Black Box ACU1022A User Manual
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Black Box ACU1022A User Manual

Black Box ACU1022A User Manual

Cat5 kvm/series/audio extender
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APRIL 2002
ACU1022A
ACU1028A

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  • Page 1 APRIL 2002 ACU1022A ACU1028A...
  • Page 2 ServSwitch system that’s just right for you. The ServSwitch ™ family from Black Box—the one-stop answer for all your KVM- switching needs! This manual will tell you all about your new ServSwitch™ Brand CAT5 KVM/ Serial/Audio Extender, including how to install, operate, and troubleshoot it. For an introduction to the Extender, see Chapter 3.
  • Page 3 SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO-FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication. It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when the equipment is...
  • Page 4 TRADEMARKS USED IN THIS MANUAL BLACK BOX and the logo are registered trademarks, and ServSwitch is a trademark, of Black Box Corporation. Apple and Macintosh are registered trademarks of Apple Computer, Inc. AT&T is a registered trademark of AT&T. Pentium is a registered trademark of Intel Corporation.
  • Page 5 SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 6 NOM STATEMENT 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del aparato.

  • Page 7: Table Of Contents

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER Contents Chapter Page 1. Quick Start Guide ..................8 2. Specifications ................... 10 3. Introduction ..................... 14 3.1 Compatibility ..................15 3.2 Key Features ..................16 4. Checklist of System Components ............18 4.1 The Complete Package ..............18 4.2 The Cables You’ll Need ..............

  • Page 8: Chapter Page

    8.1.5 Audio Devices ................42 8.1.6 Video ..................42 8.1.7 Power ..................44 8.2 General Questions About the Extender .......... 45 8.3 Calling Black Box ................47 8.4 Shipping and Packaging ..............47 Appendix A: Cable Pinning/Pairing ............. 48 Appendix B: Rackmounting ................49...

  • Page 9: Quick Start Guide

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER 1. Quick Start Guide Configuring the Extender Configuring the ServSwitch™ Brand CAT5 KVM/Serial/Audio Extender involves setting some internal controls. Read the next couple of paragraphs, and if you find that you’ll need to change configuration settings, follow the procedure that’s listed afterward.
  • Page 10 CHAPTER 1: Quick Start Guide Installing the Extender To install your Extender system, refer to the illustration below. (A Dual-Access model is shown; the Single-Access model won’t have the local user station.) Take these steps: 1. Use the included extension cables to attach the CPU’s video, keyboard, mouse, serial, and/or audio ports to the Local Unit.

  • Page 11: Specifications

    Compatibility: Video: VGA, SVGA, XGA, XGA-2, or RGB (sync on green), although if your system has monitor ID-bit requirements, you might need to call Black Box for technical support; Keyboard: IBM PC/AT or PS/2 compatible (PC/AT types require connector adapter);...
  • Page 12 CHAPTER 2: Specifications Serial Characteristics: Data rate: Transparent to data rates up to 19,200 bps; Data format: Transparent to data format; Flow control: Transparent to hardware and software flow control (RTS, CTS, DTR, and DSR are all passed through across the link) Audio Signal format: Digitized at almost CD quality (16-bit Characteristics:...
  • Page 13 SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER On Local Unit: Connectors: (1) Front-mounted RJ-45 female for local/remote interconnection; Rear-mounted: (1) HD15 male for video input from computer; (2) 6-pin mini-DIN female for keyboard and mouse output to computer; (2) 3.5-mm mini stereo jacks for audio I/O to/from computer;...
  • Page 14 CHAPTER 2: Specifications Local Unit: Power: 5 VDC at up to 170 mA from CPU’s keyboard port; Remote Unit: From desktop power supply (certified to the relevant international safety standards): Input: 100 to 240 VAC at 50 to 60 Hz from utility- power outlet, through detachable power cord and IEC 320 male inlet, to external transformer;...

  • Page 15: Introduction

    All keyboard, mouse, video, serial, and audio signals are fully buffered to ensure consistent remote operation of your PC. The Extender’s Single-Access model (ACU1022A) is designed to perform KVM, serial, and audio extension only. With the Dual-Access model (ACU1028A), you can attach an additional monitor, keyboard, and mouse to the Local Unit;...

  • Page 16: Compatibility

    Extender. Some older PC/XT™ or PC/AT type autosensing keyboards might not be compatible with the Extender. If a keyboard or keyboard port you want to use is some other type or has some other type of connector, call Black Box Technical Support.

  • Page 17: Key Features

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER • Serial Device: Standard asynchronous RS-232 devices, including serial mice and trackballs, that operate at up to 19,200 bps and don’t require any control signals other than RTS, CTS, DSR, and DTR. (The Extender is transparent to data format and to all data rates up to 19,200 bps.
  • Page 18 CHAPTER 3: Introduction • Microsoft IntelliMouse compatibility Use this and compatible “wheel mice” with confidence. On the Dual-Access model, you can even use a standard PS/2 mouse at one user station and an IntelliMouse at the other. • Rackmountable You can use our Rackmount Kit (product code RMK19U) to place Extender Units in 1U of vertical space in a 19"...

  • Page 19: Checklist Of System Components

    4. Checklist of System Components 4.1 The Complete Package These items should be included with your ServSwitch™ Brand CAT5 KVM/Serial/ Audio Extender package (please contact Black Box right away if any are missing or damaged): • (1) Extender Local Unit.

  • Page 20: The Cables You'll Need

    KV160A-R2, etc.) should work; see Sections 4.2.3 and 6.2.5 for instructions on connecting a Multi. Before attaching any other KVM switch to the Extender, please call Black Box Technical Support to discuss your application. NOTE When you order any cable listed in this section, you will be asked to specify the length you want.

  • Page 21: To Connect A Monitor, Keyboard, Mouse, Serial Device, And Audio Devices To The Remote Unit Or To The Dual-Access Local Unit

    (or no flow control) instead. To do this, you’ll need to attach special breakout cables to the Extender’s serial ports. Call Black Box Technical Support if you’d like to do this. If your audio device is made to plug directly into a CPU, it will plug directly into the Remote Unit;...

  • Page 22: To Connect The Local Unit To The Remote Unit

    CHAPTER 4: Checklist of System Components 4.2.4 T ONNECT THE OCAL NIT TO THE EMOTE To interconnect the Extender’s Local and Remote Units, you’ll need industry- standard structured cabling (Category 5 UTP or STP, 4-pair) terminated with RJ-45 plugs. Order CAT5 patch cables such as our product code EYN737MS or CAT5 bulk cable such as our EYN840A.

  • Page 23: Configuration

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER 5. Configuration The configuration controls for the ServSwitch Brand CAT5 KVM/Serial/Audio Extender are internal, but should only need to be set once. To get at them, first open the Unit by unscrewing the four screws on its case and lifting off the top half of the case.
  • Page 24 CHAPTER 5: Configuration If you are conducting a same-room test prior to your final installation, as we recommend—see Section 6.1—set the jumpers as appropriate for the length of the test cable first; then, if the Units pass the test, reset the jumpers for your actual installation length.

  • Page 25: Setting The Dip Switch: Keyboard-Command Hotkey

    To have the Extender use left-[Ctrl] for its hotkey, move position 2 to ON. (If neither right- nor left-[Ctrl] are suitable for this purpose in your application, please call Black Box Technical Support.) 5.3 Setting the Microphone-Amplification Jumper (Not Normally Necessary) All sound cards that we have tested so far are able to amplify the incoming signal from a microphone—the card should be set to amplify the signal by +20 dB.

  • Page 26: Installation

    CHAPTER 6: Installation 6. Installation To install your ServSwitch™ Brand CAT5 KVM/Serial/Audio Extender, first test- place it (if you want to) as described in Section 6.1, then attach devices as described in Section 6.2, then finish your installation as described in Section 6.3. Lastly, adjust the video compensation as described in Section 6.4.

  • Page 27: Special Concerns About Connecting Audio Devices

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER 6.2.1 S PECIAL ONCERNS BOUT ONNECTING UDIO EVICES Before you connect any sound equipment to the KVM/Serial/Audio Extender, here are some things you should keep in mind: The Extender’s audio interface is stereo, bidirectional (sound can be transmitted in both directions across the link at the same time), and line-level (it supports devices that transmit and receive at up to 5 volts peak-to-peak).

  • Page 28: Attaching A Cpu To The Local Unit

    CHAPTER 6: Installation 6.2.2 A TTACHING A TO THE OCAL Run the included extension cabling from the PC’s video, keyboard, mouse, serial, and/or audio ports to the matching connectors of the Local Unit’s CPU port. For guidelines on which audio connectors to use on the PC’s sound card, see Section 6.2.1.

  • Page 29: Attaching A Monitor, Keyboard, Mouse

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER 6.2.4 A TTACHING A ONITOR EYBOARD OUSE ERIAL EVICE UDIO EVICES TO THE EMOTE Plug the monitor, keyboard, mouse, serial device, and/or audio devices directly into the matching connectors in the Remote Unit’s user port. If a serial or audio device doesn’t have its own attached cable, you might need to use a serial- or audio-extension cable to connect it.

  • Page 30: Attaching A Servswitch Multi To The Extender

    CHAPTER 6: Installation 6.2.5 A TTACHING A WITCH ULTI TO THE XTENDER To attach a User Card installed in a ServSwitch Multi to the CPU port of an Extender’s Local Unit, first plug the extension cabling included with the Extender into the matching connectors of the Local Unit’s user port.

  • Page 31: Finishing Your Installation

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER 6.3 Finishing Your Installation To finish installing a KVM/Serial/Audio Extender after attaching devices to it as described in Section 6.2, take these steps: 1. Interconnect the Remote Unit and the Local Unit by running CAT5 cable between their front-panel modular jacks.
  • Page 32 CHAPTER 6: Installation 8. Make sure the remote serial device functions. You might need to load a driver or run an application in order for the CPU to be able to detect and handle the serial data. If everything works in your test setup, repeat the procedures in Section 6.2 and 6.3 for your actual installation.
  • Page 33 SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER CAT5 interconnect cable Remote Local Unit Unit Power supply Local monitor, PC CPU Remote monitor, keyboard, Extension keyboard, and mouse mouse, serial printer, and cables dual-connector headset with (included) microphone Figure 6-8. A Dual-Access Extender-system installation, rear view.

  • Page 34: Adjusting The Video Compensation

    CHAPTER 6: Installation 6.4 Adjusting the Video Compensation You should only need to take the steps in this section if the interconnect cable between your Local and Remote Units is longer than 25 m (80 ft.). If it isn’t that long, but the video at the remote site still looks awful, first try adjusting the Remote Unit’s Brightness and Focus dials.

  • Page 35: Operation

    (maintaining the twists between the wire pairs) and must have enough bandwidth to support your system’s video demands. Please call Black Box Technical Support to discuss your application before installing such a system.

  • Page 36: Keyboard Commands And Related Functions

    CHAPTER 7: Operation 7.3 Keyboard Commands and Related Functions This section describes KVM/Serial/Audio Extender functions that can be controlled with commands that users can type in at the user-station keyboards, as well as some related functions. The Extender uses either left- or right-[Ctrl] as a “hotkey”...

  • Page 37: The Inactivity Timeout (Dual-Access Extender Only)

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER feature you can use to painlessly recover from this kind of glitch. First try to reset the mouse as described in Section 7.3.1. If this doesn’t work, send the “Null Mouse Command” in order to resynchronize the CPU’s mouse port: Press and release the hotkey, then press and release the left-arrow (number 4) key on the keyboard’s numeric keypad (not the number 4 on the top row of the keyboard).

  • Page 38: Private Mode (Dual-Access Extender Only)

    CHAPTER 7: Operation length of the “inactivity timeout,” the Extender “lets go” of that station, and will switch to whichever station it next detects keyboard input from. When the Extender boots up, it gives control (and its total attention) to the local station for at least a portion of the inactivity-timeout period.

  • Page 39: Troubleshooting

    This section discusses difficulties that people sometimes have with the ServSwitch™ Brand CAT5 KVM/Serial/Audio Extender, and suggests possible remedies. If the recommended actions don’t help, if you don’t see your problem here, or if your problem keeps recurring, call Black Box Technical Support as directed in Section 8.3. 8.1.1 K EYBOARD The PC boots correctly with no error messages, but the keyboard does not work at all.

  • Page 40: Mouse

    CHAPTER 8: Troubleshooting Connecting a keyboard to the Remote Unit has an adverse effect on the remote video. Try using a newer keyboard. (Some older keyboards require too high a current for the Remote Unit to properly drive the video signal.) When I don’t use a keyboard, the Extender doesn’t work at all.

  • Page 41: Both Keyboard And Mouse

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER The mouse is behaving erratically. 1. Reset the mouse as described in Section 7.3.1. 2. Issue the Null Mouse Command up to three times (see Section 7.3.2). 3. If your PC is running Windows 95/98/2000, Windows Me, Windows NT, or Windows XP, regardless of what type of mouse you have, install the latest Microsoft driver for a standard mouse or (even if you have a standard mouse) the IntelliMouse.

  • Page 42: Serial Device

    In order to operate correctly, some UNIX workstations need to see the DCD signal from the serial device, but the Extender doesn’t carry DCD. Call Black Box Technical Support if you’ve ruled out the other possibilities and suspect that this might be your problem.

  • Page 43: Audio Devices

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER 8.1.5 A UDIO EVICES Sound doesn’t seem to get through from the local site to the remote site or vice versa. 1. Check the audio cables, including those attached to your speakers. Are they intact along their length and securely connected at both ends? Are all cables running correctly from LINE OUT to LINE IN? 2.
  • Page 44 Also, don’t route your interconnect cable anywhere near power lines or other powerful sources of interference such as generators, motors, or fluorescent lights. If this is a persistent problem, please discuss it with Black Box Technical Support. I only need video or serial extension—not keyboard/mouse control—but I can’t get a picture.

  • Page 45: Power

    Local Unit’s CPU-port keyboard connector to the keyboard port of the CPU or KVM switch in order to power the Local Unit. If this is not possible, please call Black Box Technical Support to discuss your application; you might need a keyboard-port power supply for the Local Unit.

  • Page 46: General Questions About The Extender

    Remote Unit (and, if it’s a Dual-Access model, the Local Unit; see Section 7.3.1) after each such swap or switch. Please call Black Box Technical Support to discuss your application before deploying such a system.
  • Page 47 SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER Can the Extender be used with RGB video? As long as the video has sync on green (the composite sync signal superimposed on the green color signal), there should be no problem. Which cable type is better: UTP (unshielded twisted pair) or STP (shielded twisted pair)? In electrically quiet environments, UTP cable will give the best quality video over long distances because it has less capacitance per unit length.

  • Page 48: Calling Black Box

    • If you are shipping it for repair, please include all parts of the Remote Unit’s external power supply. If you are returning it, please include everything you received with it. Before you ship the Extender back to Black Box for repair or return, contact us to get a Return Authorization (RA) number.

  • Page 49: Appendix A: Cable Pinning/Pairing

    White/Green is on Pin 7, Green/White on Pin 8, White/Brown on Pin 3, and Brown/White on Pin 6. The Extender has been tested with all major makes of CAT5 cable including Black Box, Berk-Tek™, Mohawk ® , and AT&T ®...

  • Page 50: Appendix B: Rackmounting

    APPENDIX B: Rackmounting Appendix B: Rackmounting If you’d like to mount any of your ServSwitch™ Brand CAT5 KVM/Serial/Audio Extender system’s Local or Remote Units in a 19" rack, use a two-bracket Rackmount Kit like the one shown below (product code RMK19U): To use a Kit to mount an Extender Unit, take these steps, referring to the illustration below: 1.

  • Page 51: Appendix C: Keyboard-Command Summary

    SERVSWITCH™ BRAND CAT5 KVM/SERIAL/AUDIO EXTENDER Appendix C: Keyboard-Command Summary Here is a brief list of the keyboard commands you can use to control your ServSwitch™ Brand CAT5 KVM/Serial/Audio Extender. For detailed descriptions of the commands and the effects they have on the system (including their effects on the keyboard LEDs), refer to Section 7.3.
  • Page 52 LEGAL INFORMATION DISCLAIMERS While every precaution has been taken in the preparation of this manual, the manufacturer assumes no responsibility for errors or omissions. Neither does the manufacturer assume any liability for damages resulting from the use of the information contained herein. They reserve the right to change the specifications, functions, or circuitry of the product without notice.
  • Page 53 NOTES...
  • Page 54 Customer Support Information: FREE tech support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746. Mailing address: Black Box Corporation, 1000 Park Dr., Lawrence, PA 15055-1018 World-Wide Web: www.blackbox.com • E-mail: info@blackbox.com © Copyright 2002. Black Box Corporation. All rights reserved.

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Acu1028a

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