DIGITUS USB 2.0 CAT Extender, 4 Port USB-A, 150m

Quick Installation Guide

Model: DA-73120

1. Introduction

This USB extender offers a reliable solution for transmitting USB signals over distances of up to 150 meters using a CAT 6 (or higher) network cable (not included) without signal loss. It is ideal for use in large offices, conference rooms, surveillance systems, or industrial environments where longer USB connections are required.

The USB 2.0 standard enables transfer rates of up to 480 Mbps, ensuring a smooth connection for a wide range of USB devices such as cameras, printers, scanners, keyboards, mice, and USB sticks. The extender offers maximum flexibility with its four USB-A inputs, allowing multiple devices to be operated simultaneously. Its plug & play design enables easy installation without the need for additional drivers. The robust metal housing ensures durability and stability, even in demanding industrial environments. This 150m USB 2.0 extender allows you to place your USB devices where you need them without having to move the computer.

2. Technical Features

3. Package Content

4. Specification

FeatureDetails
Maximum range150m (via CAT 6 or higher)
USB ports4x USB 2.0 Inputs
Transfer rateUp to 480 Mbps (USB 2.0)
ProtectionESD protection (electrostatic discharge), overvoltage and lightning protection, short-circuit protection
Plug & PlaySimple installation, requires no software
Transmitter unit connections (TX)1x USB-A input (USB 2.0) – Connection signal source (notebook, etc.)
1x RJ45 output (Gigabit Ethernet) – CAT transmission cable connection
Receiver unit connections (RX)1x RJ45 input (Gigabit Ethernet) – CAT transmission cable connection
1x Power supply connection (DC 5V/1A) – External power supply connection
1x Reset button
Power supplyTX: Via source device
RX: DC5V/1A
Power consumptionTX: ≤ 2W
RX: ≤ 2W
Operating temperature-20°C to 60°C
Power consumption (detailed)TX approx. 3.5 W, RX approx. 2.5 W
Dimensions (per unit)L 7.6 x W 6.0 x H 2.1 cm
WeightTX 123 g, RX 128 g
Housing materialMetal
ColorBlack

5. Ports and Interfaces

Transmitter

Receiver

6. Connection Diagram

One-to-one connection

A PC connects to the Transmitter via USB-A. The Transmitter connects to the Receiver via a CAT6 150m cable. The Receiver connects to USB 2.0 devices (USB flash drive, Keyboard/Mouse, Webcam, Touch Screen, Printer) and is powered by DC 5V.

Cascading by Network Switch

A PC connects to the Transmitter via USB-A. The Transmitter connects to a Gigabit Switch via CAT5e 100m. The Gigabit Switch connects to the Receiver via CAT6 150m. The Receiver connects to USB 2.0 devices (USB flash drive, Keyboard/Mouse, Webcam, Touch Screen, Printer) and is powered by DC 5V.

7. Connection Instructions

  1. Connect the transmitter to the Host PC via USB cable and connect the USB devices to the receiver via USB cables.
  2. Connect the transmitter and receiver with a CAT 6 (or higher) network cable.
  3. Plug the power supply into the receiver to get started.
  4. Note: If the transmission distance needs to be increased (over 150 m), connect a network switch between the transmitter and the receiver using two network cables.

7. Q&A

Q: There is no response after USB device is connected?

A:

  1. Please check whether the network cable conforms to IEEE-568B standard and whether the cables are firmly connected.
  2. Reset the receiver by pressing the reset button or repower it.

Q: The receiver is unstable when connected to an external web camera?

A:

  1. When connecting high-power USB devices, it is necessary to supply additional power to external devices.

Declaration of Conformity

Hereby ASSMANN Electronic GmbH declares that the Declaration of Conformity is part of the shipping content. If the Declaration of Conformity is missing, you can request it by post under the below mentioned manufacturer address.

Email: info@assmann.com

Manufacturer Address:

Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany

CE Marking [Recycling Symbol]

Models: DA-73120, DA-73120 USB 2.0 CAT Extender, DA-73120, USB 2.0 CAT Extender, CAT Extender, Extender

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DA-73120 qig en English 20250401 Adobe PDF Library 25.1.211

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