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1.       Figure 4 3  OSD location   To bring up the hotkey menu if it is enabled   Press Left Ctrl   Left Ctrl within two seconds   OR    Press Left Ctrl   Left Ctrl   Left Ctrl within two seconds to display a KVM  Menu screen showing a list of the computers with corresponding port numbers   names  and statuses     The port number of the currently selected computer is displayed in red  same as  the front indicator  at the upper right corner of the OSD menu     The color of a device name is green if it has power and is ready for operation  The  device name is white if it has no power  OSD menu updates the color when it is  activated     Using the up arrow  down arrow  or number 1 to 8 keys  highlight computer   then press the Enter key to select it  Or  press the Esc key to exit OSD and remove  the OSD menu from the display  the status window returns to the display and  indicates the currently selected computer or operating status        Page 16 724 746 5500   blackbox com    Chapter 4  Operation    An eyemark to the right of a name indicates that computer is selected and moni   tored in Scan mode  In the OSD  you can switch this mark on or off by pressing  the F2 key     Press the Esc key to exit OSD and return to the selected computer  the computer  name is also shown on this screen     Function key F1  Use this key to edit the name entry of a computer or a slave  with up to 14 characters  First  highlight a port and then press F1 and enter the  computer name  Valid characters 
2.      Power on computers     e Set the proper Scan type in OSD and determine which PCs are eyemark  selected     e Press the Left Ctrl key twice to abort autoscan mode     e Press any front panel button to select a PC  and autoscan stops     Symptom  The up arrow and down arrow keys do not work in manual scan   Causes     e All PCs are off or only one PC is powered on  Scan mode works for powered on  computers only     e Scan type is eyemark selected but no PC is eyemark selected in OSD   Solutions      Power on computers      Press any other key to abort manual scan mode     e Set the proper scan type in OSD and determine which PCs are eyemark  selected        Page 26 724 746 5500   blackbox com    Appendix  Troubleshooting    Symptom  The OSD menu is not in the proper position     Cause  The OSD menu has fixed resolution and its size varies as computer video  resolution changes     Solution  Use F4  More Position to select upper left  UL  or upper right  UR   The  OSD menu may appear near the middle of the screen when lower left   LL  or lower right  LR  is selected     Symptom  The keyboard or mouse cannot function normally   Cause  The connection of keyboard mouse may be reversed     Solution  Make the connection pattern right  Change the connection status for  keyboard mouse     Symptom  Keyboard strokes are shifted   Cause  The computer was in shifted state when last switched     Solution  Press both SHIFT keys     Symptoms  Computer hangs up while switching computer   C
3.     Supports dual head video with optional VGA output for the primary video head     e Great for dual display workstations in financial  banking  engineering  graphics   and healthcare applications       Provides complete control with an easy to use OSD interface    e Supports dual view function    e Supports EDID    e Autoscan function automatically selects computers sequentially    e Front panel push buttons and hotkeys make computer selection easy   e USB peripheral sharing eliminates the expense of duplicate devices       Unique Tracking System enables the USB  or audio  devices to operate  independently       Assigns computers with unique and meaningful names    e Identifies and selects computers by their names    e Programmable scan filters unused computers    e Stores system settings and name entries in non volatile memory     e Password security locks computer from unauthorized access        Page 8 724 746 5500   blackbox com    Chapter 2  Overview      Operating system is independent and transparent to all applications    e Plug and play system configuration    e Keyboard and mouse can be hot plugged at any time    e DDC2B compatible    e Supports Windows and Mac host systems   e Compatible with XGA  SXGA  UXGA  WSXGA   Full HD  WUXGA systems     2 3 What s Included  e  1  ServSwitch DT Dual Head DVI USB  8 Port    e  1  12 V  4 A external power supply  e  1  U S  power cord   e  1  set of rubber feet   e  1  user manual    2 4 System Requirements  2 4 1 Console Side
4.    Cornsole SIdG utr ttes ette ades 9  2 4 2 Computer Sides iita ets etr erste teen ere E ER trud 9  24 3  CADES rr tempe entiers ete 9  2 5 Hardware Description siess iersinii eiea 10  3   Installation 12  Sl PG BIOS NOICE seeren HEURE HE 12  3 2 Device Connection    12  3 23  Console CONNECUOMN acatar 12  3 2 2 Computer Connection               ssssssss e 13  de   Opefalofi  piece ee  15  4 1 Push BUTtONS eene 15  ANY SCAM Time  i crt terere ries e e i 15  ZA AUTOSCAN ice otc eben uera tdt 15  42 LERNO m 15  4 3 OSD  On Screen Display     15  AA Hotkey COMMANGS   uio eren a ates 21  Appendix  Troubleshooting sesiet kerine noei nnns 24  A   Problems Causes Solutions                 sssssssssssee 24  AZ Contacting  Black BOX  ote eei He dre ied bb tede 28  A 3 Shipping and Packaging                 sssssssssssss 28  Page 6 724 746 5500   blackbox com    Chapter 1  Specifications    1  Specifications    Automatic Scan Interval     3  8  15  and 30 seconds  Hotkey Control     Yes   Hot Plug and Play     Yes   On Screen Display     Yes   Operating Systems Supported     Windows  and Mac   Programmable Scan Pattern     Yes   Video Bandwidth     1920 x 1200  WUXGA    User Controls      8  front panel push buttons    Connectors     Console side  Video   2  DVI I F   1  HD15 F  VGA  for primary   channel video  first video port    Keyboard mouse   2  USB Type A F    Peripherals   2  USB Type A F    Audio   2  3 5 mm jacks  stereo audio and microphone     CPU side  Video input   16  D
5.    ijo                                                                                     PC 8    Figure 3 2  Connecting the computer           oipny       Page 14 724 746 5500   blackbox com    Chapter 4  Operation  4  Operation    Figure 4 1 shows the push buttons and LED indicators on the switch s front panel         lt  gt  BLACK BOX    status Select mw lackbox com    o  od og POWER  7 8    O 0000 O   O20       ServSwitch DT DVI Dual Head          Figure 4 1  Front panel     4 1 Push Buttons    Use the push buttons on the front panel to select computers  and set scan time  and scan mode     4 1 1 Scan Time  Set the scan time duration for 3  8  15  or 30 seconds     4 1 2 Autoscan  Press the 7 and 8 push buttons for two seconds to start autoscanning     4 2 LED Indicators    The corresponding LED lights red to indicate that port is selected  If the  corresponding LED flashes red  the port is either in autoscan or manual scan  mode  The corresponding LED lights green when the port connects to a  powered on computer     4 3 On Screen Display  OSD     KVM MENU    SALES DOMESTIC  SALES US  SALES EURO  SALES ASIA  FINANCIAL 1F  FINANCIAL 2F   7   RD HARDWARE   8   RD SOFTWARE    F1 Edit F4 More  F2 S   Switch Esc Quit  F3 Security       Figure 4 2  OSD screen        724 746 5500   blackbox com Page 15    Chapter 4  Operation    VGA with       OSD i   OSD                                                                                           GSO YHM  Ad                   DVI 
6.   Appendix  Troubleshooting    Appendix  Troubleshooting    Make sure that all cables are well seated  Check that the keyboard mouse cables  are not swapped  Label and bundle the cables for each computer to avoid  confusion when connected to the KVM switch     A 1 Problems Causes Solutions  Symptom  Mouse does not work     Causes      Too many mouse drivers are installed in the computer    e In Auto Scan  keyboard and mouse are not operable    Solutions      Make sure that there is only one mouse driver installed in each computer   e Remove all unnecessary keyboards and mouse drivers     e Press any front panel button to select a computer  then use the keyboard  and mouse     Symptom  Newly installed USB device does not work   Causes    e Improper device driver    e Device consumes too much power    e Device consumes too much power instantaneously   e Improper device initialization     e When the unit works under self power  that is  no power supply is added    it supports a maximum of 100 mA as per USB specifications     Solutions     e Re install the device driver        Page 24 724 746 5500   blackbox com    Appendix  Troubleshooting    e The device should be self powered  Add a power adapter to the device     e  f the device does not have a power jack  add a power adapter with 9 12 VDC  and less than 1 A current rating to the unit       Make sure the USB cable is well seated for good communications     e Remove all power sources to the unit by unplugging all USB A B cable
7.   Read Only memory     e Default  The display configuration will follow the factory default setting     NOTE  When users plug both the DVI and VGA monitor into the video ports on  the switch  the DVI  DVI1  EDID data has the priority over the VGA EDID  data     NOTE  The system will automatically Copy the DVI EDID data as the system video  display setting when it detects the DVI  DVIT  monitor connection     Esc  To exit the OSD  press the Esc key        Page 20 724 746 5500   blackbox com    Chapter 4  Operation    4 4 Hotkey Commands    A hotkey command is a short keyboard sequence for selecting a computer   activating computer scan  etc  A hotkey sequence starts with two Left Ctrl  keystrokes  successively in 0 2 seconds  followed by one or two more keystrokes   A built in buzzer generates a high pitch beep for correct hotkey command   otherwise  one low pitch beep generated for error and the bad key sequence will  not be forwarded to the selected computer     HotKey Menu    F1   Auto Scan  F2   Manual Scan  F3   Scan Rate    F5   Audio Stick   U   USB Port Follow Up  L Ctrl   KVM MENU   1   8   A   H   Select Channel       Figure 4 6  Hotkey menu     The short form hotkey menu can be turned on as an OSD function  F4  More   Hotkey Menu  every time the Left Ctrl key is pressed twice     Left Ctrl is the Ctrl key located at the left side of the keyboard  See Figure 4 7     1 8 A H are the number keys 1 8 at the upper row of the keyboard and  character keys A H case insensit
8.   and hold buttons 7 and 8  Release 7 and 8  then release 1 and 2     Function Key F4  Press F4 for more functions  A new screen pops up displaying  more functions as described below  Most of them are marked with a triangle  indicating that there are options to choose from  Use the up arrow and down   arrow keys to select the functions  then press the Enter key  Press Esc at any  time to exit        724 746 5500   blackbox com Page 17    Chapter 4  Operation    KVM MENU    Auto Scan   Manual Scan   Scan Type   Scan Rate   Audio Stick  Hotkey Menu   CH Display  Position   Stand by EDID Idle    i VE VE AE AE MV       Figure 4 4  KVM menu     Auto Scan  In this mode  the KVM switch automatically switches from one  powered on computer to the next sequentially in a fixed interval  During auto  scan mode  the OSD displays the name of the selected computer  When Auto  Scan detects any keyboard or mouse activity  it suspends the scanning until  activity stops  Then  it resumes scanning with the next computer in sequence  To  abort the autoscan mode  press the Left Ctrl button twice  or press any front   panel button  Scan type and scan rate set the scan pattern  Scan Type  F4  More   Scan Type  determines if scanned computers must also be eye mark selected   Scan Rate  F4  More Scan Rate  sets the display interval when a computer is  selected before selecting the next one     Manual Scan enables users to manually switch back and forth between active  computers via keyboard control  T
9.   e Optional  1  VGA  2  DVI monitor s     e  1  USB keyboard   e  1  USB mouse   e Optional microphone and speaker     Optional  2  USB 2 0 sharing peripherals    2 4 2 Computer Side  e USB enabled dual display computer s     2 4 3 Cables  Each computer must be connected to the unit by     e  1  USB cable  up to  2  DVI cables  and  1  bidirectional audio cable  OR   e  1  ServSwitch cable with DVI and USB  EHN900024U    e  1  DVI cable  EVNDVIO2  for second video head   e  1  3 5 mm audio cable  EJ110        724 746 5500   blackbox com Page 9    Chapter 2  Overview    2 5 Hardware Description    Figures 2 1 and 2 2 illustrate the front and back panels of the KV9628A  Table 2 1  describes its components          BLACK BOX          Figure 2 1  KV9628A front panel                                Figure 2 2  KV9628A back panel        Page 10 724 746 5500   blackbox com    Chapter 2  Overview    Table 2 1  KV9628A front and back panel components     Number    Component    CPU Status LEDs    Port selection buttons    CPU Select LED   AutoScan buttons   Power LED   Power in   Console USB Type A ports  Console video ports  Computer DVI ports  Computer USB Type B ports  Computer audio ports    Console audio ports    Description    LEDs light when the connected computer is  powered on     Press buttons 1   8 individually to select a computer     LEDs light when the connected computer is selected   Press buttons 7 and 8 together to start AutoScan   Lights when power is on    Links to e
10.  the CH  Display setting     Position  The position of the selected computer and or OSD status displays on   screen during the operation  The actual display position shifts with different video  resolution  the higher resolution  the higher display position  The non volatile  memory stores the Position setting     Upper Left  Upper Right   Lower Left  Lower Right   Middle     Stand by EDID Idle  In some cases display problems may happen because of  incorrect EDID communication between the display monitor and the PC graphics  card or inappropriate EDID data programmed by display manufacturers  This  function enables the KVM switch to read the necessary EDID information from  the attached video display and then provide it at all times to the attached  computer        724 746 5500   blackbox com Page 19    Chapter 4  Operation    Copy VGA          Figure 4 5  Copy VGA and DVI     If no new EDID information is available from a display  a default profile in the  KVM switch is automatically provided instead     The system can get EDID details from the monitor by using the following  methods     e Copy DVI  Under the DVI  DVI1  monitor connection  users can copy the DVI  monitor s EDID data as the system video display setting     e Copy VGA  Under the VGA monitor connection  users can copy the VGA  monitor s EDID data as the system video display setting     e Sequence Hunting  The system will automatically search any available EDID data  from the connected display or embedded EEPROM
11. KV9628A     lt  gt BLACK BOX    NETWORK SERVICES    This eight port KVM switch provides the  ultimate in multimedia and USB switching     666006050g5 5    ServSwitch DT DVI Dual Head       Customer Order toll free in the U S   Call 877 877 BBOX  outside U S  call 724 746 5500   Support FREE technical support 24 hours a day  7 days a week  Call 724 746 5500 or fax    Information 724 746 0746     Mailing address  Black Box Corporation  1000 Park Drive  Lawrence   PA 15055 1018   Web site  www blackbox com   E mail  info blackbox com       FCC and IC RFI Statements    FEDERAL 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  f
12. VI I F  with  2  DVI ports per channel    Keyboard mouse   8  USB Type BF  Audio   2  3 5 mm jacks  stereo audio and microphone input     Indicators      16  LEDs   8  Computer Ready  green    8  Computer Selected   red     Temperature Tolerance     Operating   41 to 4104  F   5 to 4 40  C    Storage   4 to  140   F   20 to  60   C     Relative Humidity     0 to 80     Power     Input  100   240 VAC  50 60 Hz  autosensing   Output  12 VDC  4 amps  maximum  external power supply   Consumption  48 watts    Size     2 7 H x 17 25 W x 9 D  6 6 x 43 8 x 22 9 cm   Weight     4 5 Ib   2 kg        724 746 5500   blackbox com Page 7    Chapter 2  Overview    2  Overview    2 1 Introduction    The ServSwitch DT Dual Head DVI USB  8 Port enables users to access and control  up to eight DVI dual display computers from a high definition console  It uses two  DVI and or one VGA monitor s   two USB 2 0 peripherals  a USB keyboard  a USB  mouse  and bidirectional audio     The switch s video enhancement technology ensures superb quality up to   1920 x 1200 resolution  The On Screen Display  OSD  features computer naming   computer selection  status indication  autoscan  and much more  The EDID  ensures that the switched graphics card is always ready to work with your screen     The unique multilayer switching system enables the console to work on one  computer while the USB peripherals are connected to other computers and the  speakers are playing music from another computer     2 2 Features
13. are A Z  0 9  and the dash     character   Lowercase letters are converted to uppercase ones  Press the Backspace key to  delete a letter one at a time  Non volatile memory stores all name entries until you  change  even if the unit is powered off     Function Key F2  Use this key to switch the eyemark of a computer on or off   First  use the up arrow and down arrow keys to highlight it  then press the F2 key  to switch the eyemark on or off  If Scan Type is Ready PC   eyemark  only the  power on and eyemark selected computers will be displayed sequentially in Scan  mode     Function Key F3  Use this key to lock a computer from unauthorized access    To lock a device  highlight it and then press F3  Enter up to four characters  A Z   0 9  or the dash     character  for a new password  then press the Enter key    A security enabled device is marked with a lock icon following its port number   To permanently disable the security function from a locked device  highlight it   press F3  then enter the password     To access the locked device temporarily  simply highlight it and press the Enter  key  The OSD will ask you for the password  After you enter the correct password   you can use the device  The device automatically re locks when you switch to  another port  During Scan mode  the OSD skips the password protected devices     NOTE  If you forget the password  the only way to permanently erase all the  passwords is to press and hold the front panel buttons 1 and 2  then press
14. ause  Device initialization takes too much time   Solutions       Wait at least five seconds before computer switching to ensure proper USB  communication     e Turn off the device driver  not keyboard or mouse  before computer switching     Symptom  No video signal when users plug and unplug the DVI connector or  switch from port to port     Cause  Some DVI video cards do not respond to the signal switch simultaneously   Solutions       Make sure that you plugged a monitor to the console s DVI port before  plugging or unplugging the PC s video connector s      e Wait for a few seconds        724 746 5500   blackbox com Page 27    Appendix  Troubleshooting    A 2 Contacting Black Box    If you determine that your ServSwitch DT Dual Head DVI USB  8 Port is malfunc   tioning  do not attempt to alter or repair the unit  It contains no user serviceable  parts  Contact Black Box Technical Support at 724 746 5500 or info blackbox   com     Before you do  make a record of the history of the problem  We will be able to  provide more efficient and accurate assistance if you have a complete description   including     e the nature and duration of the problem   e when the problem occurs   e the components involved in the problem     e any particular application that  when used  appears to create the problem or  make it worse    A 3 Shipping and Packaging   If you need to transport or ship your ServSwitch DT Dual Head DVI USB  8 Port    e Package it carefully  We recommend that you use t
15. ent  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  desempeno  o    E  El aparato ha sido tirado o su cubierta ha sido da  ada     Page 4 724 746 5500   blackbox com    Trademarks Used in this Manual  Trademarks Used in this Manual    Black Box and the Double Diamond logo are registered trademarks  and  ServSwitch is a trademark  of BB Technologies  Inc     Macintosh and Mac are registered trademarks of Apple  Inc   Windows is a registered trademark of Microsoft Corporation   UL is a registered trademark of Underwriters Laboratories     Any other trademarks mentioned in this manual are acknowledged to be  the property of the trademark owners        724 746 5500   blackbox com Page 5    Table of Contents    Table of Contents       Chapter Page  1  Specifications      nennen 7  2   QVeIVIBW  adn 8  21      IistFOQUCLIOIY iere tete ted red dud dep eda ade iad 8  22 Fede S eiie tibi Mu EE M tI MU 8  2 3 What s Included    9  24  System Requlremelits seepra EA 9  24 
16. he original container     e  f you are returning the unit  make sure you include everything you received  with it  Before you ship for return or repair  contact Black Box to get a Return  Authorization  RA  number        Page 28 724 746 5500   blackbox com    NOTES       724 746 5500   blackbox com Page 29    NOTES       Page 30 724 746 5500   blackbox com    NOTES       724 746 5500   blackbox com Page 31    Black Box Tech Support  FREE  Live  24 7        Tech support the  way it should be        ON   i    Great tech support is just 30 seconds away at  724 746 5500 or blackbox com       BLACK BOX    About Black Box    Black Box Network Services is your source for an extensive range of 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 30 seconds or less        Copyright 2013  Black Box Corporation  All rights reserved     KV9628A  rev  3       724 746 5500   blackbox com    
17. ive     NOTE  Do not use the keypad at the right of the keyboard     O  desTes Te   esesTe Te  bedit  T T  ooo   EBPBEEPRPEBPBPITIEDILETIDTTT   LET        Figure 4 7  Keyboard        724 746 5500   blackbox com Page 21    Chapter 4  Operation    To select a computer by hotkey command  you must know its port number   which is determined by the KVM switch connection     Example  Selects the computer at Port 1   Press Left Ctrl   Press Left Ctrl   Press 1  Example  Selects the computer at Port 2   Press Left Ctrl   Press Left Ctrl   Press 2    To start Auto Scan  automatically scan powered on computers one by one  at a fixed interval     Press Left Ctrl   Press Left Ctrl   Press F1    When Auto Scan detects any keyboard or mouse activity  it suspends the scanning  until activity stops  it then resumes with the next computer in sequence  The  length of the Auto Scan interval  Scan Rate  is adjustable  To abort the Auto Scan  mode  press the Left Ctrl key twice     NOTE  Scan Type determines whether an eyemarked computer will be displayed  during Auto Scan     Manual Scan enables you to manually switch back and forth between the  powered on computers     Press Left Ctrl   Press Left Ctrl   Press F2    Press the up arrow or down arrow keys to select the previous or the next  computer in sequence  Press any other key to abort the Manual Scan     To adjust Scan Rate that sets the duration before switching to the next computer  in Auto Scan     Press Left Ctrl   Press Left Ctrl   Pres
18. or compliance could void the user   s authority to operate 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  R  glement sur le brouillage radio  lectrique publi   par Industrie Canada     Normas Oficiales Mexicanas  NOM   Electrical Safety Statement  INSTRUCCIONES DE SEGURIDAD             Todas las instrucciones de seguridad y operaci  n deber  n ser le  das antes  de que el aparato el  ctrico sea operado     2  Las instrucciones de seguridad y operaci  n deber  n ser guardadas para  referencia futura     3  Todas las advertencias en el aparato el  ctrico y en sus instrucciones de  operaci  n deben ser respetadas        Page 2 724 746 5500   blackbox com    10     Til    12     13     14     15     NOM Statement    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     Ser
19. s F3    The KVM switch beeps one to four times indicating the scan interval of 3  8  15  and 30 seconds respectively        Page 22 724 746 5500   blackbox com    Chapter 4  Operation    Audio Lock  There are two options for Audio Lock  ON and OFF  When set to  ON  audio selection follows computer selection  When set to OFF  audio selection  stops following computer selection  You might use this if you want to listen to a  particular computer s audio signal while operating other computers     Press Left Ctrl   Press Left Ctrl   Press F5   The KVM switch beeps once or twice corresponding to ON and OFF respectively   To force the audio signal to follow the selected computer    Press Left Ctrl   Press Left Ctrl   Press A    USB Port Rule  There are two options for setting the rule of the USB port on the  Console side  When set to ON  USB port selection follows computer selection   When set to OFF  USB port selection stops following computer selection     To turn ON OFF the USB Port Rule    Press Left Ctrl   Press Left Ctrl   Press F7   To force the USB device to follow and stay with the currently selected computer   Press Left Ctrl   Press Left Ctrl   Press U    NOTE  Please make sure that the USB device has been linked before switching  to the next computer     Operating Sound  There are two options for setting the operation sound   To turn ON OFF the operation sound     Press Left Ctrl   Press Left Ctrl   Press and hold Alt   Press B       724 746 5500   blackbox com Page 23  
20. s and the  power adapter  then start all over again     e Select the computer by push button  restart the computer  and try again     Symptom  Monitor works fine but keyboard and mouse do not work   Causes     e Check the keyboard and mouse connection  be sure that the cables are not  swapped     e Incorrect cables   Solution     e Connect the cables according to the keyboard and mouse marks on the  connectors     Symptom  USB devices malfunction   Cause  Poor quality USB cables     Solution  Use standard USB 2 0 cables     Symptom  Video image is not clear   Cause  Poor quality video cables     Solution  Use UL  2919 rated  double shielded video cables     Symptom  No screen image or no OSD menu   Cause  A powered on computer is not selected     Solution  Power on a computer and select it using the front panel push buttons        724 746 5500   blackbox com Page 25    Appendix  Troubleshooting    Symptom  Letters on the TFT LCD display are blue or have shadows   Cause  Improper resolution settings     Solution  Under Control Panel  set the computers  video output to match the  highest resolution of the LCD monitor with  Large Font  for the best  performance     Symptom  Autoscan does not switch PCs  and the KVM switch beeps  intermittently while a red indicator flashes     Causes     e All PCs are off or only one PC is powered on  Scan mode works for powered on  computers only     e Scan type is eyemark selected  but no powered up PC is eyemark selected in  OSD     Solutions
21. vicio   El usuario no debe intentar dar servicio al equipo el  ctrico m  s all    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 situado 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     Precauci  n debe ser tomada de tal manera que la tierra fisica y la  polarizaci  n del equipo no sea eliminada     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     El equipo el  ctrico debe ser limpiado   nicamente de acuerdo a las  recomendaciones del fabricante     En caso de existir  una antena externa deber   ser localizada lejos de las  lineas de energia        724 746 5500   blackbox com Page 3    NOM Statem
22. video port  plug a USB keyboard and a  USB mouse into the corresponding USB ports on the console     2  To use the standard audio feature  plug a set of audio jacks from the speaker  and microphone to the console s speaker port and microphone port  respectively     3  Plug USB peripherals into the USB 1 and or USB 2 ports on the console side if  needed        Page 12 724 746 5500   blackbox com    Chapter 3  Installation             DVI 2    Figure 3 1  Connecting the console     NOTE  The HD15  VGA  port on the console side of the KVM switch provides  an extra clone video signal of DVI1     3 2 2 Computer Connection    1  Use a male to male video cable s  to connect both video ports on the  computer and the unit s PC side     2  Use a USB A B cable to connect the unit s USB port  B connector  square  connector  and the USB port on the corresponding computer  A connector   flat connector      3  Use a set of audio cables to connect the speaker port and the microphone port  between the computer side of the unit and the corresponding computer    Audio connection is optional      NOTE  Use KVM Cable with DVI and USB connectors for easy installation   The  cable part number is EHN900024U      4  Repeat Steps 1 through 3 for each PC port on the KVM switch     5  Plug the external power adapter from an appropriate DC power source to the  Switch s power port        724 746 5500   blackbox com Page 13    Chapter 3  Installation       geES emm eB o e A 7a 7a 2 B oa o  El    of        
23. xternal power    Keyboard and mouse ports for console    Attach to the user monitor    Connect to a computer s video cards   Keyboard mouse ports for computers    Connect to speakers and microphones     Connect to speaker and microphone        724 746 5500   blackbox com    Page 11    Chapter 3  Installation    3  Installation  Before installation  power off all devices that will be connected to this system       Make sure that all devices you will connect are properly grounded       Place cables away from fluorescent lights  air conditioners  and machines  that are likely to generate electrical noise     3 1 PC BIOS Notice    The following BIOS setup changes are necessary for PC users and not necessary  for Mac users     e In standard CMOS  set  Halt on Error    to  All but keyboard        e In PNP and PCI setup  set    PNP OS installed    to  YES  and set  USB IRQ    to   Enabled      NOTE  The ServSwitch DT Dual Head DVI USB  8 Port switches USB keyboard and  USB mouse from one computer to the other  If you plan to share other  peripherals such as a camera  printer  external storage device  or scanner   shut down a computer s driver before switching to another computer    Port switching is equivalent to unplugging the USB cable from one  computer and plugging it into another  Some USB drivers check attached  USB peripherals constantly and do not support plug n play functionality     3 2 Device Connection  3 2 1 Console Connection    1  Plug the monitors into the console s 
24. ype F4   More Scan type  to determine if  scanned computers must also be eye mark selected  Press the up arrow key to  select the previous computer and press the down arrow key to select the next  computer  Press any other key to abort the Manual Scan mode     Scan Type     Ready PC   Eyemark  In Scan mode  scan through powered on and eyemark   selected computers     Ready PC  In Scan mode  scan through powered on computers     Eyemark Only  In Scan mode  scan through any eyemark selected computer  regardless of computer power status  The non volatile memory stores the Scan  Type setting     Scan Rate  Sets the duration of a computer displayed in Auto Scan mode  The  options are 3 seconds  8 seconds  15 seconds  and 30 seconds  The non volatile  memory stores the Scan Rate setting        Page 18 724 746 5500   blackbox com    Chapter 4  Operation    Hotkey Menu  When you press the Left Ctrl key twice within two seconds  the  hotkey menu appears displaying a list of hotkey commands if the option is on   You can turn off the hotkey menu if you prefer not to see it when the Left Ctrl  key is pressed twice  The non volatile memory stores the hotkey menu setting     CH Display     Auto Off  After you select a computer  the port number and name of the  computer will appear on the screen for three seconds then disappear  automatically     Always On  The port number and name of a selected computer and or OSD  status displayed on the screen all the time  The non volatile memory stores
    
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