit W Connect the upgrade computer to the ServSwitch Wizard DVI DL unit Connect the serial port of the upgrade computer to the OPTIONS port on the rear panel of the unit using the optional upgrade cable 4 Invoke upgrade mode While powering on or when already powered Press and hold the COMPUTER and MODE buttons for up to ten seconds until the numeric indicator shows U ul Run the KVM Firmware Uploader utility From that folder select the KVMUploader icon to run the upgrade utility The KVM Firmware Uploader dialog will be displayed as shown in Figure 4 1 KVM Firmware Uploader BLACK BOX File to upload Select upload file B
17. May 2010 X KV2004A KV2304A lt gt BLACK BOX KV2204A KV2404A NETWORK SERVICES 7 TEE Customer Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 e Support FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 e Inf ti Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 e JUS et Web site www blackbox com E mail infoO blackbox com ServSwitch Wizard DVI DL Trademarks Used in this Manual Black Box and the Double Diamond logo are registered trademarks and ServSwitch Wizard is a trademark of BB Technologies Inc Apple and Mac are registered trademarks of Apple Computer Inc IBM is a registered trademark of International Business Machines Corporation Linux is a registered trademark of Linus Torvalds Windows is a registered trademark of Microsoft Corporation Sun is a registered trademark of Sun Microsystems Inc Unix is a registered trademark of UNIX System Laboratories Inc Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners We re here to help If you have any questions about your application or our products contact Black Box Tech Support at 724 746 5500 or go to blackbox com and click on Talk to Black Box You ll be live with one of our technical experts in less than 20 seconds Page 2 724 746 5500 blackbox com FCC and IC RFI Statements Fed
18. NE DACE DE INDOOR USE ONLY mo omo O O d y O ae O ae CHHL Fa O O Os a O ca 5 4 03 02 0 ll D D D D 12 4 5 6 8 9 10 9 Figure 2 5 Back panel Table 2 4 Back panel components Number Component Description 4 Barrel connector Power input or power supply connects here 5 2 USB Type A connectors Connect the console s USB keyboard and mouse to these connectors 6 3 5 mm RCA connector User console audio port Connect optional speakers to this connector 7 4 DVI I connectors Connect the console s DVI I monitor to this port 8 RJ 45 port Options port This 10p10c port is used to update the internal firmware when necessary by connectng to a computer 9 4 USB Type B connectors Connect to the computer s USB port 10 4 3 5 mm RCA connectors Computer audio port connect to the computer s audio output socket or sound card 11 16 DVI I connectors Connect to the computer s video output or graphics card 12 2 USB Type A connectors Connect to USB 2 0 peripheral devices 724 746 5500 blackbox com Page 13 ServSwitch Wizard DVI DL 3 Installation 3 1 Mounting There are two main mounting methods e Via the 4 supplied self adhesive rubber feet e Via optional rackmount brackets RMK4007 for KV2004A Call Tech Support
19. aea a ong suganenyas Secadtacangedanencers dalla nabgedsacabeawealacendes 4 3 Perto rmind Uparades nemen ee EE aida 5 Operation ati daa totes 28 5 1 Selecting a COMP UTC Rese tocara ltda cani bling cmd 28 5 1 1 Selecta Computer Using the Front Panel cian niei on cada 28 512 Selecta Computer Using HOtKEYS itseen a e a na 29 5 1 3 Select a Computer Using the Mouse Buttons cccecceeeeeeeceeeeeeeeeeeceeececeeeseeceaeecaeeseeecaeeseeeseneeseaeesneeteteseneeas 30 5 2 A AS 30 Appendix A Whats True Emulation aa a ita 32 A 1 Enumerated USB WIN cs aaa 32 A 2 Emulated USB SM iaa 32 A 3 E ae iar aAa 32 Appendix B Default EDID Video MOd S accio curo dale E ER balers 34 Appendix C Cable PINGUS siisii A EN ES 35 Appendix D Safety Ino as 36 724 746 5500 blackbox com Page 5 ServSwitch Wizard DVI DL 1 Specifications Approvals CE FCC Hardware Compatibility All computers with USB interfaces Software Compatibility Operates with all known software and operating systems including Windows Linux Unix BSD all Sun OS all Mac OS NetWare etc Connectors KV2004A User Console 1 DVI I F dual link support 2 USB Type A F for keyboard and mouse emulated 2 USB Type A F for USB 2 0 peripheral support not emulated 1 3 5 mm audio jack Computer Channels 4 DVI I F dual link support 4 USB Type B F 4 3 5 mm stereo jack Other 1 barrel power jack 1 RJ 45 10P10C options port for serial up
20. do da ada Page 4 724 746 5500 blackbox com Table of Contents Table of Contents 1 SECCION wreeaie Seder tugs horsia rta a dates ala Teaches aa a 6 2 OVINA aia 8 2 1 PME OCLG GU OM PPC PE TO RRA 8 2 2 FOATUIOS sic caan candivasbu sade ies A A dd ide 8 2 3 What SIM CICS AA UE 7 SEE OOOO ctensseneducssanstaseateapasunscesagatedan tenitiecdtas tees Seine cides eceseducts 9 2 4 Additional tems You May N G coin A etind A A A AA AA 9 2 5 Hardware Description Single Head Version KV2004A ccccccccccececcceeeesecceceeeeeseseeesetaeeeenseseseseeestsesesseeseteeeenseeeee 10 2 5 1 Font Panels assa a a e a aa id aa a 10 2 5 2 Back Ramen o aaa 11 2 6 Hardware Description Multi Head Versions KV2204A KV2304A and KV2404A ooooocccocccoocnnonnnoonnoonnnonnnnonnnnnnononnnnnos 12 2 6 1 Montre a ad lidad Mattie R 12 2 6 2 A A A ad aA 13 3 installation seosed E E T E A EAE EE E O E 14 3 1 RR aidaa 14 3 2 GOMES TOMS cando ica 14 3 241 ON 14 3 2 2 Computer System Saca Ren aa nde ed ea ee ed ese eae E 17 323 Power ln COMEN usada rte 19 3 2 4 SwitehinaControl by Complt R is dap e a e 20 3 2 5 Synehronizing Multiple Units siris iia ida 21 3 2 6 Managing EDID Video Display Information 22 4 CONTIQUIAION axe ctic sees disesddgadlgeeg a a a iras aes acest 4 1 Using the Configuration Menu 4 2 General Configuration 4 2 1 CHARGING OK yr Abadia 4 2 2 Mouse WII iio 4 2 3 Misc llaM Ous FUNCIONS sessista sanan aai a
21. ects channel 3 Ctrl Alt 4 Selects channel 4 Ctrl Alt Tab Isolates the user console from all channels Selects the next channel Choosing which computers are accessed when using hotkeys tab The computer channels that are selected when you use the hotkeys tab or mouse buttons autoscan are determined by a setting within the Configuration menu 1 Enter the Configuration menu 2 Press U and then press either 7 to choose Cycle all ports or 8 to choose Cycle only active ports 3 Press Enter to accept the setting and return to the main menu section 4 Press E and then Enter to exit the menu and save changes Additional hotkey press combinations In addition to the standard hotkey press combinations shown above you can also add additional keypresses to determine which peripherals are switched 1 Simultaneously press and hold Ctrl Alt and hold while pressing and releasing a command key A to switch all peripherals S to switch only the speakers K to switch only the keyboard video and mouse U to switch only USB1 and USB2 2 Press and release the required channel number 1 to 4 using only the keys above the QWERTY section 3 Release Ctrl and Alt 724 746 5500 blackbox com Page 29 ServSwitch Wizard DVI DL The appropriate peripherals will change to the chosen channel NOTE Regardless of which peripherals were switched the front panel indicators will continue to show the switching mode that was last determined u
22. elect a specific channel using the hotkeys channel number 724 746 5500 blackbox com Page 31 ServSwitch Wizard DVI DL Appendix A What Is True Emulation True Emulation represents a significant breakthrough in sharing USB devices between two or more computer systems Until this point the problem has been how to create a USB switch that provides all the following e Quick transparent and reliable switching e Accurate representation of the connected USB keyboard and mouse e Switching control via the connected USB keyboard and or mouse The difficulty in achieving all the above requirements has been because of the complexity of the USB standard This has led to var ious problems that have produced a number of possible solutions A 1 Enumerated USB Switching The earliest attempts to switch USB devices applied a relatively hands off approach Enumerated USB switches are the electronic equivalent of those old mechanical KVM switches with a large knob on the front Enumerated switches are so called because a connected USB device will be required to perform a full initiation a process called Enumeration every time it is switched just as if you had pulled out the plug and then reconnected it Enumerated switches simply pass all signals straight through between the USB device and the computer they do not attempt to interpret any data For most devices this offers an advantage because the switch just leaves them to get on with
23. eral Communications Commission and Industry Canada Radio Frequency Interference Statements 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 B 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 is likely to 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 party responsible for compliance could void the user s authority to oper ate the equipment This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of Industry Canada 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 lectrique publi par Industrie Canada 724 746 5500 blackbox com Page 3 ServSwitch Wizard DVI DL In strucc
24. grade or RS 232 switching KV2204A User Console 2 DVI I F dual link support 2 USB Type A female for keyboard and mouse emulated 2 USB Type A F for USB 2 0 peripheral support not emulated 1 3 5 mm stereo jack Computer Channels Video 8 DVI I F dual link support 4 USB Type B F 4 3 5 mm stereo jack Other 1 barrel power jack 1 RJ 45 10P10C options port for serial upgrade or RS 232 switching KV2304A User Console 3 DVI I F dual link support 2 USB Type A F for keyboard and mouse emulated 2 USB Type A F for USB 2 0 peripheral support not emulated 1 3 5 mm stereo jack Switched USB 2 USB Type A USB 2 0 emulated Computer channels 12 DVI I F dual link support 4 USB Type B F 4 3 5 mm stereo jacks Other 1 barrel power jack 1 RJ 45 10P10C options port for serial upgrade or RS 232 switching KV2404A User Console 4 DVI I F dual link support 2 USB Type A F for keyboard and mouse emulated 2 USB Type A female for USB 2 0 peripheral support not emulated 1 3 5 mm stereo jack Computer Channels 16 DVI I F dual link support 4 USB Type B F 4 3 5 mm stereo jack Other 1 barrel power jack 1 RJ 45 10P10C options port for serial upgrade or RS 232 switching Operating Temperature 32 to 104 F 0 to 40 C Page 6 724 746 5500 blackbox com Chapter 1 Specifications Power 2 5 mm DC jack power adapter included Input 100 240 VAC 50
25. her while a third is sending documents to your printer and a fourth is performing another task with a different USB peripheral The ServSwitch Wizard DVI DL front panels make it easy to control which peripherals should connect to each system The ServSwitch Wizard DVI DL units feature True Emulation see Appendix A which ensures that the full characteristics of the connected keyboard and mouse are passed to every system 2 2 Features Multiscreen Versions The ServSwitch Wizard DVI DL includes separate models to support one two three or four video heads per channel Multiple Switching The attached peripheral devices can be switched collectively to any computer system or they can be linked to separate systems to achieve multiple tasks in parallel Multiple switching can be controlled from the front panel buttons keyboard hotkeys mouse buttons or optional 4 button key switch unit This unit does not support On Screen Display OSD control Digital and Analog Video The ServSwitch Wizard DVI DL uses DVI I Integrated connectors throughout so that DVI digital or VGA analog video may be used VGA requires the use of suitable adapter cables Do not mix and match analog and digital inputs at the same time True Emulation Earlier USB KVM switches relied upon standard keyboard and mouse templates to tell each computer system how to deal with the connected peripherals The ServSwitch Wizard DVI DL range gathers the true identities of the c
26. iones de Seguridad Normas Oficiales Mexicanas Electrical Safety Statement 1 2 3 4 5 oN OD so 10 11 Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situad
27. k Panel Figure 2 3 shows the back panel of the ServSwitch Wizard DVI DL Table 2 2 describes its components 7 11 Chapter 2 Overview 11 11 11 OODOD000 plo ooo00000 Sooooooo e R SOLE lt EERRRRERES EE 23 22 3 2 w E S x e fe ra zZ V 5 ol 0 ere E nt Figure 2 3 Back panel Table 2 2 Back panel components 4 5 6 8 Number Component 4 Barrel connector 5 2 USB Type A connectors 6 3 5 mm RCA connector 7 DVI I connector 8 RJ 45 port 9 4 USB Type B connectors 10 4 3 5 mm RCA connectors 11 4 DVI I connectors 12 2 USB Type A connectors Description Power input or power supply connects here Connect the console s USB keyboard and mouse to these connectors User console audio port Connect optional speakers to this connector Connect the console s DVI I monitor to this port Options port This 10p10c port is used to update the internal firmware when necessary by connectng to a computer Connect to the computer s USB port Computer audio port connect to the computer s audio output socket or sound card Connect to the computer s video output or graphics card Connect to USB 2 0 peripheral devices NOTE The OPTIONS port uses a 10p10c socket which can accommodate both 10p10c connectors as well as the much more common 8p8c connectors which are used on Ethernet leads and patch cables The pin outs for both types of connectors
28. lugged into the wall outlet does not exceed the wall outlet s ampere rating Page 36 724 746 5500 blackbox com Black Box Tech Support FREE Live 24 7 Tech support the way it should be A Great tech support is just 20 seconds away at 724 746 5500 or blackbox com lt BLACK BOX About Black Box Black Box Network Services is your source for more than 118 000 networking and infrastructure products You ll find everything from cabinets and racks and power and surge protection products to media converters and Ethernet switches all supported by free live 24 7 Tech support available in 20 seconds or less Copyright 2010 All rights reserved Black Box and the Double Diamond logo are registered trademarks of BB Technologies Inc Any third party trademarks appearing in this white paper are acknowledged to be the property of their respective owners 724 746 5500 blackbox com
29. ndicates the number of the that will be switched during the next currently selected computer Press es of the COMPUTER button COMPUTER Multihead models only The V1 to V4 indicators show which video monitors are switched to the current computer channel Use this button to choose the next required computer Figure 5 1 Front panel buttons 1 Optional If you need to selectively switch some of your peripherals press the MODE button repeatedly to change the switching mode It toggles through the different selections Press the MODE button until the KVM SPK USB1 USB2 LEDs are all lit to switch all peripherals together Press the MODE button until the KVM and SPK LEDs are both lit to switch keyboard video mouse and speakers Press the MODE button until the KVM LED is lit to switch only the keyboard video and mouse Press the MODE button until the SPK LD is lit to switch only the speakers Press the MODE button until the USB1 LED is lit to switch only USB peripheral 1 Press the MODE button until the USB2 LED is lit to switch only USB peripheral 2 NOTE If an indicator flashes it signifies that the respective peripheral is currently switched to another computer channel 2 Press the COMPUTER button repeatedly to select the required computer channel Page 28 724 746 5500 blackbox com Chapter 5 Operation 5 1 2
30. o fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato 12 Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n del equipo no sea eliminada 13 Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos poniendo particular atenci n a los contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n 18 Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido ha sido derramado dentro del aparato o C El aparato ha sido expuesto a la lluvia o D El aparato parece no operar normalmente o muestra un cambio en su desempe o o E El aparato ha sido tirado o su cubierta ha si
31. om Chapter 3 Installation From USB keyboard and mouse Figure 3 2 Connecting the keyboard mouse to the user console NOTE The unit s True Emulation feature will read the full characteristics of the keyboard and mouse and will present those to each connected computer concurrently This ensures that specialized keyboards and mice are fully supported 3 USB devices Where required attach the leads from your USB peripherals to the USB connectors labeled USB1 and USB2 See Figure 3 3 Figure 3 3 Connecting USB peripherals to the user console 4 Video monitor s DVI I integrated video ports are used throughout to enable digital DVI and or VGA analog via adapter cables signals to be switched as required 724 746 5500 blackbox com Page 15 ServSwitch Wizard DVI DL Single head units Attach the lead from the video monitor to the DVI I connector of the user console area See Figure 3 4 From video monitor Figure 3 4 Connecting a video monitor to the user console NOTE During initial powerup the ServSwitch Wizard DVI DL unit will attempt to read the EDID information from the connected display s See Section 3 2 6 for details Some displays require the EDID function to be encoded manuallly see Section 4 2 3 for details Multihead units Attach the lead from each video monitor to a DVI I connector of the user console area See Figure 3 5 NOTE On the rear panel of the unit the connectors at each horizontal
32. on response to this is usually immediate however during an erase command the upload will not be aborted until the erase is complete this may take a few seconds 9 Cycle the power Disconnect the power When the power is re applied the ServSwitch Wizard DVI DL unit will operate using the new firmware Issues to consider when performing flash upgrades The upgrade program rewrites the internal firmware code If the upgrade process is interrupted then the unit will have invalid code and will not be able to operate It is therefore good practice to make sure that the upgrade process is always fully completed A partial or failed upgrade may be rectified by performing another upgrade WARNING Running faulty or partially upgraded code may have unpredictable results and may damage your ServSwitch Wizard DVI DL unit or computing equipment 724 746 5500 blackbox com Page 27 ServSwitch Wizard DVI DL 5 Operation 5 1 Selecting a Computer There are three main ways to switch the common peripherals to specific computer channels e Using the front panel controls e Using hotkeys e Using mouse button presses 5 1 1 Select a Computer Using the Front Panel The front panel allows you to determine how the various peripherals are switched to one or more computer channels The KVM SPK USB1 and USB2 indicators show which peripherals are switched to the current computer channel OR as you begin pressing the MODE button the peripherals I
33. on menu 2 Press F to enter the Functions menu 3 Press 2 and then Enter 4 Press E and then Enter to exit the menu and save changes To reset configuration to factory defaults 1 Enter the Configuration menu 2 Press F to enter the Functions menu 3 Press 8 and then Enter The display will show r momentarily 4 Press E and then Enter to exit the menu and save changes To show the current firmware version 1 Enter the Configuration menu 2 Press F to enter the Functions menu 3 Press 1 and then Enter The display will blank for a short while and then the major number of the firmware revision will be shown The display will blank again and then show the first digit of the minor number Following another blank the second digit of the minor number will be displayed for example lt blank gt 1 lt blank gt O lt blank gt 2 lt blank gt equals v1 02 4 Press E and then Enter to exit the menu and save changes 4 3 Performing Upgrades The The Wizard DVI DL unit is fully upgradable via Flash upgrade Such upgrades require a Windows based computer system to be linked via the OPTIONS port Items required to perform an upgrade include e Optional upgrade cable see Appendix C for pinout specifications e A Windows based upgrade computer with an RS 232 serial port e The latest version of the KVM Firmware Uploader and firmware files for the ServSwitch Wizard DVI DL unit available from Black Box Technical Support call 724 746 5
34. on menu as described below To start autoscanning mode press Ctrl Alt X on the keyboard To select an autoscan mode 1 Enter the Configuration menu 2 Press U and then press either 7 to choose Cycle all ports or 8 to choose Cycle only active ports 3 Press Enter to accept the setting and return to the main menu section 4 Press E and then Enter to exit the menu and save changes NOTE The setting of this option also affects which computers are visited when the channel is changed using the mouse buttons or hotkey tab To select an autoscan period 1 Enter the Configuration menu 2 Press T and then press either 1 to choose Autoscan disabled 2 to choose 2 seconds 3 to choose 5 seconds 4 to choose 7 seconds 5 to choose 15 seconds 6 to choose 30 seconds 7 to choose 1 minute or 8 to choose 5 minutes 3 Press Enter to accept the setting and return to the main menu section 4 Press E and then Enter to exit the menu and save changes To start autoscanning e On the keyboard press Ctrl Alt X NOTES Using autoscanning mouse switching and hotkey tab disables interactivity between computers During autoscanning only the KVM and speaker ports are switched to each visited computer channel The two USB device ports remain connected to their currently selected channels To stop autoscanning You can stop the autoscanning process in either of the following ways e Press the COMPUTER button on the front panel or e S
35. onnected keyboard and mouse and presents those real profiles concurrently to every system Thus specialized keyboards and mice can be fully supported Intelligent Display Information The ServSwitch Wizard DVI DL uses an EDID emulation feature to ensure that all computers are supplied with the correct informa tion about each connected video display It supports hybrid DDC routing DDC is emulated when not selected and switched through when selected This enables DDGCI DDC Command Interface to be supported Page 8 724 746 5500 blackbox com Chapter 2 Overview USB Remote Wakeup The ServSwitch Wizard fully supports the USB Remote Wakeup feature Any connected computer can go into sleep mode and be awakened when its channel is selected as soon as you press a key or move the mouse Note that the computer and peripherals must also support the USB Remote Wakeup feature DSSS Wizard DVI DL Figure 2 1 Typical application 2 3 What s Included Your package should contain the following items If anything is missing or damaged contact Black Box Technical Support at 724 746 5500 or info blackbox com e ServSwitch Wizard DVI DL unit KV2004A or ServSwitch Wizard DVI DL Multihead unit KV2204A KV2304A or KV2304A e 12 5 watt or 20 watt power adapter and country specific power cord e 4 self adhesive feet e CD ROM containing this user s manual in PDF
36. over and above the standard layouts A 3 True Emulation Considering the limitations associated with the previous USB switching techniques a more effective solution was created After a great deal of research and development True Emulation is the result True Emulation enables the complete identity of the keyboard and mouse to be copied and then presented to all the connected computers This means that any keyboard offering special function keys or any mouse with extra features will be fully supported at each computer As with the previous emulation method the unselected computers will continue to see the identities of the keyboard and mouse which means that no enumeration is necessary when their link becomes active once again This not only helps to speed up the rate of reconnection it also increases switching reliability because USB links are at their most vulnerable during the enumeration process True Emulation relies upon a high speed circuit called an Emulation Engine to fully emulate the USB device identities and also interpret keyboard and mouse data streams The result is full support for KVM switching control via hotkey presses or the third button scroll wheel of a mouse Page 32 724 746 5500 blackbox com Appendix A What is True Emulation True Emulation is not necessarily required by other USB devices which is why you will also find two enumerated circuits included shown in green within the block diagram alongside the Tr
37. rowse Intended Target Units Upload file unit unknown Help New firmware version Upload file version unknown Advanced No upload file data available Unit connected Target unit unknown Query Unit Current firmware version Target version unknown Upload Now Waiting For user input Abort Figure 4 1 KVM Firmware Uploader utility screen 6 Query the ServSwitch Wizard DVI DL unit Click the Query Unit button to confirm that communication is possible with the ServSwitch Wizard DVI DL unit and to establish its firmware details If successful the Unit connected field should show the name of the ServSwitch Wizard DVI DL unit and the current firmware will also be listed If the application cannot contact the ServSwitch Wizard DVI DL unit re check the connection cable and click the Advanced button to check that the correct serial port is being used Change the serial port within the Advanced section if necessary NOTE There is no need to adjust the computer s serial port settings because the application will do this automatically 7 Select the upgrade file you want to use From the main KVM Firmware Uploader dialog click on the the Browse button and select the upgrade file DVIDL4_xxx txt where xxx is the firmware version The upgrade file details will be displayed within the dialog Page 26 724 746 5500 blackbox com Chapter 4 Configuration IMPORTANT Check that the
38. sing the front panel controls 5 1 3 Selecting a Computer Using the Mouse Buttons Using the mouse buttons you can quickly switch the keyboard mouse video monitor s speakers and or USB peripherals to any computer channel NOTE These procedures only work with three button or IntelliMouse devices and only if the Mouse Switching option is enabled To select a computer using the mouse buttons 1 Hold down the middle button or scroll wheel of the mouse 2 Click the left mouse button to increase the channel number or click the right mouse button to decrease the channel When you reach the correct channel release the middle button When using this method of switching e The computer channels that are selected depend upon the configuration menu setting e The ports KVM audio and or USB that are switched using this method depend upon the switching mode that is currently set using the front panel buttons Choosing which computers are accessed when using mouse buttons The computer channels that are selected when you use the mouse buttons or hotkeys tab autoscan are determined by a setting within the Configuration menu 1 Enter the Configuration menu 2 Press U and then press either 7 to choose Cycle all ports or 8 to choose Cycle only active ports 3 Press Enter to accept the setting and return to the main menu section 4 Press E and then Enter to exit the menu and save changes 5 2 Autoscanning When enabled the au
39. t a computer remote control 1 Insert the 8p8c or 10p10c connector of the cable to the OPTIONS port on the rear panel of the unit Figure 3 13 Connecting a computer remote control 2 Connect the other end of the cable to a vacant serial port on the computer Page 20 724 746 5500 blackbox com Chapter 3 Installation Serial port parameter settings Make sure that the chosen serial port is configured as follows e Baud rate 1200 e Data bits 8 e Stop bit 1 e Parity None For channel selection codes see Table 3 1 Table 3 1 Channel selection codes Number ASCII Hex Decimal Channel 1 1 0x31 49 Channel 2 2 0x32 50 Channel 3 3 0x33 51 Channel 4 4 0x34 52 3 2 5 Synchronizing Multiple Units ServSwitch Wizard DVI DL units can be connected together so that they operate in a synchronized manner Thus two KV2004A units can be made to switch two video heads in a similar manner to an KV2204A Additonally two KV2204A dual units could be made to resemble an KV2404A quad while two KV2404A units could be combined in order to switch up to eight video heads simultaneously Whenever a ServSwitch Wizard DVI DL channel is switched it sends an RS 232 command out on its serial interface marked OPTIONS on the rear panel A ServSwitch Wizard DVI DL will switch its channel if it receives the same command on its serial interface Consequently by linking the serial interfaces a master unit may be made to automatically switch one
40. t on the rear panel of the unit See Figure 3 11 Figure 3 11 Connecting the power adapter 724 746 5500 blackbox com Page 19 ServSwitch Wizard DVI DL 2 Connect the IEC connector of the supplied country specific power lead to the power adapter s connector See Figure 3 12 Figure 3 12 Connecting the power lead to the power adapter s connector 3 Connect the power lead to a nearby power outlet NOTE Both the unit and its power supply generate heat when in operation and will become warm to the touch Do not enclose them or place them in locations where air cannot circulate to cool the equipment Do not operate the equipment in ambient temperatures exceeding 104 F 40 C Do not place the products in contact with equipment whose surface temperature exceeds 104 F 40 C 3 2 4 Switching Control by Computer The OPTIONS port featured on every ServSwitch Wizard DVI DL enables an external serial input typically from a computer to control the selection of the various channels For more details about the necessary cable see Appendix C Upon receipt of the correct code the ServSwitch Wizard DVI DL switches immediately to the appropriate channel Connecting a computer for remote control The cable link from the computer needs to connect the transmit TXD line of the computer to the receive RXD input of the Wizard DVI DL and also link the ground terminals GND of the two devices See Appendix C for details To connec
41. toscan mode switches between the connected computers in sequence Use this to sample activity among the connected computers Two scanning modes are available e Cycle all ports This mode selects in turn each connected computer Use this mode with care see the CAUTION below To prepare for this autoscan mode choose within the configuration menu as described on the next page e Cycle only active ports Only computer ports where an active computer is detected will be viewed This mode keeps blank screens from being displayed and helps to prevent the viewing monitor from entering a power down state on every scan cycle Additionally when this mode is selected whenever you use either the mouse buttons or hotkeys tab to change channels only computers that are active will be selected To prepare for this autoscan mode choose within the configuration menu as described on the next page CAUTION Many monitors are fitted with automatic power saving relays that switch off after a few seconds when connected to an inactive computer If you are using this type of monitor do not use the Cycle all port mode Continously switching the monitor s relay on and off will eventually damage the monitor Page 30 724 746 5500 blackbox com Chapter 5 Operation Seven autoscan periods are available the time spent viewing each computer ranging from 2 seconds to 5 minutes To select the autoscan period choose T and then 2 to 8 within the configurati
42. ue Emulation feature shown in blue This allows those other USB devices to operate at their highest speeds without any intervention The enumerated circuits benefit greatly from the USB hubs that are jointly used with the True Emulation system Because they interface directly and permanently with each computer they help to stabilize the dormant links making errors during enumeration much less likely The dual switching arrangement provides further flexibility because the True Emulation and enumerated sections can be switched in unison or independently of each other as required Thus your various peripherals can operate with different computers at the same time HOST CONTROLLER Figure A 1 Emulated and enumerated switching The emulated section of the switch is shown in blue and handles only the keyboard and mouse The green enumerated section of the switch handles other USB devices and also uses the USB hubs to link with the computers 724 746 5500 blackbox com Page 33 ServSwitch Wizard DVI DL Appendix B Default EDID Video Modes The following digital video modes are defined within the default EDID information held by the ServSwitch Wizard DVI DL units This information is used only if no new EDID information is made available by the attached video monitor s The ServSwitch Wizard DVI DL units support video resolutions and refresh rates in excess of those listed here e 1024 x 768p at 60 Hz native preferred timing e 720 x
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