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Cat 5 High-Density KVM Switch KH1508 / KH1516 User Manual

1. ooocococccoococrcr eee iii Telephone Support eee iii User Notice nide annen a me en EET EE RE SOR iii Package Contents iliis res iv About This Manual comicios ds eem Renee eR A e viii OVEWIOW ids ete in en he Udo due TN IE ci Rond viii GonVentioris sets A Rp ime ix Product Information llle ix Chapter 1 Introduction OQVelVIeW 0 von edere er ecd xti gis epu RE Ories 1 Features smeren ee ae ae ae Eva tere eei 3 Requirements c mm EE BERE PEE en pe UR En 4 Console i c hed ee S DEI Ege RET E a 4 GOMPUL ES in ure oaeen put hae hak Eet A RARE WE 4 KVM Adapter Cables onee 4 Operating Systems neee eeen 5 COMPONENTS e mer tn o ira tds epe aded ad ele talon 6 Front VIEW ine ei ton R etu starte s wate d 6 KATSOS ii DUM SUBE Ueber ed 6 KES D TTC EE 6 Rear VIEW tinten o p sU ented ede 8 KHT5OG ERR Ren sr RR ROUEN RM 8 AA oo te e ks d aoo bee trees 8 Chapter 2 Hardware Setup VOI Watanabe e i Lt E taut 9 Before You Begin rs pt i Ore Rie 9 Stacking and Rack Mounting annen 10 Stacking i eco AA eoe aut ee ure 10 Rack Mounting acts ene a ek Er AEL R3 dade REESE EA 11 Single Station Installation llle 12 Single Stage Installation Diagram nennen 13 KVM Adapter Cable Installation Diagrams o o 14 Daisy Chaining nnee en 15 Daisy Chain Installation Diagram nennen enen 16 KH1508 KH1516 User Manual Chapter 3 Basic Operation Pott Selection i cet dente he
2. Before You Begin A 1 Important safety information regarding the placement of this device is provided on page 55 Please review it before proceeding 2 Make sure that power to all the devices you will be connecting up have been turned off You must unplug the power cords of any computers that have the Keyboard Power On function KH1508 KH1516 User Manual Stacking and Rack Mounting The KH1508 KH1516 can be stacked on the desktop or rack mounted at the front or rear of the rack The following sections take you through the procedures for each method Stacking The KH1508 KH1516 can be placed on any appropriate level surface that can safely support its weight plus the weight of its attached cables To place the KH1508 KH1516 or to stack units if you are daisy chaining them remove the backing material from the bottom of the rubber feet that came with this package and stick them onto the switch s bottom panel at the corners as shown in the diagram below Note To ensure adequate ventilation allow at least 5 1 cm on each side and 12 7cm at the back for power cord and cable clearance Chapter 2 Hardware Setup Rack Mounting The KH1508 KH1516 can be mounted in a 19 1U racks The mounting brackets can screw into either the front or the back of the unit so that it can attach to the front or the back of the rack To rack mount the unit 1 Remove the screws at the front or the rear as shown
3. When the unit s firmware becomes corrupted for some reason and you are unable to operate it When you invoke Adapter Upgrade Mode see ADAPTER UPGRADE page 31 but decide not to proceed with the upgrade When a firmware upgrade procedure is interrupted When a firmware upgrade procedure fails To perform a firmware upgrade recovery do the following 1 Unplug the Adapter Cable from the computer it is connected to 2 Slide its Firmware Upgrade Recovery Switch located next to the Cat 5 connector to the Recover position 3 Plug the adapter cable back into the computer 4 From your KVM switch console bring up the OSD see page 21 and select the F4ADM function Scroll down to ADAPTER UPGRADE Press Enter 6 Press Y to invoke Upgrade Mode a 7 Proceed with the firmware upgrade as described in Performing the Upgrade starting on page 52 8 After the upgrade completes and the switch restarts unplug the Adapter Cable from the computer and slide the Firmware Upgrade Recovery Switch back to the Normal position 9 Plug the adapter cable back into the computer This completes the recovery procedure 54 Appendix Safety Instructions General Read all of these instructions Save them for future reference Follow all warnings and instructions marked on the device Do not place the device on any unstable surface cart stand table etc If the device falls serious damage will r
4. Loading amp testing files rr oc c Device Description Check Firmware Version Progress Help View Log The Utility inspects your installation All the devices capable of being upgraded by the package are listed in the Device List panel 47 KH1508 KH1516 User Manual 4 After you have made your selection s Click Next to perform the upgrade Ifyou enabled Check Firmware Version the Utility compares the device s firmware level with that of the upgrade files If it finds that the device s version is higher than the upgrade version it brings up a dialog box informing you of the situation and gives you the option to Continue or Cancel The firmware Ver 3 2 312 is not newer than current firmware Ver 3 2 312 in device MAIN 001 001 Continue the upgrade Yes No If you didn t enable Check Firmware Version the Utility installs the upgrade files without checking whether they are a higher level or not As the Upgrade proceeds status messages appear in the Status Messages panel and the progress toward completion is shown on the Progress bar To abort the upgrade procedure before it completes click Cancel If you cancel before completion a dialog box appears warning you that quitting at this point may cause the device s firmware to be lost and you are given the option to proceed or abort the cancel operation To recover from a lost firmware situation see Firmware Upgrade Recovery
5. PORT NAME or the Port Number MODE plus the Port Name PORT NUMBER PORT NAME The default is PORT NUMBER PORT NAME SCAN Determines how long the focus dwells on each port as it cycles through DURATION the selected ports in Auto Scan Mode see F7 SCAN page 34 Key in a value from 1 255 seconds then press Enter Default is 5 seconds a setting of O disables the Scan function SCAN SKIP Selects which computers will be accessed under Skip Mode see F5 MODE SKP page 32 and Auto Scan Mode see F7 SCAN page 34 Choices are ALL AII the Ports which have been set Accessible see SET ACCESSIBLE PORTS page 30 QUICK VIEW Only those Ports which have been set Accessible and have been selected as Quick View Ports see SET QUICK VIEW PORTS page 30 POWERED ON Only those Ports which have been set Accessible and are Powered On QUICK VIEW POWERED ON Only those Ports which have been set Accessible and have been selected as Quick View Ports and are Powered On The default is ALL SCREEN If there is no input from the console for the amount of time set with this BLANKER function the screen is blanked Key in a value from 1 30 minutes then press Enter A setting of 0 disables this function The default is 0 disabled HOTKEY Enables Disables the Hotkey function see Keyboard Operation page COMMAND 37 in case a conflict with programs running on the computers occurs MODE HOTKEY This setting selects the Hotkey invocati
6. Print Screen F13 Scroll Lock F14 E Enter Return Backspace Delete Insert Help Ctrl UA F15 Note When using key combinations press and release the first key Ctrl then press and release the activation key 43 KH1508 KH1516 User Manual Sun Keyboard The PC compatible 101 104 key keyboard can emulate the functions of the Sun keyboard when the Control key Ctrl is used in conjunction with other keys The corresponding functions are shown in the table below PC Keyboard Sun Keyboard Ctrl T Stop Ctrl F2 Again Ctrl F3 Props Ctrl F4 Undo Ctrl F5 Front Ctrl F6 Copy Ctrl F7 Open Ctrl F8 Paste Ctrl F9 Find Ctrl F10 Cut Ctrl 1 m Ctrl 2 O _ m Ctrl 3 9 m Ctrl 4 C Ctrl H Help ET Compose SE E Note When using key combinations press and release the first key Ctrl then press and release the activation key 44 Chapter 7 Firmware Upgrade KH1508 KH1516 Upgrade Introduction As new firmware revisions become available for the KH1508 KH1516 new firmware upgrade packages are posted on our web site Check the web site regularly to find the latest packages and information relating to them Before You Begin To prepare for the firmware upgrade do the following 1 From a computer that is not part of your KVM installation go to our Internet
7. recognizes the position of each station on the chain eliminating the need to manually set the position with DIP switches A seven segment front panel LED displays each Station s position for easy identification The switches feature RJ 45 connectors and CAT 5 cable to link to the computers Combined with Auto Signal Compensation ASC 1280 x 1024 60Hz signals can travel up to 40 m 130 eliminating the need for KVM extenders Utilizing PS 2 and USB KVM Adapter Cables for the final linkup the KH1508 KH1516 permits any combination of PCs Macs Sun computers and serial devices to coexist on the installation Your KH1508 KH1516 investment is protected by a Firmware Upgrade Utility You can stay current with the latest improvements in functionality by downloading firmware update files from our website and using the utility to quickly and conveniently install them Setting up the KH1508 KH1516 is fast and easy plugging cables into their appropriate ports is all that is entailed Because the KH1508 KH1516 intercepts keyboard and mouse input directly there is no software to configure no need to get involved in complex installation routines no need to be concerned with incompatibility problems KH1508 KH1516 User Manual Access to any computer on the installation is easily accomplished either by pressing front panel port selection switches entering hotkey combinations from the keyboard or by means of a powerful menu dr
8. Upgrade nnee eeen 45 Introduction e oi elan kenteken ae wala ee Eeen nd ecd 45 Before You Begin eneen eee 45 Performing the Upgrade neee 46 Starting the Upgrade eeen 46 Upgrade Succeeded eeen 49 Upgrade Falled imc Peek a o Deb ee 49 Firmware Upgrade Recovery eneen 50 Adapter Cable Upgrade nennen eee 51 Introduction se varen ngen a UVEI 51 Before You Begln ed cdi et DERE REX pra 51 Performing the Upgrade neee 52 Starting the Upgrade eeen 52 Upgrade Succeeded eee 53 Firmware Upgrade Recovery nee 54 Appendix Safety Instructions eee eee 55 General ie oer vereen a aA e Eae s 55 Rack Mounting s zate A CHR CX ea ee 57 Technical Support ss ie ede dy Pete e pee ay Tb nag de 8 58 International naieve dee enden det ankerden nala eee ALE 58 North America anr a A 58 Connection Tables ct ad AA A Me wes nce 59 KE1508 5 Annie a Re er as 59 Mo ta cd ee Wea andes added vetje etend seen ue 59 OSD Factory Default Settings nnen eee 60 Specifications soc ien derden Pee vaten oe ER TE 61 Administrator Login Failure eene 62 Troubleshooting 10 ats ecb ete e da 63 User Manual Corrections neee eeen 64 Limited Warranty eee 65 vii KH1508 KH1516 User Manual About This Manual This User Manual is provided to help you get the most from your KH1508 KHI516 system It covers all aspects of installation configuration and operation An overview of the informati
9. in the diagram below Phillips head hex M3x6 2 Screw the mounting brackets into the sides of the unit at the front or the rear as shown in the diagram below Phillips head hex PE Phillips head hex 3 Slide the unit into the front or rear of the rack and secure it to the rack 11 KH1508 KH1516 User Manual Single Station Installation In a Single Stage installation there are no additional KVM switches daisy chained down from the KH1508 KH1516 To set up a single stage installation refer to the installation diagrams starting on page 13 the numbers in the diagram correspond with the numbers of the instruction steps and do the following 1 Plug your Local Console s keyboard monitor and mouse into the unit s Console Ports Each port is color coded and marked with an appropriate icon to identify itself 2 Use Cat 5 cable to connect any available KVM port to a KVM Adapter Cable that is appropriate for the computer you are installing see KVM Adapter Cables page 4 for details Note The KH1508 KH1516 does not support distances between itself and the KVM Adapter Cable that exceed 40 m 3 Connect the KVM Adapter Cable to the computer Plug the connectors on the KVM Adapter Cable into the appropriate ports of the computer you are installing See KVM Adapter Cable Installation Diagrams page 14 for connection examples 4 Plug the female end of the power cord into the KH1508 KH1516 s P
10. is set with the Scan Duration setting under the F3 SET function see page 27 As each computer is accessed an S appears in front of the Port ID display to indicate that it is being accessed under Auto Scan Mode While you are in Auto Scan Mode you can pause the scanning in order to keep the focus on a particular computer either by pressing P or with a Left Click of the mouse To resume scanning press any key or left click again See Invoking Auto Scan page 39 for details To stop scanning and stay at a particular location press the Spacebar or Esc to exit Auto Scan Mode If the scanning stops on an empty port or one where the computer is attached but is powered Off the monitor screen will be blank and the mouse and keyboard will have no effect Simply wait after the Scan Duration time is up the Scan function will move on to the next port While Auto Scan Mode is in effect the console will not function normally You must exit Auto Scan Mode in order to regain control of the console To exit Auto Scan Mode press the Spacebar or Esc 34 Chapter 4 OSD Operation F8 LOUT Clicking the F8 field or pressing F8 logs you out of the OSD and blanks the Console screen This is different from simply deactivating the OSD when you are at the Main Screen by pressing Esc With this function you must log in all over again to regain access to the OSD whereas with Esc all you have to do to reenter the OSD is ta
11. page 50 48 Chapter 7 Firmware Upgrade Upgrade Succeeded After the upgrade has completed a screen appears to inform you that the procedure was successful 25 Firmware Upgrade Utility The Firmware upgrade was successful Click Finish to close the utility Device List Status Messages gt Loading amp testing files EMEN uum gt Searching for devices gt Preparing firmware ug parade gt Firmware version is mt newer than device MAIN 001 001 gt Firmware version is not newer than device IO2 001 003 gt Preparing firmware upgrade OK gt Upgrading device MAIN 001 001 gt Upgrading device MAIN 001 001 OK gt gt Upgrading device 102 001 003 device 102 001 003 OK Device Description de i I Progress Help View Log Click Finish to close the Firmware Upgrade Utility Upgrade Failed If the upgrade failed to complete successfully a dialog box appears asking if you want to retry Click Yes to retry If you Click No the Upgrade Failed screen appears 95 Firmware Upgrade Utility The Firmware upgrade failed Click Cancel to close the utility then try again Device List Status Messages gt Loading de testing files gt Loading amp testing files OK gt Searching for devices gt Preparing firmware upgrade gt Firmware version is not newer than device MAIN 001 001 gt Firmware version is not newer than device IO2 001 003 gede
12. support site and choose the model name that relates to your device to get a list of available Firmware Upgrade Packages 2 Choose the Firmware Upgrade Package you want to install usually the most recent and download it to your computer 3 Use the Firmware Upgrade Cable provided with this unit to connect a COM port on your computer to the Firmware Upgrade Port of your device 45 KH1508 KH1516 User Manual Note Ona daisy chained installation connect the cable to the First Station Master unit The chained stations Slaves will receive the upgrade via the daisy chain cables Shut down all of the computers but not the Stations on your KVM installation From your KVM switch console bring up the OSD see page 21 and select the FAADM function Scroll down to FIRMWARE UPGRADE Press Enter then press Y to invoke Firmware Upgrade Mode see page 31 For your reference the current firmware upgrade version displays on the screen Performing the Upgrade Starting the Upgrade To upgrade your firmware 1 2 Read and Agree to the License Agreement enable the I Agree radio button Run the downloaded Firmware Upgrade Package file either by double clicking the file icon or by opening a command line and keying in the full path to it The Firmware Upgrade Utility Welcome screen appears Welcome to Fumware Upgrade Utility device into Firmware Upgrade Mode E its Fir
13. that has been selected here will be Auto Scanned The default is for no ports to be selected SET ACCESSIBLE PORTS This function allows the Administrator to define User access to the computers on the installation on a Port by Port basis For each User select the target Port then press the Spacebar to cycle through the choices F Full access V View Only or blank Repeat until all access rights have been set then press Esc The default is F for all users on all Ports Note A blank setting means that no access rights are granted The Port will not show up on the User s LIST on the Main Screen RESET STATION IDS If you change the position of one of the Stations in the daisy chain the OSD settings will no longer correspond to the new situation This function directs the OSD to rescan the Station positions of the entire installation and updates the OSD so that the OSD Station information corresponds to the new physical layout Note Only the Station Numbers get updated Except for the Port Names all Administrator settings such as Set Accessible Ports Set Quick View Ports etc for all of the computers affected by the change have to be manually redone continues on next page 30 Chapter 4 OSD Operation Continued from previous page F4 ADM continued Setting Function SET Specifies the operating platform of the computer attached to each port OPERATING For each
14. the computers currently selected for Listing on the Main Screen with this function The submenu choices and their meanings are given in the table below Choice Meaning ALL Lists all of the ports on the installation QUICK VIEW Lists only the ports that have been selected as Quick View Ports see SET QUICK VIEW PORTS page 30 POWERED ON Lists only the ports that have their attached computers Powered On QUICK VIEW Lists only the ports that have been selected as Quick View Ports POWERED ON see SET QUICK VIEW PORTS page 30 and that have their attached computers Powered On Move the Highlight Bar to the choice you want then press Enter An icon appears before the choice to indicate that it is the currently selected one 25 KH1508 KH1516 User Manual F3 SET This function allows the Administrator and each User to set up an individual working environment A separate profile for each is stored by the OSD and is activated according to the Username provided during Login To change a setting 1 Double click it or move the highlight bar to it then press Enter 2 After you select an item a submenu with further choices appears To make a selection either Double Click it or move the Highlight Bar to it then press Enter An icon appears before the selected choice to indicate which one it is The settings are explained in the following table Setting Function OSD Selects which Hotkey activa
15. A gt Upgrading device MAIN DOL ol failed code 4134 gt gt Upgrading device IO2 001 003 numus device 102 001 003 canceled Device Description Ec Help View Log Click Cancel to close the Firmware Upgrade Utility See the next section Firmware Upgrade Recovery for how to proceed 49 KH1508 KH1516 User Manual Firmware Upgrade Recovery There are basically four conditions that call for firmware upgrade recovery When the unit s firmware becomes corrupted for some reason and you are unable to operate it When you invoke Firmware Upgrade Mode see FIRMWARE UPGRADE page 31 but decide not to proceed with the upgrade When a firmware upgrade procedure is interrupted When a firmware upgrade procedure fails To perform a firmware upgrade recovery do the following 1 Slide the Firmware Upgrade Recovery Switch see page 7 to the Recover position 2 Power off and restart the switch according to the instructions given in the Powering Off and Restarting section see page 19 dd Repeat the upgrade procedure starting with Performing the Upgrade page 46 4 When the upgrade ends power off the switch 5 Slide the Firmware Upgrade Recovery Switch back to the Normal position 6 Repeat Step 2 Note If one ofthe child units fails to upgrade successfully unchain it from the installation and perform the recovery and upgrade operation on it independently After it ha
16. AUTUSCN Enterprise KVM Solutions by ATEN Cat 5 High Density KVM Switch KH1508 KH1516 User Manual www aten com KH1508 KH1516 User Manual FCC Information This is an FCC Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense RoHS This product is RoHS compliant SJ T 11364 2006 The following contains information that relates to China Bi din ANE BBE BR BEE BARE O O RIVAS A EIRENE KMR IE HI ES JT 11363 20063 XER IREEKZ To O 3c A EBERT EES EU EDEN R HAMA PHA SMU SJT 11363 20068 REEK X XAR SEG E IRE DAA RIMA PHA uu HHSJ T 11363 20068 IR EEK cere B KH1508 KH1516 User Manual User Information Online Registration Be su
17. KH1516 Function Module Connect to devices with PS 2 ports KA9520 Connect to devices with USB ports KA9570 Connect to Sun Legacy systems with 13W3 port KA9130 Connect to Sun USB systems KA9131 Connect to serial based devices KA9140 Note KVM Adapter Cables are referred to as I O Modules in some dialog boxes Chapter 1 Introduction Operating Systems DOS 6 2 and higher Windows Win 95 and higher Linux Red Hat 6 0 and higher Mandrake Mandriva 9 0 and higher SUSE 82 and higher Free BSD 3 51 and higher Netware 5 0 and higher OS 2 AIX 4 3 and higher Sun Solaris 8 and higher KH1508 KH1516 User Manual Components Front View KH1508 182 0 o LJ 3 4 5 6 7 KH1516 182 sd aaa 0 D 3 4 5 6 7 Chapter 1 Introduction no SAE Description nent 1 Port l Press a switch to give the KVM focus to the computer attached Selection to its corresponding port Switches Simultaneously pressing Buttons 1 and 2 for 3 seconds performs a Keyboard and Mouse Reset Simultaneously pressing Buttons 7 and 8 starts Auto Scan Mode 2 PortLEDs The Port LEDs are built into the Port Selection Switches The left ones are the On Line LEDs the right ones are the Se ected Port LEDs An On Line LED lights GREEN to indicate that the comput
18. Scan 39 Summary Table 42 Setting the Scan Interval 38 Hotkey Mode auto scanning 38 Stopping 39 exiting 37 B invoking 37 Beeper Hotkey Control 41 l Installation C Single Station 12 Components Invoking Hotkey Mode 37 Front View 6 Rear View 8 K Connection Tables 59 Keyboard Emulation Mac 43 D Sun 44 Daisy Chaining 15 Keyboard port control 37 KH1508 F Front View 6 Factory Default Settings 60 Rear View 8 Features 3 KH1516 Firmware upgrade 45 Front View 6 cable 45 Rear View 8 port 45 KVM adapter installation 14 recovery 50 54 Firmware upgrade mode L invoking 46 LEDs Front View 6 Port 7 Station ID 7 H Hardware Setup 9 O Hot Plugging Online Registration iii 67 KH5108 KH5116 User Manual OSD Factory Default Settings 60 Functions 24 Hotkey 21 Main Screen Headings 23 Navigation 23 Overview 21 Password 21 P Password 21 Port LEDs 7 Selection 17 Port ID Numbering 19 Powering Off and Restarting 19 R Rack Mounting 11 Rear View 8 Requirements Computer 4 Console 4 KVM Adapter Cables 4 Operating Systems 5 Reset Switch 7 RoHS ii S Safety Instructions General 55 Rack Mounting 57 Scan Duration 27 Selecting the Active Port 38 Setting the Auto Scan Interval 27 38 Setting the Scan Interval 27 Single Station Installation 12 SJ T 11364 2006 ii Skip Mode 40 Stacking 10 Station ID LEDs 7 T Technical Support 58 Telephone
19. Station ID LED The Station ID for the First Stage unit is 01 the ID for the Second Stage unit is 02 the ID for the Third Stage unit is 03 etc KH1508 KH1516 User Manual b Power on each station on the installation in turn Second Station then Third Station etc In each case wait for the Station ID to be ascertained and displayed before powering on the next station c After all the Stations are up power on the computers Daisy Chain Installation Diagram E JL JG JC IE IE AL IE Af IE JC JC 36 3C 36 dC 10 1 E O O BP CALL A rs ii a 16 Chapter 3 Basic Operation Port Selection KH1508 KH1516 installations provide three methods to obtain instant access to any computer in your installation Manual OSD and Hotkey Manual For a stand alone switch or the first stage unit of a daisy chained installation simply press the Port Switch that corresponds to the device you wish to access For a daisy chained switch do the following 1 Press the Port Switch on the parent unit that the daisy chained switch is connected to Note On a multi stage installation see Daisy Chaining page 15 work your way back to the first stage unit 2 Press
20. USEN This warranty does not cover products sold AS IS or WITH FAULTS IN NO EVENT SHALL ALTUSEN S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FURTHER ALTUSEN SHALL NOT BE RESPONSIBLE FOR DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFTWARE OR ITS DOCUMENTATION ALTUSEN SHALL NOT IN ANY WAY BE RESPONSIBLE FOR WITHOUT LIMITATION LOSS OF DATA LOSS OF PROFITS DOWNTIME GOODWILL DAMAGE OR REPLACEMENT OF EQUIPMENT OR PROPERTY AND ANY EXPENSES FROM RECOVERY PROGRAMMING AND REPRODUCTION OF ANY PROGRAM OR DATA ALTUSEN makes no warranty or representation expressed implied or statutory with respect to its products contents or use of this documentation and all accompanying software and specifically disclaims its quality performance merchantability or fitness for any particular purpose ALTUSEN reserves the right to revise or update its product software or documentation without obligation to notify any individual or entity of such revisions or update For details about extended warranties please contact one of our dedicated value added resellers 65 KH1508 KH1516 User Manual This Page Intentionally Left Blank 66 Index A Stations 18 Hotkey Beeper Control 41 Adapter cable installation 14 Administrator Login Failure 62 Auto Scanning 27 38 Port Control 37 Invoking Auto Scan 39 Selecting the Active Port 38 Pausing Auto
21. al OSD Functions OSD functions are used to configure and control the OSD For example you can rapidly switch to any port scan selected ports only limit the list you wish to view designate a port as a Quick View Port create or edit a port name or make OSD setting adjustments To access an OSD function 1 Either Click a Function Key field at the top of the Main Screen or press a Function Key on the keyboard 2 In the Submenus that appear make your choice either by Double Clicking it or moving the Highlight Bar to it and then pressing Enter 3 Press Esc to return to the previous menu level F1 GOTO GOTO allows you to switch directly to a port either by keying in the port s Name or its Port ID Tousethe Name method key in 1 key in the port s Name and then press Enter Touse the Port ID method key in 2 key in the Port ID and then press Enter Note You can key in a partial Name or Port ID In that case the screen will show all the computers that the User has View rights to see SET ACCESSIBLE PORTS page 30 that match the Name or Port ID pattern regardless of the current List settings see F2 LIST page 25 for details To return to the OSD Main Menu without making a choice press Esc 24 Chapter 4 OSD Operation F2 LIST This function lets you broaden or narrow the scope of which ports the OSD displays lists on the Main Screen Many of the OSD functions only operate on
22. al voltage setting was not selected prior to operation PLEASE VERIFY THAT THE VOLTAGE SETTING IS CORRECT BEFORE USE KH1508 KH1516 User Manual Package Contents The KH1508 KH1516 package consists of 1 KH1508 or KH1516 Cat 5 High Density KVM Switch 1 Firmware Upgrade Cable Power Cord Rack Mount Kit Foot Pad Set 4 pcs User Manual Quick Start Guide 1 Registration Card Check to make sure that all of the components are present and in good order If anything is missing or was damaged in shipping contact your dealer Read this manual thoroughly and follow the installation and operation procedures carefully to prevent any damage to the switch or to any other devices on the KH1508 KH1516 installation Features may have been added to the KH1508 KH1516 since this manual was printed Please visit our web site to download the most up to date version of the manual Copyright 2006 Al EN International Co Ltd Manual Part No PAPE 0268 2AXG Printing Date 11 2007 Altusen and the Altusen logo are registered trademarks of ATEN International Co Ltd All rights reserved All other brand names and trademarks are the registered property of their respective owners KH1508 KH1516 User Manual Contents FGG Informalioh Joke se nne See lane ash hen neee ene ace ii SJ T 11364 20006 arn Arean Lee edat ale ERE de A D E LAO ii User Information eenen ne iii Online Registration
23. before activating hotkey Auto Scanning if you wish with the following hotkey combination 1 Invoke Hotkey Mode see page 37 2 Key in T n Where T is the letter T and n is a number from 1 255 that represents the number of seconds for the dwell time The letter T and the numbers display on the Command Line as you key them in If you make a mistake use Backspace to erase the wrong number 3 Press Enter After you press Enter you automatically exit Hotkey Mode and are ready to invoke Auto Scanning 38 Chapter 5 Keyboard Operation Invoking Auto Scan To start Auto Scanning key in the following hotkey combination 1 2 Invoke Hotkey Mode see page 37 Press A After you press A you automatically exit Hotkey Mode and enter Auto Scan Mode and Auto Scanning begins While you are in Auto Scan Mode you can pause the scanning in order to keep the focus on a particular computer by pressing P During the time that Auto Scanning is paused the Command Line displays Auto Scan Paused Pausing when you want to keep the focus on a particular computer is more convenient than Exiting Auto Scan Mode because when you Resume scanning you start from where you left off If on the other hand you Exited and restarted Scanning would start over from the very first computer on the installation To resume Auto Scanning press any key Scanning continues from where it left off While Auto Sca
24. bled Beeper Y Activated Accessible Ports F Full Access For all Users on all Ports Hotkey Command Mode Y Activated Set Operating System Win Keyboard Language Auto Set Console Mode 0 Dual Console Hotkey Num Lock Restore Default Values N Clear the Name List N Reset Station IDs Y Firmware Upgrade N 60 Appendix Specifications Function KH1508 KH1516 Computer Direct 8 16 VERDE Max 256 via Daisy Chain 512 via Daisy Chain Port Selection OSD On Screen Display Hotkeys Pushbutton Switches Connectors Console KB 1 x 6 pin Mini DIN F Purple Video 1 x HDB 15 F Mouse 1 x 6 pin Mini DIN F Green KVM Ports 8 x RJ 45 16 x RJ 45 Daisy Chain 1x DB 25 F 1 x DB 25 M F W Upgrade 1x RJ 11 Power 3 Prong AC socket Switches Port Selection 8 x Pushbutton 16 x Pushbutton Reset 1 x Semi recessed pushbutton F W Upgrade 1 x Slide Power 1 x Rocker LEDs On Line 8 Green 16 Green Selected 8 Orange 16 Orange Power 1 Blue Station ID 2 x 7 segment Orange I P Rating AC 100 240V 50 60 Hz Power Consumption 15 5 W 15 7 W Emulation Keyboard Mouse PS 2 Scan Interval 1 255 secs Video 1600 x 1200 60Hz 30m 1280 x 1024 9 60Hz 40m DDC2B Environment Operating Temp 0 50 C Storage Temp 20 60 C Humidity 0 80 RH Physical Housing Metal Properties Weight 2 75 kg Dimensio
25. d 80 percent of the branch circuit rating Ensure that proper airflow is provided to devices in the rack Do not step on or stand on any device when servicing other devices in a rack 57 KH1508 KH1516 User Manual Technical Support Technical support is available both by email and online with a browser over the web International Email Support support aten com Online Technical Support http support aten com Support gt Troubleshooting http www aten com Documentation Software Updates Telephone Support 886 2 8692 6959 North America Email Support ATEN TECH support aten usa com ATEN NJ sales aten com Online Technical Support ATEN TECH http www aten usa com support Support ATEN NJ http support aten com Troubleshooting ATEN TECH http www aten usa com Documentation Software Updates ATEN NJ http www aten com Telephone Support ATEN TECH 1 888 999 ATEN ATEN NJ 1 732 356 1703 When you contact us please have the following information ready beforehand Product model number serial number and date of purchase Your computer configuration including operating system revision level expansion cards and software Any error messages displayed at the time the error occurred The sequence of operations that led up to the error Any other information you feel may be of help Appendix Connection Tables The
26. dinary keyboard and mouse functions are suspended only Skip Mode compliant keystrokes can be input You must exit Skip Mode in order to regain normal control of the console 3 To exit Skip Mode press Esc or Spacebar 40 Chapter 5 Keyboard Operation Hotkey Beeper Control The Beeper see ACTIVATE BEEPER page 29 can be hotkey toggled On and Off To toggle the Beeper key in the following hotkey combination 1 Invoke Hotkey Mode see page 37 2 Press B After you press B the Beeper toggles On or Off The Command Line displays Beeper On or Beeper Offfor one second then the message disappears and you automatically exit Hotkey Mode 41 KH1508 KH1516 User Manual Hotkey Summary Table Num Lock Port ID Enter or Ctrl F12 Port ID Enter Switches access to the computer that corresponds to that Port ID Num Lock A or Ctrl F12 A Invokes Auto Scan Mode P Left click When in Auto Scan Mode it pauses Auto Scanning Any key Resumes Auto Scanning after pausing Esc Spacebar Right click Exits Auto Scan Mode Num Lock Arrow or Num Lock Arrow Invokes Skip Mode and Switches computer access depending on which Arrow was pressed c Skips from the current port to the first accessible port previous to it gt Skips from the current port to the next accessible port M Ski
27. e OSD is being run or if the password function has not been set simply press Enter The OSD Main Screen comes up in Administrator Mode In this mode you have administrator privileges with access to all Administrator and User functions and can set up operations including password authorization for the future as you would like 21 KH1508 KH1516 User Manual When you invoke the OSD a screen similar to the one below appears ADMINISTRATOR ATEN INTL CO 1 ATEN INTL CO 2 ATEN INTL CO 3 FAX SERVER 1 FAX SERVER 2 WEB SERVER 1 Note 1 Thediagram depicts the Administrator s Main Screen The User Main Screen does not show the F4 and F6 functions since these are reserved for the Administrator and can t be accessed by ordinary Users The OSD always starts in List view with the highlight bar at the same position it was in the last time it was closed Only the ports that have been set accessible by the Administrator for the currently logged in User are visible see SET ACCESSIBLE PORTS page 30 for details 22 Chapter 4 OSD Operation OSD Navigation To dismiss the menu and deactivate the OSD Click the X at the upper right corner of the OSD Window or press Esc To Logout click F8 or the zZ symbol at the top of the Main Screen or press F8 The OSD uses a tree view To see the ports for a particular station click the plus sign in front of the Station Number The Port Number lis
28. e installation is assigned a unique Port ID The Port ID is a one or two segment number that is determined by the Stage Level and KVM Port number of the KVM switch that the computer is connected to The first segment represents the Stage Level of the KVM switch the second segment represents the KVM Port number that the computer is plugged into For example a computer that is connected to KVM Port 3 of a KVM switch that is in the 12th position of the daisy chain would have a PortID of 12 03 Note Single digit numbers 1 9 are padded with a preceding zero 0 KH1508 KH1516 User Manual This Page Intentionally Left Blank 20 Chapter 4 OSD Operation OSD Overview The On Screen Display OSD is a menu driven method to handle computer control and switching operations All procedures start from the OSD Main Screen To pop up the Main Screen tap Scroll Lock twice Note Youcan optionally change the Hotkey to the Ctrl key in which case you would tap Ctrl twice see OSD HOTKEY page 26 With this method the Ctrl keys must be on the same side both left or both right The OSD incorporates a two level Administrator User password system Before the OSD Main Screen comes up a login dialog box appears that asks for your username password If the password function has been set you must provide a valid username and password in order to access the OSD Main Screen If this is the first time that th
29. er attached to its corresponding port is up and running A flashing LED indicates that the Port is being used for cascading to another switch A Selected LED lights ORANGE to indicate that the computer attached to its corresponding port is the one that has the KVM focus The LED is steady under normal conditions but flashes when its port is accessed under Auto Scan Mode 3 Reset Pressing this switch in performs a system reset Switch Note The switch is recessed and must be pushed with a thin object such as the end of a paper clip or a ballpoint pen 4 Firmware During normal operation and while performing a firmware Upgrade upgrade this switch should be in the NORMAL position If a Recovery firmware upgrade operation does not complete successfully this Switch switch is used to perform a firmware upgrade recovery See Firmware Upgrade Recovery page 50 for details 5 Firmware The Firmware Upgrade Cable that transfers the firmware upgrade Upgrade data from the administrator s computer to the KH 1508 Port KH1516 see page 45 plugs into this RJ 11 connector 6 Power LED Lights to indicate that the KH1508 KH1516 is powered up and ready to operate 7 StationID The KH1508 KH1516 s Station ID is displayed here If this is a LED Single Station installation see page 12 or the First Station on a Daisy Chained installation see page 15 the KH1508 KH1516 has a Station ID of 01 On a Daisy Chained installa
30. esult Do not use the device near water Do not place the device near or over radiators or heat registers The device cabinet is provided with slots and openings to allow for adequate ventilation To ensure reliable operation and to protect against overheating these openings must never be blocked or covered The device should never be placed on a soft surface bed sofa rug etc as this will block its ventilation openings Likewise the device should not be placed in a built in enclosure unless adequate ventilation has been provided Never spill liquid of any kind on the device Unplug the device from the wall outlet before cleaning Do not use liquid or aerosol cleaners Use a damp cloth for cleaning The device should be operated from the type of power source indicated on the marking label If you are not sure of the type of power available consult your dealer or local power company The device is designed for IT power distribution systems with 230V phase to phase voltage The device is equipped with a 3 wire grounding type plug This is a safety feature If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not attempt to defeat the purpose of the grounding type plug Always follow your local national wiring codes Do not allow anything to rest on the power cord or cables Route the power cord and cables so that they cannot be stepped on or tripped over Conti
31. following table indicates the relationship between the number of KH1508 KH1516 units and the number of computers that they control KH1508 MVs Computers MVs Computers 1 1 8 65 72 129 136 25 193 200 2 9 16 73 80 137 144 26 201 208 3 17 24 81 88 145 152 27 209 216 4 25 32 89 96 153 160 28 217 224 5 33 40 97 104 161 168 29 225 232 6 41 48 105 112 169 176 30 233 240 T 49 56 113 120 177 184 31 241 248 8 57 64 121 128 185 192 32 249 256 KH1516 MVs Computers MVs Computers Computers MVs Computers 1 1 16 129 144 257 272 25 385 400 2 17 32 145 160 273 288 26 401 416 3 33 48 161 176 289 304 27 417 432 4 49 64 177 192 305 320 28 433 448 5 65 80 193 208 321 336 29 449 464 6 81 96 209 224 337 352 30 465 480 7 97 112 225 240 353 368 31 481 496 8 113 128 241 256 369 384 32 497 512 59 KH1508 KH1516 User Manual OSD Factory Default Settings The factory default settings are as follows Setting Default OSD Hotkey Scroll Lock Scroll Lock Port ID Display Position Upper Left Corner Port ID Display Duration 3 Seconds Port ID Display Mode The Port Number plus the Port Name Scan Duration 5 Seconds Scan Skip Mode All Screen Blanker 0 Disabled Logout Timeout 0 Disa
32. from the OSD screenshot shown on page 22 The OSD Operation chapter refers to the F6 BRC function My OSD doesn t have that function The HOTKEY setting described on page 27 doesn t appear under my F3 SET OSD menu The SET OPERATING SYSTEM SET CAT 5 CABLE LENGTH and SET KEYBOARD LANGUAGE settings described on page 31 don t appear under my F4 ADM OSD menu See User Manual Corrections page 64 63 KH1508 KH1516 User Manual User Manual Corrections The KH1508 KH1516 User Manual describes certain features that may not be available on your KVM switch The table below lists the features in question Please update your manual according to the information described Page Item Correction 22 Screenshot If your OSD does not have the F6 BRC function replace the OSD screenshot shown on page 22 with the one below F1 GOTO F3 SET F5 SKP F7 SCAN F2 LIST F4 ADM F8 LOUT ADMINISTRATOR LIST ALL SN PN n ATEN INTL CO 1 ATEN INTL CO 2 n ATEN INTL CO 3 n FAX SERVER 1 FAX SERVER 2 Eo WEB SERVER 1 WEB SERVER 2 Io MAIL SERVER 1 Note 1 If your OSD does not have the F6 BRC function ignore the reference to the F6 function shown in the note 23 OSD Navigation If your OSD does not show a tree view format it uses a Bullet 3 Station Number Port Number SN PN format like the one in the screenshot above 27 HOTKEY If there is no HOTKEY entry in your F3 SET menu ig
33. ging this function may not work properly Hot Plugging Console Ports Keyboard monitor and mouse can all be hot plugged When hot plugging the mouse You may unplug the mouse and plug it back in again to reset the mouse for example as long as you use the same mouse If you plug in a different mouse all the stations and all the computers on the installation must be shut down for 10 seconds then restarted following the Power Up Sequence described under Step 6 on page 15 Note If after hot plugging or at any other time there is no response to keyboard and or mouse input perform a Keyboard and Mouse Reset by pressing in the Reset switch see page 7 Chapter 3 Basic Operation Powering Off and Restarting If it becomes necessary to power off the KH1508 KH1516 or if the switch loses power and needs to be restarted before starting it back up you must follow these procedures 1 Shut down all the computers that are attached to it Note You must unplug the power cords of any computers that have the Keyboard Power On function 2 Wait 10 seconds then power it back on If you have shut down more than one station power up the highest station first and work your way down to the lowest one Wait for each station to display its Station ID on the front panel LED before powering on the next one 3 After the station s is are up power the computers back on Port ID Numbering Each computer on th
34. he word Hotkey in yellow text on a blue background and displays the subsequent hotkey information that you key in Ordinary keyboard and mouse functions are suspended only hotkey compliant keystrokes described in the sections that follow can be input Pressing Esc exits Hotkey Mode 37 KH1508 KH1516 User Manual Selecting the Active Port Each Computer Port is assigned a Port ID see Port ID Numbering page 19 You can directly access any computer on the installation with a hotkey combination that specifies the Port ID of the Computer Port that the computer is connected to The steps involved are 1 Invoke Hotkey Mode see page 37 2 Keyin the Port ID The Port ID numbers display on the Command Line as you key them in If you make a mistake use Backspace to erase the wrong number 3 Press Enter After you press Enter the KVM focus switches to the designated computer and you automatically exit Hotkey Mode Auto Scanning Auto Scan automatically switches among all the active Computer Ports that are accessible to the currently logged on User at regular intervals so that he can monitor their activity automatically See SCAN SKIP MODE of the OSD F3 SET function page 26 for information regarding accessible ports Setting the Scan Interval The amount of time Auto Scan dwells on each port is set with the SCAN DURATION setting of the OSD F3 SET function see page 26 You can change the scan interval
35. iven OSD On Screen Display system A convenient Auto Scan function also permits automatic scanning and one by one monitoring of the activities of selected computers There is no better way to save time and money than with a KH1508 KH1516 installation By allowing a single console to manage up to 512 computers a KH1508 KH1516 installation 1 eliminates the expense of having to purchase a separate keyboard monitor and mouse for each 2 saves all the space those extra components would take up 3 saves on energy costs and 4 eliminates the inconvenience and wasted effort involved in constantly moving from one computer to another Chapter 1 Introduction Features A single console controls up to 8 KH1508 or 16 KH1516 computers Dedicated chain ports daisy chain up to 31 additional units control up to 512 computers from a single console Extends the distance between computers and switch up to 30m 1007 for resolutions of 1600 x 1200 60Hz up to 40 m 130 for resolutions of 1280 x 1024 60Hz Custom ASIC patent pending auto senses station s position on daisy chained installations no need for manual DIP switch setting front panel LED indicates station s position Multiplatform support PC Mac Sun and terminal based systems No software required convenient computer selection via port selection switches Hotkeys and intuitive On Screen Display OSD menus Auto Scan feature for monitoring use
36. len ede nib d ee Iud st pd 17 Mani wekRGAGEGUUER UR adn EED 17 OSD rt en a e EERE Ea ae 17 Hotkey zoe e Seat me Erna ned kha pe ell Eede 17 Hot Plugging Sn 1i emo Certe br e re ned dn 18 Hot Plugging Stations nennen 18 Hot Plugging KVM Ports llle 18 Hot Plugging Console Ports llle esee eese 18 Powering Off and Restarting none eeen 19 Port ID Numbering oneven ee B 19 Chapter 4 OSD Operation OSD Overview io Re ee ae EE Wei ane 21 OSD Navigation oem e ebat ata ter AME ee ARA E eas 23 OSD Main Screen Headings eneen eee 23 OSD Functions zaet aen kt erde ee ah a 24 ELGOTO ice tnt dee ee bee lm 24 ELLIS Tocina ee tel HV 25 FISE Tos 2 sting costi teca uie qoa ao NEL 26 FA ADM cR dH Ip e erige 28 FS SKP imeem tee antec cs 32 F6 BRQ uus eU REESE Eel dr s eun 33 FZ SCAN nennen ela SURE cR Rd ee ade ere aleen 34 ES EQUT oz ERR er EE RSS An 35 Chapter 5 Keyboard Operation Keyboard Port Control eee een 37 Invoking Hotkey Mode neee 37 Selecting the Active Port 38 Auto Scanning enen ee eeen 38 Setting the Scan Interval nnee 38 Invoking Auto Scan eese 39 Skip MOORE c ecd aanreed gd a MR E ky 40 Hotkey Beeper Control eee eeen 41 Hotkey Summary Table eeen 42 Chapter 6 Keyboard Emulation Mac Keyboard tuss eli hb enen RIPE Uh dd ey 43 Sun Keyboard tie e aep error eR ERU TR dre a pups 44 vi KH1508 KH1516 User Manual Chapter 7 Firmware Upgrade KH1508 KH1516
37. mware Upgrade Port to your computer with the Pa peaks Upgrade Cable or via Ethernet agres to the License Agreement Thea Then Click Next LICENSE AGREEMENT LICENSE GRANT ATEN International Co Lid mas to you a non exclusive non transferable license to access and use FIRMWARE aM ECC EE set forth below Nou m eed E el tae ak storage device install and ese the Product on a file server for use on a network for the purposes of i permanent installation onto hard disks or other storage devices or Gs eve of the Product over soch network and make backup copies of the Product RESTRICTIONS You Sarva ne ke lay odani talii revere recompile disassemble or olberwise attempt to discover the som en code of the Prodsct or creas derivative motks based on the Product or remove any proprietary notices or labels on the Product inch copyright trademark or tA notices wy ny sts bn or otherwise prep Sahm i rire i ll D Agree I Don t Agree ome Aem LER De o 46 Chapter 7 Firmware Upgrade 3 Click Next to continue The Firmware Upgrade Utility main screen appears O Firmware Upgrade Utility If Check Firmware Version is checked the utility compares the device s firmware level with the upgrade files If the device s version is newer the utility lets you decide whether to continue or not If it is not checked the utility performs the upgrade directly Click Next to begin Device List Status Messages gt
38. n Note Aten ACS1208 ACS1216 switches can also be installed on a KH1508 KH1516 daisy chain Tables showing the relation between the number of computers and the number of KH1508 KH1516 units needed to control them are provided on page 59 To set up a daisy chained installation do the following 1 Use a daisy chain cable set to connect the Chain Out port of the parent KH1508 KH1516 unit to the Chain In port of the child KH1508 KH1516 unit First Station Out to Second Station In Second Station Out to Third Station In etc Note 1 You cannot use the Chain In port of the First Station since it is the highest level parent 2 Daisy chain cable sets require a separate purchase see your dealer for details 2 Use Cat 5 cable to connect any available KVM port to a KVM Adapter Cable that is appropriate for the computer you are installing see KVM Adapter Cables page 4 for details Note The KH1508 KH1516 does not support distances between itself and the KVM Adapter Cable that exceed 40 m 3 Connect the KVM Adapter Cable to the computer 4 Use the power cord supplied with this package to connect the KH1508 KHI516 to an AC power source 5 Repeat steps 1 4 for any other switches you want to add to the chain 6 Power up the installation according to the following procedure a Plug in the power adapter for the First Station Wait for the unit to ascertain its Station ID and display it on the
39. n Mode is in effect ordinary keyboard and mouse functions are suspended only Auto Scan Mode compliant keystrokes can be input You must exit Auto Scan Mode in order to regain normal control of the console 3 To exit Auto Scan Mode press Esc or Spacebar Auto Scanning stops when you exit Auto Scan Mode 39 KH1508 KH1516 User Manual Skip Mode This feature allows you to switch between computers in order to monitor them manually You can dwell on a particular port for as long or as little as you like as opposed to Auto Scanning which automatically switches after a fixed interval To invoke Skip Mode key in the following hotkey combination 1 Invoke Hotkey Mode see page 37 2 Key in Arrow Where Arrow refers to one of the Arrow keys After you press Arrow you automatically exit Hotkey Mode and enter Skip Mode where you can switch ports as follows Skips from the current port to the first accessible port previous to it See SCAN SKIP MODE page 27 for information regarding accessible ports Skips from the current port to the next accessible port T Skips from the current port to the last accessible port of the previous Station al Skips from the current port to the first accessible port of the next Station Once you are in Skip Mode you can keep on skipping by pressing the Atrow keys You don t have to use the NumLock combination again While Skip Mode is in effect or
40. nore the HOTKEY reference in the table on this page 31 SET OPERATING SYSTEM SET CAT 5 If these functions do not appear as separate entries on the CABLE LENGTH F4 ADM menu they can be found under the PORT SETTINGS entry of the F4 ADM menu SET KEYBOARD LANGUAGE 33 F6 BRC Function If your OSD does not have the F6 BRC function ignore the reference to the F6 function on this page 64 Appendix Limited Warranty ALTUSEN warrants this product against defects in material or workmanship for a period of one 1 year from the date of purchase If this product proves to be defective contact ALTUSEN s support department for repair or replacement of your unit ALTUSEN will not issue a refund Return requests can not be processed without the original proof of purchase When returning the product you must ship the product in its original packaging or packaging that gives an equal degree of protection Include your proof of purchase in the packaging and the RMA number clearly marked on the outside of the package This warranty becomes invalid if the factory supplied serial number has been removed or altered on the product This warranty does not cover cosmetic damage or damage due to acts of God accident misuse abuse negligence or modification of any part of the product This warranty does not cover damage due to improper operation or maintenance connection to improper equipment or attempted repair by anyone other than ALT
41. ns 43 70 x 16 10 x 4 40 cm 61 KH1508 KH1516 User Manual Administrator Login Failure If you are unable to perform an Administrator login because the Username and Password information has become corrupted or you have forgotten it for example you can clear the login information with the following procedure 1 Power off the KH1508 KH1516 and remove its housing 2 Short the jumper labeled J8 AS kl 1 BJ DC1 DEFAULT PASSWORD J8 U63 3 Power on the switch The on screen display will show a message informing you that the password information has been cleared 4 Power off the switch 5 Remove the jumper cap from J8 6 Close the housing and start the KH1508 KH1516 back up After you start back up you can use the default Username and Password see OSD Overview page 21 to log in 62 Appendix Troubleshooting Symptom Action Mouse and or Keyboard not responding The mouse and or keyboard need to be reset Unplug the cable s from the console port s then plug it them back in All Station IDs display as 01 Station 1 suddenly lost its power Wait a few seconds for the system to reinitialize the station sequence and display the proper IDs My OSD looks different
42. nues on next page 55 KH1508 KH1516 User Manual Continued from previous page If an extension cord is used with this device make sure that the total of the ampere ratings of all products used on this cord does not exceed the extension cord ampere rating Make sure that the total of all products plugged into the wall outlet does not exceed 15 amperes To help protect your system from sudden transient increases and decreases in electrical power use a surge suppressor line conditioner or uninterruptible power supply UPS Position system cables and power cables carefully Be sure that nothing rests on any cables When connecting or disconnecting power to hot pluggable power supplies observe the following guidelines Install the power supply before connecting the power cable to the power supply Unplug the power cable before removing the power supply If the system has multiple sources of power disconnect power from the system by unplugging all power cables from the power supplies Never push objects of any kind into or through cabinet slots They may touch dangerous voltage points or short out parts resulting in a risk of fire or electrical shock Do not attempt to service the device yourself Refer all servicing to qualified service personnel If the following conditions occur unplug the device from the wall outlet and bring it to qualified service personnel for repair The power cord or plug has bec
43. ome damaged or frayed Liquid has been spilled into the device The device has been exposed to rain or water The device has been dropped or the cabinet has been damaged Thedevice exhibits a distinct change in performance indicating a need for service The device does not operate normally when the operating instructions are followed Only adjust those controls that are covered in the operating instructions Improper adjustment of other controls may result in damage that will require extensive work by a qualified technician to repair 56 Appendix Rack Mounting Before working on the rack make sure that the stabilizers are secured to the rack extended to the floor and that the full weight of the rack rests on the floor Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack Always load the rack from the bottom up and load the heaviest item in the rack first Make sure that the rack is level and stable before extending a device from the rack Use caution when pressing the device rail release latches and sliding a device into or out of a rack the slide rails can pinch your fingers After a device is inserted into the rack carefully extend the rail into a locking position and then slide the device into the rack Do not overload the AC supply branch circuit that provides power to the rack The total rack load should not excee
44. on found in the manual is provided below Overview Chapter 1 Introduction introduces you to the KH1508 KH1516 system Its purpose features and benefits are presented and its front and back panel components are described Chapter 2 Hardware Setup describes how to set up your installation The necessary steps from a basic single stage hookup to a complete 32 switch daisy chained operation are provided Chapter 3 Basic Operation explains the fundamental concepts involved in operating the KH1508 KH1516 Chapter 4 OSD Operation provides a complete description of the KH1508 KH1516 s OSD On Screen Display and how to work with it Chapter 5 Keyboard Operation details all of the concepts and procedures involved in the keyboard hotkey operation of your KH1508 KH1516 installation Chapter 6 Keyboard Emulation provides tables that list the PC to Mac and PC to Sun keyboard emulation mappings Chapter 7 Firmware Upgrade explains how to upgrade the KH1508 KH1516 s firmware with the latest available versions An Appendix provides specifications and other technical information regarding the KH1508 KH1516 viii KH1508 KH1516 User Manual Conventions This manual uses the following conventions Monospaced A Indicates text that you should key in Indicates keys you should press For example Enter means to press the Enter key If keys need to be chorded they appear together in the
45. on keys see Keyboard Operation page 37 Choices are NUM LOCK or CTRL F12 The default is NUM LOCK 27 KH1508 KH1516 User Manual F4 ADM F4 is an Administrator only function It allows the Administrator to configure and control the overall operation of the OSD To change a setting Double Click it or use the Up and Down Arrow Keys to move the highlight bar to it then press Enter After you select an item a submenu with further choices appears Double Click the choice you want or move the Highlight Bar to it then press Enter An icon appears before the selected choice so that you know which one it is The settings are explained in the following table Setting Function SET This function is used to set Usernames and Passwords for the USERNAME Administrator and Users AND ini 1 One Administrator and four User passwords can be set PASSWORD is ilb l 2 After you select the Administrator field or one of the User fields a screen that allows you to key in your Username and Password appears The Username and Password may be up to 12 characters long and can consist of any combination of letters and numbers A Z a z 0 9 3 For each individual key in the Username and Password then press Enter 4 To modify or delete a previous Username and or Password use the backspace key to erase individual letters or numbers SET If there is no input from the console for the amount of time
46. ower Socket plug the male end into an AC power source 5 Turn on the power to the KH1508 KH1516 After the KH1508 KH1516 is powered up you can turn on the computers Chapter 2 Hardware Setup Single Stage Installation Diagram O O Y LOL OC JC JC JC 20202 CC 2C 2C JC 26 2C JC 7 KH1508 KH1516 User Manual KVM Adapter Cable Installation Diagrams A gt Me EBB ag ES EEE DE PN B Wi E BID LJ i B Wed GE zz E 8 EN Vey o y E 8 BE Cu Gump KA9520 KA9131 KA9570 KA9140 KA9130 14 Chapter 2 Hardware Setup Daisy Chaining To control even more computers up to 31 additional KH1508 KH1516 KVM switches can be daisy chained from the KVM ports of the KH1508 or KH1516 As many as 512 computers can be controlled from a single console in a complete installatio
47. p the OSD Hotkey Note 1 When you reenter the OSD after logging out the screen stays blank except for the OSD Main Menu You must input your password before you can continue 2 If you reenter the OSD after logging out and immediately use Esc to deactivate the OSD without having selected a port from the OSD menu a Null Port message displays on the screen The OSD Hotkey will bring up the Main OSD Screen 35 KH1508 KH1516 User Manual This Page Intentionally Left Blank 36 Chapter 5 Keyboard Operation Keyboard Port Control Keyboard port control allows you to provide KVM focus to a particular computer using hotkey combinations from the keyboard The KH1508 KH1516 provides the following hotkey port control features Selecting the Active Port Auto Scanning Skip Mode Switching Invoking Hotkey Mode All hotkey operations begin by invoking Hotkey Mode Invoking Hotkey Mode takes three steps 1 Hold down the Num Lock key 2 Press and release the minus key 3 Release the Num Lock key Num Lock Note The minus key must be released within one half second otherwise hotkey invocation is cancelled and it has no effect When Hotkey Mode is active The Caps Lock and Scroll Lock LEDs flash in succession to indicate so They stop flashing and revert to normal status when you exit Hotkey Mode A Command Line appears on the monitor screen The command line prompt is t
48. place via the Cat 5 cable that connects the adapter cable to the KVM switch so there is no firmware upgrade cable to attach 3 All the connected adapter cables get upgraded during a single upgrade session 51 KH1508 KH1516 User Manual Performing the Upgrade Starting the Upgrade To upgrade your firmware 1 3 Run the downloaded Firmware Upgrade Package file either by double clicking the file icon or by opening a command line and keying in the full path to it The Firmware Upgrade Utility Welcome screen appears see page 46 Read and Agree to the License Agreement enable the I Agree radio button then Click Next to continue The Firmware Upgrade Utility main screen appears 9 Firmware Upgrade Utility If Check Firmware Version is checked the utility compares the device s firmware level with the upgrade files If the device s version is newer the utility lets you decide whether to continue or not If it is not checked the utility performs the upgrade directly Click Next to begin Device List Status Messages gt Loading amp testing files file s OK Device Description IV Check Firmware Version Progress Help View Log Cancel The Utility inspects your installation All the devices capable of being upgraded by the package are listed in the Device List panel After all the devices have been listed click Next to perform the upgrade If you enabled Check Firmwa
49. port press the Spacebar to cycle through the choices PC SYSTEM Mac Sun and Other Repeat until all the ports have been set then press Esc The default is PC Note If you are installing a Sun or Mac computer before you run it for the first time you must set the correct operating system for the port it is connected to with this function otherwise it will not boot SET CAT 5 Lets you specify how long the Cat 5 cable between the port and the CABLE KVM adapter cable is Press Spacebar to cycle through the cable LENGTH length settings S Short for up to 25 m M Medium for between 20 and 40 m L Long for above 35 m An S M or L appears next to the port to indicate the choice SET Sets the keyboard language layout for the computers attached to each KEYBOARD port Press Spacebar to cycle through the choices English US LANGUAGE English UK French German Japanese Korean Traditional Chinese and Spanish The default is English US FIRMWARE In order to upgrade the KH1508 KH1516 s firmware see Firmware UPGRADE Upgrade page 45 you must first enable Firmware Upgrade Mode with this setting When you bring up this menu the current firmware version levels display Select Y to enable Firmware Upgrade Mode or N to leave this menu without enabling it ADAPTER In order to upgrade an Adapter Cables firmware see Adapter Cable UPGRADE Upgrade page 51 you must first enable its Upgrade Mode with this setting Pre
50. ps from the current port to the last accessible port of the previous Station 4 Skips from the current port to the first accessible port of the next Station Esc Spacebar Exits Skip Mode Num Lock H or Ctrl F12 H Num Lock T or Ctrl F12 T Changes the Hotkey Invocation keys from Num Lock to Ctrl F12 and vice versa Changes the OSD Hotkey from Scroll Lock Scroll Lock to Ctrl Ctrl and vice versa Num Lock F1 or Ctrl F12 F1 Sets the keyboard language layout of the port that has the KVM focus to Windows Num Lock F2 or Ctrl F12 F2 Sets the keyboard language layout of the port that has the KVM focus to Mac Num Lock F3 or Ctrl F12 F3 Sets the keyboard language layout of the port that has the KVM focus to Sun Num Lock R Enter or Ctrl F12 R Enter Resets the switch to the default settings Num Lock B or Ctrl F12 B Toggles the Beeper On or Off 42 Mac Keyboard Chapter 6 Keyboard Emulation The PC compatible 101 104 key keyboard can emulate the functions of the Mac keyboard The emulation mappings are listed in the table below PC Keyboard Mac Keyboard Shift Shift Ctrl Ctrl En 36 Ctrl 1 d Ctrl 2 mi Ctrl 3 mq Ctrl 4 A Alt Alt
51. pter 4 OSD Operation F6 BRC F6 is an Administrator only function When this function is in effect commands sent from the console are broadcast to all available computers on the installation This function is particularly useful for operations that need to be performed on multiple computers such as performing a system wide shutdown installing or upgrading software etc BRC works in conjunction with the F2 LIST function The LIST function see page 25 is used to broaden or narrow the focus of which Ports appear on the OSD Main Screen When you Broadcast a command it is to the Ports currently displayed on the OSD Main Screen While BRC Mode is in effect a Speaker symbol appears before the Port ID Display of the port that currently has the console focus While BRC Mode is in effect the mouse will not function normally You must exit BRC Mode in order to regain control of the mouse Toexit BRC Mode invoke the OSD with the OSD Hotkey then Click the F6 field or press F6 to turn BRC Mode off 33 KH1508 KH1516 User Manual F7 SCAN This function automatically switches among the available computers at regular intervals so that you can monitor their activity without having to take the trouble of switching manually The selection of computers to be included for Auto Scanning is made with the Scan Skip Mode setting under the F3 SET function see page 27 The amount of time that each Port displays for
52. r selected computers Hot Pluggable add or remove switches computers without having to power down the switches Two level password security only authorized users view and control the computers up to four Users plus an Administrator with separate profiles for each Two level logout Manual and Timed PS 2 keyboard and mouse emulation computers boot even when the console focus is elsewhere Superior video quality supports resolutions up to 1600 x 1200 60 Hz DDC2B Multi language keyboard support American UK English French German Traditional Chinese Japanese Korean Rack Mountable in 19 System Rack 1U KH1508 KH1516 User Manual Requirements Console AVGA SVGA or Multisync monitor capable of the highest resolution that you will be using on any computer in the installation APS 2style mouse APS 2 style keyboard Computers The following equipment must be installed on the computers that connect to the KH1508 or KH1516 s KVM ports A VGA SVGA or Multisync port A Type A USB port and USB host controller for USB KVM Adapter Cable Connection see below 6 pin mini DIN keyboard and mouse ports for PS 2 KVM Adapter Cable Connection see below KVM Adapter Cables Cat 5 or higher cable is required to connect the KH1508 KH1516 to one of the KVM Adapter Cables see Single Station Installation page 12 Thefollowing KVM Adapter Cables are required for use with the KH1508
53. re Version the Utility compares the device s firmware level with that of the upgrade files If it finds that the device s version is higher than the upgrade version it brings up a dialog box informing you of the situation and gives you the option to Continue or Cancel If you didn t enable Check Firmware Version the Utility installs the upgrade files without checking whether they are a higher level or not As the Upgrade proceeds status messages appear in the Status Messages panel and the progress toward completion is shown on the Progress bar 52 Chapter 7 Firmware Upgrade Upgrade Succeeded After the upgrade has completed a screen appears to inform you that the procedure was successful 9 Firmware Upgrade Utility The Firmware upgrade was successful Click Finish to close the utility Device List Status Messages KA 9570 001 002 gt Loading gt Searching for devices gt Preparing firmware upgrade gt Firmware version is not CA device KA 9570 001 002 ware upgrade gt renga device KA 9571 0 001 002 PESE device KA 9570 001 002 OK Device Description i K Progress Help View Log Click Finish to close the Firmware Upgrade Utility Note At the completion of the upgrade the KH1508 KH1516 restarts 53 KH1508 KH1516 User Manual Firmware Upgrade Recovery There are basically four conditions that call for firmware upgrade recovery
54. re to register your product at our online support center International http support aten com North America ATEN TECH http www aten usa com product registration ATEN NJ http support aten com Telephone Support For telephone support call this number International 886 2 8692 6959 North America ATEN TECH 1 888 999 ATEN ATEN NJ 1 732 356 1703 User Notice All information documentation and specifications contained in this manual are subject to change without prior notification by the manufacturer The manufacturer makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties as to merchantability or fitness for any particular purpose Any of the manufacturer s software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not the manufacturer its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software The manufacturer of this system is not responsible for any radio and or TV interference caused by unauthorized modifications to this device It is the responsibility of the user to correct such interference The manufacturer is not responsible for any damage incurred in the operation of this system if the correct operation
55. s been successfully upgraded plug it back into the chain 50 Chapter 7 Firmware Upgrade Adapter Cable Upgrade Introduction The firmware for the KA9520 KA9570 and KA9130 KVM Adapter Cables can also be upgraded Check the web site regularly to find the latest packages and information relating to them Note 1 A single upgrade package contains the upgrade files for all three KVM Adapter Cables 2 KVM Adapter Cables are referred to as O Modules in some dialog boxes Before You Begin To prepare for the firmware upgrade do the following 1 From a computer that is not part of your KVM installation go to our Internet support site and choose the model name that relates to your device to get a list of available Firmware Upgrade Packages 2 Choose the Firmware Upgrade Package you want to install usually the most recent and download it to your computer 3 Shut down all of the computers but not the Stations on your KVM installation 4 From your KVM switch console bring up the OSD see page 21 and select the FAADM function 5 Scroll down to ADAPTER UPGRADE Press Enter 6 In the screen that comes up press Y to invoke Upgrade Mode Note 1 A message appears reminding you to connect an adapter cable The message appears even if you have adapter cables connected If all the adapter cables you want to upgrade have already been connected simply ignore the message 2 The upgrade takes
56. same bracket with a plus sign between them Ctrl Alt Numbered lists represent procedures with sequential steps Bullet lists provide information but do not involve sequential steps Indicates selecting the option on a menu or dialog box for example that comes next For example Start Run means to open the Start menu and then select Run Indicates critical information Product Information For information about all ALTUSEN products and how they can help you connect without limits visit ALTUSEN on the Web or contact an ALTUSEN Authorized Reseller Visit ALTUSEN on the Web for a list of locations and telephone numbers International http www aten com North America ATEN TECH http www aten usa com ATEN NJ http Awww aten com KH1508 KH1516 User Manual This Page Intentionally Left Blank Chapter 1 Introduction Overview The KH1508 KH1516 KVM Switches are control units that allow access to multiple computers from a single KVM keyboard monitor and mouse console A single KH1508 KH1516 can control up to 8 16 computers As many as 31 additional KH1508 KH1516 switches can be daisy chained from the original unit so that up to 512 computers can all be controlled from the original KVM console Note Aten ACS1208 ACS1216 switches can also be installed on a KH1508 KH1516 daisy chain A custom ASIC patent pending provides an auto sensing function that
57. set with this LOGOUT function the Operator is automatically logged out A login is necessary TIMEOUT before the console can be used again This enables other Operators to gain access to the computers when the original Operator is no longer accessing them but has forgotten to log out To set the timeout value key in a number from 1 180 minutes then press Enter If the number is O zero this function is disabled Default is O disabled continues on next page 28 Chapter 4 OSD Operation Continued from previous page Setting Function EDIT PORT To help remember which computer is attached to a particular port NAMES every port can be given a name This function allows the Administrator to create modify or delete port names To Edit a port name 1 Click the port you want or use the Navigation Keys to move the highlight bar to it then press Enter 2 Key in the new Port Name or modify delete the old one The maxi mum number of characters allowed for the Port Name is 12 Legal characters include All alpha characters A Z All numeric characters 0 9 and Space Case does not matter the OSD displays the Port Name in all capitals no matter how they were keyed in 3 When you have finished editing press Enter to have the change take effect To abort the change press Esc RESTORE This function is used to undo all changes and return the setup to the DEFAULT original factor
58. ss Spacebar to select the KVM Adapter Cable you want to upgrade When you select a KVM Adapter Cable its current firmware version levels display Select Y to enable Firmware Upgrade Mode or N to leave this menu without enabling it 31 KH1508 KH1516 User Manual F5 SKP This function enables you to easily skip backward or forward switching the console focus from the currently active KVM Port to the previous or next available one The selection of computers to be available for Skip Mode switching is made with the Scan Skip Mode setting under the F3 SET function see page 27 When you are in Skip Mode press c To skip from the current port to the previous port in the List gt To skip from the current port to the next port in the List 4 To skip from the current port to the last port of the previous station in the List l To skip from the current port to the first port of the next station in the List Note When you Skip you only Skip to the previous or next available computer that is in the Scan Skip Mode selection see page 27 Ifa Port has been selected for Scan Skip Mode when the focus switches to that port a Left Right Triangle symbol appears before its Port ID Display to indicate so While Skip Mode is in effect the console will not function normally You must exit Skip Mode in order to regain control of the console Toexit Skip Mode press the Spacebar or Esc 32 Cha
59. support iii Troubleshooting 63 U Upgrading the firmware 45 User Notice iii 68
60. t drops down To dismiss the list click the circle symbol o in front of the Station Number To move up or down through the list one line at a time Click the Up and Down Triangle symbols A V or use the Up and Down Arrow Keys If there are more list entries than there 1s room for on the Main Screen the screen will scroll To move up or down through the list one screen at a time Click the Up and Down Arrow symbols AY or use the Pg Up and Pg Dn keys If there are more list entries than there is room for on the Main Screen the screen will scroll To bring the KVM focus to a port double click it or move the Highlight Bar to it and then press Enter After executing any action you automatically go back to the menu one level above OSD Main Screen Headings Heading Explanation SN PN This column lists the Port ID numbers Station Number Port Number for all the KVM Ports on the installation The simplest method to access a particular computer is to click it or move the Highlight Bar to it and then press Enter QV If a port has been selected for Quick View scanning see SET QUICK VIEW PORTS page 30 an arrowhead displays in this column to indicate so The computers that are powered on and are On Line have a sun symbol rt in this column to indicate so NAME If a port has been given a name see EDIT PORT NAMES page 29 its name appears in this column 23 KH1508 KH1516 User Manu
61. tes the OSD function HOTKEY Scroll Lock Scroll Lock or Ctrl Ctrl Since the Ctrl key combination may conflict with programs running on the computers the default is the Scroll Lock combination PORT ID Allows you to position where the Port ID appears on the monitor The DISPLAY default is the upper left corner but you can choose to have it appear POSITION anywhere on the screen Use the Mouse or the Arrow Keys plus Pg Up Pg Dn Home End and 5 on the numeric keypad with Num Lock off to position the Port ID display then Click or press Enter to lock the position and return to the Set submenu Note The setting affects the currently selected computer If you don t want to use the default position you must change the setting for each computer individually PORT ID Determines how long a Port ID displays on the monitor after a port DISPLAY change has taken place The choices are User Defined which lets DURATION you select the amount of time from 1 255 sec and Always On which displays the Port ID at all times If you select User Defined key in the number of seconds then press Enter The default is 3 Seconds A setting of O zero disables this function continues on next page 26 Chapter 4 OSD Operation Continued from previous page Setting Function PORT ID Selects how the Port ID is displayed the Port Number alone PORT DISPLAY NUMBER the Port Name alone
62. the Port Switch on the daisy chained switch that corresponds to the device you wish to access OSD OSD On Screen Display provides a menu driven interface to the computer switching procedure OSD operation is discussed in the next chapter Hotkey Hotkeys allow you to conveniently provide KVM focus to a particular computer from the keyboard instead of having to manually select them by pressing Port Selection switches Keyboard operation is discussed in Chapter 5 KH1508 KH1516 User Manual Hot Plugging The KH1508 KH1516 supports hot plugging components can be removed and added back into the installation by unplugging and replugging their cables from their ports without the need to shut the unit down In order for hot plugging to work properly however the procedures described below must be followed Hot Plugging Stations You can switch station positions by simply unplugging from the old parent and plugging into a new one After you do in order for the OSD menus to correspond to the change you must reset the OSD See RESET STATION IDS page 30 for details Hot Plugging KVM Ports After switching KVM ports in order for the OSD menus to correspond to the change you must manually reconfigure the OSD information for the new Port information See F3 SET page 26 and the Port Setting selections under the F4 ADM function page 28 for details Note If the computer s Operating System doesn t support hot plug
63. tion the KH1508 KH1516 auto senses its position and displays the Station ID that corresponds to its place in the chain see Port ID Numbering page 19 for details KH1508 KH1516 User Manual Rear View KH1508 KH1516 No Component Description 1 Power Socket 2 Power Switch 3 Daisy Chain Ports When Daisy Chaining Units see Daisy Chaining page 15 the daisy chain cables plug in here The port on the left is the Chain In port the port on the right is the Chain Out port 4 Local Console If this is a Single Station installation or if this is the First Port Section Station of a daisy chained installation the keyboard monitor and mouse that make up the Local Console plug in here 5 KVM Port The Cat 5 cables that link to the KVM Adapter Cables which Section link to the computers plug in here Chapter 2 Hardware Setup Overview For convenience and flexibility that allows mixing the PS 2 USB and serial device interfaces as well as multiple platforms the KH1508 KH1516 s design utilizes KVM Adapter Cables CPU Modules that serve as intermediaries between the switch and the connected devices refer to the installation diagram on page 13 A separate KVM Adapter Cable is required for each computer or device connection See KVM Adapter Cables page 4 for the model numbers
64. y default settings see OSD Factory Default Settings VALUES page 60 except for the Names settings that were assigned to the Ports which are saved CLEAR THE This function is similar to Restore Default Values The difference is that NAME LIST it also clears the Names settings along with undoing all changes and returning the setup to the original factory default settings ACTIVATE Choices are Y for Yes or N for No When activated the beeper BEEPER sounds whenever a Port is changed when activating the Auto Scan function see F7 SCAN page 34 or an invalid entry is made on an OSD menu The default is Y activated continues on next page 29 KH1508 KH1516 User Manual F4 ADM continued Setting Function SET QUICK VIEW PORTS This function lets the Administrator select which Ports to include as Quick View ports To select deselect a port as a Quick View Port use the Navigation Keys to move the highlight bar to it then press the Spacebar When a port has been selected as a Quick View Port an arrowhead displays in the QV column of the LIST on the Main Screen to indicate so When a port is deselected the arrowhead disappears If one of the Quick View options is chosen for the LIST view see F2 LIST page 25 only a Port that has been selected here will display on the List If one of the Quick View options is chosen for Auto Scanning see SCAN SKIP MODE page 27 only a Port

Cat 5 High-Density KVM Switch KH1508 / KH1516 User Manual

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