Black Box ACS253A-CT Manual

Black Box AV forlænger ACS253A-CT

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Chapter

ACS253A-CT

Extend analog VGA or digital DVI video signals

over CAT5, CAT5e, or CAT6 UTP or multimode or

single-mode fiber cable.

ServSwitch™ KVM Extender DVI/VGA

Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)

FREE technical 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 Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: info@blackbox.com

Customer

Support

Information

ACS253A-CT ACS253A-U-MM-R2

ACS253A-MM ACS253A-U-SM-R2

ACS253A-SM

724-746-5500 | blackbox.com ACS253A-CT

Page 2

Trademarks Used in this Manual

We‘re here to help! If you have any questions about your application

or our products, contact Black Box Tech Support at 724-746-5500

or go to blackbox.com and click on “Talk to Black Box.”

You’ll be live with one of our technical experts in less than 20 seconds.

We‘re here to help! If you have any questions about your application

or our products, contact Black Box Tech Support at 724-746-5500

or go to blackbox.com and click on “Talk to Black Box.”

You’ll be live with one of our technical experts in less than 30 seconds.

Trademarks Used in this Manual

Black Box and the Double Diamond logo are registered trademarks of BB Technologies, Inc.

Mac is a registered trademark of Apple Computer, Inc.

Sun is a registered trademark of Oracle Corporation.

Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

ACS253A-CT

FCC and IC RFI Statements

Page 3

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 inter ference 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. Operation of this equipment in a residential area is likely to cause interference, in which case the user at his own

expense will be required to take whatever measures may be necessary to correct the interference.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to

operate the equipment.

This digital apparatus does not exceed the Class A limits for radio noise emis sion from digital apparatus set out in the Radio

Interference Regulation of Industry Canada.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de

la classe A prescrites dans le Règlement sur le brouillage radioélectrique publié par Industrie Canada.

ACS253A-CT

Safety Precautions and Installation Guidelines

Page 5

Safety Precautions and Installation Guidelines

To ensure reliable and safe long-term operation, please note the following installation guidelines:

• Do not use CATx devices to link between buildings—use fiber devices.

• Only use in dry, indoor environments.

• If the building has three-phase AC power, try to ensure that equipment connected to the Local and Remote units is on the

same phase.

• Try not to route a CATx link cable alongside power cables.

• Ensure that the system connected to the Local unit is connected to power ground.

• Ensure that the monitor connected to the Remote unit is connected to power ground and does not use an isolated power

supply.

• The Remote unit, Local unit, and any power supplies can get warm. Do not locate them in an enclosed space without any

airflow.

• Do not place a power supply directly on top of a unit.

• Do not obstruct a unit’s ventilation holes.

CAUTION: To safeguard against personal injury and avoid possible damage to equipment or property, please observe the

following:

• Only use power supplies originally supplied with the product or manufacturer-approved replacements. Do not attempt to

dismantle or repair any power supply. Do not use a power supply if it appears to be defective or has a damaged case.

• Connect all power supplies to grounded outlets. In each case, ensure that the ground connection is maintained from the outlet

socket through to the power supply’s AC power input.

• Do not attempt to modify or repair this product, or make a connection from the CATx link interface (RJ-45) or the fiber link

interface (SC duplex) to any other products, especially telecommunications or network equipment.

These are Class 1 Laser products. Multimode transmitters comply with IEC 825-1 and FD 21 CFR 1040.10 and 1040.11.

Single-mode transmitters comply with IEC 60825-1 and FDA 21 CFR 1040.10 and 1040.11. To meet laser safety requirements, the

transmitters shall be operated within the absolute maximum ratings.

CAUTION: The use of optical instruments with this product may cause an eye hazard. All adjustments have been made at the

factory prior to shipment of the device. No maintenance or alteration to the device is required.

CAUTION: Tampering with or modifying the performance of the device will result in voided product warranty.

Usage Restrictions

Optical ports must be terminated with an optical connector or with a dust plug. Failure to adhere to the above restrictions could

result in a modification that is considered an act of “manufacturing” and will require, under law, recertification of the modified

product with the U.S. Food and Drug Administration (ref. 21 CFR 1040.10(i)).

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Table of Contents

Quick Setup ................................................................................................................................................................................7

QS1. Video Input/Output .........................................................................................................................................................................8

QS2. Local Video Output .........................................................................................................................................................................8

QS3. Command Summary ........................................................................................................................................................................8

1. Specifications ..............................................................................................................................................................................10

2. Overview .............................................................................................................................................................................. 11

2.1 Introduction ........................................................................................................................................................................ 11

2.2 Terms Used in this Guide ..................................................................................................................................................... 11

2.3 Features .............................................................................................................................................................................. 11

2.4 Available Models ................................................................................................................................................................. 12

2.5 What’s Included .................................................................................................................................................................. 12

2.6 Hardware Description .......................................................................................................................................................... 13

2.6.1 Front Panel, All Models (ACS253A-CT, ACS253A-MM, ACS253A-SM, ACS253A-U-MM-R2, ACS253A-U-SM-R2) .. 13

2.6.2 ServSwitch KVM Extender DVI/VGA, PS/2 Dual Access, CATx (ACS253A-CT) Remote and Local Unit Back Panels .. 14

2.6.3 ServSwitch KVM Extender DVI/VGA, PS/2 Dual Access, Fiber (ACS253A-MM and ACS253A-SM) ) Remote and

Local Unit Back Panels ............................................................................................................................................ 16

2.6.4 ServSwitch KVM Extender DVI/VGA, USB Dual Access, Fiber (ACS253A-U-MM-R2 and ACS253A-U-SM-R2) )

Remote and Local Unit Back Panels ......................................................................................................................... 18

2.7 Compatibility ....................................................................................................................................................................... 20

2.8 Typical Application .............................................................................................................................................................. 20

2.9 How to Use This Guide ........................................................................................................................................................21

3. Installation .............................................................................................................................................................................. 22

3.1 Interconnection Cable Requirements ................................................................................................................................... 22

3.2 System Setup....................................................................................................................................................................... 22

3.3 Diagnostic LEDs ................................................................................................................................................................... 23

3.4 Access Switching ................................................................................................................................................................. 24

3.5 Private Mode .......................................................................................................................................................................24

4. Device Control .............................................................................................................................................................................. 25

4.1 Opening the OSD ................................................................................................................................................................ 25

4.2 Using the OSD .....................................................................................................................................................................27

5. Monitor Setup ..............................................................................................................................................................................35

6. Extender Setup .............................................................................................................................................................................. 36

6.1 Overview ............................................................................................................................................................................. 36

6.2 Setup Instructions for VGA Input .........................................................................................................................................36

7. Troubleshooting ............................................................................................................................................................................. 38

7.1 Video .............................................................................................................................................................................. 38

7.2 Keyboard and Mouse ..........................................................................................................................................................39

7.3 Contacting Black Box...........................................................................................................................................................39

7.4 Shipping and Packaging ......................................................................................................................................................39

Appendix A. Example Applications ........................................................................................................................................................40

Appendix B. Rackmount Options ...........................................................................................................................................................42

Appendix C. System Upgrade and Dual Access ......................................................................................................................................44

Appendix D. Video Modes and Frame Rates ...........................................................................................................................................45

Appendix E. USB—High Power/Low Power ............................................................................................................................................47

Appendix F. Audio/Serial Upgrade .........................................................................................................................................................48

Appendix G: Connectors and Cables ..................................................................................................................................................... 49

G.1 Extender Connector Pinouts ................................................................................................................................................ 49

G.2 Adapter Cables....................................................................................................................................................................52

Page 7

ACS253A-CT

Quick Setup Guide

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 in Chapter 4 when following this procedure.

Figure QS-1. Quick Setup Instructions

Carry out the Monitor Setup

procedure (see its manual and

Chapter 5 in this manual).

Carry out the VGA Input Setup procedure

(see Section 6.2 in this manual).

Install system

1. Connect remote unit to KVM.

2. Connect local unit to CPU or switch.

3. Connect local and remote units with matching interconnection cable

(CATx, multimode, or single-mode fiber).

4. Power up the system.

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Quick Setup Guide

QS1. Video Input/Output

If possible, always use the DVI output from your computer’s video card and DVI input to a monitor. This provides the optimum

video signal. If you use a VGA output from your graphics source, the ACS253A local unit must digitize the signal prior to

transmission. Similarly, if your remote TFT screen uses a VGA input, it must digitize the signal from the remote unit.

In both cases, the built-in video processors must determine the resolution and pixel phase for an optimized digitization. Your DVI

Extender enables you to optimize the video signal manually or automatically using its on-screen utility (see Chapter 4). If you are

using a VGA input to a TFT monitor, please follow the manufacturer’s instructions.

You may have several possible options for video source output/monitor input. If this is the case, for the optimum video quality,

please select the highest-ranked available combination from the following table:

Table QS-1. Video Input and Output

Video Quality Local Unit Input Remote Unit Output

1 (high) DVI

DVI

2 DVI VGA

3 VGA DVI

4 (low) VGA VGA

QS2. Local Video Output

IMPORTANT: The local Video Out always carries the same signal your graphics card generates—this is opposite of the remote

out. The local unit does provide any signal translation for the local output.

This means, if you connect the local unit to a VGA graphics card, the local Video Out will alway carry VGA

signals, whether you connect a VGA or DVI screen to the remote unit. And the reverse is true: if you connect

the local unit to a DVI graphics card, the local Video Out will always carry DVI signals, whether you connect a

VGA or DVI screen to the remote unit.

The following table shows all possible input/output combinations:

Table QS-2. Local Video Output

Video Quality Local Unit Input Remote Unit Output

DVI DVI

DVI

DVI DVI VGA

VGA VGA DVI

VGA VGA VGA

QS3. Command Summary

The following table summarizes the hotkey command sequences used in system configuration and video tuning on a remote unit

console.

Page 9

ACS253A-CT

Quick Setup Guide

Table QS-3. Command Summary

Command Keyboard at Remote Unit

Terminal or Windows Utility

Program*

Enter OSD <Left Control> + <Left Shift> + <I>

Exit OSD <ESC> <X>

Select next position <Right Arrow> <R>

Select previous position <Left Arrow> <L>

Select submenu <Enter> <S>

Select parameter modification < Enter > <S>

Increase parameter <Right Arrow> <R>

Decrease parameter <Left Arrow> <L>

Accept and store modified parameter <Enter> <S>

Back to the menu selection

* Commands are not case sensitive.

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Chapter 1: Specifications

1. Specifications

Chassis — Each unit: Metal case

Compatibility — ACS253A-CT, ACS253A-MM, ACS253A-SM: Keyboard/mouse: PS/2; Video: VGA, DVI;

ACS253A-U-MM-R2, ACS253A-U-SM-R2: Keyboard/mouse: USB; Video: VGA, DVI

Video Compatibility — ACS253A-U-MM-R2, ACS253A-U-SM-R2: Analog: VGA to UXGA (separate sync, composite sync,

or sync-on-green;

Digital: DVI

Distance (Maximum) — ACS253A-CT: 328.1 ft. (100 m) over CAT5, CAT5e, or CAT6 cable;

ACS253A-MM, ACS253A-U-MM-R2: 656.1 ft. (200 m) using 62.5-/125-µm cable, 1312.3 ft. (400 m) with 50-/125-µm cable;

ACS253A-SM, AC253A-U-SM-R2: 6.2 mi. (10 km) using 9-/125-µm cable

Resolution (Maximum) — 1600 x 1200 at 60 Hz; lower resolutions operate at 75 Hz

Operating Environment — Temperature: 50 to 113º F (10 to 45º C);

Humidity: 0 to 80% noncondensing

Resolution (Maximum) — 1600 x 1200 at 60 Hz; lower resolutions operate at 75 Hz

Software — ACS253A-CT: Flash ROM for firmware upgrades

Connectors — ACS253A-CT: Local unit: Keyboard: (2) 6-pin mini DIN F;

Mouse: (2) 6-pin mini DIN F;

Monitor: (2) DVI-I F;

Interconnect: (1) RJ-45;

Remote unit: Keyboard: (1) 6-pin mini DIN F;

Mouse: (1) 6-pin mini DIN F;

Monitor: (1) DVI-I F;

Interconnect: (1) RJ-45;

ACS253A-MM, ACS253A-SM: Local unit: Keyboard: (2) 6-pin mini DIN F;

Mouse: (2) 6-pin mini DIN F;

Monitor: (2) DVI-I F;

Interconnect: (1) pair of SC;

Remote unit: Keyboard: (1) 6-pin mini DIN F;

Mouse: (1) 6-pin mini DIN F;

Monitor: (1) DVI-I F;

Interconnect: (1) pair of SC;

ACS253A-U-MM-R2, ACS253A-U-SM-R2: Local unit: USB Port Type B F;

Programming: (1) RJ-22;

Monitor: (1) DVI-I F;

Interconnect: (1) pair of SC;

Remote unit: USB ports: (4) USB Type A F; Programming: (1) RJ-22; Monitor: (1) DVI-I F; Interconnect: (1) pair of SC

Indicators — Each unit: (4) LEDs: Communication Error, Link Status, Device Ready, Video Signal/Mode Detection

Power — 90–240 VAC, 47–63 Hz, external, autosensing, with IEC 320 connector and cord

Size — Each unit: 1.75"H (1U) x 6.7"W x 5.2"D (4.4 x 17 x 13.2 cm)

Weight — Each unit: 2.2 lb. (1 kg)

Page 11

ACS253A-CT

Chapter 2: Overview

2. Overview

2.1 Introduction

The ServSwitch KVM Extender DVI/VGA system consists of a local unit (transmitter) and a remote unit (receiver). The local unit

connects directly to the computer (or a KVM switch system) using the supplied cable(s). The user console (keyboard, mouse and

monitor) attaches to the remote unit. The remote and local units communicate video and data information along the

interconnecting cable (see Figure 2-7). Local units offer dual access, enabling the connection of a second user console close to the

computer.

The ServSwitch KVM Extender DVI/VGA enables high-resolution video, PS/2/USB keyboard and mouse signals to be

communicated up to:

• 300 feet (100 m) over Category 5, 5e, 6 or higher (CATx) cable.

• 1200 feet (400 m) over multimode fiber cable (50/125μ).

• 600 feet (200 m) over multimode fiber cable (62.5/125μ).

• 61⁄

miles (10 km) over single-mode fiber cable (9/125µ).

In a digital applications (DVI input and output), there is no loss of picture quality regardless of extension distance, and no

adjustments are required. The extender also supports traditional analog VGA. All combinations of DVI and VGA (graphics cards

and monitors) are supported, allowing equipment to be mixed. In a mixed analog/digital application, some adjustment of the

video signal is necessary to optimize the analog-digital signal conversions. DVI KVM Extenders are equipped with various auto-

matic and manual video correction tools in the OSD.

2.2 Terms Used in this Guide

The following terms are used in this guide:

CATx: Any Category 5, 5e, 6 or higher cable.

Multimode: Any multimode duplex cable, 50/125µ or 62.5/125µ

Single-mode: Any single-mode duplex cable, 9/125µ

PSU: The desktop power supply connected to the local/remote unit.

KVM: Keyboard, video monitor, and mouse.

Console: A keyboard, monitor, and mouse, plus optional serial/audio devices.

Dual Access: A system allowing connection of local and remote user consoles.

Single Head: An extender system that supports one monitor.

Dual Head: An extender system that supports two monitors.

2.3 Features

All members of the ServSwitch Brand DVI KVM Extender Series offer the following features:

• Support for high video resolution over extended distances: 1600 x 1200 @ 60 Hz over all allowed distances (all lower resolutions

with refresh rates of at least 75 Hz).

• All models come with dual access, to allow local or remote operation (Local DVI access limited to screen resolutions up to 1280

x 1024).

• All control and video tuning carried out using an on screen display (OSD) with settings stored in EEPROM memory.

• Local/remote unit firmware and settings are flash upgradable.

• Intelligent PS/2 keyboard and mouse emulation ensures PCs do not lock up and enables peripherals to be hot-plugged.

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Chapter 2: Overview

• Transparent serial port (on certain models) enables any serial device to be extended (up to 19.2K Baud). The serial port may be

used to extend one device (requiring handshaking lines), or up to three simple serial devices (no handshaking).

• Bidirectional stereo audio (16-bit digitized) support on certain models enables high quality, low-noise audio extension.

• USB support on certain models; connect up to four USB devices directly to the USB hub on the remote unit.

• Status indicator LEDs on each device.

• Small footprint chassis.

• Rackmount options available.

• CPU cables and adapters included.

2.4 Available Models

There are five products in the range and various upgrade kits:

PS2 Style Kits:

• ACS253A-CT DVI Extender Set: PS2 Dual Access, CATx

• ACS253A-MM DVI Extender Set: PS2 Dual Access, Multimode

• ACS253A-SM DVI Extender Set: PS2 Dual Access, Single-mode

USB Style Kits:

• ACS253A-U-MM-R2 DVI Extender Set: USB Dual Access, Multimode

• ACS253A-U-SM-R2 DVI Extender Set: USB Dual Access, Single-mode

Upgrade Kits:

• ACS253A-AS Audio/Serial Upgrade Kit

• ACS253A-TM PS/2 Keyboard/Mouse Upgrade Kit for USB devices

• ACS253A-DVI-CT DVI Upgrade Kit for Additional Video Channel, CATx

• ACS253A-DVI-MM DVI Upgrade Kit for Additional Video Channel, Multimode

• ACS253A-DVI-SM DVI Upgrade Kit for Additional Video Channel, Single-mode

• ACS253A-G2 Double-Width Housing

2.5 What’s Included

You should receive the following items in your extender package (all types):

• Extender local unit

• 6-VDC 12-W universal power supply for local unit

• Extender remote unit

• 6-VDC, 12-W universal power supply for remote unit

• (2) DVI-I to (1) VGA adapters (DVI-I dual link male to HD15 female) connector

• (1) VGA to (1) DVI-I adapter (HD15 male to DVI-I dual link female) connector

• Programming cable (DB9 female to RJ-22 4p4c)

• User manual

• (2) US-type power cords

Page 13

ACS253A-CT

Chapter 2: Overview

All PS/2 models are also supplied with:

• KVM CPU cable 6-foot (1.8-m) with PS/2 (6-pin mini DIN male-to-male) keyboard and mouse connector and DVI-I video (DVI-I

dual link male-to-male) connector

All USB types are also supplied with:

• (1) DVI-I video cable (DVI-I dual link male-to-male)

• (1) USB cable (USB Type A to Type B)

• (1) 5-VDC, 12-W universal power supply for remote unit (only required when connecting two or more high-power USB devices

(see Appendix E).

• (1) U.S.-type power cord (additional)

If anything is missing or damaged, contact Black Box Technical Support at 724-746-5500 or info@blackbox.com.

2.6 Hardware Description

Figures 2-1 through 2-6 illustrate the front and back panels of the ServSwitch KVM Extenders. Tables 2-1 through 2-6 describe

their components.

2.6.1 Front Panel, All Models (ACS253A-CT, ACS253A-MM, ACS253A-SM, ACS253A-U-MM-R2,

ACS253A-U-SM-R2)

The front panels of the ServSwitch local and remote units have the silkscreened product name on the front panel. All connectors,

indicators, buttons, or switches are located on the back panels of the units.

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Chapter 2: Overview

2.6.2 ServSwitch KVM Extender DVI/VGA, PS/2 Dual Access, CATx (ACS253A-CT) Remote and Local

Unit Back Panels

ASC253A-CT Remote Unit Back Panel

1 2 3 4 5

6 7 8 9 10

Figure 2-1. ACS253A-CT remote unit back panel.

Table 2-1. ACS253A-CT remote unit components.

Number Component Description

1 6-pin mini DIN connector Connects to PS/2 mouse

2 6-pin mini DIN connector Connects to PS/2 keyboard

3 Communication Error LED* Flashes to indicate number of communication errors during previous 60 minutes

4 RJ-45 connector Interconnect—carries video and data signals to local unit over CATx cable

5 Link Status LED* On when link connection is locked; flashing when not connected or not functioning

6 RJ-22 connector Used for firmware upgrades

7 DVI-I connector DVI and VGA output—connects to remote console monitor

8 Video Signal LED* (green) On when attached and valid mode detected; off when not attached and detected

9 Device Ready LED* (red) Lights on when device is ready; off when device is not ready

10 4-pin power connector Links to 6-V power supply

*NOTE: For more details about the LED indicators, see Table 3-1 in Section 3.3.

Page 15

ACS253A-CT

Chapter 2: Overview

ASC253A-CT Local Unit Back Panel

12 13 14 15 16 17 18

19 20 21 22 23

Figure 2-2. ACS253A-CT local unit back panel.

Table 2-2. ACS253A-CT local unit components.

Number Component Description

11 Video Signal LED* (green) On when attached and valid mode detected; off when not attached and detected

12 Communcation Error LED* Flashes to indicate number of communication errors during previous 60 minutes

13 RJ-45 connector Interconnect—carries video and data signals to remote unit over CATx cable

14 Link Status LED* On when link connection is locked; flashing when not connected or not functioning

15 6-pin mini DIN connector Connects to local console mouse

16 6-pin mini DIN connector Connects to local console keyboard

17 6-pin mini DIN connector Connects to CPU’s mouse

18 6-pin mini DIN connector Connects to CPU’s keyboard

19 4-pin connector Connects to 6-V power supply

20 Device Ready LED* (red) Lights on when device is ready; off when device is not ready

21 DVI-I connector Out Connects to local conosle monitor

22 DVI-I connector In Connects to CPU video card output

23 RJ-22 connector Programming connector for firmware upgrades

*NOTE: For more details about the LED indicators, see Table 3-2 in Section 3.3.

Page 17

ACS253A-CT

Chapter 2: Overview

ASC253A-MM or ACS253A-SM Local Unit Back Panel

12 13 14 15 16 17 18

19 20 21 22 23

Figure 2-4. ACS253A-xM local unit back panel.

Table 2-4. ACS253A-MM and ACS253A-SM local unit components.

Number Component Description

11 Video Signal LED* (green) On when attached and valid mode detected; off when not attached and detected

12 Communcation Error LED* Flashes to indicate number of communication errors during previous 60 minutes

13 (2) SC connectors Interconnect—carries video and data signals to local unit over multimode (ACS253A-MM)

or single-mode (ACS253A-SM) cable

14 Link Status LED* On when link connection is locked; flashing when not connected or not functioning

15 6-pin mini DIN connector Connects to local console mouse

16 6-pin mini DIN connector Connects to local console keyboard

17 6-pin mini DIN connector Connects to CPU’s mouse

18 6-pin mini DIN connector Connects to CPU’s keyboard

19 4-pin connector Connects to 6-V power supply

20 Device Ready LED* (red) Lights on when device is ready; off when device is not ready

21 DVI-I connector Out Connects to local conosle monitor

22 DVI-I connector In Connects to CPU video card output

23 RJ-22 connector Programming connector for firmware upgrades

*NOTE: For more details about the LED indicators, see Table 3-2 in Section 3.3.

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Chapter 2: Overview

2.6.4 ServSwitch KVM Extender DVI/VGA, USB Dual Access, Fiber (ACS253A-U-MM-R2 and

ACS253A-U-SM-R2) Remote and Local Unit Back Panels

ASC253A-U-MM-R2 or ACS253A-U-SM-R2 Remote Unit Back Panel

1 2 3 4 5 6

7 8 9 10 11

Figure 2-5. ACS253A-U-xM-R2 remote unit back panel.

Table 2-5. ACS253A-U-MM-R2 and ACS253A-U-SM-R2 remote unit components.

Number Component Description

1 (2) USB Type A connectors Connect to USB keyboard/mouse or peripheral

2 (2) USB Type A connectors Connect to USB keyboard/mouse or peripheral

3 USB power LED Lights when there is power to the USB port(s)

4 Communication Error LED* Flashes to indicate the number of communication errors during previous 60 minutes

5 (2) SC connectors Interconnect—carries video and data signals to local unit over multimode (ACS253A-

U-MM-R2) or single-mode (ACS253A-U-SM-R2) cable

6 Link Status LED* On when link connection is locked; flashing when not connected or not functioning

7 RJ-22 connector Used for firmware upgrades

8 DVI-I connector DVI pr VGA output—connects to remote console monitor

9 Video Signal LED* (green) On when attached and valid mode detected; off when not attached and detected

10 Device Ready LED* (red) Lights on when device is ready; off when device is not ready

11 4-pin power connector Links to 6-V power supply

*NOTE: For more details about the LED indicators, see Table 3-1 in Section 3.3.

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ACS253A-CT

Chapter 2: Overview

ASC253A-U-MM-R2 or ACS253A-U-SM-R2 Local Unit Back Panel

12 13 14 15

16 17 18 19 20

Figure 2-6. ACS253A-U-xM-R2 local unit back panel.

Table 2-6. ACS253A-U-MM-R2 and ACS253A-U-SM-R2

local unit components.

Number Component Description

11 Video Signal LED* (green) On when attached and valid mode detected; off when not attached and detected

12 Communcation Error LED* Flashes to indicate number of communication errors during previous 60 minutes

13 (2) SC connectors Interconnect—carries video and data signals to remote unit over multimode (ACS253A-U-MM-R2)

or single-mode (ACS253A-U-SM-R2) cable

14 Link Status LED* On when link connection is locked; flashing when not connected or not functioning

15 (1) USB Type A connector Connects to local console keyboard/mouse

16 4-pin connector Connects to 6-V power supply

17 Device Ready LED* (red) Lights on when device is ready; off when device is not ready

18 DVI-I connector Out Connects to local console monitor

19 DVI-I connector In Connects to CPU video card output

20 RJ-22 connector Programming connector for firmware upgrades

*NOTE: For more details about the LED indicators, see Table 3-2 in Section 3.3.

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Chapter 2: Overview

2.7 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.

• Audio: Input and output are line-level. Amplified speakers are required. A microphone may be directly connected to the Remote

unit (optional pre-amplification).

• Serial: Transparent up to 19.2K Baud. The following serial signals are extended: TX, RX, RTS, CTS, DTR, DSR. In rare cases, a

wiring adapter may be required to transfer RI and DCD.

• USB: compatible to USB 2.0 (Full Speed). Transmission fully transparent. Some USB CD-ROM or DVD burning devices may not

work properly because of reduced speed.

• Analog Video: VGA to UXGA. Separate sync, composite sync, or sync-on-green. Maximum resolution and refresh rates depend

on cable length and cable type (see Chapter 1, Specifications).

• Digital Video: DVI single link for resolution up to 1600 x 1200 at 60 Hz. Frame rates and colors depend on device type (CATx or

Fiber—see Appendix D: Video Modes and Frame Rates).

2.8 Typical Application

Local Access

Local unit

Remote unit

USB extension options

(USB models only)

KVM extension over

CATx or fiber optic

cables

Figure 2-7. KVM extender system

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ACS253A-CT

Chapter 2: Overview

2.9 How to Use This Guide

Connection and Compatibility

The Extender Kit contains all the cables required to connect the local unit to your PC or KVM switch. The remote console

(keyboard, monitor and mouse) and any audio and serial equipment connects directly to the remote unit.

For information about connection and installation, see Chapter 3.

Interconnection Cable

For ACS253A-CT Extenders, you will need CATx (any Category 5, 5e, 6, or higher) cable, terminated with RJ-45 plugs, to connect

the local and remote units. Other units require single-mode or multimode fibers (see Section 3.1, Interconnection Cable

Requirements).

Adjusting Video

Because the transmitted signals are digital, there is no distortion of video signals or skew problem even with CATx interconnection

cables.

If you do not have a DVI source and a DVI monitor, you will need to adjust the monitor and/or the Extender to the picture width

and the pixel phase. You can do this using the Auto Adjust or Manual Adjust procedures (see Chapter 4).

• For experienced users, see the Quick Setup section at the start of this guide.

• For the full procedure, see Chapters 5 and 6.

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ACS253A-CT

Chapter 3: Installation

3.3 Diagnostic LEDs

Each extender unit is fitted with four indicator LEDs: Communication Error, Link Status, Device Ready and Video Signal. The

Indicator LEDs are located in the same positions on all models in the ACS253A range. The Communication Error and Link Status

LEDs are to the left and right, respectively, of the Interconnect sockets. The Device Ready and Video Signal LEDs are next to the

Power socket.

As an example, the location of the LEDs is shown in Figure 3-1 and Tables 3-1 and 3-2 for ACS253A-CT Remote and Local units:

See also Chapter 2: Figures 2-1 through 2-6.

1 2 5 6

3 4 7 8

Figure 3-1. LEDs on the remote unit.

Table 3-1. ACS253A remote unit LEDs.

Number Component Appearance Description

1 Communication Error LED

Off No communication errors for more than 60 minutes

Flashing

Indicates number of communication errors during previous 60 minutes.

For ACS253A-CT: For ACS253A-xM and ACS253-U-xM-R2:

Slow: 10-100 (CATx) 1-2 (Fiber)

Medium: 100-1000 (CATx) 3-10 (Fiber)

Fast: 1000 (CATx) 10 (Fiber)

NOTE: The error counter is cleared automatically 60 minutes after the previous

communication error.

2 Link Status LED

On Link connection is locked

Flashing Interconnection cable is not connected or not functioning

3 Video Signal LED (green)

Off No video signal nor valid mode detected

On Attached and valid mode detected

4 Device Ready LED (red)

Off Device not ready

On Device ready

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ACS253A-CT

Chapter 4: Device Control

4. Device Control

If you are using the DVI output from your video card and the DVI input to a TFT monitor, no adjustment should be required. In

other cases, when the video signal is converted between analog and digital formats, either by the local unit and/or the monitor,

you may need to optimize the video signal using the Extender’s on-screen display (OSD).

Version information

Screen resolution and refresh rate

Main menu icons

Submenu/command icons

Menu title

Figure 4-1. OSD Utility.

You can adjust the following properties using the OSD:

• Adaptation to analog signal sources (VGA/RGB)—see also Chapter 5, Monitor Setup.

• Color temperature

• Brightness/contrast

• Saturation

• OSD operation, factory reset.

4.1 Opening the OSD

You can access the OSD in two ways:

• Using the keyboard attached to the Remote Unit:

NOTE: On USB models (ACS253-U-xx-R2) or DVI upgrade kits (ACS253A-DVI-xx), keyboard access is not available. Please use one

of the other methods.

• Using our small windows program with a serial connection to the programming port of the local unit.

While the OSD is active, the mouse is locked and only menu keystrokes are allowed at the keyboard. To indicate that the OSD

mode is active, the status LEDs (Num Lock, Caps Lock, and Scroll Lock) flash. There is a summary of OSD commands in Table QS-3

in the Quick Start Guide at the front of this manual.

Using the keyboard attached to the remote unit

Type the following key sequence at the remote console keyboard:

NOTE: On some keyboards, <Ctrl> is replaced by <Strg>.

To navigate within the OSD:

• Use the left and right arrow keys to highlight a submenu and/or function.

• Press the <ENTER> key to select the highlighted submenu or function.

• Select the Exit icon to go back to the previous menu level.

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Chapter 4: Device Control

• Press the <ESC> key to exit the OSD mode.

Using our Windows program

On all devices, you can use our small Windows program, running on a Windows computer for OSD access:

1. Download the program from our Web site (www.blackbox.com) by searching for the product code ACS253A.

2. Connect the programming cable to the programming port of the local unit.

3. Connect the programming cable to the serial port of your computer, where the program is running.

4. Start the program and follow the on-screen instructions.

5. Type in the following key sequence:

< O > + < S > + < D > followed by <ENTER>

When the OSD starts, it displays information about the attached device and firmware version, for example:

Company Name : BlackBox

Module Name : ACS253A-12lo

Version : Vers.1.3

Date : 03/05/15

To navigate within the OSD:

• Use the <L> and <R> keys to highlight a submenu and/or function.

• Press the <S> key to select the highlighted submenu or function.

• Select the Exit button to go back to the previous menu level.

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Chapter 4: Device Control

6. In many cases, after you have chosen a new setting, the OSD displays the following confirmation message:

Figure 4-3. Confirmation message.

7. Highlight the Yes button and press the Enter key (<S> key in Windows program) to confirm your choice. Alternatively, highlight

the No button and press the Enter key (<S> key in Windows program) to discard the new setting and restore the previous

value.

8. Select the Exit icon to close a submenu.

9. Press the Esc key (<S> key in Windows program) to close the OSD, saving all settings, and restore normal mouse and keyboard

functions.

The following table summarizes the keyboard actions and icons used to navigate the OSD utility, and to select and adjust the

Extender’s parameters:

Table 4-2. OSD parameters.

Key/Icon

Remote

Keyboard

Terminal or Windows

program Action

Esc <X>

Close the OSD, restore normal keyboard and

mouse functions.

Return to the previous Menu selection.

Enter <S>

Open the highlighted menu or submenu.

Accept the highlighted command.

Left arrow <L>

Select the previous menu or command icon.

Decrease the highlighted parameter.

Right arrow <R>

Select the next menu or command icon.

Increase the selected parameter.

Input Select

Some graphics cards are equipped with both DVI and VGA outputs. On powering up the CPU, the Extender system uses

the first detected signal unless you explicitly specify the input type. Use the Input Select menu to specify the type of video signal

to be used by the local unit. The actual graphics source is displayed with a “√ symbol (for example, VGA√).

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ACS253A-CT

Chapter 4: Device Control

Color Temperature

Use the Color Temperature submenu to set up the color profile in RGB color space or by using one of five predefined

color temperatures. To view this menu, select the Colors icon from the main menu and then select the Color Temperature icon.

Choice of five color temperature settings:

4200k, 5000k, 6500k, 7500k, 9300k

Back to Color menu

Set up colors in RGB

space – automatically

adjusts settings in

CMY space

Figure 4-8. Color Temperature submenu.

Image

VGA inputs only

Use the Image menu to adjust the vertical and horizontal screen position and to set the pixel clock and phase.

Manually adjust the

number of pixels per line

(Pixel clock)

Automatic detection of the number of pixels per line

and the best phase (best point for analog/digital

conversion within each pixel) see also Chapter 6,

Extender Setup.

Back to main menu

Manually adjust the vertical screen position

Manually adjust the horizontal screen position

Manually adjust the best phase

(best point for analog/digital

conversion within each pixel)

Figure 4-9. Image menu.

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Chapter 4: Device Control

Select low color mode/

higher fps

Select high color mode/

lower fps

Back to Tools menu

Figure 4-13. Color Depth submenu.

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Appendix A: Example Applications

This section illustrates some specific applications using Extender units:

• USB fiber with local access (Figure A-1).

• CATx with audio/serial support (Figure A-2).

• Multiple-head application with PS/2 keyboard/mouse, USB support, and audio/serial in 19”/1U (Figure A-3).

For more details, please discuss suitable extension architecture with Technical Support (see Section 7.3, Contacting Black Box).

CPU

USB and graphics output

ACS253A-U-xM-R2

Local Unit

USB and graphics input

from CPU with local console

graphics output

ACS253A-U-xM-R2

Remote Unit

USB and graphics output

Local console

USB devices Remote console

Figure A-1. USB extension with local access.

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Appendix B: Rackmount Options

Extender units can be mounted in a 19” rack using the mounting kit:

The ACS253A-Rackmount Kit contains the following parts:

M3x5 Screws (14)

Two small blanking plates

Narrow strip

Wide blanking plate

Base plate

Figure B-1. Rackmounting Kit

To mount a unit:

1. Align the holes on the base plate with the empty screw holes on the base of the extender unit.

2. Fasten the base of the unit to the plate of the mounting kit using the supplied screws.

3. Close the remaining gaps with blanking plates.

The kit enables you to mount various combinations of regular and double-width housings:

Figure B-2. One regular unit. Figure B-3. Two regular units.

(using two small plates). (using one small plate).

Produkt Specifikationer

Mærke:	Black Box
Kategori:	AV forlænger
Model:	ACS253A-CT
Type:	AV sender & modtager
Vægt:	1000 g
Brugervejledning:	Ja
Produktfarve:	Sort
Relativ luftfugtighed ved drift (H-H):	0 - 80 %
Driftstemperatur (T-T):	10 - 45 °C
Maksimal opløsning:	1600 x 1200 pixel
Antal:	2
Dimensioner (BxDxH):	170 x 132 x 44 mm
DC-in-stik:	Ja
LED-indikatorer:	Ja
AC-adapter inkluderet:	Ja
Maksimal overførselsafstand:	100 m
Ekstern strømadapter:	Ja
RJ-45 indgangs-porte:	1
Understøttede kabeltyper:	Cat5e,Cat6
RJ-45 udgangs-porte:	1
DVI indgangs-porte:	1
DVI udgangs-porte:	2