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AdderLink XD522

Quick Start Guide

AdderLink XD522 
Transmitter

AdderLink XD522 
Receiver

Main CATx link carries:
Video 
Keyboard/mouse True USB Emulation 
Audio 
RS232 Serial

Optional CATx link carries:
Hi-Speed USB only 

IMPORTANT: Please see the full AdderLink 

XD522 user guide for safety, warranty and 

regulatory information. The full user guide is 

available from 

www.adder.com

.  

© 2013 Adder Technology Limited • All trademarks are acknowledged. 

Part No. MAN-XD5x2-QS-ADDER • Release 1.0a 

 

Web:  

www.adder.com

Contact:  

www.adder.com/contact-details

Support: forum.adder.com

Front panel 

indicators

The six front panel indicators on each unit provide a useful guide to 

operation:

• 

A

  

On  

Main A link is connected.  

 

Flashes  

Main A link is not connected. 

 

Off  

No power is present.

• 

B

  

On  

Optional B link is connected.  

 

Off  

Optional B link is not connected.

• 

V1

  On 

 

Video port 1 is connected and receiving video.  

 

Flashes  

Video port 1 is connected but not receiving video. 

 

Off  

Video port 1 is not connected.

• 

V2

  On 

 

Video port 2 is connected and receiving video.  

 

Flashes  

Video port 2 is connected but not receiving video. 

 

Off  

Video port 2 is not connected.

• 

HR

  On 

 

High Rate mode is active. 

 

Fla

she

HR mode is preferred but cannot be established, LR mode active. 

 

Off  

Low Rate mode is active.

• 

PS

  

On 

Power connected. 

 

Flashes 

Upgrade error (other indicators show error code). 

 

Off 

No power.

Tips for achieving good quality links

Due to the large volumes of data that must be transferred between 

the transmitter and receiver, every AdderLink XD522 installation 

is highly dependent upon good quality CATx cable links. Video 

performance is particularly reliant on high speed communication 

channels. For this reason, the AdderLink XD522 units periodically 

test the link quality to determine which of two video transfer modes 

can be supported: Low Rate or High Rate. Please see page 3 for 

details about high and low rate video modes.

The main factors that affect link quality are:

• 

The length and type of CATx cable used,

• 

The number, length and type of intermediate patch connections,

• 

The quality of the cable terminations.

The table below provides a brief overview of distances that may be 

achieved using different CATx cable types. Please see the full user 

guide for more details. 

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