VE3912 - AV Transmitter ATEN - Free user manual and instructions

Product Type	DisplayPort / HDMI / VGA Switch with HDBaseT Transmitter
Model	VE3912T
Brand	ATEN
Video Inputs	1 x DisplayPort, 1 x HDMI, 1 x VGA (all female)
Video Outputs	1 x HDMI (local), 1 x RJ-45 (HDBaseT)
Max Video Resolution (HDMI/DisplayPort)	4Kx2K @ 60Hz (4:4:4 local, 4:2:0 HDBaseT) up to 100m via Cat 6a
Max Video Resolution (VGA)	1920 x 1200 / 1600 x 1200 @ 60Hz up to 100m via Cat 6a
Transmission Distance (Standard)	Up to 100m over Cat 5e/6/6a at 4K
Long Reach Mode Distance	Up to 150m over Cat 5e/6 at 1080p
Power Supply	DC 5V or 48V via PoH (Power over HDBaseT) – adapter included
Power Consumption	7.02W (5V) / 8.77W (48V)
Dimensions (with bracket)	17.29 x 14.69 x 3.00 cm (6.81 x 5.78 x 1.18 in)
Weight	0.65 kg (1.43 lbs)
Enclosure Material	Metal
Control Methods	Front panel pushbutton, RS-232 (Command/Bypass mode), IR
HDCP Compliance	HDCP 2.2
ESD Protection	8KV / 15KV
Mounting Options	Wall mount (built-in brackets), rack mount (optional kit VE-RMK 1U)
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20°C to 60°C (-4°F to 140°F)
Humidity	0% to 80% RH (non-condensing)
Certifications	FCC Class A, CE, RoHS
Warranty	2 years (may vary by region)

Frequently Asked Questions - VE3912 ATEN

What is the maximum transmission distance for 4K video?

For 4K (up to 3840x2160 @60Hz 4:2:0), the maximum distance is 100m via Cat 6a or ATEN 2L-2910 cable, or 70m via Cat 5e/6. For 4K @30Hz 4:4:4, the same distances apply.

How do I switch input sources?

You can switch sources using the front panel pushbutton. Press to cycle through Auto, DisplayPort, HDMI, and VGA modes. The active mode is indicated by the corresponding LED.

Does the VE3912T support Power over HDBaseT (PoH)?

Yes, the VE3912T can receive power from a compatible PoH source (e.g., VP1421) via the HDBaseT output port. If a power adapter is connected, the adapter takes priority.

How do I enable Long Reach Mode?

Slide the HDBaseT Long Reach Mode switch on the rear panel to ON. This extends transmission distance up to 150m over Cat 5e/6, but limits resolution to 1080p @60Hz.

What RS-232 control options are available?

The unit supports two modes: Command mode (default) allows remote control via RS-232 commands to switch inputs, enable scaling, etc. Bypass mode passes serial data through to connected devices. Hold the Source Switch pushbutton for 5 seconds to toggle between modes.

Can I use the VE3912T with any HDBaseT receiver?

The VE3912T is designed to work with ATEN HDBaseT receivers for best compatibility. It may work with other HDBaseT receivers but is not guaranteed.

What is the difference between the local HDMI output and the HDBaseT output?

The local HDMI output provides a mirrored signal and supports up to 4Kx2K @60Hz 4:4:4. The HDBaseT output maxes at 4Kx2K @60Hz 4:2:0 (or 4:4:4 at 30Hz) depending on distance.

Does the VE3912T support EDID management?

Yes, it features ATEN's EDID Expert™ technology, which selects optimum EDID settings for high-quality display, prioritizing the HDBaseT output.

What cables are recommended for best performance?

ATEN recommends using Cat 6a or ATEN 2L-2910 Cat 6 cable for maximum distance and resolution. For VGA, use cables up to 10m, and for HDMI/DisplayPort up to 3m (5m for standard HDMI).

How do I perform a firmware upgrade?

Firmware upgrades should be done by a qualified technician. The rear panel has a Firmware Upgrade switch; contact ATEN support or your dealer for instructions.

USER MANUAL VE3912 ATEN

STATEMENT: 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. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.

Warning: Operation of this equipment in a residential environment could cause radio interference.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.

Suggestion: Shielded twisted pair (STP) cables must be used with the unit to ensure compliance with FCC & CE standards.

KCC Statement

This product is RoHS compliant.

User Information

Online Registration

Be sure to register your product at our online support center:

International http://eservice.aten.com

Telephone Support

For telephone support, call this number:

International 886-2	8692-6959
China 86-400-810-0	810
Japan 81-3-5615-5811
Korea 82-2-467-6789
North America 1-888	8-999-ATEN ext 4988
	1-949-428-1111

User Notice

All information, documentation, and specifications contained in this manual are subject to change without prior notification by the manufacturer. The manufacturer makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties as to merchantability or fitness for any particular purpose. Any of the manufacturer's software described in this manual is sold or licensed as is. Should the programs prove defective following their purchase, the buyer (and not the manufacturer, its distributor, or its dealer), assumes the entire cost of all necessary servicing, repair and any incidental or consequential damages resulting from any defect in the software.

The manufacturer of this system is not responsible for any radio and/or TV interference caused by unauthorized modifications to this device. It is the responsibility of the user to correct such interference.

The manufacturer is not responsible for any damage incurred in the operation of this system if the correct operational voltage setting was not selected prior to operation. PLEASE VERIFY THAT THE VOLTAGE SETTING IS CORRECT BEFORE USE.

Package Contents

◆ 1 VE3912T DisplayPort / HDMI / VGA Switch with HDBaseT Transmitter
◆ 1 RS-232 Terminal Block
◆ 1 Power Adapter
◆ 4 Foot Pads
◆ 1 User Instructions

Note: 1. 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.
2. Read this manual thoroughly and follow the installation and operation procedures carefully to prevent any damage to the unit, and/or any of the devices connected to it.

Table of Contents

EMC Information....ii

RoHS ii

User Information ....iii

Online Registration ....iii

Telephone Support ....iii

User Notice ....iii

Package Contents ......iv

About this Manual vii

Conventions......viii

Product Information ix

1. Introduction

Overview....1

Features 2

Planning the Installation 3

Requirements 3

Considerations 3

Compatible ATEN Video Extenders 3

Components 4

VE3912T Front View....4

VE3912T Rear View 5

VE3912T Top View 6

2. Hardware Setup

Mounting the VE3912T Unit 7

Wall Mounting 7

Rack Mounting 7

Connecting the VE3912T Unit 8

RS-232 Channel Transmission 10

3. Operation

Selecting the Input Mode ..... 11

Input Modes 11

Source Switch Pushbutton 12

RS-232 Serial Transmission 13

Bypass 13

Command 13

Long Reach Mode 15

Appendix

Safety Instructions 17

General 17

Rack Mounting 19

Technical Support 20

International 20

North America 20

Specifications 21

Supported VGA Resolutions....23

Limited Warranty 24

About this Manual

This user manual is provided to help you get the most from the VE3912T unit. 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 DisplayPort / HDMI / VGA Switch with HDBaseT Transmitter. Its purpose, features, installation considerations, and panel components are presented and described.

Chapter 2, Hardware Setup describes the steps that are necessary to quickly and safely set up your installation.

Chapter 3, Operation explains the Long Reach Mode and limitations, and how to set up the input detection mode using the a pushbutton and RS-232 commands.

An Appendix provides a list of safety instructions and precautions, contact information for ATEN technical support, product specifications, and other technical information.

Note:

• Read this manual thoroughly and follow the installation and operation procedures carefully to prevent any damage to the unit or any connected devices.
• ATEN regularly updates its product documentation for new features and fixes. For an up-to-date VE3912T documentation, visit http://www.aten.com/global/en/

Conventions

This manual uses the following conventions:

MonospacedIndicates text that you should key in.

[ ] Indicates keys you should press. For example, [Enter] means to press the Enter key. If keys need to be chorded, they appear together in the same bracket with a plus sign between them: [Ctrl+Alt].

1. Numbered lists represent procedures with sequential steps.

◆ Bullet lists provide information, but do not involve sequential steps.

→Indicates selecting the option (on a menu or dialog box, for example), that comes next. For example, Start → Run means to open the Start menu, and then select Run.

Indicates critical information.

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 http://www.aten.com

North America http://www.aten-usa.com

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Chapter 1

Introduction

Overview

The ATEN VE3912T is an HDBaseT transmitter that extends 4K DisplayPort, HDMI, or VGA video signals up to 100m over a single Cat 6/6a or ATEN 2L-2910 Cat 6 cable. Featuring multiple video input formats and output resolutions up to 4K, it ensures a superior video quality for applications that require digital/analog sources conversion and extension.

This HDCP 2.2 compliant transmitter meets the HDMI specification, including 3D, Deep Color, and 4Kx2K video quality. The Auto Switch Mode allows the VE3912T to automatically switch to a newly plugged-in source. With its built-in PoH (Power over HDBaseT) function, it can receive power from the HDBaseT output port on the connected device, eliminating the need for a power adapter. As a combination of extension and switch for both digital and analog inputs, VE3912T is recommended to be deployed in settings with multiple source inputs, such as conference rooms, digital educational environment or wherever integration and simplification are required.

Features

◆ Extends DisplayPort, HDMI or VGA signals up to 100 m over a single Cat 5e/6/6a or ATEN 2L-2910 Cat 6 cable
- Supports multiple source inputs (DisplayPort/HDMI/VGA) – easily switching among sources via a pushbutton
- Auto Switch Mode – allows the VE3912T to automatically switch to a newly plugged-in source
◆ HDMI (3D, Deep color, 4K); HDCP 2.2 compliant
- Superior video quality:
- HDMI/DisplayPort: 4K at distance up to 100 m via a Cat 6a or ATEN 2L-2910 Cat 6 cable
♦ VGA: 1600 x 1200 and 1920 x 1200 up to 100 m via a Cat 6a or ATEN 2L-2910 Cat 6 cable
- HDBaseT Long Reach Mode – up to 150 m via a single Cat 5e/6 cable at resolutions up to 1080p
- Mirrored video output – supports 4K @ 30Hz, 4:4:4 over the HDBaseT output, and full 4Kx2K @ 60Hz, 4:4:4 over the local HDMI output
- PoH (Power over HDBaseT) – with its built-in PoH function, it receives power from the HDBaseT output port on the connected device
- Perfect HDBaseT Compatibility – compatible with ATEN HDBaseT receivers, available to deliver crystal audio and video signals to DisplayPort/HDMI/VGA output port
- Features RS-232 Serial Communication Switch – Command mode and Bypass mode to meet application requirements, user can command input port switch through RS-232 of receiver, such as VE2812R
- EDID Expert™ – selects optimum EDID settings for high-quality display and use HDBaseT output as priority of optimum video resolution
- High-performance scaling – scales videos of different resolutions to their optimal output for display and to avoid black screen
◆ Plug-and-play with no software installation required
Rack-mountable
◆ Built-in 8KV / 15 KV ESD protection

Planning the Installation

Requirements

Prepare the following before installing the VE3912T unit:

◆ 1 DisplayPort, HDMI, and/or VGA source device
◆ 1 Cat 5e/6/6a or ATEN 2L-2910 Cat 6 cable

Considerations

- To ensure video quality, ATEN recommends using a Cat 5e/6/6a cable.

Note: For best results, ATEN recommends using the ATEN 2L-2910 Cat 6 cable.

- The maximum transmission distance varies at different parts of the transmission:

Connection Interface Distance
Computer to the VE3912T Display	layPort 3 m
	HDMI 3 m (True 4K) / 5 m
	VGA 10 m
The VE3912T to a compatible ATEN Video Extender	Cat 5e/6/6a 10	0 m / 150 m(up to 1080p in Long Reach Mode)
A compatible ATEN Video Extender to the display	HDMI 5 m

Compatible ATEN Video Extenders

The VE3912T is designed to work with a wide range of ATEN HDBaseT video extenders. Visit our official web site for more details.

Components

VE3912T Front View

No.	Component Description
1	DisplayPort Input Port	Connects to the DisplayPort Out port on the source device.
2	HDMI Input Port Connects to the HDMI Out port on the source device.
3	VGA Input Port Connects to the VGA Out port on the source device.
4	Audio Input Connects to the Audio Out port on the source device.
5	Source Switch Pushbutton	Press to switch among the Auto Switch, DisplayPort, HDMI, and VGA input mode. The input mode status is indicated by the four LEDs to the right of this pushbutton. For details, see VE3912T Top View, page 6. To switch between Bypass Mode and Command mode, see RS-232 Serial Transmission, page 13.
6	Auto LED Lights orange when the unit is set to the Auto Switch mode. For details, see Selecting the Input Mode, page 11.
7	DisplayPort LED Lights orange when the unit is set to transmit DisplayPort input.
8	HDMI LED Lights orange when the unit is set to transmit HDMI input.
9	VGA LED Lights orange when the unit is set to transmit VGA input.

VE3912T Rear View

No.	Component Description
1	HDBaseTOutput Port	Connects to the HDBaseT Output port on a compatible ATEN video receiver via an RJ-45 cable.
2	HDBaseT LongReach ModeSwitch /FirmwareUpgrade Switch	Put the switch to ON to enable the Long Reach Mode. For more details on Long Reach Mode, see Long Reach Mode, page 15. The firmware upgrade switch is reserved for ATEN Technical Support. If you would like do a firmware upgrade yourself, please contact your dealer.
3	RS-232 Port Connects to an RS-232 main controller, such as a PC or Control system.
4	IR Port Connects to an IR transmitter/receiver.
5	HDMI OutputPort	Connects to an HDMI-enabled display.
6	Power Jack Connects to the Power Adapter.

VE3912T Top View

You can find the unit's LEDs on the top and front panel as illustrated below. See the table below for details on LED indication.

No.	LED Indication Description
1	DisplayPort / HDMI / VGA Input Status LED	Lights red The	DisplayPort signal is stable.
		Lights orange	The HDMI signal is stable.
		Lights green	The VGA signal is stable.
2	Link LED Lights orange	ge The transmission to the receiver is stable.
		Blinks orange	The transmission to the receiver is unstable.
3	Power LED Lights green	The unit is receiving power.

Note:

The Power, Link, Auto Switch Mode, DisplayPort Mode, HDMI Mode, and VGA Mode LEDs blink at the same time to indicate that the firmware upgrade is in progress.
- Auto Switch Mode LED, DisplayPort Mode LED, HDMI Mode LED, and VGA Mode LED light and blink at the same time to indicate that the RS-232 mode is changed.

Chapter 2

Hardware Setup

1. Please review the safety information regarding the placement of this device in Safety Instructions, page 17.

2. Do not power on the VE3912T until all the necessary hardware is connected.

Mounting the VE3912T Unit

You can mount the VE3912T to the wall or on a rack.

Wall Mounting

Secure or hang the VE3912T unit to the wall using the built-in mounting brackets.

Technical line drawing of a mechanical component with multiple pins and mounting holes (no text or symbols)

Rack Mounting

Use the VE-RMK 1U Rack Mount Kit to rack-mount the VE3912T. For more information about this accessory, go to www.aten.com/products

Connecting the VE3912T Unit

Follow the steps below to connect the VE3912T to a source, a compatible ATEN Video Extender, and other controls as required.

1. Connect the DisplayPort, HDMI, and/or VGA Input Port on the VE3912T to the DisplayPort, HDMI, and/or VGA sources using the required cables respectively. If VGA is connected, then you need to connect the VGA audio jack to the Audio Input on the VE3912T to transmit sound.

2. Connect the HDMI Output Port on the VE3912T to an HDMI-enabled display.

3. Connect an Ethernet cable to the HDBaseT Output port on the transmitter, and connect the other end to the HDBaseT input port on the receiver for transmission and power supply.

Note: This HDBaseT output port is PoH PD ready, therefore you can connect the PoH PSE ready device such as VP1421 for power delivery, and there is no need to plug power adapter to the VE3912T.

1. (Optional) Connect your computer or a control system to the terminal block on the VE3912T. The RS-232 Serial Port supports Command Mode and Bypass Mode, see RS-232 Serial Transmission, page 13.

- To control the VE2812R using an ATEN Control System/Control Pad, connect a Control Box/Control Pad to the VE3912T's RS-232 Serial port and then put the RS-232 Serial Communication Switch to Command.

Note: By default, the VE3912T is set to Command mode.

- To bypass RS-232 serial control signals to a PC or a serial device, connect the PC or serial device (e.g. touch pad) to the VE3912T's RS-232 Serial port and put the RS-232 Serial Communication Switch to Bypass.

1. (Optional) To receive IR signals to remotely control a device (e.g. blu-ray disc) connected to the video receiver, connect an IR emitter to the VE3912T's IR Port and an IR receiver to the VE2812R's IR Port or vice versa.

Note: To purchase an IR emitter and an IR remote control, contact your local sales representative for more information.

1. (Optional) Plug the power adapter cable into the Power Jack for additional power supply.

Note: The VE3912T prioritizes the power supply from the power adapter when the Power Adapter is plugged in.

RS-232 Channel Transmission

You can manage the VE3912T via RS-232 serial devices, such as computers or bar code scanners. The RS-232 signal transmission flow can be illustrated as follows:

graph TD
    A["Server"] --> B["Cat 5e/6/6a"]
    A --> C["Cat 5e/6/6a"]
    A --> D["Cat 5e/6/6a"]
    A --> E["Cat 5e/6/6a"]
    B --> F["Serial Device"]
    C --> F
    D --> F
    E --> F
    F --> G["Tx Rx Gnd"]
    G --> H["Tx Rx Gnd"]
    H --> I["Tx Rx Gnd"]
    I --> J["Tx Rx Gnd"]
    J --> K["Tx Rx Gnd"]

From a source device, the RS-232 signal is transmitted (Tx) to the VE3912T receiving (Rx) unit; the a compatible ATEN Video Receiver transmits (Tx) signals to the display device (Rx).

You can set the VE3912T to either bypass serial data or to receive RS-232 commands. By default, the VE3912T is set to receive serial data. To set the unit to bypass RS-232 commands, press the Input Switch pushbutton for 3 seconds. For details on RS-232 commands, see RS-232 Serial Transmission, page 13.

Chapter 3 Operation

Selecting the Input Mode

Input Modes

You can switch among different input modes based on your needs. Refer to the table below for how each mode works. The default setting is Auto Switch.

Input Mode Description
Auto Switch(LED lights orange)	◆ Before power on, the VE3912T prioritizes HDMI transmission if all three DisplayPort, HDMI and VGA inputs are plugged in at the same time.◆ After power on, the VE3912T prioritizes the latest detected input source transmission to the connected receiver.Note: You can disable this part of the Auto Switch mode (automatic input switching) using an RS-232 command. For more details, see Command, page 13.
DisplayPort(LED lights orange)	The VE3912T only transmits DisplayPort source to the connected receiver.
HDMI(LED lights orange)	The VE3912T only transmits HDMI source to the connected receiver.
VGA(LED lights orange)	The VE3912T only transmits VGA source and its audio input to the connected receiver.

Source Switch Pushbutton

Press the Source Switch Pushbutton located on the front panel to switch among the Auto Switch, DisplayPort, HDMI, and VGA input mode.

RS-232 Serial Transmission

The RS-232 Serial Transmission allows you to choose whether to bypass serial data or to remotely control the VE3912T using commands depending on your installation.

To switch the VE3912T RS-232 mode, do the following:

1. Press the Source Switch Pushbutton for 5 seconds as shown in the diagram below.

• Bypass mode: the Auto LED, DisplayPort LED, HDMI LED, and VGA LED light orange and blink once per second for three seconds.
• Command mode: the Auto LED, DisplayPort LED, HDMI LED, and VGA LED light orange and blink once every 0.3 seconds for three seconds.

Note: 1. By default, the VE3912T is set to Command mode.

1. The RS-232 status is kept even VE3912T is powered on and off. For detailed LEDs behavior, see VE3912T Top View, page 6.

Bypass

RE-232 serial data is bypassed from the controller PC or Pad to other connected devices.

Command

You can change the input mode using RS-232 commands. Refer to the table below for a list of available tasks and the corresponding commands.

Type the corresponding command to execute a task. For example, to enable automatic input switching, type swmode plugin auto and then press [Enter].

Task	Command
	Control Input Port
Enables automatic input switching swmode plugin auto N/A N/A
Disables automatic input switching swmode plugin off N/A N/A
Enables automatic plug-out switching swmode plugout prev N/A N/A
Disables automatic plug-out switching swmode plugout off N/A N/A
Enables HDMI scaling.HDMI local output: video resolution up to 4Kx2K @ 60Hz (4:4:4).HDBaseT output: video resolution donwscaled to 1920 x 1080 @ 60Hz.	scaling o02 hor 1920 ver 1080	N/A N/A
Disables HDMI scaling.HDMI local output: video resolution up to 4Kx2K @ 30 Hz (4:4:4).HDBaseT output: video resolution up to 4Kx2K @ 30 Hz (4:4:4).	scaling o02 off N/A	N/A
Switches the unit to the DisplayPort Mode sw	N/A N/A
Sets the unit to the DisplayPort mode	sw	i	01
Sets the unit to the HDMI mode	sw	i	02
Sets the unit to the VGA mode	sw	i	03
Views the current input mode settings	read	N/A N/A

Note:

• Press [Enter] to execute a command.
• The current input mode setting is also indicated by the Auto Switch, HDMI, and VGA LEDs.
  ◆ The automatic input switching is enabled by default.
  ◆ The automatic plug-out switching is enabled by default.
  ◆ The HDMI scaling is disabled by default.

Long Reach Mode

Long Reach Mode is a modulation that extends the transmission distance up to 150 m using a Cat 5e/6 cable while compromising the maximum frame rate to 1080p, 24 bpp, 60 Hz via a single Cat 5e/6 cable. To enable Long Reach Mode, put the HDBaseT Long Reach Mode Switch to ON at either the transmitter or the connected receiver.

Note: When Long Reach Mode is enabled, the VE3912T will not be able to transmit 4K signals, in which case, the output display will be blank.

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Safety Instructions

General

• This product is for indoor use only.
• 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. To ensure reliable operation, and to protect against overheating, these openings must never be blocked or covered.
• The device should never be placed on a soft surface (bed, sofa, rug, etc.) as this will block its ventilation openings. Likewise, the device should not be placed in a built-in enclosure unless adequate ventilation has been provided.
• Never spill liquid of any kind on the device.
• Unplug the device from the wall outlet before cleaning. Do not use liquid or aerosol cleaners. Use a damp cloth for cleaning.
• The device should be operated from the type of power source indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company.
• The device is designed for IT power distribution systems with 230V phase-to-phase voltage.
• To prevent damage to your installation it is important that all devices are properly grounded.
• The device is equipped with a 3-wire grounding type plug. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not attempt to defeat the purpose of the grounding-type plug. Always follow your local/national wiring codes.
  Do not allow anything to rest on the power cord or cables. Route the power cord and cables so that they cannot be stepped on or tripped over.

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 uninterruptible power supply (UPS).
- Position system cables and power cables carefully; Be sure that nothing rests on any cables.
- Never push objects of any kind into or through cabinet slots. They may touch dangerous voltage points or short out parts resulting in a risk of fire or electrical shock.
- Do not attempt to service the device yourself. Refer all servicing to qualified service personnel.
- If the following conditions occur, unplug the device from the wall outlet and bring it to qualified service personnel for repair.

• The power cord or plug has become damaged or frayed.
• Liquid has been spilled into the device.
• The device has been exposed to rain or water.
• The device has been dropped, or the cabinet has been damaged.
• The device exhibits a distinct change in performance, indicating a need for service.
• The device does not operate normally when the operating instructions are followed.

- Only adjust those controls that are covered in the operating instructions. Improper adjustment of other controls may result in damage that will require extensive work by a qualified technician to repair.

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.
- Use caution when pressing the device rail release latches and sliding a device into or out of a rack; the slide rails can pinch your fingers.
- After a device is inserted into the rack, carefully extend the rail into a locking position, and then slide the device into the rack.
- Do not overload the AC supply branch circuit that provides power to the rack. The total rack load should not exceed 80 percent of the branch circuit rating.
- Make sure that all equipment used on the rack – including power strips and other electrical connectors – is properly grounded.
- Ensure that proper airflow is provided to devices in the rack.
- Ensure that the operating ambient temperature of the rack environment does not exceed the maximum ambient temperature specified for the equipment by the manufacturer.
- Do not step on or stand on any device when servicing other devices in a rack.

Technical Support

International

- For online technical support – including troubleshooting, documentation, and software updates: http://support.aten.com

- For telephone support, see Telephone Support, page iii:

North America

Email Support [e-mail]
Online Technical Support	Troubleshooting Documentation Software Updates	http://www.aten-usa.com/support
Telephone Support 1-888-999-ATEN ext 4988

When you contact us, please have the following information ready beforehand:

Product model number, serial number, and date of purchase

- Your computer configuration, including operating system, revision level, expansion cards, and software

◆ Any error messages displayed at the time the error occurred

◆ The sequence of operations that led up to the error

◆ Any other information you feel may be of help

Specifications

Function VE3912T
Video Input
Interfaces 1 x HDMI Type A Female (Black)1 x HDB-15 (VGA) Male (Blue)1 x DisplayPort Female (Black)
Impedance HDMI: 100 Ω	HDB-15 (VGA): 75 ΩDisplayPort: 100 Ω
Max. Distance DisplayPort: 3 m	HDMI: 3 m (True 4K) / 5 mVGA: 10 m
Video Output
Interfaces 1 x HDMI Type A Female (Black)
Impedance 100 Ω
Video
Max. Data Rate 10.2 Gbps (3.4 Gbps per lane)
Max. Pixel Clock 340 MHz
Compliance HDMI (3D, Deep Color, 4K)
Max. Resolutions HDMI Local Output: 4Kx2K @ 60Hz (4:4:4)HDBaseT Output: 4Kx2K @ 60Hz (4:2:0) / 4Kx2K @ 60Hz(4:4:4)
Max. Resolutions / Distances	HDMI/DisplayPort:◆Up to 4k @70m (Cat 5e/6) / 100m (Cat 6a/ATEN 2L-2910 Cat6)◆Up to 1080p @100m (Cat 5e/6/6a)VGA:◆Up to 1920 x 1200 & 1600 x 1200 @70m (Cat 5e/6) /100m (Cat 6a/ATEN 2L-2910 Cat 6)◆Up to 1920 x 1080 @100m (Cat 5e/6/6a)4k supported:◆4096 x 2160 / 3840 x 2160 @60Hz (4:2:0)◆4096 x 2160 / 3840 x 2160 @30Hz (4:4:4)

Audio

Input 1 x HDMI Type A Female (Black)
	1 x Mini Stereo Jack Female (Green)
	1 x DisplayPort Female (Black)

Function		VE3912T
Connectors
Unit To Unit 1 x RJ-45 Female
Power 1 x DC Jack (Black) with locking or,1 x RJ-45 Female (PoE)
Control
RS-232 Connector 1 x Terminal Block, 3 Pole; Type: DTE
Baud Rate 1	15200
Data Bits 8
Stop Bits 1, no parity and flow control
IR 1 x Mini Stereo Jack	Female (Black)
Switches
Video Input Port Selection	1 x Pushbutton - HDMI, VGA, DispalyPort, and AUTO
Long Reach Mode Switch	1 Slide Switch - ON/OFF
Firmware Upgrade 1 Slide Switch - ON/OFF
Power
Consumption DC 5V; 7.02W; 40BTU	DC48V; 8.77W; 48BTU
Environmental
Operating Temperature	0 - 40°C
Storage Temperature -20 - 60°C
Humidity	0 x 80% RH, Non-Condensing
Physical Properties
Housing	Metal
Weight	0.65 Kg (1.43 lb)
Dimensions (L x W x H) with Bracket	17.29 x 14.69 x 3.00 cm (6.81 x 5.78 x 1.18 in.)
Dimensions (L x W x H) without Bracket	16.60 x 12.49 x 2.90 cm (6.54 x 4.92 x 1.14 in.)

Supported VGA Resolutions

The VE3912T supports the following VGA resolutions:

VGA Resolution Frame Rate (Hz)
640 x 480 60
640 x 480 75
800 x 600 60
800 x 600 75
1024 x 768 60
1024 x 768 75
1152 x 864 60
1152 x 864 75
1280 x 600 60
1280 x 720 60
1280 x 768 60
1280 x 800 60
1280 x 800 75
1280 x 960 60
1280 x 1024 60
1280 x 1024 75
1360 x 768 60
1366 x 768 60
1400 x 1050 60
1440 x 900 60
1600 x 900 60
1600 x 1200 60
1680 x 1050 60
1920 x 1080 60

Limited Warranty

ATEN warrants its hardware in the country of purchase against flaws in materials and workmanship for a Warranty Period of two [2] years (warranty period may vary in certain regions/countries) commencing on the date of original purchase. This warranty period includes the LCD panel of ATEN LCD KVM switches. Select products are warranted for an additional year (see A+ Warranty for further details). Cables and accessories are not covered by the Standard Warranty.

What is covered by the Limited Hardware Warranty

ATEN will provide a repair service, without charge, during the Warranty Period. If a product is detective, ATEN will, at its discretion, have the option to (1) repair said product with new or repaired components, or (2) replace the entire product with an identical product or with a similar product which fulfills the same function as the defective product. Replaced products assume the warranty of the original product for the remaining period or a period of 90 days, whichever is longer. When the products or components are replaced, the replacing articles shall become customer property and the replaced articles shall become the property of ATEN.

To learn more about our warranty policies, please visit our website: http://www.aten.com/global/en/legal/policies/warranty-policy