kramer EXT3-U-R USB 2.0 Extender Kit over Extended Reach

Product Information

Specifications :

• Model: EXT3-U-R
• Power: 12V DC
• USB Ports: 4x USB 2 Type A
• Audio Out: 3.5mm Mini Jack
• Link In: RJ-45 Connector
• RS-232: Rx, Tx (with common G pin)

Product Usage Instructions

Step 1: Check what’s in the box

The package includes the following items:

• EXT3-U-R USB Receiver
• 1 Bracket set
• 4 Rubber feet
• 1 Quick start guide

Step 2: Get to know your EXT3-U-R

The EXT3-U-R has the following features and functions:

| Feature| Function

---|---|---
1| LINK LED| Flashes blue when a link is established.
2| AUDIO OUT 3.5mm Mini Jack| Connect to an unbalanced stereo audio acceptor.
3| USB 2 Type A Ports (1 to 4)| Connect to USB devices. Connect the receiver directly to the
power adapter in order to charge USB devices.
4| ON LED| Lights green when locally powered by the power adapter. Lights
orange when powered by PoC.
5| LINK IN RJ-45 Connector| Connect to the LINK OUT port on the EXT3-U-T.
6| PROG (Tx, Rx) 5-pin Terminal Block Connector| Connect for firmware upgrade.
7| RS-232 (Rx, Tx) (with common G pin)| Connect for serial extension (9600 baud rate).
8| 12V DC Power Connector| Connect to the power adapter.

Step 3: Mount EXT3-U-R

You can install the EXT3-U-R using one of the following methods:

• Refer to the Quick Start Guide provided in the package for detailed instructions on mounting.

Step 4: Connect inputs and outputs

In this example, the EXT3-U-R is connected to the Kramer EXT3-U-T transmitter. Before connecting any device to your EXT3-U-R, make sure to switch off the power on each device.

Devices connected to the EXT3-U-R USB ports will be powered/charged while connected.

Note: Only 9600 baud rate is supported for RS-232 communication for both EXT3-U-T and EXT3-U-R.

Wiring the RJ-45 Connectors:
This section defines the TP pinout, using a straight pin-to-pin cable with RJ-45 connectors. It is recommended to connect/solder the cable ground shielding to the connector shield for better performance.

To achieve the specified extension distances, it is recommended to use the Kramer cables available at www.kramerav.com/product/EXT3-U-R. Using third-party cables may cause damage.

Step 5: Connect power

The EXT3-U-R is powered via PoC (Power over Cable).

FAQ:

Q: Where can I download the full user manual and check for firmware upgrades?
A: You can download the full user manual and check for firmware upgrades at www.kramerav.com/downloads/EXT3-U-R

Q: How many USB ports does the EXT3-U-R have?
A: The EXT3-U-R has 4 USB 2 Type A ports.

Q: What baud rate is supported for RS-232 communication?
A: Only 9600 baud rate is supported for RS-232 communication for both EXT3-U-T and EXT3-U-R.

Scan for full manual

EXT3-U-R Quick Start Guide

This guide helps you install and use your EXT3-U-R for the first time.
Go to www.kramerav.com/downloads/EXT3-U-R to download the latest user manual and check if firmware upgrades are available.

Check what’s in the box

• EXT3-U-R USB Receiver
• 1 Bracket set
• 4 Rubber feet
• 1 Quick start guide

Get to know your EXT3-U-R

EXT3-U-R

Connect the receiver directly to the power adapter in order to charge USB devices.

4| ON LED| Lights green when locally powered by the power adapter. Lights orange when powered by PoC.
5| LINK IN RJ-45 Connector| Connect to the LINK OUT port on the EXT3-U-T.
6| PROG (Tx, Rx)| 5-pin Terminal Block Connector (with common G pin)| Connect for firmware upgrade.
7| RS-232 (Rx, Tx)| Connect for serial extension (9600 baud rate).
8| 12V DC Power Connector| Connect to the power adapter.

Mount EXT3-U-R

Install EXT3-U-R using one of the following methods:

• Attach the rubber feet and place the unit on a flat surface.

• Fasten a bracket (included) on each side of the unit and attach it to a flat surface (see www.kramerav.com/downloads/EXT3-U-R).

• Mount the unit in a rack using the recommended rack adapter (see www.kramerav.com/product/EXT3-U-R).

• Ensure that the environment (e.g., maximum ambient temperature & air flow) is compatible for the device.

• Avoid uneven mechanical loading.

• Appropriate consideration of equipment nameplate ratings should be used for avoiding overloading of the circuits.

• Reliable earthing of rack-mounted equipment should be maintained.

• Maximum mounting height for the device is 2 meters.

Connect inputs and outputs

• In this example EXT3-U-R is connected to the Kramer EXT3-U-T transmitter.
• Always switch OFF the power on each device before connecting it to your EXT3-U-R.
• Devices that are connected to the EXT3-U-R USB ports are powered/charged while connected.
• Only 9600 baud rate is supported for RS-232 communication for both EXT3-U-T and EXT3-U-R.

Wiring the RJ-45 Connectors
This section defines the TP pinout, using a straight pin-to-pin cable with RJ-45 connectors.

EIA /TIA 568B

PIN| Wire Color
1| Orange / White
2| Orange
3| Green / White
4| Blue
5| Blue / White
6| Green
7| Brown / White
8| Brown

It is recommended that the cable ground shielding be connected/soldered to the connector shield.

To achieve specified extension distances, use the recommended Kramer cables available at www.kramerav.com/product/EXT3-U-R.
Using third-party cables may cause damage!

Connect power

EXT3-U-R is powered via POC.
Safety Instructions (See www.kramerav.com for updated safety information)

Caution:

• For products with relay terminals and GPI\O ports, please refer to the permitted rating for an external connection, located next to the terminal or in the User Manual.
• There are no operator serviceable parts inside the unit.

Warning:

• Use only the power cord that is supplied with the unit.
• Disconnect the power and unplug the unit from the wall before installing.

kramerav.com

References

• Kramer | Audio-Visual Solutions and Experiences
• Kramer | Audio-Visual Solutions and Experiences

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