ATEN Technology KH1516 manuale d’uso

Cat 5 High-Densi ty KV M Switch KH1508 / KH1516 User Manual www.aten.com kh15816.book Page i Tuesd ay, November 27, 2007 1:05 PM[...]

KH1508 / KH1516 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. This equipment has been test ed and found to comply with the limit s for a Class A digital device, pursuant to Part 15 of the FCC Rules[...]

KH1508 / KH1516 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 Notice All information, docum entation, and specifications contained in this manual are subject to change without prior no tification by the manufacture[...]

KH1508 / KH1516 User Manual iv Package Content s The KH1508 / KH1516 package con sists of: 1 KH1508 or KH1516 Cat 5 High-Density KVM Switch 1 Firmware Upgrade Cable 1P o w e r C o r d 1 Rack Mount Kit 1 Foot P ad Set (4 pcs .) 1 User Manual* 1 Quick Start Guide 1 Registration Card Check to make sure that all of the co mponents are present and in go[...]

KH1508 / KH1516 User Manual v Content s FCC Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii SJ/T 11364-2006. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

KH1508 / KH1516 User Manual vi Chapter 3. Basic Operation Port Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 OSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

KH1508 / KH1516 User Manual vii Chapter 7. Firmware Upgrade KH1508 / KH1516 Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

KH1508 / KH1516 User Manual viii About This Manual This User Manual is provided to help you get the most from your KH150 8 / KH1516 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. Overview Chapter 1, Introduct ion, introduces you to the KH1508 / KH1[...]

KH1508 / KH1516 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. Visit ALTUSEN on the Web for a list of location s and telephone numbers: Mono[...]

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1 Chapter 1 Introduction Overview The KH1508 / KH1516 KVM Sw itches are control units that allow access to multiple computers from a single KVM (keyboard, monitor, and m ouse) console. A single KH1508 / KH1516 can control up to 8 / 16 computers. As many as 31 additional KH150 8 / KH1516 switches can be daisy chained from the original unit, so that [...]

KH1508 / KH1516 User Manual 2 Access to any computer on the instal lation is easily acco mplished--eithe r by pressing front panel port selection switches; entering hotkey comb inations from the keyboard; or by means of a powerful menu driven OSD (On Screen Display) system. A convenient A uto Scan func tio n also permits automatic scanning and one-[...]

Chapter 1. Introduction 3 Features  A single console controls up to 8 (KH150 8) or 16 (KH 1516) computers  Dedicated chain ports - daisy chain up to 31 additional units - control up to 512 computers from a single consol e  Extends the distance between computers and switch - up to 30m (100') for resolutions of 1600 x 1200 @ 60H z; up t[...]

KH1508 / KH1516 User Manual 4 Requirement s Console  A VGA, SVGA, or Multisync monitor cap able of the highest resolution that you will be using on any co mputer in the instal lation.  A PS/2 style mouse  A PS/2 style keyboard Computers The following equipment m ust be installe d on the computers that connect to the KH1508 or KH151 6'[...]

Chapter 1. Introduction 5 Operating Systems  DOS: 6.2 and higher  W indows: W in 95 and higher  Linux:  Red Hat 6.0 and hig her  Mandrake/Mandriva 9.0 and higher  SUSE 8.2 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 kh15816.book Page 5 Tuesday, Nov[...]

KH1508 / KH1516 User Manual 6 Component s Front V iew KH1508 KH1516 4 3 5 1&2 67 1&2 4 35 6 7 kh15816.book Page 6 Tuesday, November 27, 2007 1:05 PM[...]

Chapter 1. Introduction 7 No. Compo- nent Description 1P o r t Selection Switches  Press a switch to give the KVM focus to the computer attached to its corresponding port.  Simultaneously pressing Buttons 1 and 2 for 3 seconds performs a Keyboard and Mouse Reset.  Simultaneously pressing Button s 7 and 8 starts Auto Scan Mo de. 2 Port LEDs[...]

KH1508 / KH1516 User Manual 8 Rear V i ew 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 por t on the left is the Chain In port; the port on the right is the Chain Out port. 4 Local Console Port Section If th[...]

9 Chapter 2 Hardware Setup Overview For convenience and flexibili ty that allows mixing the PS/ 2, USB, and serial device interfaces, as well as multiple platforms, the KH1508 / KH1516's design utilizes KVM Adapter Cabl es (CPU Modules), that serve as intermediaries between the switch and the connected de vices (refer to the installatio n diag[...]

KH1508 / KH1516 User Manual 10 St acking and Rack Mounting The KH1508 / KH1516 can be st acked on th e desktop or rack mounted at the front or rear of the rack. The following sections take you through the procedures for each method. St acking The KH1508 / KH1516 can be placed on any appro priate level surface that can safely support its weight plus[...]

Chapter 2. Hardware Setup 11 Rack Mounting The KH1508 / KH1516 can be mo unted 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 t he rear , as shown in the diagram below . 2.[...]

KH1508 / KH1516 User Manual 12 Single St ation Inst allation In a Single Stage installation, ther e are no additional KVM switches daisy chained down from the KH1508 / KH1516 . To set up a si ngle stage installation, refer to the installation diagrams starting on page 13 (the numbers in the diagram correspond with the numbers of the instruction ste[...]

Chapter 2. Hardware Setup 13 Single S t age Inst allation Diagram 4 5 3 1 2 2 b y A TEN PS/2 CPU MODUL E MODEL NO. KA9120 PS/2 CPU MODUL E MODEL NO. KA9120 LIN K kh15816.book Page 13 Tuesd ay, November 27, 2007 1:05 PM[...]

KH1508 / KH1516 User Manual 14 KVM Adapter Cable Inst allation Diagrams KA9520 b y A TEN LIN K KA9570 b y A TEN LIN K KA9130 b y A TEN LIN K KA9131 b y A TEN LIN K KA9140 SERIAL TERMINAL kh15816.book Page 14 Tuesd ay, November 27, 2007 1:05 PM[...]

Chapter 2. Hardware Setup 15 Daisy Chaining To control even more computers, up to 31 additi onal KH1508 / KH1516 KVM switches can be daisy chain ed from the KVM ports of the KH150 8 or KH1516. As many as 512 computers can be controlled from a single console in a complete installation. Note: Aten ACS1208 / ACS1216 swi tches can also be installed on [...]

KH1508 / KH1516 User Manual 16 b) Power on each station on the installatio n in turn (Second S tation, then Third Station, etc.). In each case, wait for the S tation ID to be ascertained and displayed before powering on th e ne xt statio n. c) After all the Stations ar e up, power on the computers. Daisy Chain Inst allation Diagram kh15816.book Pag[...]

17 Chapter 3 Basic Operation Port Selection KH1508 / KH1516 installations p rovide three methods to obtain instan t access to any computer in your installation: Manual, OSD, and Hotkey . Manual For a stand alone switch, or the first st age unit of a daisy chained installation, simply press the Port Swit ch that corresponds to th e device you wish t[...]

KH1508 / KH1516 User Manual 18 Hot Plugging The KH1508 / KH1516 suppo rts hot plugging – comp onents can be removed and added back into the inst allation by unplugging and replu gging their cables from their ports without the need to shut the unit down. In order for hot plugging to work properly, however, the procedures descri bed below must be f[...]

Chapter 3. Basic Operation 19 Powering Off and Rest arting 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 computer s that are attached to it. Note: Y ou must unplug the powe r cor ds of any computers t[...]

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21 Chapter 4 OSD Operation OSD Overview The On Screen Display (OSD) is a menu d riven method to handle computer control and switchi ng operations. All pr ocedures start from the OSD Main Screen. To pop up the Main Screen, tap [Scroll Lock] twic e. Note: Y ou can optio nally change the Hotk ey to the Ctrl key , in whic h case you would tap [C trl] t[...]

KH1508 / KH1516 User Manual 22 When you invoke the OSD, a screen similar to the one below appears: Note: 1. The diagram depicts the Administra tor'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. 2. The OSD always starts in Li[...]

Chapter 4. OSD Operation 23 OSD Navigation  T o dismiss the menu, and d eactivate the OSD, Click the X at the upper right corner of the OSD W indow or press Esc .  T o Logout click F8 or the Z Z Z symbol at the top of the Main Screen, or press [F8].  The OSD uses a tree view . T o see the por ts for a particular station, click the plus sig[...]

KH1508 / KH1516 User Manual 24 OSD Functions OSD functions are used to configure an d 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 C[...]

Chapter 4. OSD Operation 25 F2 LIST This function le ts you broaden or narr ow the scope of which ports th e OSD displays (lists) on the Main Screen. Many of the OSD func tions only operate on the computers currently selected for Listing on the Main Screen with this function. The submenu choices and thei r meanings are given in the table below: Mov[...]

KH1508 / KH1516 User Manual 26 F3 SET This function allows the Administrator an d 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 prov ided during Login. To change a setting: 1. Double-click it; or move the highlight bar to it, then press [Enter]. 2. [...]

Chapter 4. OSD Operation 27 (Continued from previous page.) Setting Function PORT ID DISPLA Y MODE Selects how the Port ID is displayed: the Port Number alone ( PORT NUMBER ); the Port Name alone ( PORT NAME ); or the Por t Number plus the Port Name ( PORT NUMBER + PORT NAME ). The default is PORT NUMBER + POR T NAME). SCAN DURA TION Determines how[...]

KH1508 / KH1516 User Manual 28 F4 ADM F4 is an Administrator only fun ction. It allows the A dministrator to con figure and control the overall oper ation of the OSD. To change a setting Double Click it; or use the Up and Down Arrow Keys to m ove th e highlight bar to it, th en press [Enter]. After you select an item, a submenu with further choices[...]

Chapter 4. OSD Operation 29 (Continued from previous page.) (continues on next page) Setting Function EDIT PORT NAMES T o he lp remember which computer is attached to a particular port, every port can be given a name. This function allows the Administrator to create, modify , or delete port names. T o Edit a port n ame: 1. Click the port you want, [...]

KH1508 / KH1516 User Manual 30 (F4 ADM continued) (continues on next page) Setting Function SET QUICK VIEW PORTS This function let s the Administrator select which Ports to include as Quick View por ts.  T o select/deselect a port as a Qu ick V iew Port, use the Navigation Keys to move the highlight bar to it , then press the [S pacebar].  Wh[...]

Chapter 4. OSD Operation 31 (Continued from previous page.) (F4 ADM continued) Setting Function SET OPERA TING SYSTEM S pecifies the operating platform of the computer attached to each p ort. For each port, press the [Sp acebar] to cycle through the choices (PC, Mac, Sun, and Other). Repeat until all the ports have been set, then press [Esc]. The d[...]

KH1508 / KH1516 User Manual 32 F5 SKP This function enables you to easily skip backward or forw ard, switching the console focus from the cu rrently active KVM Port to the previous or next available one.  The selection of comp uters to be available for Skip M ode switching is made with the Scan/Skip Mode setting und er the F3 SET function (see p[...]

Chapter 4. OSD Operation 33 F6 BRC F6 is an Administrator only function. When this function is in effect, commands sent from the console are br oadcast to all available computers on the installation. This function is parti cularly useful for operatio ns that need to be performed on multiple computers, such as performing a system wid e shutdown, ins[...]

KH1508 / KH1516 User Manual 34 F7 SCAN This function automatically switches am ong the available computers at regular intervals so that you can monito r thei r activity without having to take the trouble of switching manu ally.  The selection of computers to be included for Auto Scanning is made wit h the Scan/Skip Mode setting under the F3 S ET[...]

Chapter 4. OSD Operation 35 F8 LOUT Clicking the F8 field, or pressing [F8], lo gs y ou out of the OSD and blanks the Console screen. This is different from simply deactivatin g 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 t[...]

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37 Chapter 5 Keyboard Operation Keyboard Port Control Keyboard port control allows you to provi de KVM focus to a particular computer using hotkey combinations from th e keyboard. The KH1508 / KH1516 provides the follow ing ho tkey port control features:  Selecting the Active Port  Auto Scanning  Skip Mode Switch in g Invoking Hotkey Mode [...]

KH1508 / KH1516 User Manual 38 Selecting the Active Port Each Computer Port is assigned a Port ID (see Port ID Numbering , page 19). You can directly access an y computer on the inst allation with a hotkey combination that specifies th e Port ID of the Computer Port that the computer is connected to. The steps involved are: 1. Invok e Hotkey Mode ([...]

Chapter 5. Keyboard Operation 39 Invoking Auto Scan To start Auto Scanning, key in the fol low ing hotkey combination: 1. Invoke Hotkey Mode (see page 37). 2. 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 orde[...]

KH1508 / KH1516 User Manual 40 Skip Mode This feature allows you to switch between computers in o rder to monitor t hem manually. You can dwel l on a particular port for as long or as lit tle as you like - as opposed to Auto Scanning, whic h automatically switches after a fixed interval. To invoke Skip Mode, key in the following hot key com binat i[...]

Chapter 5. Keyboard Operation 41 Hotkey Beeper Control The Beeper (see ACTIVATE BEEPER , page 29) can be hotkey to ggled On and Off. To toggle the Beep er, key in the fo llowing hotkey co mbination: 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 Off f[...]

KH1508 / KH1516 User Manual 42 Hotkey Summary T able [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] When in Auto Scan Mode, it pauses Auto Scanning. Left-click Any key Resumes Auto Scanning[...]

43 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 . PC Keyboard Mac Keyboard [S hift ] Sh ift [[...]

KH1508 / KH1516 User Manual 44 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. Note: When using key combinations, press and release the first key (Ctrl), then press an[...]

45 Chapter 7 Firmware Upgrade KH1508 / KH1516 Upgrade Introduction As new firmware revisions become av ailable for the KH1508 / KH1516, new firmware upgrade packages are posted on our web site. Check the web site regularly to find the lat e st packages and information relating to them. Before Y ou Begin To prepare for the firmware upgrade, do the f[...]

KH1508 / KH1516 User Manual 46 Note: On a daisy chained installation, conn ect the cable to the First Station (Master) unit. The chained stations (Slaves) will r eceive the upgrade via the daisy chain cables. 4. Shut down all of the computers - but not the Stations - on your KVM installation. 5. From you r KV M switch consol e, bring up the OSD (se[...]

Chapter 7. Firmware Upgrade 47 3. Click Next to co ntinue. The Firmware Upgrade Utility main screen appears: The Utility inspects your installation. All th e devices capable of being upgraded by the package are listed in the Device List panel. kh15816.book Page 47 Tuesd ay, November 27, 2007 1:05 PM[...]

KH1508 / KH1516 User Manual 48 4. After you have made your selecti on(s), Click Next to perform the upgrade.  If you enabled Check Firmwar e V ersion , the Utility compares the device's firmware level with that of the upg rade files. If it finds that the device's version is higher than the upgrade version, it brings up a dialog box inf[...]

Chapter 7. Firmware Upgrade 49 Upgrade Succeede d: After the upgrade has completed, a screen appears to inform you that the procedure was successful: Click Finish to close the Firmwa re Upgrade Utility. Upgrade Fail ed: If the upgrade failed to complete succe ssfully a dialog box appears asking if you want to retry. Click Yes to retry. If you Click[...]

KH1508 / KH1516 User Manual 50 Firmware Upgrade Recovery There are basically four conditions that call for firmware upgrade recovery:  When the unit’ s firmware becomes corr upted for some reason and you are unable to operate it.  When you invoke Firmware Upgrade Mo de (see FIRMWARE UPGRADE , page 31), but decide not to proceed with the upg[...]

Chapter 7. Firmware Upgrade 51 Adapter Cable Upgrade Introduction The firmware for the KA9520, KA9570, and KA9130 KVM Adapter Cables can also be upgraded. Check th e 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 A[...]

KH1508 / KH1516 User Manual 52 Performing the Upgrade St arting the Upgrad e: To upgrade your firmware: 1. Run the downloaded Firmware Upgrade Package file - either by double clicking the file icon, o r by opening a command line and keying in th e full path to it. The Firmware Upgrade Utility We l c o m e screen appears (see page 46). 2. Read and A[...]

Chapter 7. Firmware Upgrade 53 Upgrade Succeede d: After the upgrade has completed, a screen appears to inform you that the procedure was successful: Click Finish to close the Firmwa re Upgrade Utility. Note: At the completion of the upgrade the KH1 508 / KH1516 restarts. kh15816.book Page 53 Tuesd ay, November 27, 2007 1:05 PM[...]

KH1508 / KH1516 User Manual 54 Firmware Upgrade Recovery There are basically four conditions that call for firmware upgrade recovery:  When the unit’ s firmware becomes corr upted 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 upgrad[...]

55 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.). If the device falls, serious damage wi ll resul t.  Do not use the device near water .  Do[...]

KH1508 / KH1516 User Manual 56 (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 us ed on this cord does not exceed the extension cord ampere rating. Mak e sure that the total of all products plugged into the wall outlet does not exceed 15 amperes.  T [...]

Appendix 57 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.  Always load the r[...]

KH1508 / KH1516 User Manual 58 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.  Y our computer configu ration, inclu[...]

Appendix 59 Connection T ables The following table indicates the relation ship between the number of K H1508 / KH1516 units and the number of comput ers that they control KH1508 KH1516 MVs Computers MVs Computers MVs Compu ters MVs Computers 1 1 - 8 9 65 - 72 17 129 - 136 25 193 - 200 2 9 - 16 10 73 - 80 18 137 - 144 26 201- 208 3 1 7 - 24 1 1 81 -[...]

KH1508 / KH1516 User Manual 60 OSD Factory Default Settings The factory default se ttings 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 Blank[...]

Appendix 61 Specifications Function KH1508 KH1516 Computer Connections Direct 8 16 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 1[...]

KH1508 / KH1516 User Manual 62 Administrator Login Failure If you are unable to perform an Adminis trator login (because the Username and Password information has become corrupted or you have forgotten it, for example) you can clear th e login informat ion with the following procedure: 1. Power off the KH1508 / KH1516 and remove its housing . 2. Sh[...]

Appendix 63 T roubleshooting 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 S tation IDs display as 01. S tation 1 suddenly lost its power . W ait a few seconds for the system to reinitialize the station sequence and dis[...]

KH1508 / KH1516 User Manual 64 User Manual Corrections The KH1508 / KH1516 User Manua l describes certain features that may not be available on your KVM switch. The table below lists the features in question. Please update your manual accordi ng to the i nformation described. Page Item Correction 22 Screenshot If your OSD does not have the F6 BRC f[...]

Appendix 65 Limited W arranty ALTUSEN warrants this product against defects in material or workmanshi p fo r a period of one (1) year from the date of purch ase. If this produ ct 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 proce[...]

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67 Index A Adapter cable installation, 14 Administrator Login Failure, 62 Auto Scanning, 27, 38 Invoking Auto Scan, 39 Pausing Auto Scan, 39 Setting the Scan Interval, 38 Stopping, 39 B Beeper Hotkey Control, 41 C Components Front View, 6 Rear View, 8 Connection Tables, 59 D Daisy Chaining, 15 F Factory Default Settings, 60 Features, 3 Firmware upg[...]

KH5108 / KH5116 User Manual 68 OSD Factory Default Settings, 60 Functions, 2 4 Hotkey, 21 Main Screen Headings, 23 Navigation, 2 3 Overview, 21 Password, 21 P Password, 2 1 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 Opera[...]