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ServSwitch Agility Dual with VNC

724-746-5500 | blackbox.com

Page 62

Host configuration

This page provides the opportunity to configure various details for each of the host systems that may be connected to the Agility
Dual with VNC. Each entry can be configured with a name, the permitted users, the hot key combinations required to switch to it
and, if required, appropriate power control commands.

Sort

Allows you to reorder the list of hosts either alphabetically or by entry number.

Erase Host Configuration

Removes all hosts from the list.

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Summary of Contents for ACR1012A-T

Page 1: ...ra details that are specific to the ServSwitch Agility Dual with VNC ServSwitch Agility Dual with VNC ACR1012A T Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbo...

Page 2: ... NetWare is a registered trademark of Novell Inc Sun is a trademark of Sun Microsystems Inc Unix is a registered trademark of UNIX System Laboratories Inc BSD is a registered trademark of UUNet Technologies 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...

Page 3: ...n 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 ...

Page 4: ...que impidan el flujo de aire por los orificios de ventilación 10 El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor 11 El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación o como se indique en el aparato ...

Page 5: ... 4 4 Controls 29 4 5 Mouse Control 30 4 6 Advanced mouse configuration 31 4 7 Info 32 4 8 Power switching 32 4 9 Keyboard Control 33 4 10 Video settings 34 4 11 Editing the viewer window menu bar 35 4 12 Virtual Media 36 4 13 A rough guide to configuring TX and RX units 40 4 14 Performing an upgrade 43 4 15 Options switches 44 5 Operation 45 5 1 Front Panel Indicators 45 5 2 Using the VNC viewer 4...

Page 6: ...92 x 44mm 1 76 x 145mm 5 7 Construction 1U compact case robust metal design Weight 1 11kg 2 44lbs Mount kits Rack mount kits Single RMK2004 or dual units RMK2004 2 per 1U slot VESA monitor wall mount chassis kit RMKVESA Input Power 100 240VAC 50 60Hz 0 8A Output Power 5VDC 20W Operating Temperature 0ºC to 40ºC 32ºF to 104ºF Approvals CE FCC ...

Page 7: ... bandwidth ver sions of its high resolution output via a dedicated Ethernet port on the front panel so that it may be accessed remotely via a VNC viewer through any standard network This concise guide acts as an addendum to the ServSwitch Agility and Agility Dual user guide to provide informa tion about the extra features of your ServSwitch Agility Dual with VNC ACR1012A T 2 1 Mixing ServSwitch Ag...

Page 8: ... distances via a Gigabit Ethernet network One to one configuration 2 4 One to Many Configuration Using multicast techniques an unlimited number of receivers can receive video and audio data streams from a single local trans mitter unit One to many configuration 2 5 Low Bandwidth VNC Connection Up to sixteen remote users can log in via standard networks to view the output from the ServSwitch Agilit...

Page 9: ...ow System Gigabit Ethernet port Indicators These six indicators clearly show the key aspects of operation VNC On when a VNC viewer is connected SER On when the AUX serial port is enabled and active AUD On when audio is enabled and active USB On when USB is enabled and active DVI On when DVI video is enabled PWR Power indicator The rear panel of the local transmitter unit contains most of the conne...

Page 10: ...ingle link DVI D to DVI D video cable Combined DVI D and USB cable 6 feet 2 audio cables with 3 5mm stereo jacks 6 5 feet Upgrade serial null modem cable 6 5 feet 2 8 Additional Items You May Need Power adapter P N PS650 Combined DVI D and USB cable type A to B P N EHN900024U Single link DVI D to DVI D video cable P N EVNDVI02 USB cable type A to B 6 5 feet P N USB05 3 5mm Audio cable 6 5 feet P N...

Page 11: ...Chapter 2 Overview 724 746 5500 blackbox com Page 11 ...

Page 12: ...al VESA mounting bracket 3 1 1 Rack Brackets The optional brackets plus four screws enable the unit to be secured within a standard rack slot NOTE The ServSwitch Agility Dual with VNC 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...

Page 13: ...he rear of the video display so that its small folded in tabs are lowermost N E T S E R A U D U S B D V I P W R Rear panel of video display ServSwitch Agility unit VESA mount ing bracket 2 Attach the bracket to the video display using four screws of a size appropriate to the threaded holes within the video display panel do not overtighten 3 Place the ServSwitch Agility unit into the bracket with i...

Page 14: ... Dual with VNC contains a VNC server that allows you to transmit a low bandwidth version of the video output across standard networks to authorized remote viewers The VNC link can either be made over the same network as the main System Ethernet port output or via a separate one In either case a separate VNC network port is located on the left side of the Agility Dual with VNC front panel for the p...

Page 15: ...y video port of the computer system to the DVI D 1 connector of the ServSwitch Agility Dual with VNC For dual link connections a similar dual link cable must also be used at the remote unit Note When using one very high resolution DVI D dual link display use a DVI D Dual Link cable to connect the primary video port of the computer system to the DVI D 1 connector of the ServSwitch Agility Dual with...

Page 16: ... link cable between the IN socket on the Local unit rear panel and the speaker output line out socket of the host computer Connect the speaker and microphone cables to audio sockets 2 Where a microphone is to be used Connect a second audio link cable between the OUT socket on the Local unit rear panel and the Line In socket of the host computer AUX DVI D 1 OUT IN Speaker link from host computer Mi...

Page 17: ...our sockets at the Remote unit with only a single connection at the Local unit 1 Connect the type B connector on a USB cable to the USB port on the Local unit rear panel OPTIONS 1 2 1 2 Connect the USB link cable to Local unit socket 2 Connect the type A connector of the cable to a vacant USB socket on the host computer USB link from host computer ...

Page 18: ...ware flow control but no hardware flow control 1 Ensure that power is removed from the ServSwitch Agility Dual with VNC unit 2 Connect a suitable serial null modem cable between a vacant serial port on your computer and the AUX port on the right hand side of the ServSwitch Agility Dual with VNC rear panel AUX Connecting the serial link cable to Local unit socket Serial null modem link from the hos...

Page 19: ... ambient tem peratures exceeding 40o C Do not place the products in contact with equipment whose surface temperature exceeds 40o C 3 2 6 1 Power supply identification Due to the increased power requirements of the ServSwitch Agility Dual and Agility Dual with VNC units these models are sup plied with larger capacity 20W power adapters The standard 12 5W and higher power 20W adapters use identical ...

Page 20: ...l Fibre Channel SFP module or Active Copper SFP module The cho sen module can then allow either a fibre optic or additional Gigabit Ethernet link to be used in parallel with the fixed System Gigabit Ethernet port 3 2 7 1 Using the Teaming port 1 Insert an appropriate optional SFP module into the aperture on the front panel 2 Make your connection s between the chosen SFP module and either the other...

Page 21: ...int connections no crossover Ethernet cable is required For direct links via fibre varying distances can be achieved depending on the module and cable types used 3 2 7 2 Using the System port 1 Connect a CAT 5 5e 6 or 7 cable to the System port socket on the front panel CAT 5 5e 6 or 7 link either directly from the other Agility Dual unit or from a Gigabit Ethernet switch 2 Connect the other end o...

Page 22: ...ther the Gigabit Ethernet or optional Fibre Channel over Ethernet FCoE module on the right side of the front panel and provide high resolution DVI D image audio and peripheral feeds Please see the opposite page for details The VNC port Uses the standard Ethernet port on the left side of the front panel and provides lower bandwidth image video feeds for use across standard networks and the wider In...

Page 23: ...s Configuring Agility units collectively The Agility iPath server allows you to configure control and coordinate any number of Agility transmitters and receivers from a single application IMPORTANT When using Agility iPath to configure Agility Dual units it is vital that all units that you wish to locate and control are set to their factory default settings Otherwise they will not be located by th...

Page 24: ...w the current video output on Local units Perform a firmware upgrade Perform a factory reset 4 1 4 1 Connecting a Computer System for Browser Based Configuration 1 Connect a suitable network cable to the System Gigabit Ethernet port on the front panel Connect the ServSwitch Agility to a suitable network switch 2 Connect the other end of the link cable to a network switch 3 Similarly link your comp...

Page 25: ...ault settings are as follows Agility Dual with VNC transmitter Agility Dual receiver System port 169 254 1 33 169 254 1 32 Teaming port 169 254 1 43 169 254 1 42 Where the addresses of a unit is not known perform a manual factory reset see section 4 1 3 to restore the default addresses The opening page of the ServSwitch Agility configuration utility should be displayed and you can now use on scree...

Page 26: ...he Initial configuration instructions given in section 4 3 Initial configuration If you do not already have a VNC viewer there are three options You can download a Windows VNC Viewer from the Agility Dual with VNC itself You can download the latest VNC Viewers for most operating systems via the RealVNC website or for tablets and smart phones from the appropriate app store Without downloading anyth...

Page 27: ...ctionality is not supported in V5 viewer To download a VNC Viewer To download a free VNC Viewer for a desktop or notebook computer visit the download page of the RealVNC website To download a VNC Viewer app for a tablet or smartphone visit the Apple or Android app store or look at the RealVNC website for further information To use the Java VNC Viewer 1 Connect the Agility Dual with VNC to an IP ne...

Page 28: ...uter connected to the same subnet of the network On that computer locate and select the VNC viewer icon A connection details dialog will be displayed Options button Provides a range of viewer and connection settings Enter the Agility Dual with VNC address here and click OK If required select the encryption mode 5 Enter admin as the Username leave the password entry blank and click the OK button Th...

Page 29: ...operation Single Mouse Mode This mode is for fast network connections where the cursor response is sufficient to provide instant visual feedback on the remote screen When enabled the cursor is captured within the viewer win dow until you use the escape hot keys To quit from single mouse mode press F8 and then P Alternatively enable and use the mouse but ton escape sequences see Advanced unit confi...

Page 30: ... that you click with your local mouse Click to move the remote mouse cursor up down left or right Click to calibrate the remote mouse Click to produce a single mouse click for the left centre or right mouse buttons Click to produce a con tinuous mouse click and hold for the left centre or right mouse buttons When ticked the unit will attempt to switch to Absolute Mouse mode recommended If the comp...

Page 31: ...e function For best results choose the appropriate Change motion entry to match the host in use The available Change Motion schemes are Constant XFree86 Windows Pre XP Windows XP Windows XP SP2 OS 2 Solaris Solaris 9 and Mac OSX Most of these offer the Speed setting as the only option however the Windows Pre Xp and XFree86 options contain many other parameters When the Absolute Mode option is tick...

Page 32: ... Note This option is generally used to power cycle remote systems that have failed to respond Before switching a system off ensure that all attempts have first been made to power it down through normal means An optional power switch is required to be connected to the AUX port of the Agility Dual with VNC unit in order to control the mains power input into the associated computer See also Power swi...

Page 33: ...he asterisk then the delay will equal the number in millisec onds It is automatically assumed that all keys specified will be released at the end so there is need to specify Ctrl or Alt if these keys are to be released together Examples Ctrl Alt 12 would be expressed as Ctrl Alt 1 1 2 N means press the N key Scroll means press the Scroll lock key Space means press the space key Click to send the c...

Page 34: ...ed video sources 4 10 Video settings This option provides a range of options related to the video configuration Video source Selects which video input to use It is possible to display both single head screens if connected or select one over the other If you are viewing Dual Link video resolutions only one head will be available Use Remote DDC Uses the DDC of the monitors connect ed to the Agility ...

Page 35: ...else within the viewer window Changes made in this way will affect the individual user only To edit the menu bar via admin 1 Login remotely via VNC viewer as admin user and display the viewer window 2 Click the Configure button in the top right corner of the viewer window 3 Click the User Accounts button 4 Against the entry for the required user click the Menu Bar Edit button The following dialog ...

Page 36: ...er There are two main ways to use Virtual Media Create a read only virtual disk drive on the host from one or more files chosen at the viewer end This is useful for copying one or more files from the computer running the VNC viewer to the host computer See below Export a disk drive e g CD DVD or USB flash drive from the viewer computer so it appears as a disk on the host attached to Agility Dual w...

Page 37: ...iewer computer 1 On the remote system log into the Agility Dual with VNC using the VNC viewer 2 Invoke the Send Files feature of the VNC viewer called File Transfer in later versions either by clicking the icon on the viewer s toolbar or selecting from the F8 menu 3 The viewer will display a window allowing you to select files or a whole folder Highlight the required files or folders up to a maxim...

Page 38: ...re drive or a disk image e g iso file Select a disk drive Click the checkbox adjacent to the listed disk drive that you wish to make available to the host computer or Add a Disk Image File Select the disk image file and click Open 4 In the Virtual Media dialog box click the OK button to announce the availability of the drive to the host computer On the host computer the new drive will appear in th...

Page 39: ...Chapter 4 Configuration 724 746 5500 blackbox com Page 39 ...

Page 40: ...nable Video Enable Audio and Enable USB plus Enable Serial if used are enabled as appropri ate There are similar options within the RX unit configuration and it is important that the settings in both units are the same If an option is ticked in one unit but unticked in the other then that data stream will remain disabled If you make a change remember to click the Update Now button Optimizing the T...

Page 41: ...mitted data when operating in unicast mode The Gateway entry is only necessary when the TX unit is located on a separate network to the RX unit 3 Check that the data streams Enable Video Enable Audio and Enable USB plus Enable Serial if used are enabled ticked or disabled unticked as appropriate There are similar options within the TX unit configuration If one of these options is ticked in one uni...

Page 42: ...en attention must be given to finding an address within these limits that is not already reserved for special use The IANA Internet Assigned Numbers Authority website iana org provides a list of publicly reserved addresses Next enter appropriate Multicast Address 2 entries for the Teaming port Video Audio data stream s The video and audio multicast addresses must be different as must the System an...

Page 43: ... Black Box technical support Note There are separate upgrade files for TX and RX units 2 Temporarily connect the Agility Dual with VNC unit and a computer via a network see browser based configuration utili ty section for details 3 Run a web browser on your computer and enter the IP address of the Agility Dual with VNC unit to be upgraded 4 Click the Firmware Upgrade link Within the Firmware Upgra...

Page 44: ...ual with VNC unit retains a backup firmware image which can be used in situations where the primary firmware becomes corrupted most often through failed upgrade operations Using the backup firmware will allow you to regain operation of the unit Option switch 1 OFF Normal operation using the main firmware ON Operate using the backup firmware image Option switch 2 is reserved and must remain in the ...

Page 45: ...e to work unhindered 5 1 Front Panel Indicators The six front panel indicators on the ServSwitch Agility Dual with VNC unit provide a useful guide to operation These six indicators clearly show the key aspects of operation VNC On when a remote VNC connection is in progress SER On when the AUX serial port is enabled and active AUD On when audio is enabled and active USB On when USB is enabled and a...

Page 46: ...nter the Agility Dual with VNC address here and click OK If required select the encryption mode 2 In the Server entry type the network address that has been configured for the VNC port of the Agility Dual with VNC unit 3 Click the OK button The viewer window may open straight away or the system may require user authentication in which case an authentication dialog will be displayed 4 Enter your Us...

Page 47: ...best resolution for your computer is one that is larger than the screen of the host computer that you are viewing This will allow you to see everything without scrolling around Alternatively the VNC viewer can be set to scale the image to fit your screen but remember that some pixel dithering effect will be seen when scaling is used How do I navigate around a larger screen If the screen that you a...

Page 48: ...contains a variety of information including the following Appendix A Configuration menus via VNC see opposite Appendix B VNC viewer window options Appendix C The KVMADMIN utility Appendix D Java viewer options Appendix E Hotkey sequences Appendix F Known working video modes Appendix G Safety Information ...

Page 49: ...ration menu 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner The main configuration menu will be displayed The various configuration pages are covered within this appendix User accounts Gui edit configuration Unit configuration Advanced unit configuration Time date configuration Network configuration Serial port configuration Host config...

Page 50: ...gn characters Password Each password can be between 1 and 16 characters in length A suitable password is best constructed using a mixture of more than 6 letters numbers and punctuation characters Local This column is greyed out as this feature is not available on Agility Dual with VNC Remote When ticked the selected user can gain access via an IP network link such as a local intranet or the wider ...

Page 51: ...ively the admin can globally alter the menu bar for all users To edit the menu bar locally 1 Login remotely via VNC viewer and display the viewer window 2 Place the mouse pointer on the menu bar and click the right mouse button A popup will be displayed 3 Click on any option within the popup to add it to or remove it from the menu bar 4 When all changes have been made click anywhere else within th...

Page 52: ...memory This may be updated using the flash upgrade procedure Host Keyboard Layout Use the arrow buttons to match the keyboard layout expected by the host system Admin Change Password Click this button to enter edit the password that will be used to gain administrator access to the Agility Dual with VNC Unit Name The name entered here will be displayed on the local menus and the remote VNC viewer b...

Page 53: ...sers Allows you to restrict the number of concurrent VNC sessions The maximum number is 16 and the default is 4 VNC Viewer Hot Key Sequence When using the VNC Viewer you can use key press combinations to select host computers and also to display the host selection menu This option allows you to choose which keys should be used to form the hotkeys that will precede a switching command The default s...

Page 54: ...osts are being viewed either because of this time out or if no viewers are active then parts of the video circuitry are powered down reducing power consumption by up to a third Protocol Timeout Sets the time period by which responses should have been received to outgoing data packets If the stated period is exceeded then a connection is considered lost and terminated Background Refresh Rate Use th...

Page 55: ...ocess Mouse Rate Defines the rate at which mouse movement data are transmitted to the system The default option is 20ms which equates to 50 mouse events per second This is used to slow down the rate in exceptional circumstances but normally requires no adjustment Single Mouse Mode Mouse Switch Select the mouse button combination to exit from single mouse mode when active Use Quick Mouse Calibratio...

Page 56: ...hen this option is selected the Agility Dual with VNC will synchronise its internal clocks using information from the Network Time Protocol server listed in the NTP Server IP address field NTP Server IP address Optionally enter the IP address for a known Network Time Protocol server Set Time from NTP Server Click to immediately use the time and date information from the listed NTP server ...

Page 57: ...effect and the end field is when the change is made back to standard time The most common format used for the daylight saving time is m w d Where m specifies the month and must be between 1 and 12 The day d must be between 0 Sunday and 6 The week w must be between 1 and 5 week 1 is the first week in which day d occurs and week 5 specifies the last d day in the month The time fields specify when in...

Page 58: ...y of the Agility Dual with VNC within a network The IP address can be thought of as the telephone number of the Agility Dual with VNC Unlike the MAC address the IP address can be altered to suit the network to which it is connected It can either be entered manually or configured automatically using the DHCP option When the DHCP option is enabled this entry is greyed out IP Network Mask Also often ...

Page 59: ...tware However in certain circumstances it may be advantageous to alter this number see Security issues with ports for more details HTTP Port This is the logical link through which communications with a remote web browser will be channelled The default setting of 80 is an established standard for web HTTP HyperText Transfer Protocol traffic though this can be changed to suit your local net work req...

Page 60: ...f the addresses within the range and use the Mask entry to indicate the size of the range 2 Enter the base network address the mask and select the appropriate access setting 3 Click the OK button To reorder access control entries IMPORTANT When reordering ensure that any specific allowed addresses are listed higher in the list than any denied addresses Take care not to invoke any deny access setti...

Page 61: ...figure the baud rate of the Agility Dual with VNC serial port that is used to control power switch devices A full range of standard baud rates are available Baud Rate Determines the communication speed of the OPTIONS port The other communication settings are fixed as No parity 8 bit word 1 stop bit ...

Page 62: ...host systems that may be connected to the Agility Dual with VNC Each entry can be configured with a name the permitted users the hot key combinations required to switch to it and if required appropriate power control commands Sort Allows you to reorder the list of hosts either alphabetically or by entry number Erase Host Configuration Removes all hosts from the list ...

Page 63: ...ith the required host system Hotkey Host Number Declare the numeric sequence that is pressed together with the VNC viewer hotkeys usually Ctrl Alt to select this host system which is the same value as the KVM port number Power On Enter the code required to make an attached power control unit apply power to the host See Power switching configu ration for details Power Off Enter the code required to...

Page 64: ...off value If a particular computer has more than one power input and thus requires an equivalent number of power ports to control them collections of strings can be combined to switch all of the required ports together as a group To configure the power sequences for each host computer 1 Using VNC viewer or a browser log on as the admin user 2 Click the Configure button in the top right corner 3 Cl...

Page 65: ...ad press Ctrl and V or right mouse click and Paste Date and time the event occurred Type of event user name and access method or remote IP address Click to clear all log entries Click to refresh the list Click to return to the main menu Optionally enter an IP address to which the status log should be sent Syslog Server IP Address Logging information can optionally be sent as it occurs to a separat...

Page 66: ...d keypress es to the Agility Dual with VNC and host computer This is necessary because certain keys and key combinations are trapped by the VNC viewer Refresh Screen Requests data from the server for a complete redraw of the screen image not just the items that change Virtual Media Allows files to be transferred from the remote computer to the host Send Files to Server Allows files to be transferr...

Page 67: ...min user and for security purposes it is not possible to retrieve user names or passwords from the Agility Dual with VNC To use KVMADMIN you require the IP address and admin password of the Agility Dual with VNC unit The command line is as follows kvmadmin command ip address parameters where command is one of the following setconfig config file getconfig config file setusers csv file getlog log fi...

Page 68: ... Hextile This method offers better performance than the ZRLE when used over a high speed network because there is no need for the Agility Dual with VNC to spend time highly compressing the data Raw This is a primitive uncompressed method that is mainly used for technical support issues You are recommended not to use this method Colour level The colour level is fixed at Medium 256 colours for almos...

Page 69: ...ty Dual with VNC 2048 bits high security Selects the highest level of encoding for communications between the browser and the Agility Dual with VNC Misc Shared don t disconnect other viewers This feature is restricted to software server versions of VNC and has no effect on Agility Dual with VNC installations Render cursor locally This feature is restricted to software server versions of VNC and ha...

Page 70: ...fy all keys to be released at the end because they are all released automatically after the last code A number of KVM switches from alternative manufacturers use hot key sequences that begin with a press release of either the Scroll Lock or Ctrl keys These often require a delay between the initial key press and the channel number to allow the switch to respond A 500ms delay is usually sufficient E...

Page 71: ...ed within a sequence Any of the following three examples will send a command that emulates and a press and release of the Scroll Lock key SCROLL SCROLL SCROLL SCROLL Example SCROLL SCROLL 1 ENTER Press and release scroll twice press 1 then enter then release all keys equivalent definition is SCROLL SCROLL SCROLL SCROLL 1 ENTER 1 ENTER Using abbreviations To reduce the length of the key definitions...

Page 72: ...24x768 60Hz 1152x768 60Hz 1152x864 60Hz 1280x720 60Hz 1280x768 60Hz 1280x800 60Hz 1280x854 60Hz 1280x960 60Hz 1280x1024 60Hz 1366x768 60Hz 1400x1050 60Hz 1440x900 60Hz 1440x960 60Hz 1600x900 60Hz 1600x1200 60Hz 1680x1050 60Hz 1920x1080 60Hz 1920x1200 60Hz 2048x768 60Hz 2048x1080 60Hz 2048x1152 60Hz 2048x1536 60Hz 2048x2048 60Hz 2560x1440 60Hz 2560x1600 60Hz 2560x2048 50Hz ...

Page 73: ...ntained within power adapter No user serviceable parts within power adapter do not dismantle Plug the power adapter into a socket outlet close to the module that it is powering Replace the power adapter with a manufacturer approved type only Do not use the power adapter if the power adapter case becomes damaged cracked or broken or if you suspect that it is not operating properly If you use a powe...

Page 74: ... and power and surge protection products to media converters and Ethernet switches all supported by free live 24 7 Tech support available in 60 seconds or less Copyright 2014 Black Box Corporation All rights reserved ACR1012A T rev 1 Black Box Tech Support FREE Live 24 7 Great tech support is just 60 seconds away at 724 746 5500 or blackbox com NETWORK SERVICES Tech support the way it should be ...

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