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4K UHD HDBaseT 5-Play HDCP 2.2 Receiver with ARC and 

2-way PoH (4K: 70m/230ft | 1080p: 100m/328ft)

 RX-70-4K-ARC v2

Quickstart Guide

In the Box

1x RX-70-4K-ARC v2 Receiver
1x IR Emitter
1x Wide-band IR Receiver (30-50KHz)
2x Mounting Brackets
1x 3-pin Phoenix Connector
1x Quickstart Guide (this document)

Basic Wiring Diagram

IR

Digital Audio

Key

HDMI/Digital Video

HDBaseT/Ethernet

RX-70-4K-ARC

H2 Matrix with ARC

2-way

or

UHD Display

Control System

IR RX

CAB-IR-LINK (Sold Separately)

 IMPORTANT!

Do not connect or disconnect (hot plug) the HDMI, or HDBaseT 
connections while the transmitter or receiver is powered on. Doing so 
may cause damage to the units or connected devices.

Recommended Products

To take full advantage of the features of this receiver, WyreStorm 
recommends the following products be used within the system.

•  H2 Series HDBT Matrix Switchers

 - Certain output cards on these 

switchers have an ARC function which is supported by the RX-70-4K-
ARC. Other receivers may not support ARC.

•  CAB-IR-LINK 

– Use this cable when using an IR control system for 

matrix control of HDBaseT pass-through.

Additional Information

This Quickstart Guide provides the basic steps for the common uses of 
this product. Refer to the Installation Guide and other documentation on 
the product page for additional information.

Before Beginning

•  WyreStorm recommends visiting the product page before installing 

this product for updates to this Quickstart Guide as well as other 
information about the product.

•  Verify that all items are included in the packaging per the 

In The Box

 

list.

Pre Wire

1.  Run a Cat5e/6/6a cable from the transmitter location to the receiver 

location no longer than 70m/230ft (4K) and 100m/328ft (1080p).
Terminate the cable per the 

HDMI/HDBaseT Wiring

 section.

2.  (Optional) If using 3rd party IR emitters or connecting blocks at 

either the transmitter or receiver, run the wire and terminate per the 

IR TX (Emitter) Wiring

 section.

3.  (Optional) If using RS-232 pass-through, run the wire and terminate 

per the 

RS-232 Wiring

 section.

4.  (Optional) If using 3rd party IR receivers at either the transmitter or 

receiver, run the wire and terminate per the 

IR RX (Receiver) Wiring

 

section.

Receiver Installation

1.  Connect the 

HDMI Out

 on the receiver to an input on the display 

using an HDMI cable from a high quality brand such as 

WyreStorm 

Express.

2.  Using the cable created in 

Pre Wire

 step 1, connect the 8-pin RJ-45 

female plug to the 

HDBT In

 jack.

3.  (Optional) Place an IR emitter onto the display device near the 

device’s IR sensor and connect it the

 IR TX

 port.

4.  (Optional) If using RS-232 pass-through, connect the 3-pin 

connector to the 

RS-232

 port on the receiver and the opposite end 

to a port on the device being controlled.

5.  (Optional) If using ARC using the display devices digital audio 

output, connect a TOSLINK cable from the display device to the  

S/PDIF In

 on the receiver.

6.  If using ARC via HDMI or the audio inputs and outputs, see 

Audio 

Return Input Settings

 for switch configuration.

Copyright © 2016 WyreStorm Technologies | 

wyrestorm.com

RX-70-4K-ARC v2 Quickstart Guide | 161006

North America: 518-289-1294 | EMEA/ROW: 44 (0) 1793 230 343 

[email protected]

1 of 4

 WyreStorm recommends reading through this document in its entirety to become familiar with the product’s features prior to starting the installation 

process.

Receives UHD and HDR content from up to 70m/230ft (1080p to 100m/328ft) using Class A HDBaseT technology. Additional features include 2-way 
PoH, bidirectional Ethernet, IR & RS-232 pass-through, and Audio Return Channel (ARC). 

Note:

The following information applies to version 2 of this product as identified by v2 after the model number on the product label. 

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