KVM Extender CE252 User Manual www.aten.
CE252 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.
CE252 User Manual User Information Online Registration Be sure to register your product at our online support center: International North America http://support.aten.com ATEN TECH http://www.aten-usa.com/product_registration ATEN NJ http://support.aten.
CE252 User Manual Package Contents The CE252 KVM Extender package consists of: 1 CE252L KVM Extender (Local Unit) 1 CE252R KVM Extender (Remote Unit) 2 Custom KVM Cables 1 Power Adapter 2 Rack Mount Kits 2 Grounding Wires 1 User Manual* 1 Quick Start Guide Check to make sure that all the components are present and that nothing got damaged in shipping. If you encounter a problem, contact your dealer.
CE252 User Manual Contents FCC Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii RoHS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii SJ/T 11364-2006. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii Online Registration . . . . . . . . . . .
CE252 User Manual Appendix Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 International . . . . . . . . . . . . . . . . . . . . . . . . .
CE252 User Manual About this Manual This User Manual is provided to help you get the most from your c/c system. It covers all aspects of installation, configuration and operation. An overview of the information found in the manual is provided below. Chapter 1, Introduction, introduces you to the CE252 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.
CE252 User Manual Product Information For information about all ATEN products and how they can help you connect without limits, visit ATEN on the Web or contact an ATEN Authorized Reseller. Visit ATEN on the Web for a list of locations and telephone numbers: International North America viii http://www.aten.com ATEN TECH http://www.aten-usa.com ATEN NJ http://www.aten.
Chapter 1 Introduction Overview The CE252 offers local and remote access to your KVM installation. Both (local and remote) KVM extenders support PS/2 consoles and can be located up to 300 m (1000 feet) apart. You can reliably manage a large number of computers via a KVM switch. Additional computers can also be connected to the remote KVM extender.
CE252 User Manual Features Local and Remote units connect at distances up to 300m using Cat.
1. Introduction Requirements Console 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 type keyboard A PS/2 type mouse Note: If you connect a DDC type monitor to the Local Unit, the monitor that connects to the Remote Unit must be able to support the highest video resolution that the DDC monitor can provide.
CE252 User Manual Components CE252L Front View 1 No. Description 2 3 4 Function 1 KVM Port The KVM cable that links the CE252L to the local computer plugs in here. 2 Local LED 3 Remote LED The Local Unit has two LEDs to indicate the operating status of the Local and Remote Units. See LED Display, page 16, for operating status details. 4 Local /Auto Pushbutton Pressing this button toggles between the Local and Remote operating modes. Local: Only the local console controls the system.
1. Introduction CE252R Front View 1 5 2 3 No. Description 6 4 Function 1 KVM Port The KVM cable that links the CE252R to the remote computer plugs in here. 2 Manual Gain Control Use a flathead screwdriver or another similar object to manually adjust the signal gain.
CE252 User Manual CE252L / CE252R Rear View 1 2 3 No. Description 4 5 Function 1 Power Jack The cable from the AC Power Adapter connects here.* 2 Keyboard / Mouse Ports These PS/2 ports are for the Console’s keyboard (purple) and mouse (green). 3 Remote I/O The Category 5 cable that connects the Remote and Local Units plugs in here. 4 Grounding Terminal The grounding wire (used to ground the unit) attaches here. 5 Monitor Port The Console monitor connects to this port.
Chapter 2 Hardware Setup 1. Important safety information regarding the placement of this device is provided on page 17. Please review it before proceeding. 2. Make sure that all the devices you will be connecting are properly grounded. Rack Mounting For convenience and flexibility, the CE252L and CE252R can be mounted on system racks. To rack mount a unit do the following: 1. Unscrew either the two front screws or two rear screws from the bottom panel. 2.
CE252 User Manual 3. Screw the bracket into any convenient location on the rack.
2. Hardware Setup Installation Grounding To prevent damage to your installation it is important that all devices are properly grounded. 1. Use the two grounding wires supplied with this package to ground both units by connecting one end of the wire to the grounding terminal, and the other end of the wire to a suitable grounded object. 2. Make sure that the computer that the CE252L connects to and the monitor that the CE252R connects to are properly grounded. STP Cable (Cat 5 or higher) up to 300 m 3.
CE252 User Manual 4. For increased grounding protection, use STP (shielded twisted pair) cable to connect the local and remote units. There are two methods that can be used: a) In addition to the eight paired wires, STP cable also contains a grounding wire. Solder this wire to the RJ-45 connector as shown in the diagram below: b) The second method is to use the STP cable shielding for grounding.
2. Hardware Setup Setting Up Setting up the CE252 is simply a matter of plugging in the cables. Refer to the installation diagram on the following page (the numbers in the diagram correspond to the numbered steps) and do the following: 1. Connect the local console devices (mouse, keyboard and monitor) to the ports on the rear of the Local Unit (CE252L). 2.
CE252 User Manual Installation Diagram Remote Front View Local Front View 2 5 KVM cable Local PC Remote PC Local Rear View Remote Rear View Cat.
Chapter 3 Operation Access Methods By default, the Remote Console allows you to access computers connected to the Local Unit (via the KVM switch). Moreover, the Remote Console offers access to computers connected to the Remote Unit. For example, an additional computer or KVM switch connected to the Remote Unit. The CE252R/L KVM Extender features the following two flexible computer access methods: Hotkey Operation and Auto Scan Mode.
CE252 User Manual Auto Scan Mode (ASM) The Auto Scan feature automatically toggles the KVM focus between the Local and Remote Units at regular intervals. As a result, any computers connected to each can be monitored without user intervention. The default time interval is 5 seconds.
3. Operation Using Gain Controls After installing the CE252R/L, you can adjust the strength of the video signal (Gain). There are two available Gain controls: Automatic and Manual. Select the Automatic Gain slide switch on the Remote Unit to let CE252R/L adjust the video signal strength. Otherwise, to adjust the gain manually, select the Manual Gain slide switch, then turn the Video Gain Control knob left or right.
CE252 User Manual LED Display The CE252 Local and Remote Units have front panel LEDs to indicate their operating status, as shown in the tables, below: CE252L (Local Unit) LED Local Auto 1. Lights when the local console is active (the Remote LED is out). 2. Turns off when the remote console is active (the Remote LED turns on). 3. Flashes on and off alternately with the Remote LED when neither console is active. Remote 1. Lights when the remote console is active (the Local LED is out). 2.
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 result. 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.
CE252 User Manual 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 un-interruptible power supply (UPS).
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.
CE252 User Manual Technical Support Technical support is available both by email and online (with a browser over the web): International Email Support Online Support support@aten.com Technical Support http://support.aten.com Troubleshooting Documentation Software Updates http://www.aten.com Telephone Support 886-2-8692-6959 North America Email Support ATEN TECH support@aten-usa.
Appendix Specifications Function Connectors Console Port CE252L Keyboard 1 x 6-pin Mini-DIN Female (Purple) Video 1 x HDB-15 Female (Blue) Mouse 1 x 6-pin Mini-DIN Female (Green) KVM Port 1 x SPHD-15 Female (Yellow) Link 1 x RJ-45 Female Power adapter LEDs Switches Emulation 1 x DC Jack Local 1 (Green) Remote 1 (Green) Selection Mode 1 x Pushbutton N/A Manual Gain Control N/A 1 x Knob Auto / Manual Gain Selection N/A 1 x Slide Hotkey Selection N/A 1 x Slide Keyboard / Mouse
CE252 User Manual VGA Pin Assignments Pin Signal Pin Signal Pin Signal 1 Red Video 6 Analog Ground 11 ID0 2 Green Video 7 Analog Ground 12 ID1 3 Blue Video 8 Analog Ground 13 Horizontal Sync 4 ID2 9 NC 14 Vertical Sync 5 Ground 10 Ground 15 ID3 TP Wiring Diagram PAIR 3 PAIR 2 PAIR 1 PAIR 4 1 2 3 4 5 6 7 8 W-O O W-G Bl W-Bl G W-Br Br JACK POSITIONS T568B AT&T 258A TP Pin Assignments 22 Pin Assignment 1 V OUT B 2 /V OUT B 3 V OUT G 4 V OUT R 5 /V OUT
Appendix Troubleshooting Problem Solution No video Make sure that all cables are securely plugged into their sockets. Poor video quality The video quality can be improved by reducing the refresh rate. Trails and smearing on the screen. Unplug the Cat 5 cable from the remote unit, then replug it. Local Unit not working The power from the local computer/computers in the KVM installation may be insufficient. You may need to purchase a power adapter for use with the CE252L.
CE252 User Manual About SPHD Connectors This product uses SPHD connectors for its KVM and/or Console ports. We have specifically modified the shape of these connectors so that only KVM cables that we have designed to work with this product can be connected. Limited Warranty IN NO EVENT SHALL THE DIRECT VENDOR'S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT, DISK, OR ITS DOCUMENTATION.
