ATEN kh2508a User Manual
  1. Manuals
  2. Brands
  3. ATEN Manuals
  4. Switch
  5. ALTUSEN KH2508a
  6. User manual
ATEN kh2508a User Manual

ATEN kh2508a User Manual

Hide thumbs Also See for kh2508a:
Table of Contents

Advertisement

Quick Links

Download this manual
KVM Switch
KH2508A / KH2516A
User Manual
www.aten.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the kh2508a and is the answer not in the manual?

Questions and answers

Related Manuals for ATEN kh2508a

Summary of Contents for ATEN kh2508a

  • Page 1 KVM Switch KH2508A / KH2516A User Manual www.aten.com...

  • Page 2: Fcc, Ce Information

    KH2508A / KH2516A User Manual FCC, CE Information EDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT: 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.

  • Page 3: User Information

    KH2508A / KH2516A User Manual User Information Online Registration Be sure to register your product at our online support center: International http://eservice.aten.com Telephone Support For telephone support, call this number: International 886-2-8692-6959 China 86-10-5255-0110 Japan 81-3-5615-5811 Korea 82-2-467-6789 North America...

  • Page 4: Package Contents

    Copyright © 2010–2014 ATEN® International Co., Ltd. Manual Date:2014-02-27 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.

  • Page 5: Table Of Contents

    KH2508A / KH2516A User Manual Contents FCC, CE Information......... . ii RoHS.
  • Page 6 KH2508A / KH2516A User Manual Hot Plugging ..........22 Hot Plugging Stations .
  • Page 7 KH2508A ........

  • Page 8: About This Manual

    KH2508A / KH2516A User Manual About This Manual This User Manual is provided to help you get the most from your KH2508 KH2516 system. It covers all aspects of installation, configuration and operation. An overview of the information found in the manual is provided below.

  • Page 9: Conventions

    KH2508A / KH2516A User Manual Conventions This manual uses the following conventions: Indicates text that you should key in. Monospaced 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 same bracket with a plus sign between them: [Ctrl+Alt].
  • Page 10 KH2508A / KH2516A User Manual This Page Intentionally Left Blank...

  • Page 11: Chapter 1. Introduction

    Chapter 1 Introduction Overview The KH2508 and KH2516 KVM switches are control units that allows IT administrators to access and control multiple computers from two PS/2 or USB KVM consoles (2 bus). Operators working at up to two consoles can independently and simultaneously take control of up to 8 (KH2508 ), or 16 (KH2516...
  • Page 12 A KH2508A or KH2516A installation provides one of the best, and most economical, solutions ATEN offers to the SMB market. There is no better way to save time, space, and money than with a KH2508A or KH2516A KVM switch. Note: With KVM Adapter Cable KA7000 series. Please see KVM Adapter...

  • Page 13: Features

    16 directly connected computers Space-Saving RJ-45 connectors and Cat 5e/6 cabling By daisy chaining up to 15 additional KH2508A / KH2516A switches, as many as 256 computers can be controlled from the original KVM consoles Console conversion – any type of KVM console can control any type of computer;...

  • Page 14: Requirements

    KH2508 / KH2516 User Manual Requirements Consoles A VGA, SVGA, or multisync monitor capable of the highest resolution that you will be using on any computer in the installation A PS/2 or USB mouse A PS/2 or USB keyboard Computers The following equipment must be installed on the computers that connect to the KH2508 or KH2516...

  • Page 15: Kvm Adapter Cables

    Chapter 1. Introduction KVM Adapter Cables Cat 5e/6 cable is required to connect the KH2508 / KH2516 to one of the KVM adapter cables. The following KVM adapter cables are required for use with the KH2508 KH2516 Function Module Connect to devices with PS/2 ports KA7920 / KA7520 / KA7120 KA9520 / KA9120 Connect to devices with USB ports...

  • Page 16: Components

    KH2508 / KH2516 User Manual Components Front View KH2508 1&2 KH2516 1&2...
  • Page 17 Chapter 1. Introduction Component Description Port Selection Press a pushbutton to give the KVM focus to the computer Pushbuttons attached to its corresponding port. Simultaneously pressing Pushbuttons 1 and 2 for 3 seconds performs a keyboard and mouse reset. Simultaneously pressing Pushbuttons 7 and 8 of the KH2508 or Buttons 15 and 16 of the KH2516 starts Auto...

  • Page 18: Rear View

    KH2508 / KH2516 User Manual Rear View KH2508 KH2516...
  • Page 19 Chapter 1. Introduction Component Description Power Socket The power cord to the AC source plugs in here. Power Switch This is a standard rocker switch that powers the KH2508 KH2516 on and off. Daisy Chain When daisy chaining units (see KVM Adapter Cable Ports Installation Diagrams cont., page 17), the daisy chain cables plug in here.
  • Page 20 KH2508 / KH2516 User Manual This Page Intentionally Left Blank...

  • Page 21: Chapter 2. Hardware Setup

    Chapter 2 Hardware Setup Overview For convenience and flexibility 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 required for each computer or device connection.

  • Page 22: Stacking And Rack Mounting

    KH2508 / KH2516 User Manual Stacking and Rack Mounting The KH2508 / KH2516 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. Note: 1.

  • Page 23: Rack Mounting

    Chapter 2. Hardware Setup Rack Mounting The KH2508 / KH2516 can be mounted in a 19" (1U) rack. 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.

  • Page 24: Single Station Installation

    KH2508 / KH2516 User Manual Single Station Installation In a single stage installation, there are no additional KVM switches daisy chained down from the KH2508 / KH2516 . To set up a single stage installation, refer to the installation diagrams starting on page 15 (the numbers in the diagram correspond with the numbers of the instruction steps), and do the following: 1.
  • Page 25 Chapter 2. Hardware Setup Single Stage Installation Diagram...

  • Page 26: Kvm Adapter Cable Installation Diagrams

    KH2508 / KH2516 User Manual KVM Adapter Cable Installation Diagrams KA7120 KA7520 KA7920 KA9120 KA9520 KA7130 KA9130 KA7170 KA7570 KA7970 KA9170 KA9570 SERIAL TERMINAL KA9140...
  • Page 27 Chapter 2. Hardware Setup KVM Adapter Cable Installation Diagrams cont. KA7166 KA7168 KA7169...

  • Page 28: Daisy Chaining

    As many as 256 computers can be controlled from a single console in a complete installation. Note: A single console KVM switch can not be installed on a KH2508A/ KH2516A daisy chain. Tables showing the relation between the number of computers and the number...
  • Page 29 Chapter 2. Hardware Setup Daisy Chain Installation Diagram...
  • Page 30 KH2508 / KH2516 User Manual This Page Intentionally Left Blank...

  • Page 31: Chapter 3. Basic Operation

    Chapter 3 Basic Operation Port Selection KH2508 / KH2516 installations provide three methods to obtain instant access to any computer on your installation: Manual, OSD (on-screen display), and Hotkey. Manual Manual port selection simply involves pressing the port selection switch that corresponds to the device you wish to access.

  • Page 32: Hot Plugging

    KH2508 / KH2516 User Manual Hot Plugging The KH2508 / KH2516 supports hot plugging – components can be removed and added back into the installation by unplugging and replugging their cables without the need to shut the unit down. In order for hot plugging to work properly, however, the procedures described below should be followed.

  • Page 33: Powering Off And Restarting

    Chapter 3. Basic Operation Powering Off and Restarting If it becomes necessary to power off the KH2508 / KH2516 , or if the switch loses power and needs to be restarted, before starting it back up it is suggested that you follow these procedures to prevent possible equipment issues: 1.
  • Page 34 KH2508 / KH2516 User Manual This Page Intentionally Left Blank...

  • Page 35: Chapter 4. Osd Operation

    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 display the Main Screen, tap the OSD hotkey twice. The default hotkey is [Scroll Lock].
  • Page 36 KH2508 / KH2516 User Manual When you start the OSD, a screen similar to the one below appears: Note: 1. The image above is 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 cannot be accessed by users without administrator privileges.

  • Page 37: Osd Navigation

    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 symbol at the top of the Main Screen, or press [F8].

  • Page 38: Osd Functions

    KH2508 / KH2516 User Manual 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.

  • Page 39: F2: List

    Chapter 4. OSD Operation F2: LIST Many of the switch’s OSD functions only operate on the computers currently selected for listing on the Main Screen. Accessing this function lets you broaden or narrow the scope of ports that get listed. The submenu choices and their meanings are given in the table below: Choice Meaning...

  • Page 40: F3: Set

    KH2508 / KH2516 User Manual F3: SET Accessing this function allows the administrator and each user to set up an individual working environment. A separate profile for each operator is stored by the OSD and is activated according to the username provided during login. To change a setting: 1.
  • Page 41 Chapter 4. OSD Operation Setting Function SCAN/SKIP Selects which computers will be accessed under Skip mode (see F5: MODE SKP, page 36), and Auto Scan mode (see F7: SCAN, page 38). Choices are: – All the ports which have been set Accessible (see SET ACCESSIBLE PORTS, page 33);...
  • Page 42 KH2508 / KH2516 User Manual Setting Function SET QUICK This function lets users and the administrator select which ports to VIEW PORTS 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.

  • Page 43: F4: Adm

    Chapter 4. OSD Operation F4: ADM F4 is an administrator only function. Accessing this function 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].
  • Page 44 KH2508 / KH2516 User Manual Setting Function This function sets a time threshold for users on ports whose Operation OCCUPY Mode has been set to Occupy (see SET OPERATION MODE, TIMEOUT page 33). If there is no activity from the user occupying the port for the amount of time set here, the user is timed out and keyboard and mouse control on the port is released, after which the first user to send keyboard or mouse input will occupy the port.
  • Page 45 Press [Spacebar] to cycle through the language choices. The LANGUAGE default keyboard language layout is English (US). FIRMWARE In order to upgrade the KH2508A / KH2516A’s and adapter cables UPGRADE firmware (see The Firmware Upgrade Utility, page 53) you must first enable Firmware Upgrade mode with this setting.

  • Page 46: F5: Skp

    KH2508 / KH2516 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 31).

  • Page 47: F6: Brc

    Chapter 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.

  • Page 48: F7: Scan

    KH2508 / KH2516 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 31).

  • Page 49: F8: Lout

    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 tap the OSD Hotkey.
  • Page 50 KH2508 / KH2516 User Manual This Page Intentionally Left Blank...

  • Page 51: Chapter 5. Hotkey Operation

    Chapter 5 Hotkey Operation Hotkey Port Control Hotkey port control allows you to provide KVM focus to a particular computer directly from the keyboard. The KH2508 / KH2516 provides the following Hotkey port control features: Selecting the Active Port Auto Scan Mode Switching Skip Mode Switching Computer Keyboard / Mouse Reset The following settings can also be controlled in Hotkey mode:...

  • Page 52: Invoking Hotkey Mode

    KH2508 / KH2516 User Manual Invoking Hotkey Mode All Hotkey operations begin by invoking Hotkey mode. To invoke Hotkey mode you may use two possible keystroke sequences shown below. Only one of the two key-sequences below can be operational (see Setting the Hotkey key combination on page 48): Number Lock and Minus Keys 1.

  • Page 53: Selecting The Active Port

    Chapter 5. Hotkey Operation Selecting the Active Port Each computer port is assigned a port ID (see Port ID Numbering, page 23). You can directly access any computer with a Hotkey combination that specifies the port ID that the computer is connected to. The steps are: 1.

  • Page 54: Auto Scan Mode Switching

    KH2508 / KH2516 User Manual Auto Scan Mode Switching Auto Scan automatically switches among all the active computer ports that are accessible to the currently logged on user at regular intervals. This allows their activity to be monitored automatically (See SKAN/SKIP MODE of the OSD F3 SET function, page 30).

  • Page 55: Exiting Auto Scan

    Chapter 5. Hotkey Operation (Continued from previous page.) When you want to keep the focus on a particular computer, Pausing is more convenient than exiting Auto Scan mode. When you resume scanning it starts at the computer where you paused. If you exited and then restarted Auto Scanning, it starts, at the beginning, from the first computer on the installation.

  • Page 56: Skip Mode Switching

    KH2508 / KH2516 User Manual Skip Mode Switching This feature allows you to switch between computers in order to monitor them manually. You can focus on a particular port for as long as you like – as opposed to auto-scanning, which automatically switches the port focus after a fixed interval.

  • Page 57: Computer Keyboard / Mouse Reset

    Chapter 5. Hotkey Operation Computer Keyboard / Mouse Reset If either the keyboard or mouse stop functioning on the computer connected to the currently selected port, you can perform a keyboard / mouse reset on the computer by executing the following steps: 1.

  • Page 58: Setting The Hotkey Key Combination

    KH2508 / KH2516 User Manual Setting the Hotkey key combination The keys used to enter the Hotkey Mode (see HOTKEY COMMAND MODE, page 31) can be switched between: , and [Num Lock] + [-] [Ctrl] + [F12] by the following steps: 1.

  • Page 59: Setting The Port Operating System

    Chapter 5. Hotkey Operation Setting the Port Operating System A port’s operating system configuration can be matched to that of the computer attached to the port by performing the following steps: 1. Invoke Hotkey mode: [Num Lock] + [-] or [Ctrl] + [F12] 2.

  • Page 60: Hotkey Summary Table

    KH2508 / KH2516 User Manual Hotkey Summary Table [Num Lock] + [-] [A] [Enter] Invokes Auto Scan mode. When Auto Scan mode is in effect, [P] or left-click pauses auto-scanning. [Ctrl] + [F12] When auto-scanning is paused, pressing any key or another left-click resumes auto- scanning.

  • Page 61: Keyboard Emulation

    Chapter 6 Keyboard Emulation Mac Keyboard 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 [Ctrl] [1] [Ctrl] [2] [Ctrl] [3] [Ctrl] [4] [Alt]...

  • Page 62: Sun Keyboard

    KH2508 / KH2516 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]...

  • Page 63: The Firmware Upgrade Utility

    Chapter 7 The Firmware Upgrade Utility Introduction The purpose of the Windows-based Firmware Upgrade Utility is to provide an automated process for upgrading the KH2508 / KH2516 and compatible adapter cable firmware. The program comes as part of a Firmware Upgrade Package that is specific for each device.
  • Page 64 KH2508 / KH2516 User Manual (Continued from previous page.) 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. Note: On a daisy chained installation, connect the cable to the first station (master) unit.

  • Page 65: Performing The Upgrade

    Chapter 7. The Firmware Upgrade Utility Performing the Upgrade Starting the Upgrade To upgrade your firmware: 1. Run the downloaded Firmware Management Utility file, either by double clicking the file icon, or by opening a command line and keying in the full path to it.
  • Page 66 KH2508 / KH2516 User Manual 4. Click Next to continue. The Firmware Upgrade Utility main screen appears: Device Firmware Available The Utility checks to make sure the KH2508 / KH2516 is in the Firmware Upgrade Mode and then lists all firmware available preselected in the Device List panel.
  • Page 67 Chapter 7. The Firmware Upgrade Utility required to be upgraded. After you have made your selection(s), click Next to perform the upgrade. Deselect any firmware not to be upgraded Select for Firmware Checking Check Firmware Version - when selected the utility compares the Main Board and OSD firmware level with the upgrade files MAIN01 and MAIN02.

  • Page 68: Upgrade Succeeded

    Recovery, page 59. Upgrade Succeeded After the upgrade has completed, a screen appears to inform you that the procedure was successful Click Finish to close the Firmware Upgrade Utility Note: At the completion of the upgrade, the KH2508A / KH2516A restarts...

  • Page 69: Upgrade Failed

    Chapter 7. 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 similar to below: Click Cancel to close the Firmware Upgrade Utility.

  • Page 70: Adapter Cable Firmware Upgrade Recovery

    KH2508 / KH2516 User Manual 3. From your KVM switch console, bring up the OSD (see page 25) and select the F4ADM function. 4. Scroll down to FIRMWARE UPGRADE. Press [Enter]. 5. Press [Y] to invoke Upgrade mode. 6. Proceed with the firmware upgrade as described in Performing the Upgrade, starting on page 55.

  • Page 71: Osd Configuration Backup/Restore

    Chapter 7. The Firmware Upgrade Utility OSD Configuration Backup/Restore The Firmware Management Utility lets you backup the current OSD configuration of the KH2508 / KH2516 , and restore it when necessary. Storing the OSD configuration settings is useful when deploying more than one installation that uses the same settings.

  • Page 72: Restore

    KH2508 / KH2516 User Manual Restore Follow these steps to restore a backup file from a local computer: 1. Do steps 1 to 3 of the previous section. See Backup, page 61. 2. Click Restore to recover an OSD configuration stored in the local computer.

  • Page 73: Appendix

    Appendix Safety Instructions General This product is for indoor use only. 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 result.
  • Page 74 KH2508 / KH2516 User Manual (Continued from previous page.) 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. 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.

  • Page 75: Rack Mounting

    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.

  • Page 76: Consignes De Sécurité

    KH2508 / KH2516 User Manual Consignes de sécurité Général Ce produit est destiné exclusivement à une utilisation à l’intérieur. Veuillez lire la totalité de ces instructions. Conservez-les afin de pouvoir vous y référer ultérieurement. Respectez l’ensemble des avertissements et instructions inscrits sur l’appareil.
  • Page 77 Appendix L’équipement doit être installé à proximité de la prise murale et le dispositif de déconnexion (prise de courant femelle) doit être facile d’accès. La prise murale doit être installée à proximité de l’équipement et doit être facile d’accès. Veillez à ce que rien ne repose sur le cordon d’alimentation ou les câbles. Acheminez le cordon d’alimentation et les câbles de sorte que personne ne puisse marcher ou trébucher dessus.
  • Page 78 KH2508 / KH2516 User Manual L’unité a été exposée à la pluie ou à l’eau. L’unité est tombée ou le boîtier a été endommagé. Les performances de l’unité sont visiblement altérées, ce qui indique la nécessité d’une réparation. L’unité ne fonctionne pas normalement bien que les instructions d’utilisation soient respectées.

  • Page 79: Montage Sur Bâti

    Appendix Montage sur bâti Avant de travailler sur le bâti, assurez-vous que les stabilisateurs sont bien fixées sur le bâti, qu’ils sont étendus au sol et que tout le poids du bâti repose sur le sol. Installez les stabilisateurs avant et latéraux sur un même bâti ou bien les stabilisateurs avant si plusieurs bâtis sont réunis, avant de travailler sur le bâti.

  • Page 80: Technical Support

    KH2508 / KH2516 User Manual Technical Support International For online technical support – including troubleshooting, documentation, and software updates: http://eservice.aten.com For telephone support, see Telephone Support, page iii: North America Email Support support@aten-usa.com Online Troubleshooting http://www.aten-usa.com/support Technical Documentation Support Software Updates...

  • Page 81: Specifications

    Appendix Specifications Function KH2508 KH2516 Computer Direct Connections Max. 128 (via Daisy Chain) 256 (via Daisy Chain) Port Selection OSD (On Screen Display); Hotkeys Pushbuttons Connectors Console 2 x 6-pin Mini-DIN F (Purple) 2 x USB Type A F Video 2 x HDB-15 F Mouse 2 x 6-pin Mini-DIN F (Green)
  • Page 82 KH2508 / KH2516 User Manual Function KH2508 KH2516 Environment Operating Temp. 0–50 Storage Temp. -20–60 Humidity 0–80% RH Physical Housing Metal Properties Weight 2.81 kg 2.85 kg Dimensions 43.72 x 16.36 x 4.40 cm...

  • Page 83: Connection Tables

    Appendix Connection Tables The following table indicates the relationship between the number of KH2508 / KH2516 units and the number of computers that they control KH2508 Computers Computers 1 - 8 65 - 72 9 - 16 73 - 80 17 - 24 81 - 88 25 - 32...

  • Page 84: Osd Factory Default Settings

    KH2508 / KH2516 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...

  • Page 85: Administrator Login Failure

    Appendix 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 KH2508 / KH2516 and remove its housing.

  • Page 86: Troubleshooting

    KH2508 / KH2516 User Manual Troubleshooting 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 and seated completely in their sockets. In addition, updating the product’s firmware may solve problems that have been discovered and resolved since the prior version was released.

  • Page 87: Limited Warranty

    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.
  • Page 88 KH2508 / KH2516 User Manual This Page Intentionally Left Blank...

This manual is also suitable for:

Kh2516a

Table of Contents