Kramer EXT3-21-XR-TR Quick Start Manual

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Step 1: Check what's in the box
EXT3-21-XR-TR 4K60 USB/HDMI Switcher Extender
1 Power adapter and cord
Step 2: Get to know your EXT3-21-XR-TR
Configuring the device as transmitter (Tx) or receiver (Rx, default) is done via the front panel button (or the embedded
webpages settings).
# Feature
1 IR 3.5mm Mini Jack Connector
2 USB-A 3.1
3 HDMI IN Connector
4 USB-B 3.1 HOST Connector
5 HDMI and HDBT LEDs
6 Rx INPUT SELECT Button
7 DISPLAY ON Button
8 ACTIVE HOST LED
9 ACTIVE Rx LED
►
10 PoE LED
11 NET LED
EXT3-21-XR-TR Quick Start
EXT3-21-XR-TR Quick Start Guide
This guide helps you install and use your
Go to www.kramerav.com/downloads/EXT3-21-XR-TR
firmware upgrades are available.
Function
Connect to an external IR emitter to control a local IR-controlled device from the
remote extender (for example, EXT3-21-XR-TR).
Connect to an IR sensor to control a remote IR-controlled device connected to the
remote extender side (for example, EXT3-21-XR-TR).
Connect to a USB local peripheral device (for example, a USB camera, a soundbar,
microphone and so on).
Connect to an HDMI source.
Connect to a USB host (for example, a laptop) to communicate with the USB
peripheral devices (for example, a smart board) connected to USB device ports on
either the transmitter or the receiver sides of the extender.
Each input LED, lights green when a source is selected and active, blue when a
source is selected but not active, and Off when a source is not selected.
Note: On transmitter mode, HDBT LED is always Off.
Press to select an input.
Press and hold for a minimum of 10 seconds to switch between Rx↔Tx mode.
Switching between modes initiates Factory Reset.
Press to toggle turning the display on and off.
Button LED lights ON after sending a DISPLAY ON message.
Button LED lights OFF after sending a DISPLAY OFF message.
Lights orange when local USB host is active.
Lights blue on active receiver mode.
Lights green when the device provides PoE to a connected device.
Indicates networking status:
LED Color
Dark
Lights green
Flashes green for 60s
Flashes red/green
EXT3-21-XR-TR for the first time.
to download the latest user manual and check if
1 Bracket set
4 Rubber feet
Indicates
No IP address acquired.
A valid IP address has been acquired.
A means to identify the device in a system, using
command #IDV.
IP fallback address has been acquired.
P/N: 2 9 0 0 - 3 0 1 5 9 6 QS
1 Quick start guide
Rev: 2