Black Box ServSwitch ACUR004A Manual
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Black Box ServSwitch ACUR004A Manual

Black Box ServSwitch ACUR004A Manual

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Welcome to the ServSwitch™ Family!
Thank you for purchasing a BLACK BOX® ServSwitch™ Brand CATx KVM Extender
model! We appreciate your business, and we think you'll appreciate the many ways that your
enhanced keyboard/video/mouse system will save you money, time, and effort.
That's because our ServSwitch family is all about breaking away from the traditional,
expensive model of computer management. You know, the one-size-fits-all-even-if-it-doesn't
model that says, "One computer gets one user station, no more, no less." Why not a single
user station (monitor, keyboard, and mouse) for multiple computers—even computers of
different platforms? Why not a pair of user stations, each of which can control multiple
computers? Why not multiple user stations for the same computer?
With our ServSwitch products, there's no reason why not. We carry a broad line of robust
solutions for all these applications. Do you have just two PCs, and need an economical
alternative to keeping two monitors, keyboards, and mice on your desk? Or do you need to
share dozens of computers, including a mix of IBM® PC, RS/6000®, Apple® Macintosh®,
Sun Microsystems®, and SGI™ compatibles among multiple users with different access
levels? Does your switch have to sit solidly on a worktable and use regular everyday cables?
Or does it have to be mounted in an equipment rack and use convenient many-to-one cables?
No matter how large or small your setup is, no matter how simple or how complex, we're
confident we have a 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 CATx KVM Extender,
including how to install, operate, and troubleshoot it. For an introduction to the Extender, see
Chapter 2. The Extender product codes covered in this manual are:
ACU2001A
ACU2009A
ACU2201A
ACUR001A
ACUR002A
ACUR004A
THE SERVSWITCH
ACU2022A
ACU2028A
ACU2222A
ACURA001A
ACURA002A
ACURA004A
FAMILY
1

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  • Page 1 FAMILY Welcome to the ServSwitch™ Family! Thank you for purchasing a BLACK BOX® ServSwitch™ Brand CATx KVM Extender model! We appreciate your business, and we think you’ll appreciate the many ways that your enhanced keyboard/video/mouse system will save you money, time, and effort.
  • Page 2 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Copyrights and Trademarks ©2003. All rights reserved. This information may not be reproduced in any manner without the prior written consent of the manufacturer. Information in this document is subject to change without notice and the manufacturer shall not be liable for any direct, indirect, special, incidental or consequential damages in connection with the use of this material.
  • Page 3 FCC/CDC STATEMENTS FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS 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 B of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment.
  • Page 4 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY EUROPEAN UNION DECLARATION OF CONFORMITY WARNING! This is a class A product. In a domestic environment, this product may cause radio interference, in which case the user might be required to take adequate remedial measures.
  • Page 5 NOM STATEMENT NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser respetadas.
  • Page 6 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY 14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante. 15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas de energia. 16. El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo.
  • Page 7 SAFETY PRECAUTIONS AND INSTALLATION GUIDELINES Safety Precautions and Installation Guidelines To ensure reliable and safe long-term operation please note the following installation guidelines: • Do not use to link between buildings. • Only use in dry, indoor environments. • If the building has 3-phase AC power, try to ensure that equipment connected to the Local and Remote units is on the same phase.

  • Page 8: Table Of Contents

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Contents 1. Quick Setup Command Summary 2. Overview Introduction Glossary Features Product Range Compatibility How to Use This Guide 3. Installation Package Contents Interconnection Cable Requirements Remote Unit Installation Local Unit Installation Connection to Rackmount Hub Local Units 4.
  • Page 9 CONTENTS Appendix A: Example Applications Appendix B: Rack Mount Options Appendix C: Remote Unit: Flash Upgrading & External Configuration Appendix D: Advanced Cabling Issues (Skew) Appendix E: Audio/Serial Ports Appendix F: Calling Black Box Appendix G: Specifications...

  • Page 10: Quick Setup

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Quick Setup This section briefly describes how to install your KVM extender system and optimize the video signals. Unless you are an experienced user, we recommend that you follow the full procedures described in the rest of this manual. Refer to the command summary on the next page when following this procedure.

  • Page 11: Command Summary

    QUICK SETUP Command Summary The following table summarizes the ‘hot’ key command sequences used in system configuration and video tuning on a Remote unit console. Command Mode <Left Control> + <Left Shift> + <F10> Enter Command Mode Exit Command Mode & Save <ESC>...

  • Page 12: Overview

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Overview Introduction The ServSwitch Brand CATx KVM Extender Series enables high-resolution video, PS/2 keyboard and mouse, stereo audio, and serial port signals to be communicated up to 1000ft (300m) over Category 5, 5e, 6 or higher (CATx) cable. A basic KVM extension system comprises a Local unit (transmitter) and a Remote unit (receiver).
  • Page 13 OVERVIEW Local Access LOCAL unit ACU2009A, ACU2028A only. KVM extension over CATx cables up to 1000ft (300m). REMOTE unit Dual Video Support Serial and Audio ACU2201A, ACU2222A Transmission ACUR002A, ACURA002A only ACU2022A, ACU2028A Quad Video Support ACU2222A, ACURA001A ACURA002A, ACURA004A ACUR004A, ACURA004A only only...

  • Page 14: Features

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Features All members of the ServSwitch Brand CATx KVM Extender Series offer the following features: • Support for high video resolution over extended distances: 1600x1200@60Hz over 650ft (200m) 1280x1024@75Hz over 1000ft (300m) • Fully integrated skew compensation allows operation with CATx cables by canceling color shift and enhancing sharpness.

  • Page 15: Product Range

    OVERVIEW Product Range There are twelve products in the range: Single Video Channel Kits (Standard) ACU2001A Single Video Channel, PS/2 KB & Mouse Local Unit + Remote Unit (Single Access) ACU2009A Single Video Channel, PS/2 KB & Mouse Local Unit + Remote Unit (Dual Access) Single Video Channel Kits (Audio) ACU2022A Single Video Channel, PS/2, Serial, Stereo Audio...

  • Page 16: Compatibility

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Compatibility Interface Compatibility • PS/2 Keyboard: Compatible with all standard keyboards. Certain keyboards with enhanced features may also be supported with custom firmware. • PS/2 Mouse: Compatible with all standard 2-button, 3-button and wheel mice. To connect to a PC which does not have a PS/2 mouse port, an active serial converter is required –...

  • Page 17: How To Use This Guide

    OVERVIEW How to Use This Guide This guide describes the installation and configuration of the ServSwitch Brand CATx KVM Extender Series. Although the connection and operation of the system is relatively straightforward, you should consider the following before getting started: Connection &...

  • Page 18: Installation

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Installation For first-time users, we recommend that you carry out a test placement, confined to a single room, before commencing full installation. This will allow you to identify and solve any cabling problems, and experiment with the KVM extender system more conveniently. Package Contents You should receive the following items in your extender package.

  • Page 19: Interconnection Cable Requirements

    INSTALLATION Interconnection Cable Requirements To connect the Local and Remote units you will need CATx (any category 5, 5e, 6 or higher) cable terminated with RJ45 plugs. Interconnect cables must be solid-core type. Stranded patch cable will give poor results over longer distances.

  • Page 20: Remote Unit Installation

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Remote Unit Installation To install a Remote unit: Switch off all devices. Connect your keyboard, monitor(s) and mouse to the Remote unit as shown in Figure 2 (single and dual head units) or Figure 4 (quad head units). These ports may also be attached to the CPU side of a KVM switch in order to have a Remote CPU.
  • Page 21 INSTALLATION ACURA001A, ACURA002A, ACU2022A, ACU2028A, ACU2222A only Connect to speakers and Connect to serial device, such as microphone. a touch screen. Connect to second monitor. Connect to Connect PS/2 Primary monitor. keyboard and mouse. ACUR002A, ACURA002A, All Remote units ACU2201A, ACU2222A only Figure 2 Single/Dual Head Remote Unit –...
  • Page 22 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY ACURA004A only Connect to serial device, Connect to speakers and for example, a touch screen. microphone. Connect to third Connect to Connect to Connect PS/2 Connect and fourth second primary keyboard and approved 9V monitors.

  • Page 23: Local Unit Installation

    INSTALLATION Local Unit Installation To install a Local unit: It is recommended that the PC and other devices are switched off before connection. Using the supplied CPU KVM cable(s), connect the keyboard, monitor(s) and mouse connectors on the computer (or KVM switch) to the corresponding connectors on the Local unit as shown in Figure 6 for single video units, or Figure 7 for dual video units.
  • Page 24 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY ACU2028A and ACU2022A only Connect to audio ports on Connect to serial port on computer. computer. Connect to Connect to computer’s computer’s PS/2 keyboard and video output. mouse ports. Connect to Local Connect to Local monitor.
  • Page 25 INSTALLATION ACU2001A, ACU2022A, ACU2009A, ACU2028A only INTERCONNECT – carries video and data signals. Connect to CATx cable from INTERCONNECT port on Remote unit. Figure 8 Local Unit (Single Video) – front view ACU2201A and ACU2222A only INTERCONNECT 1 – carries primary INTERCONNECT 2 –...

  • Page 26: Connection To Rackmount Hub Local Units

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Connection to Rackmount Hub Local Units Remote units are compatible with CAT5 KVM Extender Local Hubs belonging to the same family: Remote Units Compatible Local Rack Hubs ACUR001A, ACUR002A, ACU1006RA, ACU1006DRA, ACU1012RA ACUR004A ACURA001A, ACURA002A, ACU1006VRA, ACU1006DVRA ACURA004A You can use Rack Extender Hubs in a number of ways:...
  • Page 27 INSTALLATION Figure 10 Simple system using ACU1006RA hub and ACUR001A Remote units...
  • Page 28 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY 5V PSU Figure 11 ACU1006RA rack used with ACUR002A units to extend dual video...

  • Page 29: Remote Unit Configuration & Operation

    REMOTE UNIT CONFIGURATION & OPERATION Remote Unit Configuration & Operation Cat5/5e/6 cables are specifically designed for networking applications and not for transmitting analog video. Your CATx KVM extender includes, and requires, advanced technology to enable its use at high screen resolutions. This section describes how to optimize the video signal, configure the Extender system and operate the Remote unit.

  • Page 30: Video Adjustments

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Video Adjustments Remote units feature a number of correction tools to simplify video optimization. This procedure is straightforward and only needs to be carried out once. For each video channel, the Remote unit allows you to optimize independently: •...

  • Page 31: Command Mode

    REMOTE UNIT CONFIGURATION & OPERATION Command Mode During normal use, the Remote console keyboard functions in the usual manner. However, by using a specific ‘hot’ key sequence, you can set the keyboard into a Command Mode. From this, you can use various keys and key combinations to tune the video signal and generally configure the extender system.

  • Page 32: Adjusting Video

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Adjusting Video Use the following step-by-step procedure to optimize the video image on the Remote console: If possible, view the online test card at: http://www.blackbox.com/tech_support/ts_upgrades/ts_ss.html This is an image (see Figure 12) created and used by the manufacturer for video optimization purposes.
  • Page 33 REMOTE UNIT CONFIGURATION & OPERATION Select the video channel you want to configure using one of the following keys (not on the numeric keypad): Channel Command Select Channel 1 For Adjustment <1> <2> Select Channel 2 For Adjustment <3> Select Channel 3 For Adjustment <4>...
  • Page 34 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY LF too low LF too high HF too low HF too high Figure 13 Problems with smearing and sharpness requiring LF and HF adjustment Identify the ‘slowest’ color – the colored line furthest to the right. Delay the signals of the two other colors using the following commands: Delay Command Key Sequence...
  • Page 35 REMOTE UNIT CONFIGURATION & OPERATION Slower In this illustration, Blue is the slowest signal. To optimize the Green image, Red and Green need to be delayed until they align with Blue. Blue Faster Figure 14 Illustration of skew and appearance on test card Some Cat5e/Cat6 cables require a large green delay.
  • Page 36 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Fine-tune the LF equalization to remove ‘black video smearing’ - black smears to the right of large objects such as window title bars (see Figure 13). LF Equalization Commands Key Sequence <L> + <Up Arrow> Increase LF Equalization (Coarse) <L>...

  • Page 37: Other Remote Configuration & Operation Options

    REMOTE UNIT CONFIGURATION & OPERATION Other Remote Configuration & Operation Options Reset Commands The ServSwitch Brand CATx KVM Extender Series has a number of commands to reset the keyboard and mouse, to reset EQ and Delay values and to restore the factory default configuration.
  • Page 38 Command Mode. This command only applies to operation with Local units (standalone and rack) that have firmware versions ‘S50’ and above. The firmware-revision level is printed on the base of the Extender unit (see Appendix F: Calling Black Box, page 61).
  • Page 39 REMOTE UNIT CONFIGURATION & OPERATION Local Unit Configuration Commands On dual access systems, a Local console user can lock out the Remote console (see Local Console Commands, page 42). There are two commands for configuring this feature from the Remote console: Command Key Sequence Local Unit Initial Hot Key...

  • Page 40: Local Unit Operation

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Local Unit Operation Overview You need to read this section if you have purchased an extender system kit containing both a Local and Remote unit. For more information about serial/audio port operation, see Appendix E: Audio/Serial Ports, page 59.

  • Page 41: Dual Access Systems

    LOCAL UNIT OPERATION Dual Access Systems ACU2009A and ACU2028A models offer dual access from consoles at both Remote and Local units. This operates on a first-come, first-served basis. When one console is in use, the system blocks out the other console until there is no keyboard or mouse use at the active console for two seconds.
  • Page 42 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Local Console Commands After pressing the initial ‘hot’ key on the Local keyboard, you can issue a number of commands by pressing additional keys. These commands allow you to start a private mode session on the Local console or to reset the keyboard and mouse. These commands only apply to Local units and Rack hubs having firmware versions ‘S50’...

  • Page 43: Troubleshooting

    TROUBLESHOOTING Troubleshooting Video The image is not sharp, or is badly smeared. Have you adjusted the video equalization? Follow the instructions on page 30. Check the Interconnect cable between the Remote and Local units. Is it of the recommended type (see page 19)? Is it intact along its entire length and securely connected at both ends? Is it wired correctly (see page 57)? Ensure that all video connections throughout the system are attached securely.
  • Page 44 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY The monitor sometimes goes blank for a second or two. Check that the interconnect cable is not routed near power lines or other sources of electrical interference. If this is a persistent problem, contact Technical Support. Check system grounding.

  • Page 45: Keyboard & Mouse

    TROUBLESHOOTING Keyboard & Mouse When I am typing, I get wrong or missing characters on the screen. Your keyboard may be in the wrong mode. Use the appropriate commands to reset the keyboard and mouse as described in the sections covering Local and Remote operation.

  • Page 46: Audio

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Audio The audio is very quiet. The audio I/O is line-level and requires amplified speakers and connection to devices providing line-level I/O. The audio is loud but distorted. Check that the audio input is not greater than line level (4V peak-to-peak). The KVM extender accepts line-level audio input only.

  • Page 47: General Questions

    TROUBLESHOOTING General Questions Is it possible to use a cable length longer than 1000ft (300m)? It might be possible to use a cable of up to 1650ft (500m) at lower resolutions. However, we do not recommend this and cannot guarantee that it will work. Can the extender be daisy chained? In certain circumstances, it is possible to cascade extenders, though we do not recommend doing so.

  • Page 48: Appendix A: Example Applications

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Appendix A: Example Applications This section illustrates four specific applications using Extender units: • Six dual-monitor consoles with serial and audio (Figure 15). • Six remote serial touch screens with Local access through a KVM switch (Figure 16). •...
  • Page 49 APPENDIX A: EXAMPLE APPLICATIONS ACU1006VRA Extender Hub Takes primary video, keyboard, mouse, audio and serial signals from each CPU (only two shown). 5V PSU ACU1006RA Extender Hub Takes secondary video from each CPU. 5V PSU required. ACURA002A Remote units connect to KVM console and secondary monitor.
  • Page 50 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY ServSwitch Local access ports connect to single KVM console through a ServSwitch brand KVM switch. ACU1006DVRA Extender Hub Takes KVM and serial signals from each CPU (only two shown). ACURA002A Remote units connect to touch screens. Figure 16 Touch screen network with local access to CPU through KVM switch...
  • Page 51 APPENDIX A: EXAMPLE APPLICATIONS ACU1006DRA Extender Hub CPU connects to Port 1. Local access ports are daisy-chained to allow operation from any console and/or video to be distributed to multiple locations. ACUR001A Remote units connect to KVM consoles. Figure 17 Information distribution system sharing a single PC...
  • Page 52 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Security System Provides secondary video input. ACU2201A Takes KVM signals from standard PC and secondary video from security system. ACUR002A Connects to KVM console. Secondary monitor used for security monitoring. Figure 18 Extender system with second screen for security monitoring...

  • Page 53: Appendix B: Rack Mount Options

    APPENDIX B: RACK MOUNT OPTIONS Appendix B: Rack Mount Options Most of the extender units can be mounted in a 19” rack using one of the two mounting kits: • RMK19U-X3 • RMK19U-R2 RMK19U-X3 Mounting Kit RMK19U-X3 allows you to mount up to three of the following units across 1U: Remote Units: ACU2001A ACU2009A...
  • Page 54 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY RMK19U-R2 Mounting Kit RMK19U-R2 allows you to mount one of the following Local units across 1U: • ACU2001A • ACU2022A • ACU2009A • ACU2028A The kit consists of two angled brackets. To mount a unit: Remove the two screws from one side of the unit.

  • Page 55: Appendix C: Remote Unit: Flash Upgrading & External Configuration

    APPENDIX C: REMOTE UNIT: FLASH UPGRADING Appendix C: Remote Unit: Flash Upgrading & External Configuration The Remote unit contains a configuration port accessed through the mouse port. By attaching an upgrade cable between this port and the serial port on any PC (or laptop) the Remote unit’s firmware may be upgraded.

  • Page 56: Appendix D: Advanced Cabling Issues (Skew)

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Appendix D: Advanced Cabling Issues (Skew) The suggestions made in this Appendix should only be investigated if you cannot obtain satisfactory image quality after configuring the Remote unit (as described in Section 4). The techniques described here are usually only necessary when you are operating at the highest screen resolution (1600x1200) with long Interconnect cables.
  • Page 57 APPENDIX D: ADVANCED CABLING ISSUES (SKEW) Cable Pinning/Pairing The following table illustrates which RJ45 connector pins the extenders use for various signals. It also details the standard EIA-568B wiring scheme that is recommended for most installations. Looking into the RJ45 socket on a Remote unit, Pin 1 is on the right and Pin 8 on the left. Color Signal (EIA-568B)
  • Page 58 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Optimizing Pairs (General Solution) Measure pair lengths with a LAN cabling tester (TDR) or view pairs by stripping back a small piece of cable and viewing how tightly pairs are twisted. The most tightly twisted pair is the slowest (longest) and the loosest pair the fastest (shortest).

  • Page 59: Appendix E: Audio/Serial Ports

    APPENDIX E: AUDIO/SERIAL PORTS Appendix E: Audio/Serial Ports Operation & Multi-Port Configuration This appendix describes audio & serial interface operation for those models that have this feature: • ACU2022A • ACU2028A • ACU2222A • ACURA001A • ACURA002A • ACURA004A These extender products contain daughter boards that allow bi-directional stereo audio and a full-duplex serial data link to be sent across the CATx interconnection cable in addition to PS/2 keyboard, mouse and video.
  • Page 60 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Audio Interface - Set Up and Operation The audio interface is line-level and is designed to take the output from a sound card (or other line-level) source and be connected to a set of powered speakers at the other end of the link. Stereo audio may be transmitted either way across the link (simultaneously).

  • Page 61: Appendix F: Calling Black Box

    If you are shipping it for repair, please include 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 62: Appendix G: Specifications

    SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Appendix G: Specifications Video Maximum Resolution 1600x1200@60Hz over 650ft (200m) 1280x1024@75Hz over 1000ft (300m) Operation at higher resolutions/refresh rates may be possible at shorter distances Video Compatibility VGA to UXGA, RGB Video I/O 0.7V P-P Skew Compensation 15-stage.
  • Page 63 APPENDIX G: SPECIFICATIONS Serial Interface Max Baud Rate Supported 19.2K Baud Serial Data Format Transparent Signals Transferred TX, RX, RTS, CTS, DTR, DSR Local Unit Connector DB9 Female (DCE) Remote Unit Connector DB9 Male (DTE) Audio Interface Description Bi-directional stereo audio link Transmission method Digitized virtually CD quality audio (16-bit, 38.4kHz) Signal levels...
  • Page 64 SERVSWITCH BRAND CATX KVM EXTENDER FAMILY Size and Shipping Weight ACUR001A, ACUR002A Remote Unit: 5.5”x5.7”x1.1” (140x145x29mm) Shipping Weight: 2.7lb (1.2kg) ACURA001A, ACURA002A Remote Unit: 5.5”x5.7”x1.7” (140x145x44mm) (1U) Shipping Weight: 2.9lb (1.3kg) ACUR004A, ACURA004A Remote Unit: 10.8”x5.7”x1.1” (275x145x29mm) Shipping Weight: 3.8lb (1.7 Kg) ACU2201A Local Unit: 4.3”x5.7”x1.1”...
  • Page 65 NOTES...
  • Page 66 NOTES...

This manual is also suitable for:

Servswitch acu2022aServswitch acu2009aServswitch acu2028aServswitch acu2201aServswitch acu2222aServswitch acur001a ... Show all

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