EXT3-U3-T - AV Extender Kramer - Free user manual and instructions
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| Type | AV Extender |
| Brand | Kramer |
| Model | EXT3-U3-T |
| Product Category | USB 3.0 & HDMI Extender |
| Dimensions | 12.0 x 8.0 x 2.5 cm |
| Weight | 0.3 kg |
| Power Source | USB bus-powered (5V, 500mA) |
| Input Interface | USB 3.0 Type-A (host) |
| Output Interface | USB 3.0 Type-A (device) + HDMI |
| Max Resolution | 1920x1080 @ 60Hz |
| Max Distance | 50 m over CAT6 cable |
| LED Indicators | Power, Link |
| Enclosure Material | Metal |
| Operating Temperature | 0°C to 40°C |
| Compatibility | Windows, macOS, Linux |
| Warranty | 3 years (Kramer standard) |
| Included Accessories | Extender unit, USB cable, mounting bracket |
| Maintenance | Keep dry; clean with a soft, dry cloth |
| Safety | Use only with supplied power; avoid exposure to liquids |
| Spare Parts & Repairability | No user-serviceable parts; contact Kramer for support |
Frequently Asked Questions - EXT3-U3-T Kramer
How do I reset the Kramer EXT3-U3-T extender?
Unplug the USB cable from the host, wait 10 seconds, then reconnect. This will reset the device.
What is the maximum cable length supported?
Up to 50 meters (164 feet) using a high-quality CAT6 cable.
Is the EXT3-U3-T compatible with USB 2.0 ports?
Yes, it is backward compatible with USB 2.0, but performance may be limited to USB 2.0 speeds.
Does the extender require driver installation?
No, it is plug-and-play on most operating systems (Windows, macOS, Linux).
Can I extend both video and USB signals simultaneously?
Yes, the device extends USB 3.0 and HDMI video (up to 1080p) simultaneously over a single CAT6 cable.
What kind of power supply does it use?
It is bus-powered via the USB host connection; no external adapter is needed.
How do I mount the extender?
Use the included mounting bracket to attach it to a wall or desk. Screws are not provided.
What should I do if there is 'No Signal' on the display?
Check that the HDMI cable is properly connected, the USB cable is firmly inserted, and the host PC is powered on. Also verify the CAT6 cable is wired correctly.
Is this extender compatible with KVM switches?
Yes, it works with most KVM switches that support USB and HDMI pass-through.
How should I clean the device?
Wipe the exterior with a soft, dry cloth. Do not use liquids or abrasive cleaners.
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Download the instructions for your AV Extender in PDF format for free! Find your manual EXT3-U3-T - Kramer and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. EXT3-U3-T by Kramer.
USER MANUAL EXT3-U3-T Kramer
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Product information
Brand : Kramer
Model : EXT3-U3-T
Category : AV Extender