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2 Console 8/16 Port Cat 5 High Density KVM Switch KH2508 / KH2516 User Manual www.aten.com.
KH2508 / KH2516 User Manual ii FCC Information This is an FCC Class A product. In a domestic environment this product may cause radio interference in which cas e the user may be required to tak e adequate measures.
KH2508 / KH2516 User Manual iii User Information Online Registration Be sure to register your product at our online support center: T elephone Suppo rt For telephone support, call this number: User No.
KH2508 / KH2516 User Manual iv Package Content s The KH2508 / KH2516 package con sists of: 1 KH2508 / KH2516 Cat 5 KVM Swi tch 1P o w e r C o r d 1 Grounding Wire 1 Firmware Upgrade Cable 1 Rack Mount Kit 1 Foot P ad Set (4 pcs .) 1 User Manual* 1 Quick Start Guide Check to make sure that all of the co mponents are present and in good order.
KH2508 / KH2516 User Manual v Content s FCC Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii SJ/T 11364-2006. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
KH2508 / KH2516 User Manual vi Chapter 3. Basic Operation Hot Plugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Changing Cascaded Switch Positions . . . . . . . . . . . . . . . . . . . . . . . . 25 Hot Plugging Console Ports .
KH2508 / KH2516 User Manual vii Chapter 5. The Firmware Upgrade Utility Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Downloading the Firmware Upgrade Package . . . . . . . . . . . . . .
KH2508 / KH2516 User Manual viii About This Manual This user manual is provided to help you ge t the mo st from your KH2508 / KH2516 system. It covers all aspects of in stallation, configuration and operation. An overview of th e info rmation found in the manual is provided below.
KH2508 / KH2516 User Manual ix Conventions This manual uses the following conv entio ns: Product Information For information about all ALTUSEN products and ho w they can help you connect without limi ts, visit ALTUSEN on the W eb or contact an ALTUSEN Authorized Reseller.
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1 Chapter 1 Introduction Overview The KH2508 / KH2516 Cat 5 High Densit y KVM Switch es give IT administrators advanced co ntrol of mult iple computer s.
KH2508 / KH2516 User Manual 2 There is no better way to save time and mon ey than with a KH2508 / KH2516 installation. By allowing two consoles to m anage up to 4096 computers, a KH2508 / KH2516 insta.
Chapter 1. Introduction 3 Features T wo KVM consoles independ ently and simultaneously contro l up to 8 or 16 directly connected com puters Cascade up to 3 levels of KH2508 or KH2516 switch es.
KH2508 / KH2516 User Manual 4 Requirement s Consoles The following hardware components are required for each KVM console: A VGA, SVGA, or multisync monito r capable of displayin g the highest reso.
Chapter 1. Introduction 5 Other Cables The following cables are also requir ed for use with the KH2508 / KH2516. Operating Systems Supported operating systems are shown in the table, below .
KH2508 / KH2516 User Manual 6 Component s Front V iew Note: The KH2516 is pictured above. The KH2508 front panel is the same as that of the KH2516, excep t that it has 8 KVM port LEDs instead of 16.
Chapter 1. Introduction 7 No. Component Desc ription 1 Power LED Lights (blue) to indicate that the unit is receiving power. 2 Port LEDs A green LED indicates that a computer is connected to the corresponding port. A flashing green LED indicates a connection to a cascaded child KVM switch.
KH2508 / KH2516 User Manual 8 Rear V i ew Note: The KH2516 is pictured above. The KH2508 rear panel is the same as that of the KH2516, excep t that it has 8 KVM ports inst ead of 16 . No. Component Description 1 Power Socket The power cord to the AC source plugs in here.
Chapter 1. Introduction 9 Local Console Connection No. Component De scription 1 USB Mouse Port Use the USB mouse port to connect a USB mouse to the console. 2 USB Keyboard Port Use the USB keyboard port to connect a USB keyboard to the console. 3 PS/2 Mouse Port Use the PS/2 mouse port to connect a PS/2 mouse to the console.
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11 Chapter 2 Hardware Setup Overview For convenience and flexibili ty that allows mixing the PS/ 2, USB and serial interfaces, the KH2508 / KH2516's design utilizes KVM adapter cables that serve as intermediaries between the KVM switch and the connected devices: A separate KVM adapter cable is requ ired for each computer or device connection.
KH2508 / KH2516 User Manual 12 St acking and Rack Mounting The KH2508 / KH2516 can be stacked on a desktop or rack mounted in 1U of rack space. The procedures for each me thod are described in the following sections. Note: 1. Allow at least 5.1 cm on each side for adequate ventilation and 12.
Chapter 2. Hardware Setup 13 Rack Mounting – Front 1. Remove 2 screws each from the left and right sides near the front of the switch (4 screws total). 2. Use the M3 x 8 Phillips hex head screws supplied with the rack mountin g kit to screw the rack mounting brackets into the sides at the front of the unit.
KH2508 / KH2516 User Manual 14 (Continued from previous page.) 3. Pl ace the KVM switch in the rack. Position it so that th e holes in the mounting brackets lin e up with those in the rack.
Chapter 2. Hardware Setup 15 Rack Mounting – Rear 1. Remove 1 screws each from the left and right sides near the rear of the switch (2 screws total). 2. Use the M3 x 8 Phillips head hex screws supplied with the rack mountin g kit to screw the rack mounting brackets into the sides at the rear of the unit.
KH2508 / KH2516 User Manual 16 (Continued from previous page.) 3. Place the KVM switch in the rack. Po si tion it so that the holes in the mounting brackets line up with those in the rack . Secure th e mounting brackets to the rear of the rack. Grounding To prevent damage to your installation it is important that all devices are properly gro unded.
Chapter 2. Hardware Setup 17 Single Level Inst allation In a single level installation, there are no additional KVM switches cascaded from the first-level KVM switch. To set up a single level installation, refer to the diagram on page 18 and do the fol low ing: 1.
KH2508 / KH2516 User Manual 18 Single Level Inst allation Diagram Note: 1. Although the KH2516 is pictured in the di ag ram, the installation process is the same for the KH2508. 2. Th e numbers in the diagrams correspond to the numbered st eps of Single Level Installation on the previous page.
Chapter 2. Hardware Setup 19 KVM Adapter Cable Inst allation Diagrams KA9520 b y A TEN LIN K KA9170 KA9131 b y A TEN LIN K KA9140 SERIAL TERMINAL KA9130 b y A TEN LIN K b y A TEN LIN K KA9570.
KH2508 / KH2516 User Manual 20 Cascaded Inst allations The number of co mputers that can be added to your i nstallation can be greatly expanded by performi ng a cascaded installat ion. Cascading involves using the KVM ports of a Parent KVM switch (one that is above a switch linked down from it) to connect to a Child KVM switch.
Chapter 2. Hardware Setup 21 Cascading KH2508 / KH2516 Cat 5 KVM Switches To cascade KH2508 / KH2516 Cat 5 KVM Switch e s, refer to the in stallation diagram on page 22 and do the fol lowing: Note: Be.
KH2508 / KH2516 User Manual 22 Non-blocked Cascade Conf iguration Inst allation Diag ram Note: Although the KH2516 is pictured in the diagram, the installation process is the same for the KH2508.
Chapter 2. Hardware Setup 23 Blocked Cascade Configuration Inst allation Diagram Note: Although the KH2516 is pictu red in the diagram, the inst al lati on process is the same for the KH25 08.
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25 Chapter 3 Basic Operation Hot Plugging The KH2508 / KH2516 supp ort s ho t plu gging – componen ts can be removed and added back into the install ation by unplugging t heir cables from the ports without the need to shut down the switch.
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27 Chapter 4 OSD Operation OSD Overview The KH2508 / KH2516 OSD pr ovides a graphical interface that offers quick and convenient computer access and control, as well as efficient system administration including user manageme nt (access rights, passwords, etc.
KH2508 / KH2516 User Manual 28 After successfully loggin g in, the OSD appears: The OSD consists of four pages (Main, Configuration, Administratio n, and Log), each with a specific set of func tions. Each page is discussed in the sections that follow.
Chapter 4. OSD Operation 29 The Main Page The Main page lists the KH2508 / KH2516 ports and governs port access. Selecting a port and doubl e clic kin g it swit ches you to the device on that port. Note: Only those ports availabl e to the currently logged in user are shown in the port list.
KH2508 / KH2516 User Manual 30 Quick View Port s Selecting certain ports as Quick View por ts is a way of limiting which ports are included when the KH2508 / KH2516 is in aut o scan mode.
Chapter 4. OSD Operation 31 The List Function The List Function lets yo u broaden or n arrow the scope of which ports the OSD displays in the Main Screen. To invoke the List Function, click the arrow at th e upper right corner of the screen, or press [F3] .
KH2508 / KH2516 User Manual 32 The drop down list on the left offers fou r fix e d choi ces as shown in th e table below. The text input box on the ri ght all ows you to key in a port name so that only port names that match what you key in show up in the list.
Chapter 4. OSD Operation 33 Port Names To help remember which computer is attached to a particular port, every port can be given a name. This field allows administrators to create, modify, or delete port names. To configure a po rt name: 1. Click once on the port you want to edit, then eit her press [F2] , or click again on the highlight bar .
KH2508 / KH2516 User Manual 34 (Continued from previous page.) After a second, the bar changes to provide you with a text input box. 2. Key in the new port name, or modify/delete the old one.
Chapter 4. OSD Operation 35 3. When you have finished editing the port nam e , cli c k anywh ere outside of the input box to complet e the operation . Note: Port names are stored in the KVM adapter cables .
KH2508 / KH2516 User Manual 36 Port Operation Select a port on the OSD Main screen either by moving the highlight bar to it with the up and down arro w keys and pressing [Enter] , or by dou ble-clicking it. Once you select a port, its screen displays on y our monitor, and your keyboard and mouse input affects the remote system.
Chapter 4. OSD Operation 37 The T oolbar Icons The toolbar icon s are described in the tabl e below. Icon Purpo se Drag this icon to move the toolbar to a different location. Click to skip to the first accessible port on the entire installation without having to invoke the OSD.
KH2508 / KH2516 User Manual 38 Recalling the OSD To dismiss the toolbar and bring back the OSD display, do on e of the following: T ap the OSD Hotkey once. From the toolbar , click the icon that opens the OSD (see page 37 ). The OSD toolbar closes, and the main OSD di sp lay reappears.
Chapter 4. OSD Operation 39 Auto Scanning The Auto Scan function au tomatically sw itches among all th e ports that are accessible to the currently logged on user at regular intervals, so that he can monitor their activity automatically. (See Scan Targ et , page 41, for information regarding accessible ports).
KH2508 / KH2516 User Manual 40 Skip Mode Skip Mode allows you to switch ports in order to monitor the computers manually. You can dwel l on a particular port for as long or as lit tle as you like – as opposed to Auto Scanning, which automatically switches after a fixed interval.
Chapter 4. OSD Operation 41 The configuration page settings are explained in th e following table: Settin g Function OSD Hotkey Selects which Hotkey controls the OSD function: [Scroll Lock] [Scroll Lock] , or [Ctrl] [Ctrl] .
KH2508 / KH2516 User Manual 42 The Administration Page Each of the administrative functions i s re presented by an icon at the left of the page. Clicking the icon brings up its associated dialog box.
Chapter 4. OSD Operation 43 User Management The User Management dial ogs are used to creat e and manage user profiles. Up to 96 user profiles can be configured. T o delete a user profile, select it in the list box, and click Delete . T o modify a user profil e, select it and click Edit .
KH2508 / KH2516 User Manual 44 Fill in the required information for a new user profile, or modify the information to edit an existin g pro file. A description of the field headings is given in the tabl e below. Heading Description Username A minimum of 6 and a maximum of 15 characters is allowed.
Chapter 4. OSD Operation 45 Port Access Clicking Port Access in the User Management dialog brings up a screen similar to the one below. All port s on the in stallation, including those of cascaded switches, are shown in th e dialog box. (If necessary, collapsed switch icons can be expanded to view their ports.
KH2508 / KH2516 User Manual 46 System The System dialog box has several con fig urab le options, as described below: Configuration Saving a configuration file is a convenie nt way of backin g up changes made to the Administration dialog boxes, in cluding user profiles, etc.
Chapter 4. OSD Operation 47 Adapter Cable Upgrade Every adapter cable on the installation, including t hose of cascaded switches, are upgraded automatically when the first-le vel KH2 508 / KH2516 firmware is upgraded.
KH2508 / KH2516 User Manual 48 1. T o make selecting individual port s easier, first deselect all the ports by clicking the che ckbox next to Select All . (T he Select All checkbox can toggle the selection of all the ports by alternately selecting, or deselectin g all ports.
Chapter 4. OSD Operation 49 3. T o perform the firmware upgrade on the selected ports, click Upgrad e . The status of the upgrade on a port di splays in the port information fi eld. Note: Once an adapter cable upgrade is st arted, it cannot be cancelled and will not stop until an upgrad e ha s been attempted on all selected ports.
KH2508 / KH2516 User Manual 50 (Continued from previous page.) 5. The port information fiel d then di spl ays the upgr aded fi rmw are ver sio n of the adapter cable: 6. Click Cancel to ex it the Upgrade Adaper Cable Firmware dialog box and return to the System dialog box.
Chapter 4. OSD Operation 51 Upgrade Fail ed If a firmware upgrade to an adapter cable fails, the port information field displays an Upgrade failed! message. To recover from a failed ad apter cable fir mw a re upg rade: 1. Disconnect the adapter cable from its computer .
KH2508 / KH2516 User Manual 52 Attribute s Attributes allow you to se t the adapter cable attribut e parameters for each port. When you click Attributes... , a dialog box si milar to the one below appears: The port numbers for all ports on the inst allat ion , including those from cascaded switches, are listed in the colu mn on the left.
Chapter 4. OSD Operation 53 The Timeout field sets a time threshold fo r users on ports whose Operation Mode has been set to Occupy (see Occupy , page 54).
KH2508 / KH2516 User Manual 54 Operation Mode Attributes The Setting Adapter Cable Attrib utes dialog box has the following options for setting a port’s o peration mode: Miscellaneous The functions .
Chapter 4. OSD Operation 55 Date/Time The Date/Time dialog box lets the Admi nistrator set up the KH2508 / KH2516's time parameters: If your country or regio n uses Da ylight Sav ing T ime (Summer T ime), check the corresponding box.
KH2508 / KH2516 User Manual 56 The Log Page Clicking the Log tab brings up the contents of the log file. A screen similar to the one below appears: The log file tracks a maxi mum of 512 events. When the limit is reached, the oldest events get discarded as new events come in.
57 Chapter 5 The Firmware Upgrade Utility Introduction The purpose of the Windows-ba sed Firmware Upgrade Uti lity is to provide an automated process for upgrading the KH2508 / KH2516 and compatible adapter cable firmware. The program co mes as part of a Firmware Upgrade Package that is specific for each device.
KH2508 / KH2516 User Manual 58 Prep aring to Upgrade the Firmware To prepare to upgr ade the firmware: 1. Notify all users to logout of the OSD on all switches in the instal lati on. 2. Ensure that all computers are powe red on; otherwise, some KVM adapter cables may not be upgraded.
Chapter 5. The Firmware Upgrade Utility 59 Performing the Upgrade Follow the instructions belo w to upgrade the firmware for all p ossible devices, including switche s and adapter cables, in the KVM installatio n. 1. Log in to the OSD (see page 27) from a console connected to the fir st level KH2508 / KH251 6.
KH2508 / KH2516 User Manual 60 5. Read and Agr ee to the License Agreement (enable the I Agree radio button). 6. Click Next to continue. The Firmware Up grade Utility m ain screen appears and the utility searches for devices. The devices capa ble of being upgrad ed by the package are listed in the Device List panel.
Chapter 5. The Firmware Upgrade Utility 61 If you enabled Check Firmwar e Upgrade , the Utility compares the device's firmware level with that of the upgrade files. If it fi nds that the device's version is the sam e, or higher , it brings up a dialog box informing you of the situation and gives yo u the option to Continue or Cancel.
KH2508 / KH2516 User Manual 62 As each device update completes, its status is reported in the Status Messages panel . When a device group upgrade is successful, th e background behind the devi.
Chapter 5. The Firmware Upgrade Utility 63 Upgrade Successful When all devices have been upgraded, or you decide not to try and upgrade any devices again, click Finis h to close the Firmwa re Upgrade Utility. The KH2508 / KH2516 then bro adcasts th e firmware upgrade to all cascaded switches and KVM adapter cables in the installation.
KH2508 / KH2516 User Manual 64 Stopping the Firmware Upgrade Stopping the Firm ware Upgrade Utility b efore it finishes upgrading all the devices is not recommended.
Chapter 5. The Firmware Upgrade Utility 65 Upgrade Failed If a device fails to complete the upgr ade successfully, start the firmware upgrade procedure again. If the KH25 08 / KH2516 becomes inoperable after a failed firmware upgrade, fol low the Firmware Upgrade Recovery procedure below.
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67 Chapter 6 Keyboard Emulation Mac Keyboard The PC compatible (101/104 key) keyboard can emu late the functions of the Mac keyboard. The emulation mappings are listed in the table below. Note: When using key combinations, press and release the first key (Ctrl), then press and release the activation key .
KH2508 / KH2516 User Manual 68 Sun Keyboard The PC compatible (101/104 key) keyboard can emul ate the fu ncti ons of the Sun keyboard when t he Control key [Ctrl] is used in conjunction with other keys. The corresponding function s are shown in the table below.
69 Appendix Safety Instructions General Read all of these instructions. Save them for future reference. Follow all warnings and instructions marked on the dev ice. Do not place the device on any unstable su rf ace (cart, stand, table, etc.
KH2508 / KH2516 User Manual 70 If an extension cord is used with this device make sure that the total of the ampere ratings of all products us ed on this cord does not exceed the extension cord ampere rating. Mak e sure that the total of al l products plugged into the wall outlet does not exceed 15 amperes.
Appendix 71 Rack Mounting Before working on the rack, ma ke su re that the stabilizer s are secured to the rack, extended to the floor , and that the full w eight of the rack rests on the floor . Install front and side stabilizers on a single rack or front stabilizers for joined multiple ra cks before work ing on the rack.
KH2508 / KH2516 User Manual 72 T echnical Support Technical support is available both by email and on lin e (with a browser over the web): International North America When you contact u s, please have the followin g information ready beforehand: Product model number, serial number , and date of purchase.
Appendix 73 Specifications Function KH25 08 KH2516 Computer Connections Dir ect 8 16 Max 512 (via Cascade ) 4096 (via Casc ade) Port Selection OSD Connectors Console Ports Keyboard 2 x 6-pin Mini-DIN .
KH2508 / KH2516 User Manual 74 OSD Factory Default Settings The factory default se ttings are as follows: Setting Default OSD Hotkey [Scroll Lock] [Scroll Lock] Port ID Display Mode Port Number + Name Port ID Display Duration 5 Seconds Scan T arget All Scan Duration 10 Seconds Screen Blanker 0 min.
Appendix 75 T roubleshooting Overview Operation problems can be due to a variety of causes. The first step in solving them is to make sure that all cables are securely attached an d seated completely in their sockets.
KH2508 / KH2516 User Manual 76 (Continued from previous page.) Problem Solution Some characters I enter from the keyboard do not display correctly . The keyboard layout setting for the port does not match the keyboard you are using. Change the keyboard layout setting for the port to match the layout of the keyboard you are using.
Appendix 77 Sun Systems * These solutions work fo r most common Sun VGA cards. If these procedures fail to resolve the problem, consult the manual for the Sun VGA card. Problem Solution Video display problems with HDB-15 interface systems (e.g. Sun Blade 1000 servers).
KH2508 / KH2516 User Manual 78 Restoring Original Fa ctory Default Settings You can restore the origin al factory default settings for the KH2508 / KH2 516 Cat 5 KVM Switch. The original p assword for the d efault administrator account is restored; all ad ministrator and user accoun ts are removed from the system.
Appendix 79 Entering the ok Prompt (Sun Solaris) If you are using a PC keyboard to control a Sun Solaris server and want to use Stop-A keys to enter the ok prompt, do the following: Note: Before entering the ok prompt, consult the server ’ s documentation for any precautionary steps that you should take.
KH2508 / KH2516 User Manual 80 Limited W arranty ALTUSEN warrants this product against defects in material or workmanship for a period of one (1) year from the da te of purchase. If this pr oduct proves to be defective, contact ALTUSEN 's support department for repair or replacement of your unit.
81 Index A Adapter cable installation, 19 Administration Configuration Page, 40 List Functi on , 31 Log Page, 5 6 Main Page, 29 Quick View Ports, 30 Administration Page, 4 2 Auto Scanning, 39 Exiting,.
82 O Online Registration, iii OSD Factory Default Settings, 74 overview, 27 P Port Names, 33 ports selection, 25 powering off, 25 Q Quick View Ports, 30 R rack mounting, 12 front, 13 rear, 15 restarti.
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