Kramer EXT3-U3-R

The Kramer EXT3-U3-R has 6 inputs and 0 outputs: 3 × USB 3.2 Gen 1 (5G), 1 × 12V DC, 1 × HDBaseT, 1 × RS-232.

Inputs and outputs

USB 3.2 Gen 1 (5G) (3)

PortDirectionConnector
USB 3.0-1In/outUSB-A
USB 3.0-2In/outUSB-A
USB 3.0-3In/outUSB-A

12V DC (1)

PortDirectionConnector
12V DC InIn–

HDBaseT (1)

PortDirectionConnector
CAT Extension InInRJ45

RS-232 (1)

PortDirectionConnector
RS-232In/outPhoenix

Specs

Category
Converter

What it connects to

  • HDBaseT in: 499 devices in the library can feed it.
  • USB 3.2 Gen 1 (5G) in: 430 devices in the library can feed it.
  • RS-232 in: 28 devices in the library can feed it.

Use the Kramer EXT3-U3-R in a diagram

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Port data from the Patchify gear library, last updated 9 October 2026. Report a correction

Kramer EXT3-U3-R Inputs, Outputs & Specs | Patchify